Carbonaceous composite heat spreader and associated methods
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United States of America Patent
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app pub date -
Feb 10, 2005
filing date -
Oct 11, 2002
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Abandoned
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Abstract
A carbonaceous composite heat spreader includes a plurality of diamond grits present in an amount greater than about 50% by volume of the heat spreader and a metal matrix holding the diamond grits in a consolidated mass. The metal matrix contains at least about 50% aluminum by volume. The heat spreader can include a quantity of graphite, with the plurality of diamond grits being in substantially intimate contact with the graphite and with the metal matrix holding the graphite and the diamond grits in a consolidated mass. The quantity of graphite can include at least two distinct layers of graphite and the diamond grits can be arranged in a layer disposed between the layers of graphite.
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