Heat dissipation device

A heat dissipation device comprising:

• a plurality of heat pipes, each of the heat pipes having a lower first connecting portion and an upper second connecting portion;
• and
• a heat sink comprising:
• a base;
• and
• a plurality of parallel fins attached on the base,
• wherein the base comprises a bottom wall and four side walls integrally formed with the bottom wall, and a top plate mounted at a top of the side walls thereby defining a hermetically sealed chamber therebetween, a plurality of apertures being defined in one of the side walls, the apertures receiving the first connecting portions of the heat pipes, a plurality of through holes being defined through the plurality of fins, the through holes receiving the second connecting portions of the heat pipes.

A heat dissipation device comprising:

• a heat sink including a base adapted to engage a heat generating device;
• an interior space defined in said base;
• a plurality of fins engageably extending upwardly from a top wall of the base;
• a plurality of heat pipes with working liquid therein with one end connected to the base and communicating with the interior space, and the other end extending through said fins.