Metal treatment – Compositions – Heat treating
Patent
1976-07-26
1977-09-20
Dean, R.
Metal treatment
Compositions
Heat treating
134 2, 134 3, 134 41, 148 206, 204 35R, 204 37R, 427125, 427352, 427383C, 427444, C22F 114
Patent
active
040494713
ABSTRACT:
A technique is described for stabilizing gold plated electrical contacts wherein the contacts are treated with an oxidizing agent at elevated temperatures, so resulting in a contact structure which does not evidence resistance drift during subsequent thermal aging. Additionally, the technique may be used to reduce the contact resistance of thermally aged contacts which were not subjected to the foregoing preparative process.
REFERENCES:
patent: 3314827 (1967-04-01), Vries
Bell Telephone Laboratories Incorporated
Dean R.
Fink Edward M.
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