CPC Main Group
H01G 7/00 Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
3 direct subcodes
Child Classifications
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- 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 H01G7/02)