Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1996-05-23
1997-08-19
Choi, Kathleen
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428606, 428620, 420507, C22C 2800, C22C 502
Patent
active
056586647
ABSTRACT:
This invention provides a thin gold-alloy wire for a semiconductor device capable of improving long term reliability of bonding with an electrode and capable of simultaneously accomplishing reduction of a wire bend and wire flow at the time of resin molding and high looping.
The thin gold-alloy wire contains 50 to 3000 ppm by weight of Mn and the balance comprising gold and unavoidable impurities. Further, the thin gold-alloy wire comprises any of the following combinations 1, 2, 1+2, 2+3 and 1+2+3 when element groups to be added are classified into the following groups 1 to 3:
REFERENCES:
JP63-145729, Taneda et al. English translation Jun. 1988.
Kitamura Osamu
Ohno Yasuhide
Uno Tomohiro
Choi Kathleen
Nippon Steel Corporation
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