| 摘要 |
A heat dissipation unit and a manufacturing method thereof and a thermal module thereof. The heat dissipation unit includes a metal main body having a chamber, an oxide coating and a working fluid. The oxide coating is coated on wall surface of the chamber instead of capillary structure. The oxide coating serves to enhance vapor/liquid circulation efficiency of the working fluid in the chamber of the heat dissipation unit so as to increase heat dissipation efficiency.
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