Thermally actuated micro mirror and electronic device

Details Thermally actuated micro mirror and electronic device Thermally actuated micro mirror and electronic device

2005-01-11

2005-01-11

Sikder, Mohammad (Department: 2872)

Optical: systems and elements

Mirror

With support

C359S873000, C359S224200

Reexamination Certificate

active

06840642

ABSTRACT:
A thermally actuated micro mirror includes a mirror surface, and a support structure section having a multilayer structure to support the mirror surface. The support structure section generates heat by the application of electricity thereto, and is deflected by a difference in coefficient of thermal expansion in the multilayer structure, thereby tilting the mirror surface at an arbitrary angle. The support structure section is disposed between the mirror surface and an electrode section for applying electricity. A longitudinal axis of the support structure section is perpendicular to the center axis of the mirror surface, and the longitudinal center of the support structure section is substantially placed on the center axis of the mirror surface. Therefore, the turning axis of the mirror surface is not displaced, and the light reflecting position does not move on the mirror surface.

REFERENCES:
patent: 06-180428 (1994-06-01), None
patent: 08-262364 (1996-10-01), None
patent: 2001-249300 (2001-09-01), None
patent: 2001-264672 (2001-09-01), None

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