MEMS actuator for piston and tilt motion

Details MEMS actuator for piston and tilt motion MEMS actuator for piston and tilt motion

2006-02-07

2006-02-07

Sugarman, Scott J. (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C310S309000

Reexamination Certificate

active

06995895

ABSTRACT:
A MEMS device having a spring structure formed by two flexible beams attached between a substrate and a movable bar. When non-end sections of the beams are pulled in opposite directions, the beam ends attached to the movable bar pull that bar toward the substrate, thereby transforming in-plane motion of the non-end sections into out-of-plane motion of the movable bar. When the non-end sections are displaced symmetrically, the movable bar translates toward the substrate. Alternatively, when the non-end sections are displaced non-symmetrically, the movable bar rotates with respect to the substrate. In one embodiment, each flexible beam is attached to a comb-shaped portion of a motion actuator, which has two such portions, each portion interleaved with the other portion and adapted to move with respect to the substrate and that other portion. When a voltage differential is applied between the portions, they move substantially parallel to the substrate, thereby deforming the beams and translating/rotating the movable bar.

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patent: 6771001 (2004-08-01), Mao et al.

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