Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1996-11-26
1998-08-11
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
361768, 361769, 439 66, 439 73, 439331, 257726, 257727, H01R 13629
Patent
active
057936188
ABSTRACT:
A technique for applying uniform force to an IC chip module, urging the module into electrical contact with one face of a circuit board, is provided. One face of the board has contact pads, and the module has contact members on one surface corresponding to the contact pads. A first clamping member is provided having a pressure applying section and a reaction section mounted for movement toward and away from each other. A second clamping member having a pressure applying section is provided. The module is interposed between the pressure applying element of one of the clamping members and the substrate with the contact members on the module in electrical contact with the pads on the board. Several pins interconnect the reaction section of the first clamping member and the second clamping member to restrain movement of the reaction section of the first clamping member away from the second clamping member. At least one biasing member, preferably including a belville washer, is interposed between the reaction section and the pressure applying section of the first clamping member urging the reaction section and the force applying section away from each other to thereby exert force against the module urging it into electrical connection with the pads on the board. Also, preferably a locator is provided to locate the planar element, and an interposer is provided between the contacts on the planar element and the contacts on the substrate. The interposer has vias terminated at both ends in dendrites.
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patent: 5334029 (1994-08-01), Akkapeddi et al.
patent: 5468158 (1995-11-01), Roebuck et al.
patent: 5473510 (1995-12-01), Dozier, II
Chan Benson
Nesky Robert William
International Business Machines - Corporation
Picard Leo P.
Vigushin John B.
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