Universal focal plane dewar assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 19, 1999
Grant Date -
N/A
app pub date -
Jun 5, 1998
filing date -
Jun 5, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A universal focal plane DEWAR assembly for cryogenic cooling of an infrared detector DEWAR, which includes an infrared transmissive window attached to a hollow support cylinder under vacuum conditions, with a glass bore in the cylinder, which contains focal plane infrared structure inside of a cold shield, which is attached to a cold plate, with a cold button in contact therewith, and with a cold finger from a cryogenically cooled expander, which is spring mounted in the glass bore for removal and replacement without disturbing the focal plane structure.
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