Metal working – Method of mechanical manufacture – Electrical device making
Patent
1975-04-28
1976-05-18
Tupman, W.
Metal working
Method of mechanical manufacture
Electrical device making
29576S, 228110, 228123, 228180A, 228263, B01J 1700
Patent
active
039568210
ABSTRACT:
A method of attaching semiconductor die to package substrates, which employs a zinc-aluminum alloy. The alloy is formed into the shape of a platelet. The platelet is melted on the die attach surface of a package substrate, and the semiconductor die is bonded to the substrate by cooling to solidify the alloy.
REFERENCES:
patent: 3544857 (1970-12-01), Byrne
patent: 3698075 (1972-10-01), Boyle
patent: 3844029 (1974-10-01), Dibugnara
patent: 3883946 (1975-05-01), Dale
patent: 3922775 (1975-12-01), Potter
Fairchild Camera and Instrument Corporation
MacPherson Alan H.
Richbourg J. Ronald
Tupman W.
Woodward Henry K.
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