Transducer of the half-wave type with a piezoelectric polymer ac

Details Transducer of the half-wave type with a piezoelectric polymer ac Transducer of the half-wave type with a piezoelectric polymer ac

1983-07-27

1984-09-25

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310335, 310800, 310366, H01L 4108

Patent

active

044737696

ABSTRACT:
The invention relates to electromechanical transducers of the half-wave type in which the active element is a foil of piezoelectric polymer surrounded by electrodes.
The invention provides a transducer in which the vibrating structure comprises, integral with the active piezoelectric polymer foil, at least one passive foil serving as a support for the electrodes.

REFERENCES:
patent: 3912830 (1975-10-01), Murayama et al.
patent: 4117074 (1978-09-01), Tiersten et al.
patent: 4296349 (1981-10-01), Nakanishi et al.
patent: 4383194 (1983-05-01), Ohigashi et al.
Monolithic Silicon-PVF.sub.2, Piezoelectric Arrays for Ultrasonic Imaging, by R. G. Swartz et al., presented at 8th International Symposium on Acoustic Imaging, Key Biscayne, Fla., May 1978.

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