Patent ID: 7174952
Filing Date: 2007-02-13
Classification: H01L

Abstract:
1. A heat dissipation device comprising: a heat dissipation base integrally formed from a metal material with a superior heat conductivity, the heat dissipation base having a plurality of receiving recesses, an airflow channel and an accommodating space, wherein the receiving recesses are arranged on the periphery of the heat dissipation base, the airflow channel communicates with the accommodating space, the airflow channel has an outlet on one side thereof and a plurality of heat dissipation fins in the interior thereof, and the accommodating space has at least one inlet and a blade set in the interior thereof; and an upper lid for covering the accommodating space, the upper lid having a plurality of hooks corresponding to the receiving recesses; wherein at least one of the at least one inlets is disposed on the interior bottom side of the accommodating space, and the blade set is connected to the upper lid.