Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture

Introduced: September 1968

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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H01G 7/02 Electrets, i.e. having a permanently-polarised dielectric +3 CPC IPC+CPC Available in IPC and CPC
H01G 7/04 having a dielectric selected for the variation of its permittivity with applied temperature IPC+CPC Available in IPC and CPC
H01G 7/06 having a dielectric selected for the variation of its permittivity with applied voltage, i.e. ferroelectric capacitors (electrets H01G7/02) IPC+CPC Available in IPC and CPC