Semiconductor device

Details Semiconductor device Semiconductor device

1983-10-20

1985-02-19

Edlow, Martin H.

357 71, H01L 2348

Patent

active

045009040

ABSTRACT:
A solder joint between a semiconductor substrate and an electrode is disclosed in which that principal surface of the semiconductor substrate where an n-type semiconductor layer is exposed is bonded to the electrode with brazing solder, and the brazing solder includes aluminum solder provided on the side of the semiconductor substrate and copper solder provided on the side of the electrode. Since solid phase adhesion can be achieved between aluminum and copper even at temperatures below an eutectic temperature of 548.degree. C., the semiconductor substrate can be soldered to the electrode at the low temperatures.

REFERENCES:
patent: 3341753 (1967-09-01), Cunningham
patent: 3368124 (1968-02-01), Ditrick
patent: 3445301 (1969-05-01), Topar
patent: 3609470 (1971-09-01), Kurpa
patent: 3737340 (1973-06-01), Maeda et al.

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