Patent ID: 9046306
Filing Date: 2015-06-02
Classification: F28D,F28F,H01L

Abstract:
1. A heat dissipation device comprising: a plurality of fins connected to each other; a first heat pipe; and a second heat pipe having a heat conductivity smaller than that of the first heat pipe, the first heat pipe contacting more fins than the second heat pipe; wherein the plurality of fins comprise first fins and second fins different from the first fins; wherein each second fin has an area larger than that of the each first fin; wherein each second fin is longer than each first fin; wherein the first heat pipe contacts the first fins and the second fins, and the second heat pipe contacts the second fins but not the first fins; and wherein each of the first fins and the second fins comprises a plate defining a groove therein, the first heat pipe extending through the grooves of the first fins and the second fins, and the second heat pipe extending through the same grooves of the second fins.