Disc detector assembly having vacuum chamber

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

1985-08-07

1988-08-23

Church, Craig E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

62514R, 62514JT, G01J 516

Patent

active

047663162

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.

REFERENCES:
patent: 3851173 (1974-11-01), Taylor et al.
patent: 4041314 (1977-08-01), Oppelt
patent: 4386505 (1983-06-01), Little
patent: 4474036 (1984-10-01), Ball et al.
patent: 4488414 (1984-12-01), Jungkman et al.
patent: 4491729 (1985-01-01), Stahl et al.
patent: 4555626 (1985-11-01), Suzuki
"Small Wonders", Microminiature Refrigerators for Cooling Detectors" by Wolfe et al., Photonics Spectra Jul. 1983.

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