Piezo-electric device

Details Piezo-electric device Piezo-electric device

1987-03-31

1988-09-06

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

047695706

ABSTRACT:
A piezo-electric device such as a piezo bimorph device includes an intermediate plate, a plate-shaped first piezo ceramic element fixed on one surfaces of the intermediate plate, a plate-shaped second piezo ceramic element fixed on the other surface of the intermediate plate, and a lead wire for connecting the first piezo ceramic element with the second piezo ceramic element. The intermediate plate is made of a hardened tool steel containing carbon from 0.6 to 1.5%, or a fine ceramic material.

REFERENCES:
patent: 2479926 (1949-08-01), Gravley
patent: 2633543 (1953-03-01), Howatt
patent: 3084228 (1963-04-01), Shiga
patent: 3163783 (1964-12-01), Howatt et al.
patent: 3447217 (1969-06-01), Kumada
patent: 4349762 (1982-09-01), Kitamura et al.
patent: 4443729 (1984-04-01), Rider
patent: 4610426 (1986-09-01), Brandner
patent: 4649313 (1987-03-01), Ogawa et al.

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