Murata Manufacturing Co., Ltd.

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[Owner] Murata Manufacturing Co., Ltd. 10,915
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IPC Class
H03H 9/25 - Constructional features of resonators using surface acoustic waves 772
H03H 9/145 - Driving means, e.g. electrodes, coils for networks using surface acoustic waves 699
H05K 3/46 - Manufacturing multi-layer circuits 626
H03H 9/64 - Filters using surface acoustic waves 545
H01F 17/00 - Fixed inductances of the signal type 473
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1.

OPTICAL DEVICE AND IMAGING UNIT PROVIDED WITH OPTICAL DEVICE

      
Application Number JP2023023278
Publication Number 2024/084743
Status In Force
Filing Date 2023-06-23
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Kishi, Noritaka
  • Sakaguchi, Hitoshi

Abstract

The present disclosure provides an optical device in which foreign substances adhering to the surface of a light-transmitting body can be sufficiently removed without complicating the configuration, and an imaging unit provided with the optical device. An optical device (10) is provided with an outermost layer lens (1) (light-transmitting body), a housing (2), a vibrating body (3), a piezoelectric element (5), and a drive circuit (6). The drive circuit (6) causes a voltage (Vp-p_1) of a drive signal that drives the piezoelectric element (5) in an atomization mode (first vibration mode) among a plurality of vibration modes that vibrate the outermost layer lens (1), and a voltage (Vp-p_(underbar)2) of a drive signal that drives the piezoelectric element (5) in a heating mode (second vibration mode), to be the same. The drive circuit (6) drives the piezoelectric element (5) such that an effective voltage (Veff_1) applied to the piezoelectric element (5) within a predetermined period of the atomization mode, and an effective voltage (Veff_2) applied to the piezoelectric element (5) within a predetermined period of the heating mode, are different.

IPC Classes  ?

  • G03B 17/02 - Bodies
  • B06B 1/06 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
  • G03B 11/00 - Filters or other obturators specially adapted for photographic purposes
  • G03B 17/55 - APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR - Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
  • G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
  • H04N 23/52 - Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
  • H04N 23/57 - Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

2.

ELASTIC WAVE DEVICE

      
Application Number JP2023037479
Publication Number 2024/085127
Status In Force
Filing Date 2023-10-17
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Daimon, Katsuya
  • Nagatomo, Sho

Abstract

The present invention provides an elastic wave device that makes it possible to reduce the size of a filter device and to improve power handling properties. An elastic wave device 10 according to the present invention comprises a first elastic wave resonator 10A and a second elastic wave resonator 10B. The first elastic wave resonator 10A and the second elastic wave resonator 10B each comprise: a piezoelectric film which includes a piezoelectric layer 14 that comprises lithium niobate; a first comb-shaped electrode (first, fourth comb-shaped electrodes) which is provided on the piezoelectric layer 14, which is connected to an input potential, and which has a first bus bar (first, fourth bus bars 22, 32) and a plurality of first electrode fingers (plurality of first, fourth electrode fingers 25, 35) that are respectively connected to one end of the first bus bar; a second comb-shaped electrode (second, fifth comb-shaped electrodes) which is provided on the piezoelectric layer 14, which is connected to an output potential, and which has a second bus bar (second, fifth bus bars 23, 33) and a plurality of second electrode fingers (plurality of second, fifth electrode fingers 26, 36) that are respectively connected to one end of the second bus bar and that are interpolated in the plurality of first electrode fingers (plurality of first, fourth electrode fingers 25, 35); and a third electrode which is connected to a reference potential and which has a plurality of third electrode fingers (plurality of third, sixth electrode fingers 27, 37) that are respectively provided on the piezoelectric layer 14 so as to be side by side with the first electrode fingers and the second electrode fingers along the direction in which the first electrode fingers and the second electrode fingers are arranged in a plan view, and a connection electrode (third, sixth bus bars 24, 34) that connects adjacent third electrode fingers to each other. In each of the first elastic wave resonator 10A and the second elastic wave resonator 10B, the order in which the first electrode fingers, the second electrode fingers, and the third electrode fingers are arranged in a plan view is such that, starting from a first electrode finger, one cycle is constituted by a first electrode finger, a third electrode finger, a second electrode finger, and a third electrode finger. The first elastic wave resonator 10A and the second elastic wave resonator 10B are each a divided resonator in which one elastic wave resonator is divided in series.

IPC Classes  ?

  • H03H 9/145 - Driving means, e.g. electrodes, coils for networks using surface acoustic waves

3.

DETECTION CIRCUIT

      
Application Number JP2023037583
Publication Number 2024/085154
Status In Force
Filing Date 2023-10-17
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Imai, Shohei

Abstract

This detection circuit includes: a comparison unit to which a signal outputted from an output terminal of a predetermined amplifier, and a reference voltage are inputted, and which outputs, from an output terminal, a first output signal corresponding to a difference between the signal level of the signal outputted from the predetermined amplifier and the reference voltage; a direct current removal unit which has one terminal electrically connected to the output terminal of the comparison unit, and outputs, from the other terminal, a signal obtained by removing a direct-current component of the first output signal; and a detection unit which has an input terminal electrically connected to the other terminal of the direct current removal unit, and outputs, from an output terminal, a control signal corresponding to the signal level of the signal outputted from the predetermined amplifier.

IPC Classes  ?

  • H03F 1/02 - Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
  • H03F 3/20 - Power amplifiers, e.g. Class B amplifiers, Class C amplifiers

4.

OPTICAL DEVICE AND IMAGING UNIT PROVIDED WITH OPTICAL DEVICE

      
Application Number JP2023019271
Publication Number 2024/084728
Status In Force
Filing Date 2023-05-24
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Sakaguchi, Hitoshi
  • Ishii, Yuuki
  • Kishi, Noritaka

Abstract

The present disclosure provides an optical device with which it is possible to achieve size reduction and reduce manufacturing costs, and an imaging unit provided with the optical device. An optical device (10) comprises: an outermost layer lens (1) (light-transmitting body) that transmits light of a predetermined wavelength; a housing (2) that holds the outermost layer lens (1); a vibrating body (3) that is in contact with the outermost layer lens (1) held by the housing (2); and a piezoelectric element (5) that is provided on the vibrating body (3) and vibrates the vibrating body (3). The vibrating body (3) is a cylindrical body, and is shaped to have a plurality of groove portions (30) in a support portion (33) (third part) connecting a connecting portion (31) (first part) that is in contact with the outermost layer lens (1) and a vibrating portion (32) (second part) on which the piezoelectric element (5) is provided.

IPC Classes  ?

  • G03B 17/02 - Bodies
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
  • H04N 23/52 - Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
  • H04N 23/57 - Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

5.

SECONDARY BATTERY ELECTROLYTE AND SECONDARY BATTERY

      
Application Number JP2023032775
Publication Number 2024/084857
Status In Force
Filing Date 2023-09-08
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Yoshimura Kentaro

Abstract

A secondary battery according to the present invention comprises a positive electrode, a negative electrode, and an electrolyte that contains a thiazole compound. The thiazole compound contains at least a compound represented by formula (1) and/or a compound represented by formula (2).

IPC Classes  ?

  • H01M 10/0567 - Liquid materials characterised by the additives
  • H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
  • H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
  • H01M 10/052 - Li-accumulators

6.

BATTERY

      
Application Number JP2023037445
Publication Number 2024/085121
Status In Force
Filing Date 2023-10-16
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Gotou, Kenta
  • Tanaka, Masatomo
  • Morizawa, Kazuhiko
  • Osaka, Tetsuya

Abstract

The present invention makes it possible to prevent short-circuiting between a positive electrode and a negative electrode when a separator has been damaged by an external force. The battery comprises an electrode assembly having a positive electrode, a negative electrode, and a film separator. The electrode assembly has a flat shape. When the shortest direction of the electrode assembly is defined as a first direction, the separator has a thickness in at least the first direction, and is provided between the positive electrode and the negative electrode in at least the first direction. When, in a plan view taken in the first direction, a direction in which the distance of mutually opposing edges of the separator becomes the shortest is defined as a second direction, and a direction perpendicular to the first direction and the second direction is defined as a third direction, the angle formed, in a plan view taken in the first direction, between the second direction and a direction in which the tensile strength of the separator becomes the minimum is larger than the angle formed between the third direction and the direction in which the tensile strength of the separator becomes the minimum. In a plan view taken in the first direction, the ratio of the length of the separator in the third direction to the length of the separator in the second direction is 2.0 or more.

IPC Classes  ?

  • H01M 50/46 - Separators, membranes or diaphragms characterised by their combination with electrodes
  • H01M 10/04 - Construction or manufacture in general
  • H01M 10/052 - Li-accumulators
  • H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
  • H01M 10/0587 - Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
  • H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
  • H01M 50/494 - Tensile strength

7.

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM

      
Application Number JP2023037437
Publication Number 2024/085118
Status In Force
Filing Date 2023-10-16
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Nakamura, Kenji

Abstract

This information processing device classifies a pattern of the biological activity of an animal. The information processing device comprises a calculation circuit which receives a biological signal that is a detection result of the biological activity of an animal detected by a sensor unit including a sensor having a plurality of detection channels or a plurality of sensors. The calculation circuit detects a quasi-periodic signal from the detection result, expands and contracts the quasi-periodic signal in a time direction, generates an elastic signal of which the period is a prescribed value, decomposes the elastic signal into a plurality of frequency components, acquires time-series phase information about the plurality of frequency components, and classifies the pattern of the biological activity on the basis of the time-series phase information.

IPC Classes  ?

  • A61B 5/11 - Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
  • A01K 29/00 - Other apparatus for animal husbandry

8.

SECONDARY BATTERY

      
Application Number JP2023021493
Publication Number 2024/084734
Status In Force
Filing Date 2023-06-09
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Yoshimura Kentaro

Abstract

A secondary battery according to the present invention comprises: a positive electrode; a negative electrode that contains a negative electrode active material; and an electrolyte that contains a thiazole compound. The negative electrode active material includes a core part that occludes and releases an electrode reactant, and a covering part that covers the surface of the core part. The covering part contains at least one of nickel, iron, and copper as a constituent element. The thiazole compound includes a compound represented by formula (1), a compound represented by formula (2), a compound represented by formula (3), and/or a compound represented by formula (4).

IPC Classes  ?

  • H01M 10/052 - Li-accumulators
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
  • H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
  • H01M 10/0567 - Liquid materials characterised by the additives

9.

SWITCHING POWER SOURCE DEVICE EQUIPPED WITH COMPOSITE POWER INDUCTOR

      
Application Number JP2023036141
Publication Number 2024/084966
Status In Force
Filing Date 2023-10-04
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Koya Shigeki
  • Hosotani Tatsuya

Abstract

Provided is a switching power source device (80) equipped with a composite power inductor (10), the switching power source device comprising: a linear inductor conductor (31); a linear inductor conductor (32); an inductor conductor (33); and one magnetic body (20) that forms a magnetic path of a magnetic flux generated by a current flowing to the inductor conductor (31), the inductor conductor (32), and the inductor conductor (33). One end of the inductor conductor (31) is connected to a first input terminal, and the other end is connected to one end of the inductor conductor (33). One end of the inductor conductor (32) is connected to a second input terminal, and the other end is connected to one end of the inductor conductor (33). The inductor conductor (31), the inductor conductor (32), and the inductor conductor (33) are sandwiched by or contained in the magnetic body (20). The inductor conductor (31) and the inductor conductor (32) are arranged in parallel so that the magnetic fluxes generated by the current flowing to each conductor are cancelled out at an inner leg section (10ZI) of the magnetic body (20) between the inductor conductor (31) and the inductor conductor (32), and the magnetic fluxes generated by the current flowing to each conductor are intensified at outer leg sections (10ZO1, 10ZO2) of the magnetic body (20) on the outside of the inductor conductor (31) and the inductor conductor (32). The inductor conductor (33) is arranged so that a plane created by the magnetic flux generated by the current flowing to the inductor conductor (33) is orthogonal to the planes created by the magnetic fluxes generated by the current flowing to the inductor conductor (31) and the inductor conductor (32). The inductor conductor (31) and the inductor conductor (32) are inductors that constitute a power conversion circuit, and the inductor conductor (33) is an inductor that constitutes a low-pass filter with respect to an output current of the power conversion circuit.

IPC Classes  ?

  • H02M 3/155 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
  • H01F 17/04 - Fixed inductances of the signal type with magnetic core
  • H01F 27/00 - MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES - Details of transformers or inductances, in general
  • H01G 4/40 - Structural combinations of fixed capacitors with other electric elements not covered by this subclass, the structure mainly consisting of a capacitor, e.g. RC combinations

10.

WIRELESS POWER SUPPLY SYSTEM AND POWER TRANSMISSION DEVICE FOR WIRELESS POWER SUPPLY SYSTEM

      
Application Number JP2023036142
Publication Number 2024/084967
Status In Force
Filing Date 2023-10-04
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Sakamoto Norikazu
  • Hosotani Tatsuya

Abstract

A wireless power supply system (10) comprises a power reception device (90) and a power transmission device (20). The wireless power supply system (10) forms an electromagnetic resonance field between the power transmission device (20) and the power reception device (90) to perform wireless power supply and uses the electromagnetic resonance field to perform signal transmission by a resonance modulation. The power transmission device (20) comprises: a power transmission coil (30) that performs wireless power transmission by forming the electromagnetic resonance field; a power transmission circuit (40) having a power transmission resonance circuit (43); a resonance demodulation circuit that achieves a resonance demodulation corresponding to the resonance modulation; a current detection circuit (60) that detects the input current to the power transmission circuit; and a current adjustment circuit (70) that adjusts the input current. The power transmission device (20) detects, by the current detection circuit (60), a state of being unable to detect a signal using the resonance modulation by a power reception circuit (92). The current detection circuit (60) changes the input current using the current adjustment circuit (70) when being in the state of being unable to detect the signal.

IPC Classes  ?

  • H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
  • H02J 50/80 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
  • H04B 1/59 - Responders; Transponders
  • H04B 5/48 - Transceivers

11.

