Process for producing gold plated contacts

Details Process for producing gold plated contacts Process for producing gold plated contacts

1981-06-26

1983-08-30

Douglas, Winston A.

Chemistry: electrical and wave energy

Processes and products

204 43G, C25D 550

Patent

active

044015240

ABSTRACT:
A process is described for heat-treating a gold contact surface so as to increase lifetimes and render it more reliable particularly for high current operation. A particular advantage of this procedure is that it can be carried out at a low enough temperature so that magnetic properties of certain types of contacts will not be affected.

REFERENCES:
patent: 3551302 (1970-12-01), Woods et al.
patent: 3711383 (1973-01-01), Schiekel et al.
Ch. J. Raub et al., The Properties of Gold Electrodeposits . . . , Plating and Surface Finishing, Jan. 1976, pp. 35-40.
E. Raub, Theoretical and Practical Aspects of Alloy Plating, Plating and Surface Finishing, Mar. 1976, pp. 30-43.
M. R. Pinnel et al., The Metallurgy of Remendur . . . , The Bell System Technical Journal, vol. 52, No. 8, (Oct. 1973), pp. 1325-1340.
M. R. Pinnel, Magnetic Materials for Dry Reed Contacts, IEEE Transactions on Magnetics, vol. MAG-12, No. 6, (Nov. 1976), pp. 789-794.
Metal Finishing Guidebook and Directory 1978, Nathaniel Hall, editor, Metals and Plastics Publications, Inc., Hackensack, N.J. pp. 236, 240, 246, 248.
M. R. Pinnel et al., Influence of Annealing Temperature . . . , IEEE Transactions on Magnetics, vol. MAG-11, No. 3 (May, 1975), pp. 901-907.
J. A. Augis et al., A New Mechanism for Lateral Erosion, IEEE Transactions on Components, Hybrids, and Manufacturing Technology, vol. CHMT-3, No. 2, (Jun. 1980), pp. 292-296.

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