Vapor deposition of cermet layers

Details Vapor deposition of cermet layers Vapor deposition of cermet layers

1975-04-30

1976-10-12

Talbert, Jr., Dennis E.

Coating processes

Electrical product produced

Resistor for current control

427229, 427252, 427377, 427248E, 148 63, C23C 1702, C23C 1100

Patent

active

039859193

ABSTRACT:
A metal oxide vapor, such as tungsten oxide, is reacted with a ceramic material, such as aluminum oxide, at a temperature in the range of from about 1300.degree.C to about 1400.degree.C. The metal oxide vapors diffuse into the ceramic material during the reaction. The ceramic material, which now includes tungsten oxide diffused therein, is then subjected to a reducing atmosphere so as to form a cermet region in the ceramic material.

REFERENCES:
patent: 3051592 (1962-08-01), Woerner
patent: 3189476 (1965-06-01), Cowan
patent: 3215555 (1965-11-01), Krey
patent: 3514324 (1970-05-01), Koppius
patent: 3537888 (1970-11-01), Schwyn

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