THIN HEAT DISSIPATION FOIL AND METHOD FOR MANUFACTURING SAME
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United States of America Patent
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Issued Date -
Nov 3, 2016
app pub date -
Aug 26, 2015
filing date -
Apr 30, 2015
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Abstract
A thin heat dissipation foil includes a first copper foil, a second copper foil, a plurality of bonding blocks and a working fluid. The first copper foil includes a first bonding surface, the first bonding surface defines a plurality of first receiving cavities and a plurality of first bonding recesses surrounding the first receiving cavities. The second copper foil includes a second bonding surface, the second bonding surface defines a plurality of second receiving cavities corresponding to each of the first receiving cavities. Each bonding block is located in the first bonding recess. The bonding block is configured to bond the first bonding surface and the second bonding surface to form a seamless interface, and each first receiving cavity and each second receiving cavity together form a vacuum tube. The working fluid is received in the vacuum tube.
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