| 摘要 |
A heat sink with an arrangement of a plurality of micro-fins, spaced apart to form micro-channels through which a gas can flow. The heat sink includes a conductive apparatus for conducting heat from a heat source to the arrangement of micro-fins. The conductive apparatus includes a post, with a bottom surface at a proximal end for contact with a heat source. The arrangement extends radially outward from the post at a more distal end spaced apart from the bottom surface of the post. In one embodiment, the conductive apparatus includes a plurality of ribs extending radially outward from the post. Each micro-fin has a length that bridges the space between two ribs. The micro-fins are spaced substantially parallel to each other to form micro-channels for passage of cooling gas. Another embodiment includes a plurality of micro-fins extending substantially perpendicularly outward from the post, and separated to form micro-channels. Another embodiment includes a plurality of micro-fins extending substantially perpendicular to a rectangular post. In operation, heat is conducted from the heat source, through the post to the micro-fins, and into gas around each micro-fin. A fan or other gas pump can be used to force a flow of the gas through the micro-channels and thereby through the arrangement. |
