Electricity: electrical systems and devices – Miscellaneous
Patent
1990-01-19
1991-06-11
Picard, Leo P.
Electricity: electrical systems and devices
Miscellaneous
361397, 361399, 361412, 361413, 361424, H05K 714
Patent
active
050237543
ABSTRACT:
A double-sided backplane assembly is provided for increasing the logic element density in a logic cage or CEC. The backplane assembly is multi-layered with a backplane card centrally located between a stiffener and an EMC shield affixed to each side thereof. Connectors for connecting logic elements to the backplane card are provided on both sides of the backplane card, so that a logic cage having two sub-cages may be provided, the two sub-cages sharing the one backplane assembly.
REFERENCES:
patent: 4876630 (1989-10-01), Dara
patent: 4900948 (1990-02-01), Hamilton
IBM Tech. Discl., "Double-Board Arrangement", F. Tsui et al., 11/70, vol. 13, No. 6.
Aug Conrad J.
Casanova Wayne J.
Corfits William D.
Dimmick Roger F.
Wheeler Stephen E.
International Business Machines - Corporation
Picard Leo P.
Sjoquist Paul L.
Sparks Donald A.
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