Heat sink base plate with heat pipe
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United States of America Patent
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-
Oct 16, 2012
Grant Date -
Oct 22, 2009
app pub date -
Apr 17, 2008
filing date -
Apr 17, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A heat sink assembly includes a base plate having a top surface provided with cooling fins, and a bottom surface with an open channel, the channel having remote regions and a central region with a rectangular cross-section. A heat pipe arrangement including at least two sections is nested in the channel, each section having at least one evaporator section and a condenser section, wherein the evaporator sections are juxtaposed side by side in the central region, and the condenser sections are in respective remote regions. The arrangement is preferably a single S-shaped heat pipe with a pair of hooked ends and a center section which form the evaporator sections, the evaporator sections each having a rectangular profile and an exposed surface which is flush with the bottom surface of the base plate, the condenser sections connecting the evaporator sections and being recessed below the bottom surface.
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