Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1990-07-09
1991-03-26
Thompson, Gregory D.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
165 803, 165185, 174 163, 357 81, 361383, 361398, H05K 720
Patent
active
050034294
ABSTRACT:
An electronic package which includes at least two flexible circuitized substrates (e.g., thin film elements) connected at one location to a common first circuitized substrate (e.g., printed circuit board) and at another location to a semiconductor device, these subassemblies being located within a base member of the package. In one embodiment, a singular heat sink member is thermally coupled to a respective one of the semiconductor devices, and a common, second heat sink member is thermally coupled to all of the first heat sink members. This common heat sink member also uniquely serves as a stiffener for the package. In another embodiment, a common heat sink member is securedly positioned on the opposite side of a first circuitized substrate from the plurality of flexible circuitized substrates and semiconductor devices. A base member is also used as part of this package. As in the aforementioned other embodiment, the common heat sink member also serves as a stiffener.
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Baker Don L.
Funari Joseph
Otto William F.
Sammakia Bahgat G.
Stutzman Randall J.
Fraley Lawrence R.
International Business Machines - Corporation
Thompson Gregory D.
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