Polymer actuator and optical unit
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United States of America Patent
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Jun 1, 2010
Grant Date -
Aug 28, 2008
app pub date -
Feb 21, 2008
filing date -
Feb 27, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An object of the present invention is to provide a polymer actuator that does not need a special member for determining the output direction of the drive force or a support member, and which is simply configured with a small number of parts and is compact and low-cost. The present invention provides a polymer actuator that includes electrodes which are inelastic in a planar direction and sandwich a stretching portion of a dielectric polymer with a gradient in thickness, and also provides an optical system including the polymer actuator.
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