Patent ID: 7480144
Filing Date: 2009-01-20
Classification: H01L

Abstract:
1. A heat dissipation device comprising: a retention module comprising a plurality of sidewalls having a pair of opposite lateral sidewalls, a heat-generating electronic component received in the retention module and surrounded by the sidewalls, a pair of opposite fixture blocks being formed on the opposite lateral sidewalls of the retention module; a heat sink attached on the heat-generating electronic component in the retention module; a holder mounted on the heat sink and having a pair of protective hollow sleeves at two opposite lateral sides of the holder, the hollow sleeves being positioned corresponding to the fixture blocks of the retention module, each of the sleeves having a supporting pad therein; and a pair of clips securing the heat sink to the retention module, each of the clips comprising a brace extending through each of the sleeves, the brace having a baffle portion located above the supporting pad of each of the sleeves and a fastening portion below a bottom end of each of the sleeves, a first spring compressed between the baffle portion of the brace and the pad of each of the sleeves; wherein the fastening portion of each of the clips securely fastens each of the fixture blocks of the retention module after the first spring is stretched a distance with an upward movement of the brace of each of the clips.