Method of making ceramic semiconductor elements with ohmic conta

Details Method of making ceramic semiconductor elements with ohmic conta Method of making ceramic semiconductor elements with ohmic conta

1975-02-03

1976-06-08

Weiffenbach, Cameron K.

Coating processes

Electrical product produced

Condenser or capacitor

252512, 252518, 252521, 427 88, 427123, 427126, 427372, 427403, 427419, B05D 512

Patent

active

039624870

ABSTRACT:
Ceramic semiconductor elements having ohmic contact surfaces are made by dispersing bentonite clay in a bonding composition consisting of a metal powder in a phosphate-chromate-metal ion solution to form a thixotropic coating material, by screen printing the coating material onto limited surface areas of ceramic semiconductor bodies, and by heating the coated bodies for curing the coating material to form adherent ohmic contact layers on the limited surface areas of the ceramic bodies.

REFERENCES:
patent: 3248251 (1966-04-01), Allen

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