Method of making a non-linear voltage-dependent resistor

Details Method of making a non-linear voltage-dependent resistor Method of making a non-linear voltage-dependent resistor

1981-03-18

1983-02-15

Lusignan, Michael R.

Coating processes

Electrical product produced

Resistor for current control

29610R, 252518, 252521, 338 21, 4271263, B05D 512, H01C 710

Patent

active

043741606

ABSTRACT:
There is provided a method of making a non-linear voltage-dependent resistor containing a ZnO element including zinc oxide as its major component by forming or coating a layer of high insulation material on the element. The layer is formed due to a vapor-solid reaction in the atmosphere of a vaporizable molecular compound containing Sb.sub.2 O.sub.3, Bi.sub.2 O.sub.4 or SiO.sub.2 at a sintering temperature. Preferably, the layer is formed due to a vapor-solid reaction in the atmosphere of a vaporization retarding compound containing ZnO, or SiO.sub.2 in addition to the vaporizable molecular compound at a sintering temperature within a sintering vessel.

REFERENCES:
patent: 4031498 (1977-06-01), Hayashi et al.
patent: 4060661 (1977-11-01), Takami et al.

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