Heat spreader with high heat flux and high thermal conductivity
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United States of America Patent
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Issued Date -
Sep 18, 2008
app pub date -
Oct 23, 2007
filing date -
Oct 23, 2006
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Abandoned
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Abstract
A heat spreader for transferring heat from a heat source to a heat sink using a phase change coolant, includes an array of cells, each cell having at least one microporous wick for supporting flows of the coolant in the liquid phase, via capillary action, within the spreader from proximate the heat sink to proximate the source and at least one macroporous wick for supporting flows of the coolant, in the liquid and vapor phase, within the spreader from proximate the source to proximate the heat sink.
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