| 摘要 |
A heat sink includes a heatsink board, and a cooling fan. The heatsink board includes a top plate, a bottom plate, and a plurality of separation plates forming a plurality of guide layers between the top plate, the separation plates and the bottom plate. Each of the guide layers is formed with a plurality of hollow flow channels. Thus, each of the flow channels provides an air guide effect, and the cooling fan provides a force convection effect, so that the heat of the heat source absorbed by the top plate and the bottom plate is carried away and is drained outward from the heatsink board, thereby enhancing the heat dissipation effect of the heat sink.
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