Piezo-electric device

H - Electricity – 01 – L

Patent

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349/67.4

H01L 41/08 (2006.01) B06B 1/06 (2006.01) C22C 38/00 (2006.01) H01L 41/04 (2006.01) H01L 41/09 (2006.01)

Patent

CA 1278088

ABSTRACT OF THE DISCLOSURE 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.

533913

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