Carbonaceous composite heat spreader and associated methods
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United States of America Patent
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Jan 10, 2006
Issued Date -
N/A
app pub date -
Jun 2, 2003
filing date -
Oct 11, 2002
priority date (Note) -
Expired
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Abstract
A heat spreader including a plurality of carbonaceous particles present in an amount of at least about 50% by volume of the heat spreader. A non-carbonaceous infiltrant is also present in an amount of at least about 5% by volume of the heat spreader, the non-carbonaceous infiltrant including an element selected from the group consisting of Cu, Al and Ag. In another aspect, the carbonaceous particles may be sintered or fused directly to one another. The heat spreader can be incorporated into a cooling unit for transferring heat away from a heat source, which includes a heat sink with the heat spreader disposed in thermal communication with both the heat sink and the heat source.
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