Polymer actuator and optical unit

Details Polymer actuator and optical unit Polymer actuator and optical unit

2008-02-21

2010-06-01

Stultz, Jessica T (Department: 2873)

Optical: systems and elements

Lens

With support

Reexamination Certificate

active

07729068

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.

REFERENCES:
patent: 5161128 (1992-11-01), Kenney
patent: 2006/0208610 (2006-09-01), Heim
patent: 2007/0122132 (2007-05-01), Misawa et al.
patent: 2007/0200468 (2007-08-01), Heim
patent: 2009/0161239 (2009-06-01), Verhaar et al.
patent: 2003-505865 (2003-02-01), None
patent: 2004-282992 (2004-10-01), None
patent: WO 0106575 (2001-01-01), None

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