Patent ID: 7447027
Filing Date: 2008-11-04
Classification: H01L

Abstract:
1. A heat dissipation device comprising: a heat sink assembly comprising a base, a plurality of parallel first fins and second fins mounted onto the base, the first fins defining a plurality of channels therebetween; a heat pipe having a first portion and a second portion perpendicularly to the first portion, the first portion of the heat pipe engaged with the base; a plurality of third fins engaging with the second portion of the heat pipe; a fan holder positioned to the base and located at a side of the first fins; and a fan mounted onto the fan holder and beside the first fins; wherein the base comprises a concave portion between first and second fins; wherein the fan holder comprises a main body defining a central opening communicating with the channels of the first fins; and wherein a positioning flange extends from a bottom edge of the main body and is positioned to the concave portion of the base.