Patent ID: 6698511
Filing Date: 2004-03-02
Classification: H01L

Abstract:
A heatsink assembly comprising:a fin array having a plurality of fins at least some on which are curvilinear, a first plurality of the fins of the fin array comprise first concave fin bottom portions and first convex fin top portions, a second plurality of the fins of the fin array comprise second concave fin bottom portions facing the first concave fin bottom portions, forming a narrowing substantially disposed in the first fin array region, and second convex top portions facing away from the first convex top portions, forming an opening substantially above the narrowing and the fin array having a variable fin density, the fin array including a first fin array region having a first fin density aid being proximate to and in thermal contact with the heat dissipating device, and a second fin array region having a second fin density y less than the first fin density.