Electret device

Details Electret device Electret device

1982-05-13

1984-07-03

Miller, Jr., George H.

Electrical transmission or interconnection systems

Electrets

179111E, G11C 1302

Patent

active

044581610

ABSTRACT:
An electret device having improved uniformity and lifetime of surface charge distribution, wherein a polarized dielectric body is secured at its one flat surface to a conductive electrode and attached to a plurality of discrete cover bodies at its other flat surface opposite to the conductive electrode. The plurality of cover bodies may be comprised of any conductive, semi-conductive or non-conductive material.

REFERENCES:
patent: 3588640 (1971-06-01), Fabricius
patent: 3751612 (1973-08-01), Hansen
patent: 3772518 (1973-11-01), Murayama et al.
"The Journal of the Acoustical Society of America", vol. 53, No. 6, pp. 1590-1600, Title: Electret Transducers; A Review, Author: G. M. Sessler and J. E. West.
"The Journal of the Acoustical Society of America", vol. 53, No. 6, 1973, pp. 1578-1588, Title: Introduction to Electrets, Author: H. J. Wintle.

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