Patent ID: 7530388

Claim:
A heat sink adapted for removing heat from a heat-generating component, comprising: a first fin set comprising a plurality of fins, each of the fins having a flange extending perpendicularly from an edge thereof and oriented in a first direction, the flanges engaging with each other in succession through locking parts formed thereon; and a second fin set comprising a plurality of fins, each of the fins of the second fin set having a flange extending perpendicularly from an edge thereof toward the first fin set and oriented in a second direction opposite to the first direction, the flanges engaging with each other in succession through locking parts formed thereon; wherein one of the flanges of an outmost one of the fins of the first fin set and one of the flanges of an outmost one of the fins of the second fin set are extended toward each other and engaged with each other; wherein the flanges of the outmost ones of the fins of the first fin set and second fin set are provided with corresponding engaging parts matching with each other; wherein the engaging part of the outmost one of the fins of the first fin set is a catch protruding horizontally form an edge of the flange of the outmost one of the fins of the first fin set, the engaging part of the outmost one of the fins of the second fin set is an engaging hole complementary with the catch; and wherein the catch of the outmost one of the fins of the first fin set is a T-shaped flake, the engaging hole of the outmost one of the fins of the second fin set is a T-shaped recess from the edge of the flange of the outmost one of the fins of the second fin set.