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 HEATSINK Definition
We define HEATSINK |
HEATSINK - A device that makes contact with a microprocessor (or other object in need of cooling) and removes heat by exchanging it with air in a more efficient manner than the flat surface the heatsink is attached to. The heatsink does this by providing more surface area than a flat surface. This is usually accomplished by having a group of fins built into the shape of the heatsink. The longer the fins, and the more of them, the higher the surface area, and the better the efficiency. Most heatsinks are aluminum for cost and weight reasons. Copper heatsinks are more efficient, but are seldom used because they are much more expensive, heavier, and harder to build. It is common for a fan to be mounted onto a heatsink to increase the efficiency of heat exchange by blowing cooler air through the fins on the heatsink. |
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