Voltage responsive switches and methods of making

Details Voltage responsive switches and methods of making Voltage responsive switches and methods of making

1976-03-15

1977-08-30

La Roche, Eugene R.

Electric lamp and discharge devices: systems

Plural load device systems

Sequential starting

252518, 338 21, 431 95A, H01C 710, F21K 502

Patent

active

040457125

ABSTRACT:
A method of making a voltage sensitive switch characterized by an irreversible change in resistance from a high resistance state greater than one megohm to a low resistance state less than approximately one hundred ohms is described as comprising heating substantially pure grade copper in an oxidizing environment for a sufficient time to oxidize the outer surface of the copper powder, mixing the oxidized copper powder with a binder and applying the mixture to a pair of spaced electrodes.

REFERENCES:
patent: 3969066 (1976-07-01), Smialek et al.

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