Piezoelectric actuator
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United States of America Patent
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-
Aug 17, 1999
Issued Date -
N/A
app pub date -
Jun 24, 1994
filing date -
Sep 30, 1988
priority date (Note) -
Expired
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Abstract
A piezoelectric device or actuator (30) includes dimorph stack (32) attached to a support (34). Affixed to the apex of stack (32) is friction surface (36) which is held in contact with the external friction surface of a positionable object (38).
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