Plastic molded type semiconductor device

Electricity: conductors and insulators – Feedthrough or bushing – Compression

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357 70, 357 75, 174 524, 361420, 361421, H01L 2328, H01L 2316, H01L 2952, H01L 2944

Patent

active

050499777

ABSTRACT:
A plurality of leads and two islands are arranged on a lead frame made of a conductive metal. Semiconductor chips, substrates of which have different thicknesses, are mounted on the two islands, and the lead frame is bent and formed such that the chip mounting surfaces of both the islands are lower than the upper surfaces of the corresponding leads by different amounts.

REFERENCES:
patent: 4788583 (1988-11-01), Kawahara et al.
patent: 4800419 (1989-01-01), Long et al.
patent: 4855807 (1989-08-01), Yamaji et al.

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