ELASTIC WAVE DEVICE AND ELASTIC WAVE ELEMENT

      
Application Number JP2023037030
Publication Number 2024/085062
Status In Force
Filing Date 2023-10-12
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Takigawa, Kazuhiro

Abstract

Provided is an elastic wave device that can suppress an increase in return loss. An elastic wave device 1 comprises: a piezoelectric substrate 2; an IDT electrode 3 that includes a first bus bar 4 and a second bus bar 5 that are provided on the piezoelectric substrate 2 and are opposed to each other, and a plurality of first electrode fingers 6 and a plurality of second electrode fingers 7 that are interdigitated with each other; and a pair of reflectors 13A, 13B that are provided on the piezoelectric substrate 2 so as to oppose each other across the IDT electrode 3 in a second direction x orthogonal to a first direction y in which the plurality of first electrode fingers 6 and the plurality of second electrode fingers 7 extend. Each of the plurality of first electrode fingers 6 includes a first proximal end 6a connected to the first bus bar 4. Each of the plurality of second electrode fingers 7 includes a second proximal end 7a connected to the second bus bar 5. A pair of the regions of the IDT electrode 3 that are positioned outside in the first direction y of the first proximal end 6a and the second proximal end 7a are a pair of outer regions (first and second outer regions Ba, Bb). Extensions of the pair of outer regions in the second direction x are a pair of extension outer regions (first and second extension outer regions Oa, Ob). The reflectors each include a pair of reflector bus bars (first and second reflector bus bars 14, 15) opposing each other, and a plurality of reflector electrode fingers 16 electrically connected to the pair of reflector bus bars. The reflector bus bars are provided in portions of the reflectors positioned in the extension outer regions, and include a plurality of reflector-connecting electrodes 15c that are connected to the plurality of reflector electrode fingers 16 directly or indirectly. The regions of the reflectors in which the plurality of reflector-connecting electrodes 15c are positioned and that extend in the second direction x are connection electrode-forming regions C. When twice the center-to-center distance in the second direction x between adjacent reflector electrode fingers 16 is a one-period dimension, and the percentage of the dimension of a portion, over a virtual line E of the one-period dimension extending in the second direction x, in which the piezoelectric substrate 2 is covered by the metal of which the reflectors are composed is a metallization ratio, the connection electrode-forming region C of at least one reflector bus bar of at least one of the reflectors includes a portion having different metallization ratios in at least one of the first direction y and the second direction x.

IPC Classes  ?

  • H03H 9/145 - Driving means, e.g. electrodes, coils for networks using surface acoustic waves

12.

SUPPLY MODULATION TRANSMITTER WITH SWITCH NETWORK

      
Application Number US2023063820
Publication Number 2024/086385
Status In Force
Filing Date 2023-03-07
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD (Japan)
Inventor
  • Perreault, David, J.
  • Tkachenko, Yevgeniy, A.

Abstract

A power supply modulator circuit includes a multi-output power supply that generates multiple power output signals; at least one power modulator circuit generates a modulated power output signal from the multiple power output signals of the multi-output power supply; at least one pulse shaping network (PSN) having at least one passive element, the PSN configured to shape the modulated power output signal; at least one power amplifier coupled to receive the modulated power signal; and a switching network having a plurality of switches to create or modify power signal paths from the at least one power modulator circuit to the at least one power amplifier.

IPC Classes  ?

  • H04L 25/03 - Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
  • H03F 3/24 - Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
  • H03F 3/189 - High-frequency amplifiers, e.g. radio frequency amplifiers
  • H03G 3/20 - Automatic control
  • H04B 1/04 - Circuits

13.

SECONDARY BATTERY ELECTROLYTE AND SECONDARY BATTERY

      
Application Number JP2023032776
Publication Number 2024/084858
Status In Force
Filing Date 2023-09-08
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Yoshimura Kentaro

Abstract

A secondary battery according to the present invention comprises a positive electrode, a negative electrode, and an electrolyte that contains a benzothiazoline compound represented by formula (1).

IPC Classes  ?

  • H01M 10/0567 - Liquid materials characterised by the additives
  • H01G 11/30 - Electrodes characterised by their material
  • H01G 11/64 - Liquid electrolytes characterised by additives
  • H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
  • H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
  • H01M 10/052 - Li-accumulators

14.

MULTILAYERED SUBSTRATE

      
Application Number JP2023029138
Publication Number 2024/084786
Status In Force
Filing Date 2023-08-09
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Nishio Kosuke

Abstract

As viewed in a Z-axis negative direction, a ground conductor layer non-formation region in which one or more first ground conductor layers are not provided is present in a radiation conductor layer region in which a radiation conductor layer is provided. As viewed in the Z-axis negative direction, a signal conductor layer has an overlap section overlapping with the ground conductor layer non-formation region. Aside from the radiation conductor layer, no conductor that covers the entire ground conductor layer non-formation region is present on the Z-axis positive side of the signal conductor layer in the ground conductor layer non-formation region. A first branch conductor layer and a second branch conductor layer are provided to a layered body, and are electrically connected to the signal conductor layer. As viewed in the Z-axis negative direction, there is an imaginary line that passes through the overlap section, and with regard to which the first branch conductor layer and the second branch conductor layer demonstrate line symmetry.

IPC Classes  ?

  • H01P 5/08 - Coupling devices of the waveguide type for linking lines or devices of different kinds
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines

15.

SENSOR MODULE AND COMPUTATION CIRCUIT

      
Application Number JP2023036041
Publication Number 2024/084956
Status In Force
Filing Date 2023-10-03
Publication Date 2024-04-25
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Watanabe Mei
  • Tachibana Yuki
  • Kihara Takashi
  • Kitada Hiroaki

Abstract

This sensor module comprises a sensor that outputs a signal corresponding to deformation of an elastic member, and a computation circuit that receives the signal from the sensor. The computation circuit measures the length of time of a target period in which the signal strength is outside a range defined by threshold values, calculates a signal gradient on the basis of the length of at least one portion of the target period and the amount of variation in the signal in the at least one portion of the target period, and computes a stress value representing the stress applied to the elastic member on the basis of the gradient and the length of time of the target period.

IPC Classes  ?

  • G01L 1/16 - Measuring force or stress, in general using properties of piezoelectric devices
  • G06F 3/041 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means

16.

HIGH FREQUENCY CIRCUIT

      
Application Number JP2023027630
Publication Number 2024/079964
Status In Force
Filing Date 2023-07-27
Publication Date 2024-04-18
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Mori, Hirotsugu
  • Takeuchi, Morio

Abstract

A high frequency circuit (1) comprises: a filter (31) including a transit bandwidth having a downlink bandwidth of a band (A) and a downlink bandwidth of a band (B); a filter (32) including a transit bandwidth having a downlink bandwidth of the band (A) and a downlink bandwidth of a band (C); and a switch (51) including a terminal (511) connected to an antenna connection terminal, a terminal (512) connected to the filter (31), and a terminal (513) connected to the filter (32). The downlink bandwidth of the band (A), the downlink bandwidth of the band (B), and the downlink bandwidth of the band (C) at least partially overlap one another. A combination of the bands (A and B) and a combination of the bands (A and C) are included in a band combination capable of simultaneous communication defined in advance.

IPC Classes  ?

  • H04B 1/40 - Circuits
  • H04B 1/00 - TRANSMISSION - Details of transmission systems not characterised by the medium used for transmission

17.

SENSOR MODULE

      
Application Number JP2023034685
Publication Number 2024/080116
Status In Force
Filing Date 2023-09-25
Publication Date 2024-04-18
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Mori Kenichi
  • Ono Makoto

Abstract

This sensor module comprises: an elastic member including a resin; a first sensor provided in contact with the elastic member and including an upper electrode, a piezoelectric film, and a lower electrode; and a switch. The first sensor outputs a first signal corresponding to deformation of the elastic member. The switch has a function of causing a short circuit between the upper electrode and the lower electrode. The lower electrode is a signal electrode.

IPC Classes  ?

  • G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge

18.

AMPLIFICATION CIRCUIT AND COMMUNICATION APPARATUS

      
Application Number JP2023034727
Publication Number 2024/080122
Status In Force
Filing Date 2023-09-25
Publication Date 2024-04-18
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Tahara, Kenji
  • Yamamoto, Kae

Abstract

An amplification circuit (1) comprises: a power source voltage terminal (130) that receives a power source voltage V1; a power source voltage terminal (140) that receives a power source voltage V2 having a different voltage level than that of the power source voltage V1; digital control terminals (160 and 170) that receive a digital control signal based on an envelope signal; a power amplifier (12) connected to the power source voltage terminal (130); a power amplifier (22) connected to the power source voltage terminal (140); a synthesis circuit (40) connected to the power amplifiers (12 and 22); a bias circuit (50) that supplies a bias current; and a switch circuit that is connected to the digital control terminals (160 and 170), switches the bias circuit (50) and the power amplifier (12) between connected and not connected, and switches the bias circuit (50) and the power amplifier (22) between connected and not connected. Each of the power amplifiers (12 and 22) include a plurality of amplification transistors that are cascode-connected.

IPC Classes  ?

  • H03F 3/68 - Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
  • H03F 1/02 - Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
  • H03F 1/22 - Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
  • H03F 3/21 - Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
  • H04B 1/04 - Circuits

19.

ABNORMALITY DETECTION DEVICE

      
Application Number JP2023036186
Publication Number 2024/080199
Status In Force
Filing Date 2023-10-04
Publication Date 2024-04-18
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Narita, Tetsuya

Abstract

A first detection circuit (11) and a second detection circuit (12) output a first signal when a corresponding abnormal state is detected. A first register (21) and a second register (22) store data that correspond to the first signal inputted from the corresponding detection circuit from among the first detection circuit (11) and the second detection circuit (12), and output a second signal. A first selection circuit (31) and a second selection circuit (32) select whether to output a third signal in response to the second signal inputted from the corresponding register from among the first register (21) and the second register (22). An exclusive OR circuit (41) outputs a fourth signal in response to the third signal inputted from the first selection circuit (31) and the second selection circuit (32). A single output terminal outputs, as an abnormality detection signal, the fourth signal outputted from the exclusive OR circuit (41).

IPC Classes  ?

  • G01R 31/28 - Testing of electronic circuits, e.g. by signal tracer
  • G01R 31/00 - Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

20.

ELECTRONIC DEVICE

      
Application Number JP2023036686
Publication Number 2024/080270
Status In Force
Filing Date 2023-10-10
Publication Date 2024-04-18
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Naito, Akihito
  • Himeda, Koshi

Abstract

An electronic device 1 comprises: a wiring board 10 having a first main surface 11 and a second main surface 12 that oppose each other in the thickness direction; a first electronic component 20 mounted on the first main surface 11 of the wiring board 10; a second electronic component 30 mounted on the second main surface 12 of the wiring board 10; a first heat diffusion plate 40 thermally connected to the first electronic component 20; a second heat diffusion plate 50 thermally connected to the second electronic component 30; and a heat conductor 60 that is provided so as to penetrate the wiring board 10 in the thickness direction, and that is thermally connected to the first heat diffusion plate 40 and the second heat diffusion plate 50.

IPC Classes  ?

  • H05K 1/02 - Printed circuits - Details
  • H01L 23/12 - Mountings, e.g. non-detachable insulating substrates
  • H01L 23/36 - Selection of materials, or shaping, to facilitate cooling or heating, e.g. heat sinks
  • H01L 23/427 - Cooling by change of state, e.g. use of heat pipes

21.

CAPACITOR

      
Application Number JP2023028668
Publication Number 2024/079968
Status In Force
Filing Date 2023-08-07
Publication Date 2024-04-18
Owner
  • MURATA MANUFACTURING CO., LTD. (Japan)
  • SHIZUKI ELECTRIC CO., INC. (Japan)
Inventor
  • Hagiya, Kenji
  • Uchida, Tomohisa

Abstract

A capacitor 1A comprises: a capacitor element 10 having an element body 11 and an external electrode 12a (12b) provided on an end surface of the element body 11; a drawing-out terminal 20A (21A) electrically connected to the external electrode 12a (12b); an outer case 30 having accommodated therein the capacitor element 10 such that the drawing-out terminal 20A (21A) is projecting outward; and a filling resin 40 that fills inside the outer case 30 so as to embed the capacitor element 10. The drawing-out terminal 20A (21A) has a first drawing-out terminal 20Aa (21Aa) and a second drawing-out terminal 20Ab (21Ab) that is electrically connected to the external electrode 12a (12b) via the first drawing-out terminal 20Aa (21Aa). The first drawing-out terminal 20Aa (21Aa) and the second drawing-out terminal 20Ab (21Ab) are locked so as to be in surface contact with each other.

IPC Classes  ?

22.

ELECTRONIC COMPONENT AND FILM FORMING METHOD

      
Application Number JP2023027615
Publication Number 2024/079963
Status In Force
Filing Date 2023-07-27
Publication Date 2024-04-18
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Ooshima Tomoya
  • Tokieda Kojiro
  • Hoshino Yuuta
  • Yamada Koichi
  • Sasaki Miki

Abstract

The present invention has an element body 20, an external electrode covering a portion of an outer surface (21) of the element body (20), and a protective film (30) of aluminum oxide. The protective film (30) is positioned between the element body (20) and the external electrode. The thickness of the protective film (30) in a direction perpendicular to the outer surface (21) of the element body (20) is defined as the film thickness (TP). The protective film (30) is viewed in a cross-section orthogonal to the outer surface (21) of the element body (20) at a location covered by the external electrode. When the average value and standard deviation of the film thickness (TP) are calculated in a range of 1 μm in a direction along the outer surface (21) of the element body (20), the ratio of the standard deviation to the average value is 0.4 or greater.

IPC Classes  ?

  • H01C 7/04 - Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
  • H01C 7/02 - Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
  • H01F 27/29 - Terminals; Tapping arrangements
  • H01F 27/32 - Insulating of coils, windings, or parts thereof
  • H01G 4/30 - Stacked capacitors

23.

CAPACITOR, CAPACITOR BANK, AND OUTER CASE FOR CAPACITOR

      
Application Number JP2023031701
Publication Number 2024/080021
Status In Force
Filing Date 2023-08-31
Publication Date 2024-04-18
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Oka, Shoji

Abstract

A capacitor 1A comprises: a capacitor element 10 having an element body 11 and an external electrode 12a (12b) provided on an end surface of the element body 11; a drawn-out terminal 20a (20b) that is electrically connected to the external electrode 12a (12b); an outer case 30A having accommodated therein the capacitor element 10 such that the drawn-out terminal 20a (20b) is projecting outward; and a filling resin 40 that fills inside the outer case 30A so as to embed the capacitor element 10. Outer surfaces of the outer case 30A include a mounting surface 34 that faces a mounting object in a first direction D1 when the drawn-out terminal 20a (20b) has been electrically connected to the mounting object. The outer case 30A has a hook-shaped part 35Aa (35Ab, 35Ac) extending from the mounting surface 34.

IPC Classes  ?

24.

ANTENNA MODULE

      
Application Number JP2023032710
Publication Number 2024/080043
Status In Force
Filing Date 2023-09-07
Publication Date 2024-04-18
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Ichikawa Keiichi
  • Nishio Kosuke

Abstract

A second positive main surface is in contact with a first negative main surface. One or more first ground conductor layers are positioned toward the positive side of the Z-axis from a signal conductor layer. The one or more first ground conductor layers are not positioned on the second positive main surface. When viewed in the negative direction of the Z-axis, a ground conductor layer non-formation region in which the one or more first ground conductor layers are not provided is present in a first substrate region in which a first substrate is provided. When viewed in the negative direction of the Z-axis, the signal conductor layer overlaps with the ground conductor layer non-formation region. In the ground conductor layer non-formation region, there is no conductor that covers the entire ground conductor layer non-formation region on the positive side of the Z-axis from the signal conductor layer other than a radiating conductor layer.

