Patent ID: 6667884
Filing Date: 2003-12-23
Classification: H01L,Y10T

Abstract:
A heat dissipating assembly comprising:a circuit board having two spaced through holes defined therein; an electronic package mounted on the circuit board between the through holes; a heat sink mounted on the electronic package, the heat sink having a base and a plurality of fins extending from the base, and two ears arranged at two opposite sides of the base respectively, two fastening holes being defined in the ears corresponding to the through holes of the circuit board, two slots being defined through the plurality of fins at two opposite sides of the fins; a fan defining four holes in four corners thereof; two clips securing the fan onto the heat sink, each of the clips comprising a sidewall and a top wall perpendicularly extending from the sidewall, a retaining portion being formed at a lower portion of the sidewall engaging in a corresponding slot of the heat sink, and two pins depending from the top wall being received in corresponding holes of the fan; a back plate mounted on an underside of the circuit board, two posts being sequentially inserted through the back plate, the holes of the circuit board and the fastening holes of the ears of the heat sink; and two fasteners cooperating with the back plate to resiliently hold the heat sink to the circuit board.