Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1986-07-30
1988-08-16
Cashion, Jr., Merrell C.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
1562722, 1562751, 156292, 1563084, 1563096, 1563099, 1563798, 156383, 156556, 156567, 156580, 264 25, 264248, 26427217, 414744R, B32B 3104, B32B 3120
Patent
active
047642351
ABSTRACT:
An apparatus and method are described for sealing semiconductor packages made from a thermoplastic resin wherein a lead frame is positioned vertically at a center axis of the apparatus and a pair of mold parts having cavities for housing flat moldings are positioned symmetrically as to said center axis. With the described method and apparatus, sealed semiconductor packages with excellent sealing properties can be produced.
REFERENCES:
patent: 4056881 (1977-11-01), Holt
patent: 4108704 (1978-08-01), Horne
patent: 4119481 (1978-10-01), Beckley
patent: 4305897 (1981-12-01), Hazama
Arai Toshiyuki
Hazama Keiji
Ota Shin'ichi
Yamada Mituo
Cashion Jr. Merrell C.
Hitachi Chemical Company Ltd.
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