Metal oxide varistor manufacture

Details Metal oxide varistor manufacture Metal oxide varistor manufacture

1979-06-25

1981-10-20

Barr, J. L.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252519, 252520, 252521, 338 20, H01B 106

Patent

active

042960029

ABSTRACT:
The method of manufacturing metal oxide varistors wherein pressed blocks of selected mixtures of metal oxide powders and additives are joined to form a single varistor unit by vertically stacking and firing the blocks at a high temperature. Sintering of these stacked blocks during the firing cycle results in a strong mechanical and electrical bond between the adjacent blocks in the stack.

REFERENCES:
patent: 3899451 (1975-08-01), Ichinose et al.
patent: 3953373 (1976-04-01), Matsura et al.
patent: 3953375 (1976-04-01), Nagano et al.
patent: 3959543 (1976-05-01), Ellis

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