| 摘要 |
A combination heat sink formed of a plurality of radiation fins radially fastened together to show a circular configuration having a top rounded recess that is defined by a notch on each radiation fin for gathering currents of air for enabling gathered currents of air to be guided by a curved surface portion of each radiation fin to the outside of the heat sink to carry heat away from the heat sink rapidly and efficiently. Each radiation fin has a coupling portion so arranged that the radiation fins are fastened together by securing the coupling portion of one radiation fin to the coupling portion of another without the use of any external fastening means of tools.
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