IPC Classes  ?

  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines

25.

FILTER DEVICE

      
Application Number JP2023036224
Publication Number 2024/080205
Status In Force
Filing Date 2023-10-04
Publication Date 2024-04-18
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Yamazaki, Sunao
  • Hayashi, Yasunobu
  • Taniguchi, Yasumasa

Abstract

A filter device 10 comprises: a first piezoelectric substrate 2A having a first main surface 2a and a second main surface 2b opposing each other; at least one first acoustic wave resonator 13A that includes an IDT electrode provided on the first main surface 2a of the first piezoelectric substrate 2A, the first acoustic wave resonator 13A being a series-arm resonator or a parallel-arm resonator; a support body 8A that is provided on the first main surface 2a of the first piezoelectric substrate 2A and is provided so as to surround the first acoustic wave resonator 13A; a second piezoelectric substrate 2B that is provided on the support body 8A and includes a third main surface 2c positioned on the first piezoelectric substrate 2A side and a fourth main surface 2d opposing the third main surface 2c; and at least one second acoustic wave resonator 13B that includes an IDT electrode provided on the third main surface 2c of the second piezoelectric substrate 2B, the second acoustic wave resonator 13B having at least one series-arm resonator. The electromechanical coupling coefficient Ksaw of the second piezoelectric substrate 2B is less than the electromechanical coupling coefficient Ksaw of the first piezoelectric substrate 2A. The at least one second acoustic wave resonator 13B includes a series-arm resonator that has the lowest anti-resonance frequency among all the series-arm resonators configured on the first piezoelectric substrate 2A and the second piezoelectric substrate 2B.

IPC Classes  ?

  • H03H 9/25 - Constructional features of resonators using surface acoustic waves
  • H03H 9/64 - Filters using surface acoustic waves

26.

RFID MODULE

      
Application Number JP2023037062
Publication Number 2024/080331
Status In Force
Filing Date 2023-10-12
Publication Date 2024-04-18
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Ueki, Noriyuki

Abstract

This RFID module comprises: a substrate having a first main surface and a second main surface opposite each other; an RFIC chip disposed on the first main surface side of the substrate; and a coil element on which a conductive wire is wound a plurality of times. One end of the RFIC chip is electrically connected to one end of the coil element. The other end of the RFIC chip is electrically connected to the other end of the coil element. The coil element has at least one sparsely wound portion. Both ends of the coil element are first densely wound portions in which the inter-conductive wire pitch is narrower than in the sparsely wound portion.

IPC Classes  ?

  • H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
  • G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier

27.

CAPACITOR

      
Application Number JP2023028667
Publication Number 2024/079967
Status In Force
Filing Date 2023-08-07
Publication Date 2024-04-18
Owner
  • MURATA MANUFACTURING CO., LTD. (Japan)
  • SHIZUKI ELECTRIC CO., INC. (Japan)
Inventor
  • Hagiya, Kenji
  • Uchida, Tomohisa

Abstract

A capacitor 1 comprises: a capacitor element 10 including an element body 11 and an external electrode 12a (12b) provided on an end surface of the element body 11; a lead-out terminal 20a (20b) electrically connected to the external electrode 12a (12b); a metal case 30 inside of which the capacitor element 10 is accommodated so that the lead-out terminal 20a (20b) protrudes toward the exterior; an insulating member 40 that is accommodated in the interior of the metal case 30 and positions the capacitor element 10 so that the lead-out terminal 20a (20b) and the metal case 30 are not in contact; and a filler resin 50 with which the interior of the metal case 30 is filled so as to embed the capacitor element 10. A protrusion 35 protruding toward the capacitor element 10 is provided to the inner surface of the metal case 30 at a position at which the insulating member 40 is not present, and the shortest distance between the capacitor element 10 and the protrusion 35 is smaller than the shortest distance between the lead-out terminal 20a (20b) and the metal case 30.

IPC Classes  ?

28.

COMPOSITE FIBER

      
Application Number IB2022059449
Publication Number 2024/074867
Status In Force
Filing Date 2022-10-04
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Tanaka, Kou
  • Tateishi, Takashi

Abstract

Provided is a composite fiber comprising first fiber formation member formed of a material having a volume resistivity of 5×10-6to 5×106 Ωm or a material of a semiconductor or a semimetal and a second fiber formation member containing a ceramic, the first fiber formation member and the second fiber formation member being next to each other to form a fiber body.

IPC Classes  ?

  • D01F 8/18 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the like; Manufacture thereof from other substances
  • C04B 35/76 - Fibres, filaments, whiskers, platelets, or the like

29.

ANTENNA MODULE AND COMMUNICATION DEVICE HAVING SAME MOUNTED THERETO

      
Application Number JP2023019276
Publication Number 2024/075334
Status In Force
Filing Date 2023-05-24
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Oiwa, Naotaka
  • Onaka, Kengo

Abstract

This antenna module (100) comprises: a first substrate (131) having a first surface and a second surface that face each other; a second substrate (132) having a third surface and a fourth surface that face each other, and disposed so that the third surface and the second surface of the first substrate (131) face each other; radiating elements (141A-141D) provided to the first surface side on the first substrate (131); a first ground electrode (GND1) provided to the first substrate (131) and facing the radiating elements (141A-141D) in the normal direction of the first substrate (131); a power inductor (180) provided further to the second substrate (132) side than the first ground electrode (GND1) when viewing a plan view of the first substrate (131) from the normal direction; and electronic components (110, 170) provided to the fourth surface side of the second substrate (132) and connected to the power inductor (180), wherein the power inductor (180) has magnetic body cores (181) and windings (182) that are wound around the magnetic body cores (181) over the first substrate (131) and the second substrate (132), and recessed sections (1310, 1320) in which the magnetic body cores (181) are disposed are provided to at least one among the second surface side of the first substrate (131) and the third surface side of the second substrate (132).

IPC Classes  ?

  • H01Q 23/00 - Antennas with active circuits or circuit elements integrated within them or attached to them

30.

MULTILAYER CERAMIC ELECTRONIC COMPONENT

      
Application Number JP2023029511
Publication Number 2024/075402
Status In Force
Filing Date 2023-08-15
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Mikata Naoki
  • Yasuda Tatsunori

Abstract

The present invention provides a multilayer ceramic electronic component (1) which enables the achievement of a multilayer ceramic capacitor wherein the adhesion between a multilayer body (2) and a base electrode layer (21) is able to be improved without increasing the ESR within an external electrode (20). With respect to this multilayer ceramic electronic component (1), a plurality of ceramic layers (4) stacked upon each other are mainly composed of Ca and Zr; a first external electrode (20a) and a second external electrode (20b) respectively comprise a first base electrode layer (21a) and a second base electrode layer (21b), and a plating layer that is formed so as to partially cover the first base electrode layer (21a) and the second base electrode layer (21b); the first base electrode layer (21a) and the second base electrode layer (21b) are mainly composed of Cu; the multilayer body (2) is provided, on an edge (7) in the stacking direction (T), with a first compound region (8a) that is stretched on a first end face (62a) and a second compound region (8b) that is stretched on a second end face (62b); the first compound region (8a) is bonded to the first base electrode layer (21a); the second compound region (8b) is bonded to the second base electrode layer (21b); and the first compound region (8a) and the second compound region (8b) are not bonded to each other.

IPC Classes  ?

31.

LAMINATED CERAMIC CAPACITOR

      
Application Number JP2023030833
Publication Number 2024/075428
Status In Force
Filing Date 2023-08-27
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Nishimura, Ryo

Abstract

Provided is a laminated ceramic capacitor whereby cracking or the like is less likely to occur in a ceramic body. Provided is a laminated ceramic capacitor comprising: a ceramic body, in which a plurality of ceramic layers, a plurality of first internal electrodes, and a plurality of second internal electrodes are laminated in the height direction, and which has a first principal surface and a second principal surface that face one another in the height direction, a first end surface and a second end surface that face one another in the length direction orthogonal to the height direction, and a first side surface and a second side surface that face one another in the width direction orthogonal to the height direction and to the length direction; and a first external electrode and a second external electrode that are formed on an outer surface of the ceramic body. The first internal electrodes are drawn out to the first end surface and electrically connected with the first external electrode; and the second internal electrodes are drawn out to the second end surface and electrically connected with the second external electrode. When a cross-section parallel to the first side surface and the second side surface is viewed, the first external electrode is formed in an L-shape on the first end surface and the first principal surface, and the second external electrode is formed in an L-shape on the second end surface and the first principal surface; and an R-dimension of a ridge line where the first principal surface and the first end surface, the first side surface, the second end surface, and the second side surface are in contact is greater than an R-dimension of a ridge line where the second principal surface and the first end surface, the first side surface, the second end surface, and the second side surface are in contact.

IPC Classes  ?

32.

SEMICONDUCTOR MODULE AND PRODUCTION METHOD FOR SEMICONDUCTOR MODULE

      
Application Number JP2023035139
Publication Number 2024/075606
Status In Force
Filing Date 2023-09-27
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Fujihara Akira

Abstract

In the present invention, a mounting board has a mounting surface. A semiconductor apparatus has: a device layer on which an electronic circuit including a semiconductor element is formed; an insulation layer which is positioned on one surface of the device layer; and a plurality of bumps which are positioned on the other surface of the device layer. The semiconductor apparatus is mounted on the mounting board such that the surface of the device layer on which the plurality of bumps are positioned faces the mounting surface. A resin layer is positioned on the surface of the insulation layer on the reverse side from the side toward the device layer. A molded material is disposed on a region of the mounting surface on the outside of the semiconductor apparatus in plan view. The dielectric loss tangent of the resin layer is less than the dielectric loss tangent of the molded material.

IPC Classes  ?

  • H01L 23/31 - Encapsulation, e.g. encapsulating layers, coatings characterised by the arrangement
  • H01L 23/08 - Containers; Seals characterised by the material of the container or its electrical properties the material being an electrical insulator, e.g. glass
  • H01L 23/29 - Encapsulation, e.g. encapsulating layers, coatings characterised by the material

33.

COIL COMPONENT AND FILTER CIRCUIT

      
Application Number JP2023035370
Publication Number 2024/075624
Status In Force
Filing Date 2023-09-28
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Toujo, Atsushi

Abstract

Provided are: a coil component in which two wires are wrapped in opposite directions, the coil component having a structure that is easy to produce; and a filter circuit in which said coil component is mounted. The coil component (1) according to the present disclosure comprises: a bobbin (2) that includes a body section (2a) around which wires are wound, and a first collar section (2b) and second collar section (2c) provided at both ends of the body section (2a); and a first wire (4) and second wire (5) wound around the body section (2a). The bobbin (2) includes a plurality of mounting terminals (6a-6d) and a plurality of connection terminals (8a-8d). On surfaces of the coil component (1) having depressions (7a, 7b) respectively provided in one surface of the first collar section (2b) and one surface of the second collar section (2c), the first connection terminal (8a) is located at a position diagonal from the second connection terminal (8b), and the third connection terminal (8c) is located at a position diagonal from the fourth connection terminal (8d).

IPC Classes  ?

  • H01F 27/00 - MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES - Details of transformers or inductances, in general
  • H01F 27/28 - Coils; Windings; Conductive connections
  • H01F 27/29 - Terminals; Tapping arrangements

34.

THERMAL DIFFUSION DEVICE AND ELECTRONIC APPARATUS

      
Application Number JP2023035415
Publication Number 2024/075631
Status In Force
Filing Date 2023-09-28
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Numoto, Tatsuhiro
  • Fukuda, Hiroshi

Abstract

A vapor chamber 1 according to an embodiment of a thermal diffusion device comprises: a housing 10 which has a first inner surface 11a and a second inner surface 12a which face each other in a thickness direction Z and is provided with an inner space; a working medium 20 sealed in the inner space of the housing 10; a wick 30 disposed in the inner space of the housing 10; and a first supporter (for example, column 40) disposed, in the inner space of the housing 10, between the wick 30 and the inner surface of either of the first inner surface 11a or the second inner surface 12a of the housing 10. The wick 30 has a through-hole 60 passing therethrough in the thickness direction Z. The wick 30 located in a region overlapping the first supporter in a plan view of the first inner surface 11a has at least one through-hole 60 present therein, and is provided with a first protruding section 61a which is closer to the first supporter in the thickness direction Z than the peripheral edge of the through-hole 60 located in the region.

IPC Classes  ?

  • F28D 15/04 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes with tubes having a capillary structure
  • F28D 15/02 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes
  • H01L 23/427 - Cooling by change of state, e.g. use of heat pipes
  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

35.

ACCURATE REDUCED GATE-DRIVE CURRENT LIMITER

      
Application Number US2023075790
Publication Number 2024/076958
Status In Force
Filing Date 2023-10-03
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Vangara, Satish Kumar
  • Routledge, Antony Christopher
  • Szczeszynski, Gregory
  • Sun, Xiaowu

Abstract

GATEGATEGATEGATEGATE to be directly set.

IPC Classes  ?

  • H02M 3/07 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode
  • H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
  • H02M 1/44 - Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
  • H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
  • H02M 1/32 - Means for protecting converters other than by automatic disconnection
  • H03K 17/08 - Modifications for protecting switching circuit against overcurrent or overvoltage

36.

CHIP-TYPE ELECTRONIC COMPONENT

      
Application Number JP2023029583
Publication Number 2024/075404
Status In Force
Filing Date 2023-08-16
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Yasuda Tatsunori
  • Kurokawa Kazuki
  • Oono Akira

Abstract

Provided is a chip-type electronic component that is less likely to cause separation of a spacer and a mounting substrate. A chip-type electronic component 1 of the present invention comprises a multilayered ceramic capacitor 1A and spacers 10. The multilayered ceramic capacitor 1A comprises: a stack 2 that includes internal electrode layers 5 and dielectric layers 4 that are alternately disposed; and external electrodes 3. When the two surfaces of the stack 2 opposing each other in the multilayered direction are capacitor main surfaces A, the two surfaces thereof opposing each other in the width direction are capacitor side surfaces B, and the two surfaces thereof opposing each other in the length direction are capacitor end surfaces C, the external electrodes 3 are respectively provided on the capacitor end surfaces C. The spacers 10 are disposed on both sides in the length direction of the capacitor main surface A on the mounting substrate side of the multilayered ceramic capacitor 1A. When the two surfaces opposing each other in the multilayered direction of each of the spacers 10 are spacer main surfaces AS, a recess 11 is formed in the surface of the spacer main surface AS on the mounting substrate side.

