Lead frame for a semiconductor device

Details Lead frame for a semiconductor device Lead frame for a semiconductor device

1975-10-30

1977-12-27

Truhe, J. V.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having aperture or cut

174 52FP, 357 70, 428336, 428620, 428653, B23P 320, H01L 2348

Patent

active

040656250

ABSTRACT:
A lead frame for a semiconductor device, wherein a semiconductor chip-mounting portion, inner lead portions to be connected to the electrodes of said chip and outer lead portions connected to the inner lead portions are each formed of an iron core strip, both sides of which are clad with a layer of aluminum or alloy thereof.

REFERENCES:
patent: 2818360 (1957-12-01), Porter
patent: 3469953 (1969-09-01), St. Clair et al.
patent: 3705023 (1972-12-01), Fister
patent: 3714370 (1973-01-01), Nixen et al.

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