Zinc oxide varistor composition not containing silica

Details Zinc oxide varistor composition not containing silica Zinc oxide varistor composition not containing silica

1980-06-06

1983-02-15

Barr, J. L.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252518, 338 20, 338 21, H01B 106

Patent

active

043740499

ABSTRACT:
Zinc oxide varistors having high resistance and exponent values are fabricated from a composition consisting essentially of the oxides of zinc, tin, bismuth, antimony, manganese, nickel, cobalt and boron. The composition does not contain barium oxide or silicon dioxide and still retains long term stability properties.

REFERENCES:
patent: 3928242 (1975-12-01), May
patent: 3928245 (1975-12-01), Fishman
patent: 3953373 (1976-04-01), Matsuura et al.
patent: 3999159 (1976-12-01), Matsugua et al.
patent: 4038217 (1977-07-01), Nambu et al.
patent: 4045374 (1977-08-01), Nagasawa et al.
patent: 4046847 (1977-09-01), Kresge

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