IPC Classes  ?

  • H01G 4/30 - Stacked capacitors
  • H01C 7/02 - Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
  • H01C 7/04 - Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
  • H01C 7/10 - Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
  • H01F 17/00 - Fixed inductances of the signal type
  • H01G 4/228 - Terminals

37.

MULTILAYER CERAMIC CAPACITOR

      
Application Number JP2023030832
Publication Number 2024/075427
Status In Force
Filing Date 2023-08-27
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Nishimura, Ryo

Abstract

The present invention provides a multilayer ceramic capacitor which is not susceptible to the occurrence of a crack or the like in a ceramic element. This multilayer ceramic capacitor is provided with: a ceramic element which is obtained by stacking a plurality of ceramic layers, a plurality of first internal electrodes and a plurality of second internal electrodes in the height direction, and which has a first main surface and a second main surface opposite to each other in the height direction, a first end face and a second end face opposite to each other in the length direction that is perpendicular to the height direction, and a first lateral surface and a second lateral surface opposite to each other in the width direction that is perpendicular to the height direction and the length direction; and a first external electrode and a second external electrode, which are formed on the outer surface of the ceramic element. The first internal electrodes are led out in the first end face, and are electrically connected to the first external electrode; while the second internal electrodes are led out in the second end face, and are electrically connected to the second external electrode. If a cross-section that is parallel to the first lateral surface and the second lateral surface is examined, the first external electrode is formed in an L-shape on the first end face and the first main surface; the second external electrode is formed in an L-shape on the second end face and the first main surface; and the second main surface is provided with a plurality of embossed pores.

IPC Classes  ?

38.

FILTER DEVICE

      
Application Number JP2023033945
Publication Number 2024/075517
Status In Force
Filing Date 2023-09-19
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Yamazaki, Sunao
  • Shimizu, Yasuhiro

Abstract

Provided is a filter device that can suppress an increase in insertion loss. This filter device comprises: a first piezoelectric substrate 2A that has a first main surface 2a and a second main surface 2b opposed to each other; one or more first elastic wave resonators 13A that each include a function electrode provided on the first main surface 2a of the first piezoelectric substrate 2A and that are series-arm resonators or parallel-arm resonators; a supporter 8A that is provided on the first main surface 2a of the first piezoelectric substrate 2A and that surrounds the first elastic wave resonators 13A; a second piezoelectric substrate 2B that is provided on the supporter 8A and that has a third main surface 2c positioned on the first piezoelectric substrate 2A side and a fourth main surface 2d opposed to the third main surface 2c; one or more second elastic wave resonators 13B each of which includes a function electrode provided on the third main surface 2c of the second piezoelectric substrate 2B and at least one of which is a parallel-arm resonator; and an external connection terminal 11 that is provided in the second piezoelectric substrate 2B. A space surrounded by the first piezoelectric substrate 2A, the second piezoelectric substrate 2B, and the supporter 8A is configured. The first elastic wave resonators 13A and the second elastic wave resonators 13B are positioned in the space. The one or more second elastic wave resonators 13B include a parallel-arm resonator having the highest resonance frequency among all of the parallel-arm resonators configured on the first piezoelectric substrate 2A and the second piezoelectric substrate 2B.

IPC Classes  ?

  • H03H 9/64 - Filters using surface acoustic waves
  • H03H 9/25 - Constructional features of resonators using surface acoustic waves
  • H03H 9/72 - Networks using surface acoustic waves

39.

RFID MODULE

      
Application Number JP2023036075
Publication Number 2024/075735
Status In Force
Filing Date 2023-10-03
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Ueki, Noriyuki

Abstract

This RFID module comprises: a first substrate having a first main surface and a second main surface that face each other; an RFIC chip disposed on the first main surface-side of the first substrate; a first radiation element disposed on the first main surface-side of the first substrate such that at least a part of the radiation element is set apart from the first main surface; and a second radiation element disposed on the second main surface-side of the first substrate. The second radiation element has a first end and a second end that face each other in the longitudinal direction of the first substrate. The first end is electrically connected to one terminal of the RFIC chip. The first radiation element has a third end and a fourth end that face each other in the longitudinal direction of the first substrate. The third end is electrically connected to the other terminal of the RFIC chip. The second end of the second radiation element and the fourth end of the first radiation element are electrically connected to each other. The second radiation element has a first opening.

IPC Classes  ?

  • H01L 25/04 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers
  • H01L 25/18 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices the devices being of types provided for in two or more different subgroups of the same main group of groups , or in a single subclass of ,
  • G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
  • H01L 23/12 - Mountings, e.g. non-detachable insulating substrates
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
  • H05K 1/14 - Structural association of two or more printed circuits

40.

BLOWER DEVICE

      
Application Number JP2023036110
Publication Number 2024/075747
Status In Force
Filing Date 2023-10-03
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Maeda Hiroki
  • Inaba Keisuke

Abstract

A blower device (10) comprises: a housing (20) that has an air inlet (281) and an air outlet (291); an air filter (40) that is disposed at a position where the air filter (40) overlaps with the air inlet (281) of the housing (20) when the air inlet (281) is viewed from the front; and a filter cover (30) that holds the air filter (40) and that is disposed at a position where the filter cover (30) overlaps with the air filter (40) when the air inlet (281) is viewed from the front. The filter cover (30) includes a plurality of posts (321-323) that are spaced apart from each other. The posts (321-323) include projections (321P, 323P) that project toward the air filter (40). The filter cover (30) is fixed to the housing (20) in a state in which the projections (321P, 323P) are in contact with the air filter (40) and portions of the plurality of posts (321-323) other than the projections (321P, 323P) are apart from the air filter (40).

IPC Classes  ?

  • A61M 16/00 - Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
  • F04D 29/70 - Suction grids; Strainers; Dust separation; Cleaning
  • B01D 46/10 - Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces

41.

PULSE-SHAPING NETWORKS WITH COUPLED MAGNETICS

      
Application Number US2023075689
Publication Number 2024/076898
Status In Force
Filing Date 2023-10-02
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD (Japan)
Inventor
  • Hoversten, John, R.
  • Tkachenko, Yevgeniy, A.

Abstract

A pulse-shaping network configured for use in a radio frequency (rf) power amplifier system, the pulse-shaping network comprising: a coupled magnetic element comprising a first inductive element magnetically coupled to a second inductive element, the first inductive element comprising a first winding disposed about a first portion of a core, and the second inductive element comprising a second winding disposed about a second portion of a core, wherein the first and second inductive elements are electrically coupled to provide three output terminals of the coupled magnetic element.

IPC Classes  ?

  • H03K 5/01 - Shaping pulses
  • H01F 27/28 - Coils; Windings; Conductive connections
  • H02M 1/14 - Arrangements for reducing ripples from dc input or output
  • H03K 3/02 - Generators characterised by the type of circuit or by the means used for producing pulses

42.

REDUCED GATE DRIVE FOR POWER CONVERTER WITH DYNAMICALLY SWITCHING RATIO

      
Application Number US2023075821
Publication Number 2024/076980
Status In Force
Filing Date 2023-10-03
Publication Date 2024-04-11
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Routledge, Antony, Christopher
  • Vangara, Satish Kumar

Abstract

Circuits and methods for selectable conversion ratio power converters that include low-dropout (EDO) power supplies adapted to select voltage inputs based on the selected conversion ratio while achieving high efficiency. The EDO power supplies limit current through power FETs of power converters, thereby mitigating or eliminating potentially damaging events. In some embodiments, first and second full gate-drive LDOs have "wired-OR" outputs which may power a target circuit such as a pre-driver (and optionally, a level-shifter) coupled to the gate of a power FET. In some embodiments, first and second reduced gate-drive LDOs have "wired-OR" outputs that may power a final driver coupled to the gate of a power FET. Some embodiments have dual full gate-drive LDOs that power a target circuit such as a pre-driver (and optionally, a level-shifter), while dual reduced gate-drive LDOs that power a final driver coupled to the gate of the power FET.

IPC Classes  ?

  • H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
  • H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
  • H02M 3/157 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with digital control

43.

VIBRATION DEVICE

      
Application Number JP2023021009
Publication Number 2024/070063
Status In Force
Filing Date 2023-06-06
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Tanaka, Yuka
  • Ishii, Yuuki
  • Yago, Shigehisa

Abstract

This vibration device comprises: a vibration body; a piezoelectric element that is located at one end in a first direction of the vibration body; a light-transmitting body that is located at the other end in the first direction of the vibration body; a retaining part that, with the other end of the vibration body, sandwiches the light-transmitting body therebetween in the first direction; a first member that is located between the light-transmitting body and the retaining part and connected to the light-transmitting body and the retaining part; and a second member that is located between the light-transmitting body and the vibration body and connected to the light-transmitting body and the vibration body. The thickness of the first member is greater than or equal to the thickness of the second member.

IPC Classes  ?

  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
  • G03B 17/08 - Waterproof bodies or housings
  • H04N 23/50 - Constructional details

44.

POSITIVE ELECTRODE FOR SECONDARY BATTERIES, AND SECONDARY BATTERY

      
Application Number JP2023021491
Publication Number 2024/070065
Status In Force
Filing Date 2023-06-09
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Kanbe Shogo

Abstract

This secondary battery is provided with: a positive electrode that contains a positive electrode active material and a plurality of fibrous substances; a negative electrode; and an electrolyte solution. The positive electrode active material contains a sulfur-containing material; and the plurality of fibrous substances are intertwined with each other, thereby forming a three-dimensional network structure. The fibrous substances each comprise a carbon fiber part and a plurality of carbon covering parts that cover the surface of the carbon fiber part and hold the positive electrode active material. The plurality of carbon covering parts are separated from each other in the extending direction of the carbon fiber part; and the carbon fiber part has a plurality of exposed parts that are not covered by the plurality of carbon covering parts. The carbon covering parts each have a first end and a second end which is positioned on the opposite side of the first end in the extending direction of the carbon fiber part. The degree of flexibility of the fibrous substances expressed by formula (1) is 8.6 to 19.2. (1): F = (L2/L1) × T (In the formula, F denotes the degree of flexibility; L1 represents the length (µm) of the carbon fiber part in the extending direction of the carbon fiber part; L2 represents the sum (µm) of the respective lengths of the plurality of exposed parts in the extending direction of the carbon fiber part; and T represents the sum (number) of the respective numbers of the first ends and the second ends.)

IPC Classes  ?

  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 4/134 - Electrodes based on metals, Si or alloys
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/80 - Porous plates, e.g. sintered carriers
  • H01M 10/052 - Li-accumulators
  • H01M 10/0566 - Liquid materials

45.

PROTUSION-AND-RECESS STRUCTURE AND METHOD FOR MANUFACTURING PROTRUSION-AND-RECESS STRUCTURE

      
Application Number JP2023021724
Publication Number 2024/070066
Status In Force
Filing Date 2023-06-12
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Katagi, Sei

Abstract

Provided is a protrusion-and-recess structure that has sufficiently high drug resistance and is unlikely to break. A protrusion-and-recess structure (1) according to the present invention is composed of a film-like frame part (20) in which a plurality of droplet-shaped recessed sections (10) are formed on one main surface (1a), wherein the frame part (20) is a porous ceramic sintered body having a porosity of 45% or less, and the average value of the maximum depths (D) of the recessed sections (20) in the thickness direction of the frame section (20) is 0.01 times to less than 1.0 times the thickness (T) of the frame section.

IPC Classes  ?

  • C04B 38/00 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof

46.

FILM CAPACITOR AND MODULE

      
Application Number JP2023021733
Publication Number 2024/070067
Status In Force
Filing Date 2023-06-12
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Jogan, Satoru

Abstract

Provided is a film capacitor in which a laminate film covering a capacitor element is hardly damaged even when being sandwiched by means of pressure force. A film capacitor (1) according to the present invention includes: a capacitor element (10) including an element body (11) having end surfaces (11e) located on both ends in the longitudinal direction (L) and lateral surfaces (11s) connecting the end surfaces (11e) to each other, and external electrodes (12) provided on the end surfaces (11e) of the element body (11); a laminate film (20) covering the capacitor element (10); and an intermediate member (30) disposed at at least a portion between the capacitor element (10) and the laminate film (20).

IPC Classes  ?

47.

PLATING APPARATUS

      
Application Number JP2023028659
Publication Number 2024/070234
Status In Force
Filing Date 2023-08-05
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Shimada, Tomokazu

Abstract

Provided is a plating apparatus that suppresses the occurrence of defects in a plated object without the plated object rising excessively to a high position in a plating solution in which the plated object is contained, even if the flow rate of the plating solution sprayed from a spraying unit is increased. The plating apparatus according to the present invention comprises: a plating tank that stores the plating solution and contains the plated object; and the spraying unit, which includes a first spraying port that is formed in the plating tank and sprays the plating solution, the plated object in the plating solution being agitated by the plating solution sprayed from the spraying unit. A mesh member is provided to the first spraying port of the spraying unit. The mesh member is formed by overlapping at least two meshes, and, when viewed in a planar direction, the mesh member includes a center portion and a peripheral portion provided to the outside of the center portion. The peripheral portion is formed using a layer of one mesh or a layer of a plurality of meshes. The center portion is formed in a layer of a plurality of meshes, and the number of layers of the mesh in the center portion is greater than the number of layers of the mesh in the peripheral portion.

IPC Classes  ?

  • C25D 17/28 - Apparatus for electrolytic coating of small objects in bulk with means for moving the objects individually through the apparatus during the treatment
  • C25D 21/10 - Agitating of electrolytes; Moving of racks

48.

PLATING APPARATUS

      
Application Number JP2023028660
Publication Number 2024/070235
Status In Force
Filing Date 2023-08-05
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Shimada, Tomokazu

Abstract

Provided is a plating apparatus with which the time required for plating is improved and unevenness in the thickness of the obtained plating film is minimized. This plating apparatus comprises a plating tank storing a plating liquid, a cylindrical metal tube having a hollow part, a cylindrical mesh tube having a hollow part, and a second electrode, wherein: the metal tube is a first electrode; the mesh tube is produced from an insulating material; the metal tube, the mesh tube, and the second electrode are housed in the plating tank; the metal tube is disposed inside the hollow part of the mesh tube; a plating forming part is formed between the inner side of the mesh tube and the outer side of the metal tube; the second electrode is disposed on the outer side of the mesh tube; an upward flow lifting the plating liquid is generated inside the hollow part of the metal tube; and an object to be plated is lifted inside the hollow part of the metal tube by the upward flow of the plating liquid, is discharged to the outside of the metal tube, is stirred, then falls inside the plating forming part, and is plated through application of a current between the metal tube, i.e. the first electrode, and the second electrode during the descent of the object. There is an auxiliary electrode inside the plating part, the auxiliary electrode being electrically connected to the metal tube, i.e. the first electrode.

