Method of manufacturing an infra-red detector device

Details Method of manufacturing an infra-red detector device Method of manufacturing an infra-red detector device

1980-08-15

1982-03-09

Weisstuch, Aaron

Metal working

Method of mechanical manufacture

Assembling or joining

148 15, 148188, 148191, 204 37R, 204 56R, H01L 3118

Patent

active

043182178

ABSTRACT:
In the manufacture of an infra-red detector device, at least a portion of a surface of a body of mercury cadmium telluride is subjected to a conversion treatment to produce a surface layer, after which a heating step is performed. The present invention involves a simple and reproducible process for forming in the body a p-n junction of sufficiently good quality for such a detector which can be of a planar form so as to facilitate the formation of the detector element arrays in the body and the provision of contacts to the detector elements.

REFERENCES:
patent: 3977018 (1976-08-01), Catagnus et al.
patent: 4206003 (1980-06-01), Koehler
G. Cohen-Solal et al., "Sputtered Mercury Cadmium Telluride Photodiode", Infrared Physics, vol. 16, pp. 555-559 (1976).

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