New type of multijunction thermopile IR detector

Details New type of multijunction thermopile IR detector New type of multijunction thermopile IR detector

Sep 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996spie.2894..146s&link_type=abstract

Proc. SPIE Vol. 2894, p. 146-149, Detectors, Focal Plane Arrays, and Applications, William G. Frederick; Junhong Su; Marc Wigdor

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A newly designed thin-film thermopile infrared detector, which as an absorption layer and a sensitive area on two sides are fabricated using integrated-circuit technology. The device uses a series-connected thermocouples array whose `hot' junction are supported on a thin Myler film of 1 - 3 micrometers thickness. By a special method of fasting the shadow mask, the thermopile with 48 Bi-Sb couples for 2 X 2 mm(superscript 2) area produces a responsivity of 50 - 70 V/W and relaxation time of about 70 ms.

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