| 摘要 |
A heat sink for radiating heat of an electronic component is provided with a heat sink main body having an abutting face that abuts against the electronic component, and a heat-radiation member having a joint face that is jointed to a front side face opposite to the abutting face. Furthermore, the heat-radiation member is provided with a joint portion that has the joint face, and a heat-radiation portion that is projectively provided so as to be substantially perpendicular to the joint portion. Furthermore, the heat-radiation member is provided with a plurality of heat-radiation portions.
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