Patent ID: 7967059

Claim:
A heat dissipation device comprising: a base; a fin group defining a plurality of slots in two opposite sides thereof; a plurality of heat pipes attached to the base, each of the heat pipes comprising a heat-absorbing portion received in the base and a pair of heat-dissipating portions extending from two opposite ends of the heat-absorbing portion and received in the slots of the fin group; a fan cover covering the fin group and attached on the base, the fan cover comprising a body and a pair of side walls extending from the body and attached to the two opposite sides of the fin group, the side walls having a plurality of heat-dissipating fins extending therefrom; and a plurality of fans located at a side of the fan cover, the fan cover guiding airflow produced by the fans to pass through the fin group; wherein the heat-dissipating portions of the heat pipes received in the slots of the fin group are sandwiched between the side walls of the fan cover and the fin group and thermally connect the side walls of the cover and the fin group, and the heat-dissipating portions each have a flat surface coplanar with the a corresponding side of the fin group and attached to a corresponding side wall of the fan cover.