Corrosion-resistant aluminum electronic material

Details Corrosion-resistant aluminum electronic material Corrosion-resistant aluminum electronic material

C - Chemistry, Metallurgy

22

C

75/1, 13/20

C22C 5/00 (2006.01) C22C 21/00 (2006.01) H01L 23/31 (2006.01) H01L 23/49 (2006.01)

Patent

CA 1223138

ABSTRACT OF THE DISCLOSURE A corrosion-resistant aluminum electronic material comprising an alloy containing aluminum as the principal component and, in addition, a small amount of a noble metal, the content of said noble metal being equal to or less than that at the eutectic point having the primary crystal of aluminum. As the noble metal, there is contained at least one metal selected from Pt, Pd, Rh, Ir, Os, Ru, Au and Ag. Said electronic material is used for ball-bonding wire and distributing film in a semiconductor device, and the like.

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