Overvoltage protection device and material

Details Overvoltage protection device and material Overvoltage protection device and material

1988-01-11

1990-12-11

Goldberg, E. A.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

252500, 338 20, H01C 710

Patent

active

049773577

ABSTRACT:
A material device for electronic circuitry that provides pro-tection from fast transient overvoltage pulses. The electroded device can additionally be tailored to provide electrostatic bleed. Conductive particles are uniformly dispersed in an insulating matrix or binder to provide material having non-linear resistance characteristics. The non-linear resistance characteristics of the material are determined by the interparticle spacing within the binder as well as by the electrical properties of the insulating binder. By tailoring the separation between conductive particles, thereby controlling quantum-mechanical tunneling, the electrical properties of the non-linear material can be varied over a wide range.

REFERENCES:
patent: 3210461 (1965-10-01), Berg et al.
patent: 4103274 (1978-07-01), Burgess et al.
patent: 4163204 (1979-07-01), Sado et al.
patent: 4252692 (1981-02-01), Taylor et al.
patent: 4331948 (1982-05-01), Malinaric et al.
patent: 4347505 (1982-08-01), Anderson
patent: 4726991 (1988-02-01), Hyatt et al.

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