Ceramic card assembly having enhanced power distribution and coo

Details Ceramic card assembly having enhanced power distribution and coo Ceramic card assembly having enhanced power distribution and coo

1987-07-06

1988-09-13

Tolin, G. P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

357 81, 361385, 361398, 361407, 361414, 439 67, 439329, H05K 720

Patent

active

047713666

ABSTRACT:
A ceramic card assembly which provides high density three dimensional semiconductor device packaging and overcomes the power distribution and thermal management problems that have impaired prior ceramic cards. The ceramic card assembly combines ceramic cards with flexible power distribution structures which provide low inductance and low resistance power distribution, making ceramic cards available for high performance VLSI systems. Each ceramic card assembly comprises a ceramic card having a plurality of chip sites and power contacts thereon, and at least one flexible power distribution structure having alternating insulation (i.e. polyimide) layers and conductor (i.e., copper) layers, the flexible power distribution structures are mounted adjacent to the ceramic cards so that conductive layers of the ceramic cards are selectively exposed to the power contacts. The ceramic card assemblies are preferably combined into a field replaceable unit that includes cold plates between ceramic cards. High density packages further include ceramic in-line packages which quadruple current day memory density.

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