Semiconductor device

Details Semiconductor device Semiconductor device

1995-06-05

1997-03-18

Saadat, Mahshid D.

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

Lead frame

257783, H01L 23495, H01L 2348, H01L 2352, H01L 2940

Patent

active

056125690

ABSTRACT:
As the semiconductor chip is large-sized, highly integrated and speeded up, it becomes difficult to pack the semiconductor chip together with leads in a package. In view of this difficulty, there has been adopted the package structure called the "Lead-On-Chip" or "Chip-On-Lead" structure in which the semiconductor and the leads are stacked and packed. In the package of this structure, according to the present invention, the gap between the leading end portions of the inner leads and the semiconductor chip is made wider than that between the inner lead portions except the leading end portions and the semiconductor chip thereby to reduce the stray capacity, to improve the signal transmission rate and to reduce the electrical noises.

REFERENCES:
patent: 4577214 (1986-03-01), Schaper
patent: 4862245 (1989-08-01), Pashby et al.

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