Spatial light modulator and method
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United States of America Patent
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Dec 15, 1992
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N/A
app pub date -
Apr 16, 1992
filing date -
Oct 30, 1985
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Abstract
An electrostatically deflectable beam spatial light modulator with the beam composed of two layers of aluminum alloy and the hinge connecting the beam to the remainder of the alloy formed in only one of the two layers; this provides a thick stiff beam and a thin compliant hinge. The alloy is on a spacer made of photoresist which in turn is on a semiconductor substrate. The substrate contains addressing circuitry in a preferred embodiment.
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