IPC Classes  ?

  • C25D 17/28 - Apparatus for electrolytic coating of small objects in bulk with means for moving the objects individually through the apparatus during the treatment
  • C25D 17/10 - Electrodes

49.

PLATING APPARATUS

      
Application Number JP2023028661
Publication Number 2024/070236
Status In Force
Filing Date 2023-08-05
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Shimada, Tomokazu

Abstract

Provided is a plating apparatus with which, even when the flow amount of a plating solution sprayed from a spray unit is increased, there is no excessive rising of a material subject to plating to a high position within retained plating solution, and defects in the material subject to plating are inhibited from occurring. This plating apparatus comprises a plating bath that retains a plating solution containing a material subject to plating, and a spray unit that is formed on the plating bath and that sprays the plating solution, the material subject to plating contained in the plating solution being stirred by the plating solution sprayed from the spray unit. The spray unit has an inner cylindrical shape having a bottom surface that expands in the horizontal direction, an inner wall that extends in the height direction from the bottom surface, and an opening formed at the upper end of the inner wall. The opening is a first spray port through which the plating solution is sprayed into the plating bath. A mesh member is provided to the first spray port. A second spray port through which the plating solution is sprayed into the spray unit is provided to the bottom surface. A flow rate control plate in which a plurality of holes are formed is provided, parallel to the bottom surface, at a location partway along the height direction of the spray unit. When viewed in a planar direction, the flow rate control plate has a center part and a periphery part provided to the outer side of the center part. The respective opening areas of the holes formed in the center part is less than the respective opening areas of the holes formed in the periphery part. A cylindrical member having a hollow part is provided between the flow rate control plate and the mesh member of the first spray port.

IPC Classes  ?

  • C25D 17/28 - Apparatus for electrolytic coating of small objects in bulk with means for moving the objects individually through the apparatus during the treatment
  • C25D 21/10 - Agitating of electrolytes; Moving of racks

50.

SOLID-STATE BATTERY

      
Application Number JP2023029432
Publication Number 2024/070286
Status In Force
Filing Date 2023-08-14
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Takano, Ryohei

Abstract

The present invention provides a solid-state battery having an exterior part that contains oxide ceramics demonstrating even more satisfactory reactivity resistance to solid electrolytes and can be formed so as to demonstrate even more satisfactory moisture resistance, compared to the state of the art. The present invention pertains to a solid-state battery having an exterior part 2 including oxide ceramics containing one or more kinds of elements (M) selected from the group consisting of group 4 and group 5 elements, Li (lithium), and Mg (magnesium).

IPC Classes  ?

  • H01M 10/052 - Li-accumulators
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 6/18 - Cells with non-aqueous electrolyte with solid electrolyte
  • H01M 10/0562 - Solid materials
  • H01M 50/117 - Inorganic material

51.

MULTILAYER CERAMIC CAPACITOR

      
Application Number JP2023030103
Publication Number 2024/070337
Status In Force
Filing Date 2023-08-22
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Uratani Kosuke

Abstract

The present invention provides a multilayer ceramic capacitor (1) in which the occurrence of dielectric breakdown is further suppressed. The multilayer ceramic capacitor (1) comprises: a laminate (2) including a plurality of dielectric layers (4) and a plurality of internal electrode layers (10) stacked on one another; and external electrodes (20) provided on a first end surface (62a) and a second end surface (62b). The internal electrode layers (10) comprise first internal electrode layers (10a) and second internal electrode layers (10b), the first internal electrode layers (10a) being led to the first end surface (62a), and the second internal electrode layers (10b) being led to the second end surface (62b). The external electrodes (20) include a first external electrode (20a) connected to the first internal electrode layers (10a) and a second external electrode (20b) connected to the second internal electrode layers (10b). A region that is disposed on the first end surface (62a) side and in which the first internal electrode layers (10a) do not overlap each other in the stacking direction (T), and a region that is disposed on the second end surface (62b) side and in which the second internal electrode layers (10b) do not overlap each other in the stacking direction (T) are defined as L gap regions (51). The L gap regions (51) comprise Si segregation layers (14).

IPC Classes  ?

52.

VEHICULAR AIR CONDITIONING DEVICE

      
Application Number JP2023030498
Publication Number 2024/070359
Status In Force
Filing Date 2023-08-24
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Kodera Shunsuke
  • Kawahara Fumikiyo

Abstract

This vehicular air conditioning device (10) comprises: a compressor (31) that compresses a refrigerant; a condenser (32) that liquefies a refrigerant discharged from the compressor (31); expansion valves (41, 42) that decompress the liquefied refrigerant; evaporators (511, 521) that vaporize the decompressed refrigerant and absorb the heat; and a refrigerant circuit which circulates, to the compressor (31), the refrigerant discharged from the evaporators (511, 521), and in which oil is encapsulated together with the refrigerant. The vehicular air conditioning device (10) includes a control device (20) that controls the expansion valves (41, 42) and operation of the compressor (31), and oil sensors (71, 72, 73) provided to at least one among piping connecting the condenser (32) and the evaporators (511, 521), and piping connecting the condenser (32) and the evaporators (511, 521) in the refrigerant circuit. The control device (20) performs an oil return operation in accordance with an output of the oil sensors (71, 72, 73).

IPC Classes  ?

  • B60H 1/32 - Cooling devices
  • F25B 1/00 - Compression machines, plants or systems with non-reversible cycle

53.

SECONDARY BATTERY CHARACTERISTIC ACQUISITION SYSTEM AND SECONDARY BATTERY CHARACTERISTIC ACQUISITION METHOD

      
Application Number JP2023030499
Publication Number 2024/070360
Status In Force
Filing Date 2023-08-24
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Hattori Koji
  • Yanagihara Asuki
  • Kawahara Fumikiyo

Abstract

A battery characteristic acquisition system (10) comprises: a charging control unit (21), a measuring unit (22), a storage unit (33), and a characteristic curve creation unit (321). The charging control unit (21) charges a battery (90). The measuring unit (22) measures the OCV of the battery (90) before the start of charging and the charge capacity value charged from the start of charging to the completion of charging by full charging, and calculates the SOC at the start of charging by subtracting the measured charge capacity value from the full charge capacity of the secondary battery. The storage unit (33) stores the OCV and the SOC for a plurality of times. The characteristic curve creation unit (321) creates an SOC-OCV curve of the battery (90) by using the OCV and remaining capacity for a plurality of times.

IPC Classes  ?

  • H01M 10/44 - Methods for charging or discharging
  • G01R 31/382 - Arrangements for monitoring battery or accumulator variables, e.g. SoC
  • G01R 31/385 - Arrangements for measuring battery or accumulator variables
  • G01R 31/387 - Determining ampere-hour charge capacity or SoC
  • H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
  • H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
  • H02J 7/04 - Regulation of the charging current or voltage

54.

LOAD SENSOR AND METHOD FOR MANUFACTURING LOAD SENSOR

      
Application Number JP2023031038
Publication Number 2024/070393
Status In Force
Filing Date 2023-08-28
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Murozaki, Yuuichi

Abstract

This load sensor 1 for sensing a load in the thickness direction comprises: an upper casing 30 having an upper surface part 31 and a side surface part 32 extending in the thickness direction from the outer circumference of the upper surface part 31; a lower casing 20 having a lower surface part 21 that faces the upper surface part 31 in the thickness direction, the lower casing 20 having a property of being less elastically deformable than the upper casing 30; a piezoelectric vibrator 10 accommodated in a space between the upper casing 30 and the lower casing 20, the piezoelectric vibrator 10 having a piezoelectric substrate 13 provided between the upper surface part 31 and the lower surface part 21, and a pair of excitation electrodes provided on the mutually opposing main surfaces of the piezoelectric substrate 13. The pair of excitation electrodes extend in the thickness direction. One edge from among an edge 35 of the upper casing 30 and an edge 25 of the lower casing 20 is fixed by crimping to the other edge. The elastic deformation of the upper casing 30 due to the crimping causes the upper casing 30 to apply a preload to the piezoelectric vibrator 10 in the thickness direction.

IPC Classes  ?

  • G01L 1/16 - Measuring force or stress, in general using properties of piezoelectric devices

55.

SECONDARY BATTERY

      
Application Number JP2023031332
Publication Number 2024/070431
Status In Force
Filing Date 2023-08-29
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Okumura, Ryo

Abstract

The present invention relates to a secondary battery that includes a current collector and an electrode layer disposed on the current collector, wherein the electrode layer includes a water-insoluble polymer and a water-soluble polymer, the water-insoluble polymer has a relatively large distribution to the current collector side in the electrode layer, and the water-soluble polymer is distributed evenly in the thickness direction facing from the electrode layer to the current collector.

IPC Classes  ?

  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

56.

WIRING BOARD

      
Application Number JP2023032240
Publication Number 2024/070518
Status In Force
Filing Date 2023-09-04
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Tanaka, Yasuhiro

Abstract

This wiring board comprises a first base material having a first main surface, a second base material having a second main surface, a first wire disposed on the first main surface, and a second wire disposed on the second main surface. The first main surface and the second main surface are in contact with each other. The first base material and the second base material are in connection with each other. The first wire and the second wire are opposed to each other in the thickness direction of the first base material and are electrically connected to each other.

IPC Classes  ?

  • H05K 1/14 - Structural association of two or more printed circuits

57.

CAPACITOR ELEMENT

      
Application Number JP2023032358
Publication Number 2024/070529
Status In Force
Filing Date 2023-09-05
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Yoshino, Sachiko

Abstract

This capacitor element 1 comprises: a capacitor unit 10 that includes an anode plate 11 having a porous part 11B on at least one main surface of a core part 11A, a dielectric layer 13 provided on the surface of the porous part 11B, and a cathode layer 12 provided on the surface of the dielectric layer 13; and a sealing layer 30 that seals the capacitor unit 10, where inside the sealing layer 30, an insulation layer 40 having a lower Young's modulus than the sealing layer 30 is provided at a position not in contact with the cathode layer 12.

IPC Classes  ?

  • H01G 9/08 - Housing; Encapsulation
  • H01G 2/10 - Housing; Encapsulation
  • H01G 9/10 - Sealing, e.g. of lead-in wires
  • H01G 9/15 - Solid electrolytic capacitors
  • H05K 1/16 - Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
  • H05K 3/46 - Manufacturing multi-layer circuits

58.

STRETCHABLE DEVICE

      
Application Number JP2023032850
Publication Number 2024/070592
Status In Force
Filing Date 2023-09-08
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Nakamura, Yui
  • Asukai, Toshifumi

Abstract

This stretchable device comprises: a stretchable first base material; first wiring provided on a first primary surface of the first base material; a second base material which faces the first base material in a first direction which is the thickness direction of the first base material and is connected to the first base material; second wiring which is provided on a first primary surface of the second base material and faces the first wiring in the first direction; and a first protective layer which is continuously provided on the first primary surface of the first base material and a second primary surface of the second base material so as to cover at least a portion of the first wiring and a portion of the second base material, wherein the first wiring and the second wiring are electrically connected in an overlap region where the wirings overlap each other when viewed in the first direction, and the first protective layer overlaps the entirety of the overlap region when viewed in the first direction.

IPC Classes  ?

  • H05K 1/14 - Structural association of two or more printed circuits
  • H01R 12/61 - Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures
  • H05K 3/36 - Assembling printed circuits with other printed circuits

59.

BONDED STRUCTURE, METHOD FOR PRODUCING SAME, CONDUCTIVE MEMBER FOR SOLDER BONDING, AND STRUCTURE FOR SOLDER BONDING

      
Application Number JP2023033022
Publication Number 2024/070628
Status In Force
Filing Date 2023-09-11
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Hioki, Yasunori
  • Sasaki, Kazuari
  • Nishihara, Mayuko

Abstract

A bonded structure which comprises a first conductive member, a second conductive member, and a solder bonding part for bonding the first conductive member and the second conductive member to each other, wherein at least one of the first conductive member and the second conductive member contains a metal and particles of a layered material that comprises one or more layers.

IPC Classes  ?

  • B23K 1/00 - Soldering, e.g. brazing, or unsoldering
  • B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 1/103 - Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agent
  • B22F 1/12 - Metallic powder containing non-metallic particles
  • B23K 1/19 - Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
  • B23K 1/20 - Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
  • C22C 1/10 - Alloys containing non-metals
  • H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
  • H05K 1/09 - Use of materials for the metallic pattern

60.

ANALYSIS METHOD AND ANALYSIS DEVICE

      
Application Number JP2023033319
Publication Number 2024/070682
Status In Force
Filing Date 2023-09-13
Publication Date 2024-04-04
Owner
  • MURATA MANUFACTURING CO., LTD. (Japan)
  • NIIGATA UNIVERSITY (Japan)
Inventor
  • Nakamoto Mitsunori
  • Endou Kouta
  • Yamaguchi Kikou
  • Katayama Shinichi
  • Okae Izaya
  • Umebayashi Yasuhiro

Abstract

This analysis method comprises: performing molecular dynamics calculations on an electrolyte to calculate the behavior over time of a series of atoms that make up constituent components of the electrolyte; calculating a first dielectric relaxation spectrum signal of the constituent components on the basis of the behavior of the series of atoms over time; calculating a second dielectric relaxation spectrum signal of the electrolyte on the basis of the first dielectric relaxation spectrum signal; and calculating physical property values specific to the constituent components on the basis of the first dielectric relaxation spectrum signal and the second dielectric relaxation spectrum signal.

IPC Classes  ?

  • G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more

61.

AMPLIFICATION CIRCUIT AND COMMUNICATION DEVICE

      
Application Number JP2023033567
Publication Number 2024/070736
Status In Force
Filing Date 2023-09-14
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Tahara, Kenji
  • Yamamoto, Kae

Abstract

An amplification circuit (1), which receives a plurality of discrete power supply voltages, comprises: a carrier amplifier (12); a peak amplifier (22); a synthesizing circuit (40) that synthesizes a high frequency signal output from the carrier amplifier (12) and a high frequency signal output from the peak amplifier (22); a bias circuit (50) that supplies a first bias current to the peak amplifier (22); digital control terminals (140 and 150) that receive digital control signals based on an envelope signal; and a switch (23) that is connected to the digital control terminals (140 and 150) to switch between connection and disconnection of the bias circuit (50) and the peak amplifier (22). Each of the carrier amplifier (12) and the peak amplifier (22) includes a plurality of cascode-connected amplification elements.

IPC Classes  ?

  • H03F 1/02 - Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
  • H03F 1/22 - Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
  • H03F 3/68 - Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics

62.

