Spatial light modulator with multi-layer landing structures

Details Spatial light modulator with multi-layer landing structures Spatial light modulator with multi-layer landing structures

2008-06-03

2008-06-03

Choi, William C (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S295000, C359S198100

Reexamination Certificate

active

07382513

ABSTRACT:
A method of fabricating a spatial light modulator. The method includes providing a first substrate including a first bonding surface, forming a first layer coupled to the bonding surface, wherein the first layer is characterized by a first set of material parameters, and forming a second layer coupled to the first layer, wherein the second layer is characterized by a second set of material parameters. The method also includes patterning the first layer and the second layer to form a plurality of landing structures extending to a first distance from the bonding surface of the first substrate. The method further includes providing a second substrate including a second bonding surface, joining the first bonding surface of the first substrate to the second bonding surface of the second substrate, and forming a plurality of moveable mirrors from the second substrate. During operation, the moveable mirrors make contact with the second layer.

REFERENCES:
patent: 5447600 (1995-09-01), Webb
patent: 7167298 (2007-01-01), Pan

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