Disc detector assembly having vacuum chamber

Details Disc detector assembly having vacuum chamber Disc detector assembly having vacuum chamber

H - Electricity

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L

62/3, 345/62

H01L 31/02 (2006.01) F25B 9/02 (2006.01) F25D 19/00 (2006.01) G01J 5/06 (2006.01)

Patent

CA 1265346

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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