Patent ID: 8056614

Claim:
A modular heat sink comprising: a first heat sink comprising a first base and a first fin assembly, wherein the first fin assembly is disposed on the first base, the first base has a female connecting part, and the female connecting part further has a plurality of first positioning holes passing through the female connecting part; a second heat sink connected to the first heat sink and comprising a second base and a second fin assembly, wherein the second fin assembly is disposed on the second base, the second base has a male connecting part coupled with the female connecting part, and the male connecting part further has a plurality of second positioning holes passing through the male connecting part and corresponding to the first positioning holes; and a fixing part which is suitable to fix the first heat sink and the second heat sink, wherein the fixing part comprises: a body; and an elastic element extending from the body and warped at a first surface of the body, wherein the end of the elastic element has a bolt toward a second surface of the body, and the bolt is inserted to the corresponding first positioning hole and second positioning hole to fix the first heat sink and the second heat sink.