Electricity: conductors and insulators – Feedthrough or bushing – Compression
Patent
1990-12-07
1992-04-07
James, Andrew J.
Electricity: conductors and insulators
Feedthrough or bushing
Compression
357 74, 174256, 361398, H01L 3902
Patent
active
051032937
ABSTRACT:
Disclosed are an electronic package and electronic package module. The module has a dielectric core with surface circuitization on at least one surface. The dielectric core is a composite having a thermoplastic layer interposed between two separate layers of thermoset adhesive, as epoxy dicyanate adhesive. The thermoplastic layer is preferably a polyimide. The adhesive is preferably an epoxy or dicyanate adhesive, for example a homogeneous film of thermoset resin, or a fiber reinforced thermoset resin, such as a polytetrafluorethylene reinforced epoxy or a glass fiber reinforced adhesive. The use of a thermoplastic polyimide layer interposed between adhesive layers provides a core that is particularly amenable to manufacture as a thin core.
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Bonafino Edward J.
Carpenter Richard W.
Lueck Peter J.
Summa William J.
Wang David W.
Crane Sara W.
Goldman Richard M.
International Business Machines - Corporation
James Andrew J.
LandOfFree
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