| 摘要 |
A heat sink having a flat base, a plurality of upright radiation fins upwardly extended from the top sidewall of the flat base and arranged in parallel, a plurality of elongated air passageways defined in between the upright radiation fins, and a wave-like top side formed of the topmost edges of the upright radiation fins and adapted for causing the fan-induced axial flow of air to pass through the air passageways at different speeds for causing convection currents.
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