Nonlinear resistor material and method of manufacture

Details Nonlinear resistor material and method of manufacture Nonlinear resistor material and method of manufacture

1975-06-23

1977-01-18

Lovering, Richard D.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252518, 252520, 252521, 338 20, H01B 108

Patent

active

040038556

ABSTRACT:
The zinc oxide grain size and breakdown voltage characteristics of polycrystalline zinc oxide varistors may be controlled by adjusting sintering times and temperatures.
Varistor ceramics formed by sintering constituent metal oxides for long periods are found to have substantially different microstructure from prior art varistors.

REFERENCES:
patent: 3663458 (1972-05-01), Masuyama et al.
patent: 3682841 (1972-08-01), Matsuoka et al.
patent: 3687871 (1972-08-01), Masuyama et al.
patent: 3903226 (1975-09-01), Iga et al.
patent: 3905006 (1975-09-01), Matsuoka et al.
patent: 3953373 (1976-04-01), Matsuura et al.

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