Disc detector assembly having vacuum chamber
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United States of America Patent
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Aug 23, 1988
Grant Date -
N/A
app pub date -
Aug 7, 1985
filing date -
Aug 7, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A miniature, evacuated and hermetically sealed detector refrigerator assembly for use in infrared imaging systems incorporates a miniature Joule-Thomson laminar refrigerator which serves as the substrate for the detector subassembly, electrical leads, as well as the primary structural element of the assembly. The detector subassembly is positioned on the cold region of the refrigerator, surrounded by a vacuum chamber and capped by an optical window or filter as required. As a result, the detector is cooled in a small and relatively inexpensive package that can operate intermittently or continuously, as desired.
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