Resin sealing apparatus for use in manufacturing a resin-sealed

Details Resin sealing apparatus for use in manufacturing a resin-sealed Resin sealing apparatus for use in manufacturing a resin-sealed

1990-07-03

1991-10-01

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

249 95, 26427217, 425544, 425546, 425588, 425DIG228, B29C 4502, B29C 4527, B29C 4534

Patent

active

050529072

ABSTRACT:
A resin sealing apparatus that has separable molds having a pot in which resin is injected. The pot communicates with cavities, in which semiconductor chips are set, by runners. The runners lead the resin injected in the pot to the cavities. A recess is provided at the distal end of each runner to hold the resin and air pressed out from the runner.

REFERENCES:
patent: 3659821 (1972-05-01), Sakamoto et al.
patent: 3779506 (1973-12-01), Adams
patent: 4012025 (1977-03-01), Ernst et al.

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