Transfer molding apparatus having laminated chase block

Details Transfer molding apparatus having laminated chase block Transfer molding apparatus having laminated chase block

1996-11-26

1999-02-16

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Opposed registering coacting female molds

4251291, 4254514, 425444, 425544, 425556, 425588, 425DIG5, 425DIG28, 26427217, 249 67, B29C 4502

Patent

active

058717820

ABSTRACT:
An improved transfer molding apparatus has a laminated chase block with many sets, which is capable of fabricating a plurality of semiconductor packages. The apparatus includes an upper plate and a movable lower plate and a plurality of posts disposed between the upper and lower plates. A plurality of laminated chase blocks is fixed to the posts. A plurality of ejecting means are disposed at one side of the chase blocks and supply means concurrently supplies a molding compound to the plurality of chase blocks.

REFERENCES:
patent: 2409725 (1946-10-01), Whitmore et al.
patent: 3824062 (1974-07-01), Farrell
patent: 3924993 (1975-12-01), Terrell
patent: 4252293 (1981-02-01), Daley
patent: 5366368 (1994-11-01), Jang

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