Patent ID: 7652880
Filing Date: 2010-01-26
Classification: F28F,H01L,Y10T

Abstract:
1. A combined-natural-and-forced-convection heat sink system comprising: a plurality of fins protruding from a first surface of a conductive material, the plurality of fins forming a natural-convection heat sink; a plurality of air channels formed between the first surface and an opposing second surface of the conductive material, each of the plurality of air channels being positioned below the first surface of the conductive material between two adjacent fins, each air channel having an input end opening on an input surface of the conductive material, and each air channel having an output end opening on an output surface of the conductive material, the plurality of air channels forming a forced-convection heat sink, wherein the natural-convection heat sink and the forced-convection heat sink form a combined-natural-and-forced-convection heat sink; and at least one fan configured to generate an air flow through the air channels when at least one fan is operating.