Patent ID: 8251132

Claim:
A heat sink assembly comprising: a base; a fin group comprising a plurality of fins and each of the fins defining a recess at a lower portion thereof; and a heat pipe comprising an evaporating portion extending through the base and a condensing portion extending through the fin group to connect the base and the fin group; wherein the base is interferentially fitted into the recesses of the fins, and the base, the fin group and the heat pipe directly and intimately connect with each other, an edge of each fin defining the recess intimately engaging with the base and the evaporating portion of the heat pipe; wherein the base has a T-shaped configuration and comprises a rectangular heat absorbing portion and a pair of extending portions extending outwardly from opposite sides of a top of the heat absorbing portion, the extending portions interferentially engaged in the recesses of the fins of the fin group, each of the extending portions has a top surface intimately engaging with the fins and a bottom surface parallel to the top surface; and wherein each of the recesses has a T-shaped configuration, and a pair of pressing members are formed inwardly at a bottom portion of each of the fins and oriented towards each other, the pressing members intimately engaging with opposite sidewalls of the heat absorbing portion and pressing upwardly the bottom surfaces of the extending portions of the base.