Reflective spatial light modulator
First Claim
Patent Images
1. A micro mirror comprising:
- frame having an upper surface and a lower surface defining a frame height;
a hinge connected to the frame; and
a mirror plate having an upper surface and a lower surface defining a mirror plate thickness less than the frame height, wherein each of the frame, the hinge, and the mirror plate are fabricated from a single continuous piece of material.
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Abstract
A micro-mirror array that is useful, for example, in a reflective spatial light modulator. In one embodiment, the micro mirror array includes spacer support walls, a vertical torsion hinge, and a mirror plate, all being fabricated from a single wafer. The micro-mirror array has a large fill ratio.
9 Citations
21 Claims
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1. A micro mirror comprising:
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frame having an upper surface and a lower surface defining a frame height; a hinge connected to the frame; and a mirror plate having an upper surface and a lower surface defining a mirror plate thickness less than the frame height, wherein each of the frame, the hinge, and the mirror plate are fabricated from a single continuous piece of material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 12, 13, 14, 15, 16, 17, 18)
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8. A spatial light modulator comprising:
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a plurality of micro mirrors in an array, each micro mirror in the array having a mirror plate with an upper surface and a lower surface defining a mirror plate thickness; a plurality of hinges, each hinge connected to a mirror plate; a frame with a plurality of support walls characterized by a wall height greater than the mirror plate thickness, each hinge connected to at least one support wall, for supporting the hinge and the mirror plate, wherein the mirror plates, the hinges, and the frame are fabricated from a single continuous piece of material. - View Dependent Claims (9, 10, 11, 19, 20, 21)
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Specification