Patent ID: 7753106
Filing Date: 2010-07-13
Classification: F21V,H01L

Abstract:
1. A heat dissipation device comprising: a heat conducting member adapted for contacting a heat generating electronic device; a fin unit having a central hole therein, the fin unit consisting of a plurality of fins around the central hole and clasping each other, the fin unit fitting around a periphery of the heat conducting member via the heat conducting member extending in the central hole of the fin unit; a clip engaging with the heat conducting member and the fin unit for providing a pressure to the fin unit such that the fin unit is intimately fastened to the heat conducting member; and a locking plate mounted on a bottom of the heat conducting member and depressed by the fin unit, the locking plate being adapted for securing the heat dissipation device to a printed circuit board; wherein the clip comprises a cap and a screw used for mounting the cap on a top of the heat conducting member, the screw threadedly engaging with the heat conducting member.