| 摘要 |
A heat dissipation device for an electronic unit includes a heat sink ( 10 ), a pair of fan holders ( 30, 40 ) and a fan ( 50 ) mounted on the heat sink via the fan holders. The heat sink includes a base ( 11 ) with a plurality of fins ( 15 ) extending upwardly therefrom along a lateral direction thereof. The base forms a pair of lateral walls at two opposite lateral sides thereof. The fins are sandwiched between the lateral walls. A pair of supporting plates ( 17 ) extend from the lateral walls for mounting the fan holders on the heat sink. The fan holders cooperate with the lateral walls of the heat sink to encompass a top of the fins to prevent airflow generated by the fan from escaping from the top of the fins.
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