MEMS Drive and Beam-Steering Apparatus
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United States of America Patent
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Issued Date -
Aug 28, 2014
app pub date -
Oct 31, 2013
filing date -
Nov 2, 2012
priority date (Note) -
Abandoned
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Abstract
A drive apparatus and a beam-steering apparatus fabricated from a MEMS process. The apparatus has a first layer, a second layer and a plurality of fluid-filled volumes defined there between. A plurality of flexible structures such as bellows structures are defined on the first layer and are configured whereby a predetermined pressure in each of the volumes results in a predetermined displacement of the flexible structures. Pressurization means selectively changes the pressures in each of the volumes to define the predetermined displacement of the flexible structures. An electromagnetically reflective or mirror element and a plurality of drive beams are affixed to the reflective element and to one of the plurality of flexible structures whereby selected pressurization of the fluid in the volumes causes a predetermined displacement of the flexible structure to displace the reflective element about the plane of its surface.
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