Patent ID: 7663884
Filing Date: 2010-02-16
Classification: H01L

Abstract:
1. A heat dissipation device adapted for removing heat from a heat-generating electronic device, comprising: a heat sink comprising a base having a bottom surface contacting with the electronic device and a plurality of fins extending upwardly from a top surface of the base; a retainer comprising a frame, two baffle walls and two protrusion posts all extending downwardly from the frame and through the base of the heat sink, the baffle walls having lower ends fastening with engaging edges of the electronic device; and two elastic members each encircling a corresponding one of the two protrusion posts and compressed between the base of the heat sink and the retainer; wherein the frame has four straight inner walls cooperatively defining an entirety of a contour of a rectangular opening which is totally void through a central portion of the frame, and the fins extend upwardly through the opening.