Patent ID: 7515419

Claim:
A heat dissipation device comprising: a heat sink comprising a fin set defining two channels adjacent to two opposite ends thereof; a retention module supporting the heat sink thereon, with two pairs of first and second clasps extending therefrom; and two clips being positioned on the fin set, each of the two clips comprising first and second pressing portions fitted in corresponding channels defined adjacent to one of the two opposite ends of the fin set, a catch descending between the first and second pressing portions, and an operating portion extending from an end of the second pressing portion; wherein, when the heat dissipation device is in a locked position, the catches of the two clips engage with the first clasps of the retention module, the operating portions of the two clips engage with the second clasps of the retention module, the first and second pressing portions of the two clips engage with and press the fin set of the heat sink toward the retention module; and wherein the fin set has two lateral fins extending outwardly from each of the two opposite ends of the heat sink and at a distance beyond a base of the heat sink and has the channels each defined in tops of the two lateral fins, and the catch of each clip is located between the two lateral fins.