TRACKER MODULE AND COMMUNICATION DEVICE

      
Application Number JP2023033624
Publication Number 2024/070747
Status In Force
Filing Date 2023-09-14
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Kogure, Takeshi
  • Kato, Muneharu
  • Matsui, Toshiki

Abstract

This tracker module (7) comprises: a substrate (390) on which a switch included in a pre-regulator circuit (310) configured to convert input voltage to regulated voltage is disposed and a separate module substrate (90); a switched capacitor circuit (20) configured to generate a plurality of discrete voltages on the basis of the regulated voltage; and an output switch circuit (30) configured to selectively output at least one of the discrete voltages to an amplifier, where the switch and capacitor included in the switched capacitor circuit (20), as well as the switch included in the output switch circuit (30) are disposed on the module substrate (90).

IPC Classes  ?

  • H03F 1/02 - Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
  • H03F 3/24 - Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
  • H04B 1/04 - Circuits

63.

SECONDARY BATTERY AND BATTERY PACK

      
Application Number JP2023033950
Publication Number 2024/070820
Status In Force
Filing Date 2023-09-19
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Matsuzuka Aya

Abstract

A secondary battery with improved performance is provided. The secondary battery is provided with an electrode wound body, a first electrode current-collecting plate, a second electrode current-collecting plate, an electrolyte solution, and a battery can. The electrode wound body has a first end face and a second end face. The first electrode current-collecting plate is disposed to face the first end face. The second electrode current-collecting plate is disposed to face the second end face. The first electrode comprises: a first electrode coating portion in which the first electrode current collector is coated with a first electrode active material layer; and a first electrode exposed portion in which the first electrode current collector is not coated with the first electrode active material layer and is exposed, the first electrode exposed portion being bonded to the first electrode current-collecting plate and being located adjacent to the first electrode coating portion in a first direction. The number of bent portions of the first electrode current collector of the first electrode exposed portion in a central axis-side portion of the electrode wound body is greater than the number of bent portions of the first electrode current collector of the first electrode exposed portion in an outer peripheral-side portion of the electrode wound body.

IPC Classes  ?

  • H01M 10/0587 - Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
  • H01M 10/04 - Construction or manufacture in general
  • H01M 50/533 - Electrode connections inside a battery casing characterised by the shape of the leads or tabs

64.

SECONDARY BATTERY ELECTROLYTIC SOLUTION AND SECONDARY BATTERY

      
Application Number JP2023033951
Publication Number 2024/070821
Status In Force
Filing Date 2023-09-19
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Sakuma Tomomi
  • Yoshimura Kentaro
  • Shibuya Mashio

Abstract

This secondary battery comprises a positive electrode, a negative electrode, and an electrolytic solution. The electrolytic solution includes a phenylisothiocyanate compound represented by formula (1).

IPC Classes  ?

  • H01M 10/0567 - Liquid materials characterised by the additives

65.

SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME, AND BATTERY PACK

      
Application Number JP2023032222
Publication Number 2024/070516
Status In Force
Filing Date 2023-09-04
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Shinkawa Akira

Abstract

The present invention provides a secondary battery that has higher reliability. This secondary battery comprises an electrode winding body, a first electrode current collector plate, and a second electrode current collector plate. The electrode winding body has a laminate in which a first electrode and a second electrode are laminated with a separator interposed therebetween, said laminate being wound about a central axis that extends in a first direction, and having a first end surface and a second end surface that are on opposite sides from each other in the first direction. The first electrode current collector plate faces the first end surface of the electrode winding body and is connected to the first electrode. The second electrode current collector plate faces the second end surface of the electrode winding body and is connected to the second electrode. The first electrode has a first electrode covered portion in which a first electrode current collector is covered by a first electrode active material layer, and a first electrode exposed portion in which the first electrode current collector is exposed and not covered by the first electrode active material layer. A plurality of first edge portions among the first electrode exposed portion, said first edge portions being adjacent in the radial direction of the electrode winding body, are bent toward the central axis so as to overlap each other, thereby forming the first end surface, and each tip portion of the plurality of first edge portions includes a first curved surface.

IPC Classes  ?

  • H01M 50/533 - Electrode connections inside a battery casing characterised by the shape of the leads or tabs
  • H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
  • H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
  • H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/66 - Selection of materials
  • H01M 10/052 - Li-accumulators
  • H01M 10/0587 - Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
  • H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
  • H01M 50/536 - Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding

66.

CAPACITOR ELEMENT

      
Application Number JP2023032360
Publication Number 2024/070531
Status In Force
Filing Date 2023-09-05
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Yoshino, Sachiko

Abstract

A capacitor element 1 comprises: capacitor parts 10 each comprising an anode plate 11 including a porous part 11B disposed on at least one main surface of a core 11A, a dielectric layer 13 disposed on the surface of the porous part 11B, and a cathode layer 12 disposed on the surface of the dielectric layer 13; and an encapsulation layer 30 for encapsulating the capacitor parts 10. The encapsulation layer 30 has slits 40 formed in the surfaces thereof.

IPC Classes  ?

  • H01G 9/08 - Housing; Encapsulation
  • H01G 9/048 - Electrodes characterised by their structure
  • H01G 9/15 - Solid electrolytic capacitors
  • H05K 1/16 - Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
  • H05K 3/46 - Manufacturing multi-layer circuits

67.

STRETCHABLE DEVICE

      
Application Number JP2023032845
Publication Number 2024/070591
Status In Force
Filing Date 2023-09-08
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Nakamura, Yui
  • Asukai, Toshifumi

Abstract

This stretchable device comprises: a stretchable first base material; first wiring provided to a first main surface of the first base material; a second base material that faces the first base material in a first direction, which is the thickness direction of the first base material, the second base material being connected to the first base material; second wiring provided to a first main surface of the second base material, the second wiring facing the first wiring in the first direction and being electrically connected to the first wiring; and a first protection layer provided to the first main surface of the first base material so as to cover part of the first wiring. As seen from the first direction, a first overlap region where the first base material and the first protection layer overlap is set apart from a wiring region where the first wiring and the second wiring are electrically connected.

IPC Classes  ?

  • H05K 1/14 - Structural association of two or more printed circuits
  • H01R 12/61 - Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures
  • H05K 3/36 - Assembling printed circuits with other printed circuits

68.

CLOTH, AND TEXTILE PRODUCT

      
Application Number JP2023033571
Publication Number 2024/070739
Status In Force
Filing Date 2023-09-14
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Soeda, Tsuyoshi
  • Nakaue, Soichiro
  • Tsuji, Masayuki

Abstract

Provided are a cloth and a textile product that can more appropriately produce a surface potential compared to a cloth with a relatively low stretch ratio. A cloth according to the present disclosure is obtained by comprising a knit fabric that is knitted from a piezoelectric thread, said piezoelectric thread including a piezoelectric material and producing a surface potential due to an external force, and woven fabrics that are positioned on both sides of the knitted fabric, wherein the knit fabric is 50% or less compared to the woven fabrics that are positioned on both sides thereof.

IPC Classes  ?

  • D03D 15/533 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads electrically conductive
  • A41D 31/02 - Layered materials
  • A41D 31/30 - Antimicrobial, e.g. antibacterial
  • D01F 6/62 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
  • D03D 15/283 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
  • D03D 23/00 - General weaving methods not special to the production of any particular woven fabric or the use of any particular loom; Weaves not provided for in any other single group
  • D04B 1/16 - Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads

69.

TRACKER CIRCUIT, HIGH FREQUENCY COMMUNICATION SYSTEM, AND TRACKING METHOD

      
Application Number JP2023033623
Publication Number 2024/070746
Status In Force
Filing Date 2023-09-14
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Kogure, Takeshi
  • Kato, Muneharu
  • Matsui, Toshiki

Abstract

A tracker circuit (1A), which is connected to a pre-regulator circuit (11) configured to convert an input voltage to an adjusted voltage, comprises: a switched capacitor circuit (20) configured to generate a plurality of discrete voltages on the basis of the adjusted voltage; and an output switch circuit (31) configured to selectively output at least one of the plurality of discrete voltages to a power amplifier (2A). The pre-regulator circuit (11) is configured to output the adjusted voltage to the switched capacitor circuit (20) and to output the adjusted voltage to a power amplifier (2B) without intervention of the switched capacitor circuit (20).

IPC Classes  ?

  • H03F 1/02 - Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
  • H03F 3/24 - Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
  • H04B 1/04 - Circuits

70.

TRACKER CIRCUIT AND TRACKING METHOD

      
Application Number JP2023033626
Publication Number 2024/070748
Status In Force
Filing Date 2023-09-14
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Kogure, Takeshi
  • Kato, Muneharu
  • Matsui, Toshiki

Abstract

This tracker circuit (1A) comprises: a switched capacitor circuit (20) that is configured to generate a plurality of discrete voltages on the basis of a first input voltage; an output switch circuit (31) that is configured to selectively output at least one of the plurality of discrete voltages to an electric power amplifier (2A); a bypass path (BP1) that is configured to output the first input voltage to the electric power amplifier (2A) while bypassing the switched capacitor circuit (20) and the output switch circuit (31); and a switch (S66) that is configured to switch the bypass path (BP1) between being connected and disconnected.

IPC Classes  ?

  • H03F 1/02 - Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
  • H03F 3/24 - Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
  • H04B 1/04 - Circuits

71.

SECONDARY BATTERY POSITIVE ELECTRODE, SECONDARY BATTERY, AND BATTERY PACK

      
Application Number JP2023033949
Publication Number 2024/070819
Status In Force
Filing Date 2023-09-19
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Matsuzuka Aya

Abstract

Provided is a secondary battery that has better performance. This secondary battery positive electrode includes: a positive electrode coating part in which a positive electrode active material layer is coated on a positive electrode current collector; a positive electrode current collector exposed part that is adjacent to the positive electrode coating part in a first direction and in which the positive electrode current collector is exposed without being covered by the positive electrode active material layer; and an insulating film covering both a portion of the positive electrode coating part and a portion of the positive electrode current collector exposed part over a boundary between the positive electrode coating part and the positive electrode current collector exposed part. The positive electrode active material layer includes a thickness decreasing portion where the thickness decreases approaching the boundary in the first direction, and a section of the thickness decreasing portion is covered by the insulating film.

IPC Classes  ?

  • H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
  • H01M 4/02 - Electrodes composed of, or comprising, active material
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 10/052 - Li-accumulators
  • H01M 10/0587 - Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
  • H01M 50/586 - Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
  • H01M 50/591 - Covers

72.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERIES, POSITIVE ELECTRODE FOR SECONDARY BATTERIES, AND SECONDARY BATTERY

      
Application Number JP2023033952
Publication Number 2024/070822
Status In Force
Filing Date 2023-09-19
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Katou Yukihiro
  • Nagahara Akiko
  • Naren Gerile
  • Nakai Hideki

Abstract

3/23/23/23/23/2 spectrum.)

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • C01G 53/00 - Compounds of nickel
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids

73.

ELASTIC WAVE DEVICE

      
Application Number JP2023034325
Publication Number 2024/070893
Status In Force
Filing Date 2023-09-21
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Shimizu, Yasuhiro
  • Ito, Daisuke

Abstract

Provided is an elastic wave device capable of more reliably suppressing the transverse mode. The elastic wave device comprises a piezoelectric layer provided on an acoustic reflection film, and an IDT provided thereon. The elastic wave device further comprises a mass-addition film which is provided in an edge region continuously so as to overlap a plurality of electrode finger portions and a region between the electrode finger portions. The elastic wave device is characterized in that, when the value obtained by dividing the product of the density and thickness of a given layer by the density of Al and a wavelength λ and expressed in percentage is an Al-equivalent normalized thickness of the layer, the total of the Al-equivalent normalized thicknesses of electrode finger portion layers is the Al-equivalent normalized thickness TIDT [%] of the electrode finger portions, the Al-equivalent normalized thickness of a mass-addition film 9 is Tm [%], the value obtained by dividing the thickness ratio of the Al-equivalent normalized thickness Tm of the mass-addition film 9 to the Al-equivalent normalized thickness TIDT of the electrode finger portions by 3.15 is TR [%], the duty ratio of an IDT 27 is d, and the value obtained by dividing the dimension along the electrode finger portion extending direction of the mass-addition film 9 by the wavelength λ is the wavelength ratio width W, TR and W are in an ellipse or a rectangle as shown in Figs. 4 to 8.

IPC Classes  ?

  • H03H 9/145 - Driving means, e.g. electrodes, coils for networks using surface acoustic waves
  • H03H 9/25 - Constructional features of resonators using surface acoustic waves

74.

SENSOR AMPLIFICATION CIRCUIT, SENSOR SYSTEM, AND SENSOR AMPLIFICATION CIRCUIT CALIBRATION METHOD

      
Application Number JP2023034667
Publication Number 2024/071016
Status In Force
Filing Date 2023-09-25
Publication Date 2024-04-04
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Narita, Tetsuya

Abstract

This sensor amplification circuit (100), which is for amplifying an output signal from a magnetic sensor circuit (50), comprises: a first operational amplifier 111 which amplifies the output signal from a magnetic sensor circuit (50); and a correction circuit (150) which corrects a non-linear distortion included in the output signal, wherein the magnetic sensor circuit (50) outputs a first signal of the magnitude corresponding to a magnetic field of a first range in a first magnetic field area to which the magnetic field of a first range is applied, and outputs a second signal of the magnitude corresponding to a magnetic field of a second range in a second magnetic field area to which the magnetic field of a second range, which is greater than the magnetic field of a first range, is applied. The correction circuit (150) is configured to switch from a first state where the nonlinear distortion included in the output signal is not corrected to a second state for correcting the nonlinear distortion included in the output signal, and the correction circuit (150) is switched to the second state from the first state when the output signal from the magnetic sensor circuit (50) is changed to the second signal from the first signal.

IPC Classes  ?

  • G01R 33/02 - Measuring direction or magnitude of magnetic fields or magnetic flux
  • G01R 33/09 - Magneto-resistive devices
  • G01R 35/00 - Testing or calibrating of apparatus covered by the other groups of this subclass

75.

OPTICAL DEVICE AND IMAGING UNIT PROVIDED WITH OPTICAL DEVICE

      
Application Number JP2023015473
Publication Number 2024/062666
Status In Force
Filing Date 2023-04-18
Publication Date 2024-03-28
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Higashida, Rei
  • Sakaguchi, Hitoshi

Abstract

The present disclosure provides an optical device in which foreign substances adhering to the surface of a light-transmitting body can be sufficiently removed, and an imaging unit provided with the optical device. An optical device (10) is provided with an outermost layer lens (1) (light-transmitting body), a housing (2), a vibrating body (3), and a piezoelectric element (5). The outermost layer lens (1) transmits light of a predetermined wavelength. The housing (2) holds the outermost layer lens (1). The vibrating body (3) is a cylindrical body and is in contact with the outermost layer lens (1) at one end, and the piezoelectric element (5) is provided at the other end (32). The vibrating body (3), when in a heat generation mode among multiple vibration modes that vibrate the outermost layer lens (1), vibrates the outermost layer lens (1) at the natural vibration frequency of the outermost layer lens (1) and at a vibration acceleration rate in the range of 3.0×106m/s2to 3.0×108m/s2.

