Method of making an insulator with a non-linear resistivity coat

Details Method of making an insulator with a non-linear resistivity coat Method of making an insulator with a non-linear resistivity coat

1975-11-03

1976-09-21

Weiffenbach, Cameron K.

Coating processes

Electrical product produced

Metallic compound coating

106 52, 106 54, 252516, 427376A, B05D 512

Patent

active

039820483

ABSTRACT:
This method of making a ceramic insulator with a stress-grading coating comprises applying to a ceramic body a coating material comprising particles of silicon carbide and a binder comprising a high-silica glass or high-silica glass-forming material, said glass or glass-forming material having a fusion temperature in the range of 1850.degree. F to 2350.degree. F. The coated ceramic body is fired in an argon atmosphere at a temperature in the range of 1850.degree. F to 2350.degree. F to form on the ceramic body a glaze coating that has non-linear resistivity properties.

REFERENCES:
patent: 3291759 (1966-12-01), Pitha
patent: 3509072 (1970-04-01), Barrington et al.
patent: 3573231 (1971-03-01), Subramanya et al.
patent: 3791859 (1974-02-01), Hirayama

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