Patent ID: 6883591

Claim:
A stackable heat sink comprising: a heat dissipation plate having a bottom plate; two side plates facing each other located on both sides of said bottom plate, a bending area being bent from the top of each said side plate; two standing plates, each stretching up from said bending area and facing another said standing plate; two fastening plates, each formed on a respective said standing plate, said fastening plate is bendable and forms a bending line with said standing plate; two fastening crevices, each located on the junction of said bottom plate and said side plate, when two said heat dissipation plates stack together, said standing plate of one heat dissipation plate inserts into said fastening crevice of an adjacent heat dissipation plate to make a lower portion of said bending line of said fastening plate fastened on said bottom plate of said adjacent heat dissipation plate.