IPC Classification

Class code (prefix) Descriptions Number of results
  • All sections
  • H - Electricity
  • H01G - Capacitors; capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices of the electrolytic type
H01G 2/00 CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE - Details of capacitors not covered by a single one of groups
H01G 2/02 Mountings
H01G 2/04 Mountings specially adapted for mounting on a chassis
H01G 2/06 Mountings specially adapted for mounting on a printed-circuit support
H01G 2/08 Cooling arrangements; Heating arrangements; Ventilating arrangements
H01G 2/10 Housing; Encapsulation
H01G 2/12 Protection against corrosion
H01G 2/14 Protection against electric or thermal overload
H01G 2/16 Protection against electric or thermal overload with fusing elements
H01G 2/18 Protection against electric or thermal overload with breakable contacts
H01G 2/20 Arrangements for preventing discharge from edges of electrodes
H01G 2/22 Electrostatic or magnetic shielding
H01G 2/24 Distinguishing marks, e.g. colour coding
H01G 4/00 Fixed capacitors; Processes of their manufacture
H01G 4/01 Form of self-supporting electrodes
H01G 4/02 Gas or vapour dielectrics
H01G 4/04 Liquid dielectrics
H01G 4/005 Electrodes
H01G 4/06 Solid dielectrics
H01G 4/08 Inorganic dielectrics
H01G 4/10 Metal-oxide dielectrics
H01G 4/12 Ceramic dielectrics
H01G 4/14 Organic dielectrics
H01G 4/015 Special provisions for self-healing
H01G 4/16 Organic dielectrics of fibrous material, e.g. paper
H01G 4/18 Organic dielectrics of synthetic material, e.g. derivatives of cellulose
H01G 4/20 Dielectrics using combinations of dielectrics from more than one of groups
H01G 4/22 Dielectrics using combinations of dielectrics from more than one of groups impregnated
H01G 4/26 Folded capacitors
H01G 4/28 Tubular capacitors
H01G 4/30 Stacked capacitors
H01G 4/32 Wound capacitors
H01G 4/33 Thin- or thick-film capacitors
H01G 4/35 Feed-through capacitors or anti-noise capacitors
H01G 4/38 Multiple capacitors, i.e. structural combinations of fixed capacitors
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
H01G 4/224 Housing; Encapsulation
H01G 4/228 Terminals
H01G 4/232 Terminals electrically connecting two or more layers of a stacked or rolled capacitor
H01G 4/236 Terminals leading through the housing, i.e. lead-through
H01G 4/242 Terminals the capacitive element surrounding the terminal
H01G 4/245 Tabs between the layers of a rolled electrode
H01G 4/248 Terminals the terminals embracing or surrounding the capacitive element, e.g. caps
H01G 4/252 Terminals the terminals being coated on the capacitive element
H01G 4/255 Means for correcting the capacitance value
H01G 4/258 Temperature compensation means
H01G 5/00 Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
H01G 5/01 Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture - Details
H01G 5/04 Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of effective area of electrode
H01G 5/06 Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of effective area of electrode due to rotation of flat or substantially flat electrodes
H01G 5/08 Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of effective area of electrode due to rotation of flat or substantially flat electrodes becoming active in succession
H01G 5/10 Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of effective area of electrode due to rotation of helical electrodes
H01G 5/011 Electrodes
H01G 5/12 Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of effective area of electrode due to rotation of part-cylindrical, conical, or spherical electrodes
H01G 5/013 Dielectrics
H01G 5/14 Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of effective area of electrode due to longitudinal movement of electrodes
H01G 5/015 Current collectors
H01G 5/16 Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of distance between electrodes
H01G 5/017 Temperature compensation
H01G 5/18 Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of distance between electrodes due to change in inclination, e.g. by flexing, by spiral wrapping
H01G 5/019 Means for correcting the capacitance characteristics
H01G 5/38 Multiple capacitors, e.g. ganged
H01G 5/40 Structural combinations of variable capacitors with other electric elements not covered by this subclass, the structure mainly consisting of a capacitor, e.g. RC combinations
H01G 7/00 Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
H01G 7/02 Electrets, i.e. having a permanently-polarised dielectric
H01G 7/04 Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture having a dielectric selected for the variation of its permitivity with applied temperature
H01G 7/06 Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture having a dielectric selected for the variation of its permitivity with applied voltage, i.e. ferroelectric capacitors
H01G 9/00 Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
H01G 9/02 Diaphragms; Separators
H01G 9/04 Electrodes
H01G 9/06 Mounting in containers
H01G 9/07 Dielectric layers
H01G 9/08 Housing; Encapsulation
H01G 9/10 Sealing, e.g. of lead-in wires
H01G 9/12 Vents or other means allowing expansion
