Selenidization passivation

Details Selenidization passivation Selenidization passivation

1987-07-29

1988-04-05

Niebling, John F.

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

204 561, 357 52, 357 61, H01L 3300

Patent

active

047361042

ABSTRACT:
A method of passivation of Hg.sub.1-x Cd.sub.x Te by anodic selenidization is disclosed; in preferred embodiments the selenidization is by anodic growing of the selenides in an electrolyte solution of sodium selenide in water and ethylene glycol or in a solution of sodium selenide plus sodium hydroxide in water and ethylene glycol. Also, infrared detectors incorporating such selenide passivated Hg.sub.1-x Cd.sub.x Te are disclosed.

REFERENCES:
patent: 3799803 (1974-03-01), Kraus et al.
patent: 3977018 (1976-08-01), Catagnus et al.
patent: 4132999 (1979-01-01), Maille et al.
patent: 4137544 (1979-01-01), Koehler
patent: 4447291 (1984-05-01), Schulte
patent: 4452675 (1984-06-01), Cipris et al.
patent: 4536260 (1985-08-01), Cocivera
patent: 4632886 (1986-12-01), Teherani et al.

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