Active solid-state devices (e.g. – transistors – solid-state diode – Lead frame – With heat sink means
Patent
1997-06-30
1999-07-27
Arroyo, Teresa M.
Active solid-state devices (e.g., transistors, solid-state diode
Lead frame
With heat sink means
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.
Aoki Tsuyoshi
Asano Yuichi
Kubota Akihiro
Sibasaki Koichi
Yonetake Kazuhiro
Arroyo Teresa M.
Fujitsu Limited
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