FLAT HEAT PIPE WITH CAPILLLARY STRUCTURE
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United States of America Patent
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Issued Date -
Dec 27, 2012
app pub date -
Jun 27, 2011
filing date -
Jun 27, 2011
priority date (Note) -
Abandoned
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Abstract
A flat heat pipe with a capillary structure includes a pipe body and a capillary tissue. The pipe body is substantially hollow and flat and includes a bottom wall and a top wall opposite to the bottom wall, and both walls are formed on the pipe body, and an appropriate quantity of working fluid is sealed inside the pipe body. The capillary tissue is covered onto an internal side of the bottom wall, and the capillary tissue includes a plurality of protrusions formed inside the pipe body and extended along the lengthwise direction of the pipe body, and a gap is reserved between the protrusions and the internal side of the top wall to form an air passage. The protrusions formed by the capillary tissue can provide sufficient capillary forces and also produce the gap to form the air passage.
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