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Abstract

The heat pipe structure includes a pipe body, hollow groove and capillary tissue. The pipe body contains a heat-conducting end and a radiating end. The capillary tissue of a predefined thickness is adapted to an inner wall of the pipe body. The inner surface of capillary tissue is located correspondingly to the section of the heat-conducting end, where a portion with greater thickness is shaped from another section of the capillary tissue. The portion is of single side, a plurality of sides or annular structure. Thus, the heat conduction efficiency of the heat-conducting end greatly improves. The non heat-conducting sections of the capillary tissue remain still with respect to thickness, and the guide space expands to facilitate guiding of gaseous working fluid to the radiating end, thus achieving an optimum heat radiation effect.

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First Claim