Two-phase cross-connected micro-channel heat sink
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United States of America Patent
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Jul 9, 2013
Grant Date -
Jun 4, 2009
app pub date -
Feb 20, 2008
filing date -
Nov 30, 2007
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Abstract
An improved two-phase micro-channel heat sink has a plurality of flow micro-channels extending in parallel in a longitudinal direction for accommodating a flow of liquid coolant therein, and a plurality of cross-connected micro-channels extending in parallel in a transverse direction formed at regular intervals along the longitudinal direction for cross-connecting with the flow micro-channels. The cross-connected micro-channels enable a uniform pressure field to be maintained for two-phase flow boiling of liquid coolant in the heat sink. In a preferred embodiment, the heat sink contains flow micro-channels with width of 100 μm, wall thickness of 100 μm, and height of 600 μm, and cross-connected micro-channels of similar width and height cut at 1 mm intervals along the flow direction.
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