ACTUATOR FOR AN OPTICAL-MECHANICAL SCANNER AND A METHOD USING SAID ACTUATOR

European Patent Office Patent

PATENT NO 1488103
APP PUB NO EP-1488103-A1
SERIAL NO

03744790

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
FORSCHUNGSZENTRUM KARLSRUHE GMBHDE76133 KARLSRUHE

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Inventor(s)

Inventor Name Address
TAKAGI TOSHIYUKI KANAGAWA
KOHL MANFRED 76297 STUTENSEE
OHTSUKA MAKOTO 〒9808577 宮城県仙台市青葉区片平二丁目１番１号 国立大学法人東北大学内 MIYAGI ?9808577
YAMAUCHI KOYOSHI TOKIN CORPORATION 6-7-1 KORIYAMA TAIHAKU-KU SENDAI 982

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