Process of ejecting an encapsulated semiconductor device from a mold by directly contacting exterior leads with ejector pins

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United States of America Patent

PATENT NO 5447888
SERIAL NO

08194343

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Abstract

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A process wherein the parts of a lead frame that are outside a cavity are directly supported by ejecting pins extending from above and from below when the lead frame is sandwiched between an upper die and a lower die. The ejecting pins eject the lead frame, on which a package is formed, after a resin mold process.

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Patent Owner(s)

Patent OwnerAddress
FUJITSU LIMITEDKAWASAKI-SHI KANAGAWA 211-8588
KYUSHU FUJITSU ELECTRONICS LIMITED5950 SOEDA IRIKI-CHO SATSUMA-GUN KAGOSHIMA 895-14

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Honda, Toshiyuki Kawasaki, JP 91 2182
Takashima, Akira Kawasaki, JP 133 2761
Waki, Masaki Kagoshima, JP 21 922

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