Patent ID: 8432698
Filing Date: 2013-04-30
Classification: H01L,H05K

Abstract:
1. A heat dissipation device adapted for dissipating heat generated by an electronic component mounted on a printed circuit board, the printed circuit board secured on a casing of an electronic system, the heat dissipation device comprising: a heat sink disposed on the electronic component; and a plurality of fasteners extending through the heat sink, respectively, to assemble the heat sink to the printed circuit board, each of the fasteners comprising: a supporting member for being fixed in the printed circuit board; an engaging member for being fixed in the casing; and a screwing post engaging with the heat sink, the screwing post extending through the printed circuit board via the supporting member and a bottom portion of the screwing post screwed into the engaging member; wherein the supporting member comprises an annular seat and a tubular body extending upwardly from the seat, the seat adapted for attaching to a bottom face of the printed circuit board, the tubular body adapted for being inserted into the printed circuit board.