Copper alloy for use as lead material for semiconductor devices

Alloys or metallic compositions – Copper base – Zinc containing

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420490, C22C 904

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043661173

ABSTRACT:
A copper alloy for use as a lead material for semiconductor devices, which comprises 0.04-1.0% Ni, 0.01-0.3% Si, and 0.05-15% Zn, all by weight, and the remainder Cu and inevitable impurities. The alloy may contain, in addition to these, a total amount of 0.001-1.0% by weight of one or two or more elements as an accessory ingredient or ingredients selected from the group consisting of 0.001-0.1% by weight each of P and As and 0.01-0.5% by weight each of Ti, Cr, Sn, Mn, and Mg.

REFERENCES:
patent: 2027330 (1936-01-01), Wilkins
patent: 2028317 (1936-01-01), Buttesbaugh
patent: 2137282 (1938-11-01), Hensel et al.
patent: 2309100 (1943-01-01), Crampton et al.
patent: 3072508 (1963-01-01), Klement et al.
patent: 3926681 (1975-12-01), Wang
patent: 4015982 (1977-04-01), Saito et al.

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