Actuator for an optical-mechanical scanner and a method of using the actuator
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United States of America Patent
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Nov 28, 2006
Issued Date -
N/A
app pub date -
Jul 1, 2004
filing date -
Mar 27, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In an actuator for an optical mechanical scanner comprising a positioning element for an optical mirror wherein the positioning element is an electrically heatable flexible element consisting of a shape memory alloy having a Curie temperature and a transformation temperature, and wherein the flexible element is ferromagnetic when cold and can be bent in a first position by a magnet but is heated to exceed the Curie temperature and the transformation temperature so as to become paramagnetic whereby the flexible element becomes deformed in the opposite direction.
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