Semiconductor device and heat sink used therein

Active solid-state devices (e.g. – transistors – solid-state diode – Lead frame – With heat sink means

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Details

257707, 257796, H01L 2328, H01L 2310, H01L 23495

Patent

active

059295139

ABSTRACT:
The present invention relates to a semiconductor device in which inner leads of a lead frame are electrically connected to a semiconductor chip, a method for producing thereof and a lead frame used therein. The object of the present invention is to improve a strength of the lead frame and a heat release efficiency in a small-size multi-pin type semiconductor device. In the inner lead of the lead frame, a thin plate portion is formed. The thin plate portions are secured on a heat spreader. A semiconductor chip is mounted on the heat spreader. The semiconductor chip is bonded to the thin plate portions of the inner leads through wires.

REFERENCES:
patent: 4204317 (1980-05-01), Winn
patent: 5227662 (1993-07-01), Ottno et al.

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