FLAT HEAT PIPE AND METHOD FOR MANUFACTURING THE SAME
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United States of America Patent
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N/A
Issued Date -
Jun 19, 2014
app pub date -
Mar 25, 2013
filing date -
Dec 17, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An exemplary flat heat pipe includes a hollow tube and a wick structure lining an inner surface of the tube. The tube includes an evaporator section, an adiabatic section and a condenser section defined in turn along a longitudinal direction thereof. The wick structure includes a first wick portion located in the evaporator section, a second wick portion located in the condenser section, and a third wick portion extending longitudinally from the evaporator section, through the adiabatic section to the condenser section and communicating with the first wick portion and the second wick portion. A capillary force of the first wick portion is larger than that of the third wick portion, and a pore density of the first wick portion is less than that of the third wick portion.
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