Electret device

Details Electret device Electret device

1981-06-30

1983-06-28

Moffitt, James W.

Electrical transmission or interconnection systems

Electrets

G11C 1302

Patent

active

043908004

ABSTRACT:
An electret device having an improved surface charge in terms of high potential and uniformity of charge distribution. The electret device comprises a plurality of electret elements formed in stacked layers upon each other, wherein at least the electret element located at the bottom layer is provided with a conductive electrode secured to the bottom surface of a dielectric body, and wherein each electret element is provided with a volume of surface charge of a single polarity.

REFERENCES:
patent: 3436492 (1969-04-01), Reedyk
patent: 3967027 (1976-06-01), Igarashi et al.

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