Patent ID: 7478668
Filing Date: 2009-01-20
Classification: H01L

Abstract:
1. A heat dissipation device comprising: a base for absorbing heat from a heat generating device; a fin set comprising a plurality of fins extending from the base, each of the fins having an undulating body, the body comprising a plurality of peak faces, a plurality of trough faces and slanted faces each located between adjacent peak face and trough face, the peak faces of the body of each of the fins conforming to corresponding peak faces of the body of an adjacent fin of the fin set; at least a heat pipe having a first section contacting the base and a second section extending through the fin set for transferring heat from the base to the fin set; and a second fin set which is symmetrical and mirror image to the aforesaid fin set, wherein the second fin set comprises a plurality of second fins extending from the base; wherein each of the fins of the fin set comprises a bottom flange and a top flange extending from two opposite edges of the body; wherein the bottom flanges of the fins of the fin set cooperatively form a bottom face contacting the base; and wherein the first section of the at least a heat pipe extends through the bottom face of the fin set.