Infrared detector
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United States of America Patent
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-
Nov 9, 1993
Grant Date -
N/A
app pub date -
Mar 10, 1993
filing date -
Mar 10, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An infrared detector wherein an infrared detecting device can be cooled efficiently without increasing thermal stresses generated in the device body owing to cooling during the operation of the detector, and intrusion of ambient light can be prevented. A container for the infrared detecting device, which includes a bottom plate having a projection formed in the center thereof, is provided on an inner end portion of an inner cylinder constituting a dewar, and the infrared detecting device is placed on and secured to the projection of the bottom plate. The container bottom plate is made of an Invar, while the end portion of the inner cylinder is made of a Kovar or an Invar.
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