Piezoelectric elements of organic high molecular weight material

Details Piezoelectric elements of organic high molecular weight material Piezoelectric elements of organic high molecular weight material

1976-05-21

1980-05-20

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

307400, 310800, H01L 4118

Patent

active

042041350

ABSTRACT:
Organic piezoelectric elements having a piezoelectric modulus of the order of as high as 10.sup.-6 c.g.s.e.s.u. or more are obtained from a film, sheet or other shaped structure of a high molecular weight copolymer of 99 to 50% by weight of vinylidene fluoride with, correspondingly, 1 to 50% by weight of a comonomer, by heating the shaped structure to a temperature of 40.degree. to 200.degree. C. in an electrostatic field of an electropotential gradient of 30 to 1,500 KV/cm.

REFERENCES:
patent: 3053818 (1962-09-01), Honn et al.
patent: 3451978 (1969-06-01), Chalmers
patent: 3691264 (1972-09-01), Asahina

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