Patent ID: 8020609

Claim:
A heat sink assembly, comprising: a heat sink comprising a base and a plurality of fins extending from a top surface of the base; and a clip comprising: a pair of pressing portions abutting against the top surface of the base; a pair of extension portions extending upwardly from outer ends of the pressing portions; two locking arms extending upwardly from upper ends of the extension portions respectively, and located adjacent and parallel to two opposite sides of the heat sink, the locking arms being perpendicular to the pressing portions; two U-shaped operating portions extending from two ends of the locking arms, each operating portion extending on a horizontal plane; and two hooks each extending from a free end of a corresponding operating portion; wherein the hooks are adapted for fastening with a printed circuit board, and wherein the operating portions are used to receive a depressing force for moving the hooks downwardly to fasten with the printed circuit board.