Cryogenically cooled radiation detection apparatus
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United States of America Patent
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Apr 26, 1988
Grant Date -
N/A
app pub date -
Jan 22, 1986
filing date -
Jan 22, 1986
priority date (Note) -
Expired
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Abstract
A radiation detection apparatus, such as for the detection of infrared radiation, is formed of inner and outer cylindrical stainless steel vessels with the inner vessels supported from the top wall of the outer vessel by a thin, relatively long stainless steel tube. A heat transfer mounting member is attached to the bottom of the inner vessel and extends outwardly and then upwardly between and out of contact with the vessels to the position of a window opening within the outer vessel. A detector device is affixed in good thermal contact with the mounting member at the position of the window and thus is maintained substantially at the temperature of the bottom surface of the inner vessel. The surfaces of the inner and outer vessels may be highly polished to prevent heat transfer to the inner vessel by infrared radiation. The use of stainless steel for the outer vessel also allows utilization of a vacuum port window structure having a metal gasket to minimize potential gas infiltration.
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