Infrared detector with improved heat dissipation

Details Infrared detector with improved heat dissipation Infrared detector with improved heat dissipation

1986-12-19

1988-07-05

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

25037001, G01J 100, G01T 122

Patent

active

047556765

ABSTRACT:
An infrared detector has its sensor chip assembly (10,12,14) cooled to a relatively low temperature required for its operation, whereas a preamplifier (56) required to be positioned close to the sensor chip assembly and which generates considerably more heat than does the sensor chip assembly, is thermally isolated from the sensor chip assembly and its support (16) and is cooled to a higher temperature to thereby significantly reduce the power dissipated to the coldest refrigerator stage (90).

REFERENCES:
patent: 4421985 (1983-12-01), Billingsley et al.
patent: 4488414 (1984-12-01), Jungkman et al.
patent: 4621279 (1986-11-01), Maier et al.
patent: 4645931 (1987-02-01), Gordon et al.

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