IPC Classes  ?

  • G03B 17/02 - Bodies
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
  • G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
  • H04N 23/52 - Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements

76.

MULTILAYER CERAMIC CAPACITOR

      
Application Number JP2023019376
Publication Number 2024/062684
Status In Force
Filing Date 2023-05-24
Publication Date 2024-03-28
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Muramatsu Satoshi

Abstract

The present invention provides a multilayer ceramic capacitor that can suppress a decrease in strength against external stress even when the thickness is reduced. A multilayer ceramic capacitor 1 comprises: a multilayer body 10 in which a plurality of dielectric layers 20 formed from a ceramic material and a plurality of internal electrode layers 30 are layered; a plurality of external electrodes 40 disposed on at least a second main surface TS2 of the multilayer body 10; and a stress suppression film 50 that suppresses stress applied to the multilayer body 10 and the plurality of external electrodes 40. The stress suppression film 50 is formed from an insulating material and extends along a first main surface TS1 and two end surfaces LS1, LS2 or along the first main surface TS1 and two side surfaces to cover the multilayer body 10 and the plurality of external electrodes 40. The ends of the stress suppression film 50 protrude with respect to the outermost surfaces of the plurality of external electrodes 40 on the second main surface TS2 side.

IPC Classes  ?

77.

MULTILAYER CERAMIC ELECTRONIC COMPONENT

      
Application Number JP2023026360
Publication Number 2024/062753
Status In Force
Filing Date 2023-07-19
Publication Date 2024-03-28
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Mishima Yasuhiro

Abstract

The purpose of the present invention is to provide a multilayer ceramic electronic component capable of reducing ESR. A multilayer ceramic capacitor 1 has a first external electrode 40A and a second external electrode 40B. The first external electrode 40A has a first base electrode layer 50A, a first conductive resin layer 60A including a thermosetting resin and a metal component disposed on the first base electrode layer 50A, and a first Ni plating layer 71A disposed on the first conductive resin layer 60A. The second external electrode 40B has a second base electrode layer 50B, a second conductive resin layer 60B including a thermosetting resin and a metal component disposed on the second base electrode layer 50B, and a second Ni plating layer 71B disposed on the second conductive resin layer 60B. Tensile stress remains as internal stress inside the first Ni plating layer 71A and the second Ni plating layer 71B.

IPC Classes  ?

78.

SECONDARY BATTERY

      
Application Number JP2023032395
Publication Number 2024/062916
Status In Force
Filing Date 2023-09-05
Publication Date 2024-03-28
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Honda Kenta

Abstract

Provided is a secondary battery having a higher safety. This secondary battery comprises: a battery element formed by winding a laminated body including a first electrode and a second electrode about a winding axis extending in a first direction; an exterior member having a through hole that penetrates in the first direction and housing the battery element; and an external terminal attached to the exterior member via an insulating member at a position overlapping with the through hole of the exterior member in the first direction. The external terminal has a curved shape including a recessed surface or a protruded surface facing the battery element.

IPC Classes  ?

  • H01M 50/559 - Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
  • H01M 10/04 - Construction or manufacture in general
  • H01M 10/0587 - Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
  • H01M 50/107 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
  • H01M 50/152 - Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
  • H01M 50/562 - Terminals characterised by the material
  • H01M 50/588 - Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars
  • H01M 50/593 - Spacers; Insulating plates

79.

PRESS HEAD, PRESS APPARATUS, SEMICONDUCTOR MANUFACTURING APPARATUS, AND ELECTRONIC COMPONENT MANUFACTURING APPARATUS

      
Application Number JP2023032475
Publication Number 2024/062921
Status In Force
Filing Date 2023-09-06
Publication Date 2024-03-28
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Hirao Takahiro
  • Shiroeda Yoshihiro
  • Boonruangkard Wasan
  • Wikanaiz Prusapa
  • Wongboontan Manuphong
  • Thamrongthanakiat Thanakorn

Abstract

This press head is provided with a head body and a sheet portion. The head body has a press surface. The sheet portion faces the press surface and is fixed so as to have a gap with respect to the press surface. Further, the sheet portion has a flexible layer opposed to the press surface and a release layer formed so as to contact the flexible layer.

IPC Classes  ?

80.

CERAMIC SUBSTRATE AND METHOD FOR PRODUCING CERAMIC SUBSTRATE

      
Application Number JP2023033191
Publication Number 2024/062975
Status In Force
Filing Date 2023-09-12
Publication Date 2024-03-28
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Kishimoto, Atsushi
  • Kato, Tomoki
  • Inaoka, Masato
  • Nishikawa, Hiroshi

Abstract

Provided are: a ceramic substrate which, even upon reception of a thermal shock, can be prevented from suffering a defect in the heat dissipation member or the ceramic layers or from suffering a defect around the interface between the heat dissipation member and a ceramic layer and can be inhibited from deteriorating in bending strength; and a method for producing the ceramic substrate. This ceramic substrate (1) comprises: a multilayer structure (10) comprising a plurality of superposed ceramic layers (11) and having an accommodation part (20) inside; and a heat dissipation member (30) disposed in the accommodation part (20). Along a direction (H) in which the heat dissipation member (30) extends, there is a first cavity (41) between at least some of the outer surface (31) of the heat dissipation member (30) and the inner wall surface (21) of the accommodation part (20).

IPC Classes  ?

  • H05K 1/02 - Printed circuits - Details
  • H05K 3/46 - Manufacturing multi-layer circuits
  • H01L 23/12 - Mountings, e.g. non-detachable insulating substrates
  • H01L 23/36 - Selection of materials, or shaping, to facilitate cooling or heating, e.g. heat sinks

81.

TRACKER CIRCUIT AND TRACKING METHOD

      
Application Number JP2023033562
Publication Number 2024/063006
Status In Force
Filing Date 2023-09-14
Publication Date 2024-03-28
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Hoversten, John
  • Perreault, David
  • Kato, Muneharu

Abstract

AA) of a band (A) to which a TDD is applied. The filter circuit (40A) is not series connected to but connected in shunt with the voltage supply path (P41).

IPC Classes  ?

  • H03F 1/02 - Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation

82.

TRACKER CIRCUIT AND TRACKING METHOD

      
Application Number JP2023033564
Publication Number 2024/063007
Status In Force
Filing Date 2023-09-14
Publication Date 2024-03-28
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Hoversten, John
  • Perreault, David
  • Kato, Muneharu

Abstract

ABB) of a band (B). The tracker circuit (1A) further comprises: a voltage supply path (P41) that connects the output switch circuit (30) and the power amplifier (2A); a voltage supply path (P42) that connects the output switch circuit (30) and the power amplifier (2B); and a filter circuit (40A) that can be connected in shunt with the voltage supply paths (P41 and P42).

IPC Classes  ?

  • H03F 1/02 - Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
  • H03F 3/24 - Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages

83.

DRIVER WITH BUILT-IN SELF TESTING OF SWITCH STATUS

      
Application Number US2023032722
Publication Number 2024/064010
Status In Force
Filing Date 2023-09-14
Publication Date 2024-03-28
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Dykstra, Jeffrey, A.
  • Adamski, Jaroslaw
  • Kanikaraj, Smita
  • Lacy, Douglas
  • Novak, Rodd, E.

Abstract

Methods and devices for reading and programming a state of a switch device are presented. The programming of the state of the switch device is performed by providing driving pulses to the switch device. The amplitude and the width of the driving pulses are a function of one or more of a) temperature of the switch device, b) desired state of the switch device, and c) operational time of the switch device. The described devices include a device to store the data demonstrating the functional relation between the amplitude and the width of the driving pulses and the temperature of the switch device. Such device can be a lookup table or an arithmetic logic unit (ALU). The disclosed switch devices can be PCM switches.

IPC Classes  ?

  • H03K 17/18 - Modifications for indicating state of switch
  • H03K 17/80 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of non-linear magnetic or dielectric devices
  • H03K 17/81 - Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors
  • G11C 13/00 - Digital stores characterised by the use of storage elements not covered by groups , , or
  • H10N 70/20 - Multistable switching devices, e.g. memristors

84.

AMPLIFICATION CIRCUIT, TRACKER MODULE, AMPLIFICATION MODULE, AND COMMUNICATION DEVICE

      
Application Number JP2023028197
Publication Number 2024/062775
Status In Force
Filing Date 2023-08-01
Publication Date 2024-03-28
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Muroya, Yusaku
  • Matsui, Toshiki
  • Sakurai, Satoshi
  • Chikita, Hironori
  • Kawakami, Kousuke

Abstract

An amplification circuit (40) comprises: power amplifiers (21 and 22); trackers (11 and 12) that can output variable power supply voltages; a switch (31) that is connected between the output terminal of the tracker (11) and the output terminal of the tracker (12); and a switch (33) that is connected between the output terminal of the tracker (12) and the power amplifier (22). The output terminal of the tracker (11) is connected to the power amplifier (21).

IPC Classes  ?

  • H03F 1/02 - Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
  • H03F 3/24 - Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
  • H04B 1/04 - Circuits

85.

SEMICONDUCTOR DEVICE AND HIGH FREQUENCY POWER AMPLIFIER

      
Application Number JP2023030322
Publication Number 2024/062829
Status In Force
Filing Date 2023-08-23
Publication Date 2024-03-28
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Sasaki Kenji
  • Takahashi Shinnosuke
  • Goto Satoshi

Abstract

In the present invention, a transistor comprises a collector layer, a base layer, and an emitter layer stacked in this order on an upper surface, which is one surface of a substrate. Four or more emitter electrodes are electrically connected to the emitter layer. A base electrode includes two or more base fingers electrically connected to the base layer. A collector electrode is electrically connected to the collector layer. The emitter electrodes and the base fingers each have a shape that is long in a first direction in the upper surface of the substrate. The emitter electrodes and the base fingers are disposed side by side in a second direction orthogonal to the first direction in the upper surface of the substrate. In a row of four or more emitter electrodes and two or more base fingers arranged side by side in the second direction, emitter electrodes are disposed at both ends in the second direction. Among inter-base-finger regions, which are each between two base fingers adjacent in the second direction, two emitter electrodes arranged side-by-side in the second direction are disposed in at least one inter-base-finger region. When an area/facing length ratio is defined as the ratio of the area, in plan view, of an emitter electrode to the length of the edge of the emitter electrode that faces one or two base fingers disposed adjacently to the plurality of emitter electrodes, the difference between the maximum value and the minimum value of the area/facing length ratio of each of the plurality of emitter electrodes is not more than 20% of the average value of the area/facing length ratio.

IPC Classes  ?

  • H01L 29/737 - Hetero-junction transistors
  • H01L 21/331 - Transistors
  • H01L 21/8222 - Bipolar technology
  • H01L 27/06 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration

86.

SECONDARY BATTERY

      
Application Number JP2023034150
Publication Number 2024/063103
Status In Force
Filing Date 2023-09-20
Publication Date 2024-03-28
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Eguchi, Kenta

Abstract

A secondary battery according to the present disclosure comprises an electrode assembly and an accommodation part that accommodates the electrode assembly. The electrode assembly has: a wound body obtained by winding a laminate in which a positive electrode and a negative electrode are stacked with a separator interposed therebetween; and tabs that protrude from edge sections of the positive electrode and the negative electrode. The wound body has an outer peripheral surface extending in the circumferential direction, and two side sections. The tabs protrude from the side sections of the wound body. The accommodation part is provided with: a metal cover that covers the side sections of the wound body and part of the outer peripheral surface of the wound body, the metal cover being electrically connected to the tabs; and an outer cladding. The outer cladding has: an outer cladding body that surrounds the periphery of the wound body, a central-direction end section of the outer cladding body being welded in an overlapping manner to the outer peripheral surface of the metal cover; and a seal part that is disposed at the outer periphery of the outer cladding body, the seal part being formed by welding together a pair of protruding sections that protrude from one circumferential-direction end section and the other circumferential-direction end section of the outer cladding body.

IPC Classes  ?

  • H01M 10/04 - Construction or manufacture in general
  • H01M 50/105 - Pouches or flexible bags
  • H01M 50/15 - Lids or covers characterised by their shape for prismatic or rectangular cells
  • H01M 50/159 - Metals
  • H01M 50/164 - Lids or covers characterised by the material having a layered structure
  • H01M 50/176 - Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
  • H01M 50/474 - Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof characterised by their position inside the cells
  • H01M 50/477 - Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof characterised by their shape
  • H01M 50/533 - Electrode connections inside a battery casing characterised by the shape of the leads or tabs
  • H01M 50/534 - Electrode connections inside a battery casing characterised by the material of the leads or tabs
  • H01M 50/545 - Terminals formed by the casing of the cells

87.

PRESSURE-WAVE-GENERATING ELEMENT

      
Application Number JP2023016074
Publication Number 2024/057603
Status In Force
Filing Date 2023-04-24
Publication Date 2024-03-21
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Fukamachi, Kohei

Abstract

Provided is a thermal-excitation-type pressure-wave-generating element with which it is possible to generate higher sound pressure. A pressure-wave-generating element according to the present invention is a thermal-excitation-type element and comprises a first solid insulating layer that has a first principal surface, a first metal layer that is provided to the first principal surface of the first solid insulating layer, a second metal layer that is disposed so as to be spaced apart from the first metal layer by a distance in the thickness direction of the first solid insulating layer, a first electrode that is electrically connected to one end of the first metal layer and to one end of the second metal layer, and a second electrode that is electrically connected to the other end of the first metal layer and to the other end of the second metal layer, the first solid insulating layer being positioned between the first and second metal layers.

IPC Classes  ?

  • H04R 23/00 - Transducers other than those covered by groups

88.

MULTILAYER CERAMIC CAPACITOR AND MOUNTING STRUCTURE FOR MULTILAYER CERAMIC CAPACITOR

      
Application Number JP2023020536
Publication Number 2024/057632
Status In Force
Filing Date 2023-06-01
Publication Date 2024-03-21
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Kitagawa Tomoki
  • Yasuda Tatsunori

Abstract

Provided are a multilayer ceramic capacitor and a mounting structure for the multilayer ceramic capacitor that make it possible to suitably suppress squeaking. A multilayer ceramic capacitor 1 comprises a capacitor body 1A and an interposer 4. The capacitor body 1A has a first outer electrode 3a and a second outer electrode 3b. The interposer 4 has an interposer body 40, a first columnar body 50a, and a second columnar body 50b. The interposer body 40 has an interposer body first principal surface AIa that is on the capacitor body 1A side, an interposer body second principal surface AIb that is on the other side, and a first through hole 41a and a second through hole 41b. The columnar bodies 50 each comprise a metal material that includes, as a principal component, a metal that has a melting point of at least 230°C, are respectively arranged inside the through holes 41, and are respectively conductively joined to the outer electrodes 3. The columnar bodies 50 each protrude from at least one of the interposer body first principal surface AIa and the interposer body second principal surface AIb.

