Non-linear voltage-dependent resistor

Details Non-linear voltage-dependent resistor Non-linear voltage-dependent resistor

1975-10-24

1977-06-21

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

29610R, 252518, H01C 710

Patent

active

040314987

ABSTRACT:
A non-linear voltage dependent resistor having a non-ohmic resistance element and an electrically insulating coating formed thereon, obtained by firing a formed element containing zinc oxide and a coating material applied thereon, at a temperature between 900.degree. and 1,400.degree. C, the coating material including a mixture of ZnO, SiO.sub.2, Bi.sub.2 O.sub.3 and Sb.sub.2 O.sub.3. There is formed a firm joint between the resistance element and the insulating coating and the insulating coating has a composition structure wherein fine constituent grains are closely packed whereby the occurrence of a flashover is prevented.

REFERENCES:
patent: 3857174 (1974-12-01), May
patent: 3872582 (1975-03-01), Matsuoka et al.

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