Method of manufacturing a contact construction material structur

Details Method of manufacturing a contact construction material structur Method of manufacturing a contact construction material structur

1987-11-23

1989-04-18

Childs, Sadie

Coating processes

Coating by vapor, gas, or smoke

Metal coating

20419215, 20419216, 427125, 4273768, 427405, C23C 1606

Patent

active

048226416

ABSTRACT:
In a method of manufacturing a contact construction material structure a corrosion resistant contact layer of silver, palladium, or alloys thereof is applied to a metal base, a gold coating is applied to the contact layer surface by molecular gold material deposition and the contact construction structure is then heated to 350.degree. to 650.degree. C. for a short period of time to cause diffusion of the gold coating into the corrosion resistant contact layer to further improve its corrosion resistance.

REFERENCES:
patent: 3028663 (1962-04-01), Iwersen et al.
patent: 3218194 (1965-11-01), Maissel
patent: 3917885 (1975-11-01), Baker
patent: 4309460 (1982-01-01), Singh et al.
patent: 4309461 (1982-01-01), Shibata
patent: 4475991 (1984-10-01), Shibata
patent: 4521257 (1985-06-01), Gevatter et al.
Wood et al, "The Diffusion of Gold Through Polycrystalline Silver in Thin Films at Temperatures Near 150.degree. C.", Thin Solid Films, vol. 29, 1975, pp. 359-364.

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