Method and apparatus for thermal gradient stabilization of micro

Details Method and apparatus for thermal gradient stabilization of micro Method and apparatus for thermal gradient stabilization of micro

1995-12-19

1998-06-09

Glick, Edward J.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250332, 25037015, G01J 516

Patent

active

057638853

ABSTRACT:
A thermal shunt apparatus directs heat flux transmitted through electrical signal leads from a focal plane array (FPA) to a relatively isothermal top surface of a TE cooler. The FPA mounts with a first thermally conductive attachment to a thermal spreader plate that is highly thermally conductive. The thermal spreader plate is mounted to the top surface of the TE cooler by a second thermally conductive attachment. The combination of the relatively isothermal surfaces, the FPA thermal spreader and the TE cooler top plate, separated by the thermally conductive interface, maintains a relatively constant temperature difference between the electrical leads connected between the thermal shunt and the FPA edge. The constant temperature difference provides for constant heat flux between these points and a constant temperature gradient across the surface of the FPA.

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International Search Report from International Patent Application PCT/US 96/20352, filed Dec. 18, 1996.

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