Variable capacitor and method of making same

Details Variable capacitor and method of making same Variable capacitor and method of making same

1988-09-26

1990-08-28

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

29 2542, H01G 502, H01G 700

Patent

active

049530577

ABSTRACT:
A variable capacitor formed of two flexible interleaved films, each having a dielectric layer and a superposed electrically conductive layer. The films are coiled about an axis in sliding contact with each other and are movable axially relative to each other to vary the capacitance.

REFERENCES:
patent: 2930952 (1960-03-01), Glauber
patent: 3213340 (1965-10-01), Robertson
patent: 3284682 (1966-11-01), Lippman
patent: 3495142 (1970-02-01), Herrgen et al.
patent: 3700983 (1972-10-01), Goetzl
patent: 4002957 (1977-01-01), Weisbrod

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