IPC Classification

Class code (prefix) Descriptions Number of results
  • All sections
  • H - Electricity
  • H01G - Capacitorscapacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices of the electrolytic type
H01G 2/00 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 arrangementsHeating arrangementsVentilating arrangements
H01G 2/10 HousingEncapsulation
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 capacitorsProcesses 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 HousingEncapsulation
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 shaftProcesses of their manufacture
H01G 5/01 Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaftProcesses of their manufacture Details
H01G 5/04 Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaftProcesses 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 shaftProcesses 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 shaftProcesses 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 shaftProcesses 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 shaftProcesses 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 shaftProcesses 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 shaftProcesses 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 shaftProcesses 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 meansProcesses 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 meansProcesses 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 meansProcesses 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 devicesProcesses of their manufacture
H01G 9/02 DiaphragmsSeparators
H01G 9/04 Electrodes
H01G 9/06 Mounting in containers
H01G 9/07 Dielectric layers
H01G 9/08 HousingEncapsulation
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 devicesProcesses 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 electrodesElectric double-layer [EDL] capacitorsProcesses for the manufacture thereof or of parts thereof
H01G 11/02 Hybrid capacitors, i.e. capacitors having different positive and negative electrodesElectric double-layer [EDL] capacitorsProcesses 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 structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosityElectrodes 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 collectorLayers 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 blendsBinders 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. gelsAdditives 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 CasesHousingsEncapsulationsMountings
H01G 11/80 GasketsSealings
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 capacitorsProcesses specially adapted for manufacturing capacitors not provided for in groups
H01G 13/02 Machines for winding capacitors
H01G 13/04 DryingImpregnating
H01G 13/06 Apparatus specially adapted for manufacturing capacitorsProcesses 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