Technique for fabrication of foil electret

Details Technique for fabrication of foil electret Technique for fabrication of foil electret

1975-09-29

1976-11-09

Weiffenbach, Cameron K.

Electrical transmission or interconnection systems

Anti-induction or coupling to other systems

29592, 29594, 179111E, 427100, 427124, 427125, B05D 512, H01S 400

Patent

active

039913210

ABSTRACT:
A technique for the fabrication of thin film electrets designed for use in electroacoustic transducers involves depositing a thin film of titanium upon a perfluorinated foil and, subsequently, depositing a layer of gold thereon. The resultant structure evidences adhesion characteristics which are superior to those described heretofore for metallized foils and electrical characteristics comparable to those previously described.

REFERENCES:
patent: 3711941 (1973-01-01), Sessler et al.
patent: 3912830 (1975-10-01), Murayama et al.
patent: 3945112 (1976-03-01), Schornhorn et al.

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