Method of treating metal oxide varistors to reduce power loss

Details Method of treating metal oxide varistors to reduce power loss Method of treating metal oxide varistors to reduce power loss

1978-03-10

1979-04-10

Lanham, C. W.

Metal working

Method of mechanical manufacture

Electrical device making

338 21, H01B 108, H01C 114

Patent

active

041481356

ABSTRACT:
Metal oxide varistors having a uniform wattage gradient across the varistor surfaces are provided by removing a thin layer of metal oxide surface material from the periphery of the varistors prior to applying an insulating collar and a silicone rubber encapsulation for the purpose of heat dissipation.

REFERENCES:
patent: 3723175 (1973-03-01), Masuyama
patent: 3795048 (1974-03-01), Tachibana
patent: 3857174 (1974-12-01), May
patent: 3928245 (1975-12-01), Fishman
patent: 4031498 (1977-06-01), Hayashi

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