Importance

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Abstract

A three dimensional module for housing a plurality of integrated circuit chips is shown. The IC chips are mounted in rows on a plurality of substrates. Parallel to each row are communications bars which provide signal paths allowing chips on one substrate to communicate with those on another substrate. The communications bars also serve as spacers between substrates, thereby forming cooling channels. The IC chips are disposed in the cooling channels so that they come into direct contact with the cooling fluid. Signal lines to and from the IC chips are kept as separated as possible from the power lines so as to minimize noise. To this end, relatively thick power supply straps are mounted to each substrate below each row of IC chips. The power supply straps are, in turn, connected to power feed straps such that a very low impedance power supply path to the IC chips is maintained. The overall design of the three dimensional structure of the present invention is highly modular to facilitate high yield fabrication and repair.

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First Claim