Fiber reinforced piezoelectric bender transducer

Details Fiber reinforced piezoelectric bender transducer Fiber reinforced piezoelectric bender transducer

1980-04-24

1982-09-14

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310331, H01L 4108

Patent

active

043497624

ABSTRACT:
An electro-mechanical transducer having a first layer made of piezoelectric material having opposing major surfaces, a pair of electrodes formed on the major surfaces of the first layer, respectively, and a second layer clamped at its one surface to one of the surfaces of the first layer. In this case, the first layer has a Young's modulus of E, the second layer has a Young's modulus of Ex in one direction and a Young's modulus Ey in the direction perpendicular to the one direction in the major surface, The Young's moduli E, Ex, Ey satisfy the relation E>Ey, Ex>Ey, and one end of the first and second layers along the one direction is clamped.

REFERENCES:
patent: 2518793 (1950-08-01), Keller
patent: 3390287 (1968-06-01), Sonderegger
patent: 3447217 (1969-06-01), Kumada
patent: 3629625 (1971-12-01), Schafft
patent: 4047060 (1977-09-01), Schafft

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