Infrared detector of the type used in infrared spectrometers
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United States of America Patent
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Jul 13, 1993
Grant Date -
N/A
app pub date -
Apr 30, 1992
filing date -
Apr 30, 1992
priority date (Note) -
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Abstract
An infrared detector assembly for infrared spectrometers includes a circuit board on which electronic components and an infrared detector and cooler unit are mounted. The detector unit includes a thermal electric cooler which cools the detector and transfers heat to a flange of the detector unit. A front side heat sink is mounted to the flange to dissipate heat to the air on the front side of the circuit board. Heat is also transferred from the flange of the heat detector unit by a heat conductive post or posts through openings in the circuit board to a heat sink mounted to the back side of the circuit board. The back side heat sink can include an adjustment plate to which the circuit board is detachably mounted and which is itself mounted on an assembly which allows lateral adjustment of the position of the circuit board and the detector thereon. Adequate cooling of the detector is thus obtained through heat transfer to the front side and back side heat sinks, while allowing the entire circuit board and detector unit to be detached from the adjustment plate when it is necessary to replace the detector or the circuit board electronics.
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