PIEZOELECTRIC ACTUATOR, LINEAR DRIVING DEVICE, AND ELECTRONIC APPARATUS
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United States of America Patent
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Issued Date -
Feb 25, 2016
app pub date -
Aug 11, 2015
filing date -
Aug 25, 2014
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Abstract
A piezoelectric actuator, a linear driving device, and an electronic apparatus that are able to be miniaturized are provided. The piezoelectric actuator includes a vibration member in which a planar piezoelectric element and an electrode plate are affixed each other with their planar surfaces being stuck together and a driving shaft fixed to the vibration member. The vibration member has an outline having a plurality of vertexes and a plurality of sides connecting the neighboring vertexes, and the electrode plate has a connecting member for electric current which protrudes from at least one sides of the vibration member.
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