Temperature compensation type infrared sensor

Details Temperature compensation type infrared sensor Temperature compensation type infrared sensor

1991-01-30

1991-10-15

Yasich, Daniel M.

Thermal measuring and testing

Temperature measurement

By electrical or magnetic heat sensor

136230, 136213, 338 22R, 374129, G01K 702, G01K 710

Patent

active

050569295

ABSTRACT:
A temperature compensation type infrared sensor includes a substrate having a central pit and functioning as a heat sink with an insulation film formed on the top face of the substrate and defining a diaphragm located above the pit, a plurality of thermocouples disposed on the insulation film and connected in series with each of said thermocouples having a hot junction on said diaphragm and a cold junction on the heat sink, and a thermopile element including a black body on the central portion of the diaphragm in the insulation film for absorbing infrared rays with the thermopile element being placed on a thermistor chip for compensating temperature.

REFERENCES:
patent: 4456919 (1984-06-01), Tomita et al.
patent: 4472594 (1984-09-01), Ishida
patent: 4488824 (1984-12-01), Salem
patent: 4624582 (1986-11-01), Banda et al.
patent: 4722612 (1988-02-01), Junkert et al.
patent: 4772790 (1988-09-01), Aldridge
patent: 4804272 (1989-02-01), Schmitz

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