Piezoelectric actuator and method of manufacturing the same

Details Piezoelectric actuator and method of manufacturing the same Piezoelectric actuator and method of manufacturing the same

1990-11-30

1993-08-24

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310340, H01L 4108

Patent

active

052392236

ABSTRACT:
A piezoelectric actuator, comprising an electrostrictive effect element, a metal case and a metal member, each of the metal case and the metal member being provided with a flanged mounting portion on the periphery thereof, either of the metal case or the metal member being provided with an expansion and contraction portion. The element is received in the metal case and is hermetically sealed in such a state that a compressive force is previously applied to the element.

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patent: 4803393 (1989-02-01), Takahashi
patent: 4814659 (1989-03-01), Sawada
patent: 5004945 (1991-04-01), Tomita et al.

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