Thermal mismatch accommodated infrared detector hybrid array
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United States of America Patent
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May 3, 1994
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N/A
app pub date -
Aug 11, 1992
filing date -
Feb 20, 1991
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Abstract
A hybrid infrared focal plane array detector employs a detector layer and transparent substrate bonded to a thin semiconductor readout integrated circuit and thicker readout circuit substrate. The readout circuit is rigidly bonded to the readout substrate to form a composite structure having a thermal coefficient of expansion substantially matching that of the detector portion. The hybrid device may be cooled from room temperature to cryogenic operation temperatures without thermal mismatch structural problems.
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