H
SECTION H — ELECTRICITY
 H01
BASIC ELECTRIC ELEMENTS
 H01

Note(s)

Processes involving only a single technical art, e.g. drying, coating, for which provision exists elsewhere are classified in the relevant class for that art.

 H01G
CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, OR LIGHT-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE (selection of specified materials as dielectric H01B 3/00)
 H01G 1/00
Details of fixed capacitors (electrolytic capacitors H01G 9/00)
 H01G 1/01
·  Selection of materials for electrodes
 H01G 1/02
·  Mounting; Housing; Enclosing; Filling the housing or enclosure
 H01G 1/03
·  ·  Adaptations for mounting on a chassis
 H01G 1/035
·  ·  Adaptations for mounting on a printed-circuit support
 H01G 1/04
·  Distinguishing marks, e.g. colour coding
 H01G 1/06
·  Electrostatic or electromagnetic shielding
 H01G 1/08
·  Cooling arrangements; Heating arrangements; Ventilating arrangements
 H01G 1/10
·  Protection against corrosion
 H01G 1/11
·  Protection against electric or thermal overload (by cooling H01G 1/08)
 H01G 1/13
·  Arrangements for preventing discharge from edges of electrodes
 H01G 1/14
·  Terminals
 H01G 1/16
·  Circuits for modifying, or compensating for, electric characteristics of capacitors (impedance networks H03H)
 H01G 3/00
Capacitors with invariable capacitance; electrolytic capacitors H01G 9/00)
 H01G 3/02
·  having air, gas, or vacuum as the dielectric
 H01G 3/04
·  having a liquid dielectric
 H01G 3/06
·  having a solid dielectric (layered products in general B32B, e.g. B32B 15/00)
 H01G 3/07
·  ·  Stacked capacitors; Folded capacitors; Tubular capacitors
 H01G 3/075
·  ·  ·  with metal-oxide dielectric
 H01G 3/09
·  ·  ·  with ceramic dielectric
 H01G 3/095
·  ·  ·  with organic dielectric
 H01G 3/11
·  ·  ·  ·  of fibrous dielectric, e.g. paper
 H01G 3/115
·  ·  ·  ·  ·  impregnated
 H01G 3/13
·  ·  ·  ·  resinous dielectric, e.g. epoxy resin
 H01G 3/135
·  ·  ·  with dielectric comprising at least two materials selected from metal oxide, ceramics, organic material
 H01G 3/15
·  ·  ·  adapted for self-healing
 H01G 3/17
·  ·  Wound capacitors
 H01G 3/175
·  ·  ·  with organic dielectric
 H01G 3/19
·  ·  ·  ·  fibrous dielectric, e.g. paper
 H01G 3/195
·  ·  ·  ·  ·  impregnated
 H01G 3/21
·  ·  ·  ·  resinous dielectric, e.g. epoxy resin
 H01G 3/215
·  ·  ·  adapted for self-healing
 H01G 3/24
·  with temperature compensation
 H01G 3/26
·  with means for correcting the capacitance value
 H01G 3/28
·  Multiple capacitors, i.e. structural combinations of invariable capacitors
 H01G 5/00
Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft (semiconductor devices operating as variable capacitors H01L)
 H01G 5/01
·  Details
 H01G 5/015
·  ·  Current collectors
 H01G 5/02
·  having air, gas, or vacuum as the dielectric (using displacement of liquid or solid dielectric H01G 5/20, H01G 5/26)
 H01G 5/04
·  ·  using variation of effective area of electrode
 H01G 5/06
·  ·  ·  due to rotation of flat or substantially flat electrodes
 H01G 5/08
·  ·  ·  ·  becoming active in succession
 H01G 5/10
·  ·  ·  due to rotation of helical electrodes
 H01G 5/12
·  ·  ·  due to rotation of part-cylindrical, conical, or spherical electrodes
 H01G 5/14
·  ·  ·  due to longitudinal movement of electrodes
 H01G 5/16
·  ·  using variation of distance between electrodes
 H01G 5/18
·  ·  ·  due to change in inclination, e.g. by flexing, by spiral wrapping
 H01G 5/20
·  having a liquid dielectric
 H01G 5/22
·  having a solid dielectric
 H01G 5/24
·  ·  with movable electrodes
 H01G 5/26
·  ·  with movable dielectric
 H01G 5/28
·  with one or more electrodes consisting of displaceable liquid or conducting powder, e.g. mercury
 H01G 5/34
·  with temperature compensation
 H01G 5/36
·  with means for correcting the capacitance characteristic
 H01G 5/38
·  Multiple capacitors, e.g. ganged
 H01G 7/00
Capacitors in which the capacitance is varied by non-mechanical means (semiconductor devices operating as variable capacitors H01L)
 H01G 7/02
·  Electrets, i.e. having a permanently-polarised dielectric
 H01G 7/04
·  having a dielectric selected for the variation of its permittivity with applied temperature
 H01G 7/06
·  having a dielectric selected for the variation of its permittivity with applied voltage, i.e. ferroelectric capacitors (electrets H01G 7/02)
 H01G 9/00
Electrolytic capacitors, rectifiers, detectors, switching devices or light-sensitive devices
 H01G 9/02
·  Diaphragms; Separators; Selection of materials for use as electrolytes or absorbents (for electrolytic apparatus in general B01K 3/00; for primary, or secondary cells H01M)
 H01G 9/04
·  Electrodes
 H01G 9/05
·  ·  consisting of tantalum, niobium, or sintered material; Combinations of such electrodes with solid semi-conductive electrolytes, e.g. manganese dioxide
 H01G 9/06
·  ·  Mounting in containers
 H01G 9/08
·  Containers
 H01G 9/10
·  ·  Sealing, e.g. of lead-in wires
 H01G 9/12
·  ·  Vents or other means allowing expansion
 H01G 9/14
·  Circuits for modifying, or compensating for, electric characteristics of electrolytic capacitors (impedance networks H03H)
 H01G 9/16
·  specially for use as rectifiers or detectors (H01G 9/22 takes precedence)
 H01G 9/18
·  Self-interrupters
 H01G 9/20
·  Light-sensitive devices
 H01G 9/22
·  Devices using combined reduction and oxidation, e.g. redox arrangement, solion
 H01G 13/00
Apparatus or processes specially adapted for manufacturing capacitors or electrolytic devices
 H01G 13/02
·  Machines for winding capacitors (winding in general B65H)
 H01G 13/04
·  Drying (in general F26B); Impregnating
 H01G 13/06
·  with provision for removing metal surfaces