Semiconductor device and carrier for carrying semiconductor devi

Details Semiconductor device and carrier for carrying semiconductor devi Semiconductor device and carrier for carrying semiconductor devi

1992-10-16

1995-12-12

Hille, Rolf

Active solid-state devices (e.g., transistors, solid-state diode

Housing or package

With contact or lead

257687, 257706, 257730, H01L 2302, H01L 2312, H01L 2348, H01L 2940

Patent

active

054752590

ABSTRACT:
A semiconductor device comprises a plurality of leads respectively made up of an inner lead and an outer lead, a semiconductor chip electrically connected to the inner leads of the leads, and a package encapsulating at least the inner leads of the leads and the semiconductor chip so that the outer leads extend outwardly of the package. The package has an upper part and a lower part which have mutually different sizes such that a stepped part is formed between the upper and lower parts by the different sizes, and each of the outer leads have a wide part which is wider than other parts of the outer lead extending outwardly of the package only within the stepped part of the package.

REFERENCES:
patent: 3963315 (1976-06-01), Bonis
patent: 4218701 (1980-08-01), Shirasaki
patent: 4711700 (1987-12-01), Cusack
patent: 4714952 (1987-12-01), Takekawa et al.
patent: 4806503 (1989-02-01), Yoshida et al.
patent: 4881639 (1989-11-01), Matsuoka et al.
patent: 5026303 (1991-06-01), Matsuoka et al.
patent: 5198964 (1993-03-01), Ito et al.
patent: 5224021 (1993-06-01), Takada et al.
patent: 5250841 (1993-10-01), Sloan et al.
RESEARCH DISCLOSURE, "Floating Quadfiner Carrier Operation-Formed Quadpack into Carrier," No. 313, pp. 447-448, May 1990, Havant GB.

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