Method for producing thermoplastic film electric element

Details Method for producing thermoplastic film electric element Method for producing thermoplastic film electric element

1975-08-28

1977-11-08

Weiffenbach, Cameron K.

Coating processes

Electrical product produced

Piezoelectric properties

427123, 427264, 427271, B05D 512

Patent

active

040576604

ABSTRACT:
Separate polarizing electrodes are attached to the opposite surfaces of a thermoplastic film. A high D. C. voltage is then applied across these electrodes to polarize the film to produce an electric element, such as an electret, piezoelectric or pyroelectric element. Portions of the polarizing electrodes are then selectively removed to form the operating electrodes required for the electric element.

REFERENCES:
patent: 3912830 (1975-10-01), Murayama et al.
patent: 3931420 (1976-01-01), Schulz et al.
patent: 3931446 (1976-01-01), Murayama et al.

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