H01G 9/14 Structural combinations for modifying, or compensating for, electric characteristics of electrolytic capacitors
H01G 9/15 Solid electrolytic capacitors
H01G 9/16 Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture specially adapted for use as rectifiers or detectors
H01G 9/18 Self-interrupters
H01G 9/20 Light-sensitive devices
H01G 9/21 Temperature-sensitive devices
H01G 9/22 Devices using combined reduction and oxidation, e.g. redox arrangement or solion
H01G 9/025 Solid electrolytes
H01G 9/26 Structural combinations of electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices with each other
H01G 9/28 Structural combinations of electrolytic capacitors, rectifiers, detectors, switching devices with other electric components not covered by this subclass
H01G 9/032 Inorganic semiconducting electrolytes, e.g. MnO2
H01G 9/035 Liquid electrolytes, e.g. impregnating materials
H01G 9/038 Electrolytes specially adapted for double-layer capacitors
H01G 9/042 Electrodes characterised by the material
H01G 9/045 Electrodes characterised by the material based on aluminium
H01G 9/048 Electrodes characterised by their structure
H01G 9/052 Sintered electrodes
H01G 9/055 Etched foil electrodes
H01G 9/058 specially adapted for double-layer capacitors
H01G 9/145 Liquid electrolytic capacitors
H01G 9/155 Double-layer capacitors
H01G 11/00 Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
H01G 11/02 Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof using combined reduction-oxidation reactions, e.g. redox arrangement or solion
H01G 11/04 Hybrid capacitors
H01G 11/06 Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
H01G 11/08 Structural combinations, e.g. assembly or connection, of hybrid or EDL capacitors with other electric components, at least one hybrid or EDL capacitor being the main component
H01G 11/10 Multiple hybrid or EDL capacitors, e.g. arrays or modules
H01G 11/12 Stacked hybrid or EDL capacitors
H01G 11/14 Arrangements or processes for adjusting or protecting hybrid or EDL capacitors
H01G 11/16 Arrangements or processes for adjusting or protecting hybrid or EDL capacitors against electric overloads, e.g. including fuses
H01G 11/18 Arrangements or processes for adjusting or protecting hybrid or EDL capacitors against thermal overloads, e.g. heating, cooling or ventilating
H01G 11/20 Reformation or processes for removal of impurities, e.g. scavenging
H01G 11/22 Electrodes
H01G 11/24 Electrodes characterised by the structural features of powders or particles used therefor
H01G 11/26 Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
H01G 11/28 Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features arranged or disposed on a current collector; Layers or phases between electrodes and current collectors, e.g. adhesives
H01G 11/30 Electrodes characterised by their material
H01G 11/32 Carbon-based
H01G 11/34 Carbon-based characterised by carbonisation or activation of carbon
H01G 11/36 Nanostructures, e.g. nanofibres, nanotubes or fullerenes
H01G 11/38 Carbon pastes or blends; Binders or additives therein
H01G 11/40 Fibres
H01G 11/42 Powders or particles, e.g. composition thereof
H01G 11/44 Raw materials therefor, e.g. resins or coal
H01G 11/46 Metal oxides
H01G 11/48 Conductive polymers
H01G 11/50 Electrodes characterised by their material specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
H01G 11/52 Separators
H01G 11/54 Electrolytes
H01G 11/56 Solid electrolytes, e.g. gels; Additives therein
H01G 11/58 Liquid electrolytes
H01G 11/60 Liquid electrolytes characterised by the solvent
H01G 11/62 Liquid electrolytes characterised by the solute, e.g. salts, anions or cations therein
H01G 11/64 Liquid electrolytes characterised by additives
H01G 11/66 Current collectors
H01G 11/68 Current collectors characterised by their material
H01G 11/70 Current collectors characterised by their structure
H01G 11/72 Current collectors specially adapted for integration in multiple or stacked hybrid or EDL capacitors
H01G 11/74 Terminals, e.g. extensions of current collectors
H01G 11/76 Terminals, e.g. extensions of current collectors specially adapted for integration in multiple or stacked hybrid or EDL capacitors
H01G 11/78 Cases; Housings; Encapsulations; Mountings
H01G 11/80 Gaskets; Sealings
H01G 11/82 Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
H01G 11/84 Processes for the manufacture of hybrid or EDL capacitors, or components thereof
H01G 11/86 Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
H01G 13/00 Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups
H01G 13/02 Machines for winding capacitors
H01G 13/04 Drying; Impregnating
H01G 13/06 Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups with provision for removing metal surfaces
H01G 15/00 Structural combinations of capacitors or other devices covered by at least two different main groups of this subclass with each other
H01G 17/00 Structural combinations of capacitors or other devices covered by at least two different main groups of this subclass with other electric elements, not covered by this subclass, e.g. RC combinations