Patent ID: 7505274

Claim:
A heat sink fastening device for facilitating fixing a heat sink on a circuit board, said circuit board including a first surface and a second surface, a plurality of electronic components being mounted on said first surface of said circuit board, said heat sink including a first part and a second part, wherein at least one of the electronic components is fastened onto said heat sink said second part of said heat sink being extended from an edge of said first part, said heat sink fastening device including: a first connecting portion included in said circuit board; a second connecting portion included in said second part of said heat sink; and at least a connecting member disposed on said first surface of said circuit board and including a first connecting part and a second connecting part, wherein said first connecting part is coupled to said first connecting portion of said circuit board and said second connecting part is coupled to said second connecting portion of said heat sink, thereby facilitating fixing said heat sink on said first surface of said circuit board.