Patent ID: 7595989
Filing Date: 2009-09-29
Classification: H01L

Abstract:
1. A heat dissipation device for removing heat from a heat generating electronic device, comprising: a base adapted for absorbing heat from the electronic device; a first heat sink located on the base, the first heat sink comprising a heat spreader and a plurality of fins extending from a surface of the heat spreader; a second heat sink located on the first heat sink, the second heat sink comprising a heat spreader with a bottom surface thereof contacting with the fins of the first heat sink and a plurality of fins extending from a surface of the heat spreader; and a heat pipe thermally contacting with the base, the first heat sink and the second heat sink, the heat pipe comprising an evaporating portion, first and second condensing portions parallel to the evaporating portion and first and second connecting portions interconnecting corresponding first and second condensing portion and the evaporating portion, the evaporating portion and the first condensing portion located between the base and the heat spreader of the first heat sink, the second condensing portion located on the heat spreader of the second heat sink.