Patent ID: 7423879
Filing Date: 2008-09-09
Classification: H01L

Abstract:
1. A sleeve-tightening heat dissipating module comprising: a pillar, a sleeve, a stand, and heat sinks, wherein the pillar is a solid cylinder with a lower part being wider than a top part thereof; the sleeve is a hollow cylindrical tube with a lower part being wider than a top part thereof, the pillar is inserted in the sleeve, the sleeve is provided with an inner diameter which is smaller than an outer diameter of the lower end of the pillar, and the sleeve is provided with a flange at a bottom rim thereof, a top end of the sleeve is inserted into the stand and the heat sinks; the stand is provided with stabilizers and a round frame having an inner diameter being larger than an outer diameter of the sleeve, the stand abuts the flange; the heat sinks are a module having a plurality of plates, each of the plurality of plates has a round frame located at a center thereof and an inner diameter being larger than the outer diameter of sleeve, the heat sinks are stacked on a top end of the stand to expel heat absorbed by the pillar and transmitted from the sleeve.