IPC Classes  ?

  • H01G 2/06 - Mountings specially adapted for mounting on a printed-circuit support
  • H01G 2/02 - Mountings
  • H01G 4/30 - Stacked capacitors

89.

MULTILAYER CERAMIC ELECTRONIC COMPONENT

      
Application Number JP2023021220
Publication Number 2024/057636
Status In Force
Filing Date 2023-06-07
Publication Date 2024-03-21
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Nishikori Makoto

Abstract

The present invention provides a multilayer ceramic electronic capacitor that has a high cracking resistance. This multilayer ceramic capacitor 1 comprises: a laminate 10; a first external electrode 40A, which includes a first base electrode layer 50A; and a second external electrode 40B, which includes a second base electrode layer 50B, said external electrodes 40A and 40B being set apart from each other at each of both ends in the length direction L of the laminate 10. The first base electrode layer 50A and the second base electrode layer 50B have a metal part 70 and a plurality of non-metal parts 80 that are present in the metal part 70, and in the cross section view perpendicular to the width direction W, the average area of the non-metal parts 80 in a first population constituted of non-metal parts 80 having a circularity of 0.4 or less is 10 µm2 or greater, and in the cross section view perpendicular to the width direction W, the ratio at which the non-metal parts 80 are present in the first base electrode layer 50A and the second base electrode layer 50B is 8.2% or greater.

IPC Classes  ?

90.

HIGH FREQUENCY CIRCUIT AND COMMUNICATION APPARATUS

      
Application Number JP2023025707
Publication Number 2024/057696
Status In Force
Filing Date 2023-07-12
Publication Date 2024-03-21
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Obiya, Hidenori
  • Sano, Tomohiro
  • Mori, Hirotsugu

Abstract

A high frequency circuit (1) is capable of simultaneously transmitting a first band signal and a second band signal different from the first band, and comprises: a filter (11) having a passband including at least a portion of the first band; a power amplifier (21) connected to the filter (11); a filter (14) having a passband including at least a portion of the second band; a low-noise amplifier (32) connected to the filter (14); and a band elimination filter (15) that is connected to the output end of the low-noise amplifier (32) and has a stopband including at least a portion of the first band.

IPC Classes  ?

  • H04B 1/40 - Circuits
  • H04B 1/00 - TRANSMISSION - Details of transmission systems not characterised by the medium used for transmission

91.

SECONDARY BATTERY

      
Application Number JP2023026564
Publication Number 2024/057711
Status In Force
Filing Date 2023-07-20
Publication Date 2024-03-21
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Eguchi, Kenta
  • Higuchi, Masashi

Abstract

Provided is a secondary battery comprising: an electrode roll that is composed of a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode; and a cup-shaped member and a lid-shaped member that accommodate the electrode roll. One of the positive electrode and the negative electrode comprises a tab that extends from the electrode roll. The tab comprises a slit that extends from the tip of the tab toward the base of the tab. The tab, together with the slit, is held between the cup-shaped member and the lid-shaped member.

IPC Classes  ?

  • H01M 50/533 - Electrode connections inside a battery casing characterised by the shape of the leads or tabs
  • H01M 50/107 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
  • H01M 50/152 - Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
  • H01M 50/167 - Lids or covers characterised by the methods of assembling casings with lids by crimping
  • H01M 50/169 - Lids or covers characterised by the methods of assembling casings with lids by welding, brazing or soldering
  • H01M 50/531 - Electrode connections inside a battery casing
  • H01M 50/545 - Terminals formed by the casing of the cells
  • H01M 50/56 - Cup shaped terminals
  • H01M 50/586 - Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
  • H01M 50/595 - Tapes

92.

HIGH FREQUENCY CIRCUIT

      
Application Number JP2023027622
Publication Number 2024/057738
Status In Force
Filing Date 2023-07-27
Publication Date 2024-03-21
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Mori, Hirotsugu
  • Takeuchi, Morio

Abstract

A high frequency circuit (1) comprises: a filter (31) having a passband that includes a transmission band of a band (A); a filter (32) having a passband that includes a transmission band and/or a reception band of a band (B) which is higher than the transmission band of the band (A) and which allows communication simultaneously with the transmission band of the band (A); a filter (33) having a passband that includes a transmission band and/or a reception band of a band (C) which is higher than the transmission band and/or the reception band of the band (B); and a switch (51) including a terminal (511) that is connected to an antenna connection terminal (100), a terminal (512) that is connected to the filters (31 and 32), and a terminal (513) that is connected to the filter (33). A gap (G1) between the transmission band of the band (A) and a satellite positioning system band is narrower than a gap (G2) between the transmission band of the band (A) and the transmission band and/or the reception band of the band (C).

IPC Classes  ?

  • H04B 1/40 - Circuits
  • H04B 1/00 - TRANSMISSION - Details of transmission systems not characterised by the medium used for transmission

93.

FILTRATION MATERIAL AND METHOD FOR PRODUCING MULTILAYER CERAMIC CAPACITOR USING SAME

      
Application Number JP2023030304
Publication Number 2024/057849
Status In Force
Filing Date 2023-08-23
Publication Date 2024-03-21
Owner
  • MURATA MANUFACTURING CO., LTD. (Japan)
  • ROKI TECHNO CO., LTD. (Japan)
Inventor
  • Okuda Masatoshi
  • Nishi Mutsuya
  • Yamaguchi Yoshitaka
  • Hidaka Shiori

Abstract

The present invention provides a filtration material which is capable of removing fine inorganic particles from an inorganic paste such as a ceramic slurry and an conductive paste, the inorganic paste being used during the production of a multilayer ceramic capacitor. The present invention provides a filtration material for filtering an inorganic paste which contains first inorganic particles having a particle diameter of 20 nm to 300 nm, second inorganic particles having a particle diameter of less than 20 nm, an organic solvent, a binder and a dispersant; and a potential having a polarity reverse from the polarity of the first inorganic particles and the second inorganic particles is applied to this filtration material.

IPC Classes  ?

94.

POWER SYSTEM

      
Application Number JP2023030497
Publication Number 2024/057862
Status In Force
Filing Date 2023-08-24
Publication Date 2024-03-21
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Sato Fumitoshi
  • Kurita Ryosuke

Abstract

A power system (10) comprises: a plurality of loads (41-44); a plurality of power conditioners (31-34); a power reception point (P500); and a control device (60). The plurality of loads (41-44) are respectively installed in a plurality of different fireproof compartments in a building. The plurality of power conditioners (31-34) comprise power storage batteries (315, 325, 335, 345) installed in the respective fireproof compartments, and perform charging using power supplied from a commercial power grid or discharging of power from the storage batteries (315, 325, 335, 345) to the loads (41-44). The control device (60): detects a failure in the power storage batteries (315, 325, 335, 345) of the plurality of power conditioners (31-34); and performs control so as to supply power, from a power conditioner (32) located outside a fireproof compartment in which a power conditioner (34) comprising a failed power storage battery (345) is installed, to a load (44) in the fireproof compartment in which the power conditioner (34) comprising the failed power storage battery (345) is installed.

IPC Classes  ?

  • H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
  • H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
  • H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over

95.

INDUCTOR COMPONENT AND METHOD FOR MANUFACTURING SAME

      
Application Number JP2023030982
Publication Number 2024/057897
Status In Force
Filing Date 2023-08-28
Publication Date 2024-03-21
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Hasegawa, Shin
  • Sasaki, Tatsuya
  • Igarashi, Yuuji

Abstract

Provided is an inductor component which makes it possible to easily perform a wire member assembly operation. An inductor component equipped with a coil which includes a plurality of wire members, wherein: a first end section of a first wire member and a second end section of a second wire member, which are adjacent wire members, are connected to one another; the plurality of wire members constitute the spiral of the coil; a wall section which projects in the centerline direction of the first end section is provided to the end surface of the first end section; the end surface of the first end section faces a peripheral surface of the second end section; and a lateral surface of the wall section in a direction which is perpendicular to the centerline direction of the first end section faces the end surface of the second end section.

IPC Classes  ?

  • H01F 17/06 - Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
  • H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils

96.

OPTICAL SENSOR MODULE

      
Application Number JP2023032634
Publication Number 2024/058038
Status In Force
Filing Date 2023-09-07
Publication Date 2024-03-21
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Banba, Shinichiro

Abstract

This optical sensor module (101) is provided with: a first substrate (51) which has a first surface (51a) that comprises a first region and a second region; a light emitting element (2) which is mounted on the first region; a light receiving element (3) which is mounted on the second region; a first annular member (41) which is connected to the first surface (51a) so as to surround the light emitting element (2); a second annular member (42) which is connected to the first surface (51a) so as to surround the light receiving element (3); and a second substrate (52) which is arranged so as to partially overlap with the first substrate (51), while being parallel to the first substrate (51). The second substrate (52) has a first opening (521) in a region that includes the projection region of the light emitting element (2), while having a second opening (522) in a region that includes the projection region of the light receiving element (3). The first annular member (41) is arranged so as to surround the first opening (511), while being connected to the second substrate (52). The second annular member (42) is arranged so as to surround the second opening (522), while being connected to the second substrate (52). A first transparent substrate (71) is fitted to the second substrate (52) so as to close the first opening (521). A second transparent substrate (72) is fitted to the second substrate (52) so as to close the second opening (522). A sealing resin (6) is arranged so as to seal a region of the first substrate (51)-side surface of the second substrate (52), the region being on the outer side of the first annular member (41), while being on the outer side of the second annular member (42).

IPC Classes  ?

  • H01L 31/12 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto

97.

PEN-TYPE ELECTRONIC APPARATUS

      
Application Number JP2023033001
Publication Number 2024/058104
Status In Force
Filing Date 2023-09-11
Publication Date 2024-03-21
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Kihara Takashi
  • Nishimoto Keisuke

Abstract

A pen-type electronic apparatus (1) comprising: a tubular housing (30) that has a grip section (101) which is gripped by a user; a pen shaft (10) that is housed in the interior of the housing (30); a sheet-shaped pressing sensor (20) that is wound in a location on an outside surface of the pen shaft (10) or an inside surface of the housing (30), said location overlapping with the grip section (101); and a cushioning material (50) that is positioned between the pen shaft (10) and the pressing sensor (20), or between the pressing sensor (20) and the housing (30), wherein the pressing sensor (20) has a low-sensitivity region at a center portion (102) of the grip section (101) along the lengthwise direction of the pen shaft (10).

IPC Classes  ?

  • G06F 3/03 - Arrangements for converting the position or the displacement of a member into a coded form

98.

NEGATIVE ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY

      
Application Number JP2023021492
Publication Number 2024/057641
Status In Force
Filing Date 2023-06-09
Publication Date 2024-03-21
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Inoue Nobuhiro

Abstract

This secondary battery comprises a positive electrode, a negative electrode including a negative electrode active material layer, and an electrolyte, wherein the negative electrode active material layer includes an alkali metal carbonate compound and a magnesium compound. The alkali metal carbonate compound has a carbonate bond (-OC(=O)O-) and includes an alkali metal element as a constituent element, and the magnesium compound includes magnesium as a constituent element.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
  • H01M 4/134 - Electrodes based on metals, Si or alloys
  • H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 10/052 - Li-accumulators
  • H01M 10/0566 - Liquid materials

99.

IRON BASE RARE EARTH BORON-BASED ISOTROPIC NANOCOMPOSITE MAGNET ALLOY, METHOD FOR PRODUCING IRON BASE RARE EARTH BORON-BASED ISOTROPIC NANOCOMPOSITE MAGNET ALLOY, AND METHOD FOR PRODUCING RESIN-BONDED PERMANENT MAGNET

      
Application Number JP2023023185
Publication Number 2024/057653
Status In Force
Filing Date 2023-06-22
Publication Date 2024-03-21
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor
  • Kanekiyo Hirokazu
  • Yamazaki Takashi
  • Takayama Kazuhiro

Abstract

The present invention provides an iron base rare earth boron-based isotropic nanocomposite magnet alloy which has an alloy composition that has a composition which is represented by the composition formula T100-x-y-z(B1-nCn)xREyZrzMm (wherein: T represents one or more transition metal elements that are selected from the group consisting of Fe, Co and Ni, and necessarily includes Fe; RE represents one or more rare earth elements that are selected from among Nd and Pr, and necessarily includes Nd; and M represents one or more metal elements that are selected from the group consisting of Al, Si, V, Cr, Ti, Mn, Cu, Zn, Ga, Nb, Mo, Ag, Hf, Ta, W, Pt, Au and Pb), wherein the compositional ratios x, y, and z respectively satisfy 4.2% by atom ≤ x ≤ 5.0% by atom, 12.5 % by atom ≤ y ≤ 14.0% by atom, 0% by atom < z ≤ 2.0% by atom, 0.0% by atom ≤ m ≤ 5.0% by atom, and 0.0 ≤ n ≤ 0.5. This iron base rare earth boron-based isotropic nanocomposite magnet alloy has a metal structure which has, as a main phase, an RE2Fe14B-type tetragonal compound that has a lower B concentration than the stoichiometric composition of an RE2Fe14B-type tetragonal compound, while having an average crystal grain size of not less than 10 nm but less than 70 nm, the average crystal grain size being smaller than the single domain critical diameter, and which comprises a phase that is richer in Fe than the main phase in the grain boundary phase that surrounds the main phase.

IPC Classes  ?

  • H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
  • B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
  • B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
  • B22F 9/04 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets

100.

ELECTRONIC COMPONENT

      
Application Number JP2023029058
Publication Number 2024/057786
Status In Force
Filing Date 2023-08-09
Publication Date 2024-03-21
Owner MURATA MANUFACTURING CO., LTD. (Japan)
Inventor Takazawa, Ryoji

Abstract

This electronic component (100) is provided with: a multilayer body (110) which is obtained by stacking a plurality of dielectric layers; an external electrode (121) which is arranged on at least one of outer surfaces of the multilayer body (110); and internal electrodes (140) which are arranged in a plurality of layers of the multilayer body (110), and are connected to the external electrode (121). At least one cavity part (190) is formed in a dielectric layer that is positioned between internal electrodes (140) within the range of 0 µm to 200 µm from the position where the external electrode (121) and the internal electrodes (140) are connected to each other in the extending direction of the internal electrodes (140).

IPC Classes  ?

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