computer hardware, consumer electronics, electronic components

Heatsink, heat sink

Personal computers have become commonplace, offering computing power to the user and the attendant ability to perform a variety of tasks. During operating of an electronic device such as a computer central processing unit (CPU), a large amount of heat is often produced. Active cooling elements, such as a fan, can be added to a personal computer. Using a cooling fan, however, is generally not desirable since a fan takes up space, generates noise, and consumes power. Accordingly, a heat sink device is usually installed in a computer such as a notebook computer for cooling electronic components. A heat sink has a thermal spreader which is attached or otherwise thermally connected to such an electronic component. The heat sink also has a plurality of fins extending from the thermal spreader. Typically, such heat sinks mount directly to a component. Heat is conducted to the thermal spreader and from the thermal spreader to the fins which provide a large surface area from which the heat can be convected to surrounding air. A heatsink is commonly used for a higher speed chipset and installed by directly placing a heat dissipating plate with a plurality of fins on the chipset. The heat generated by the chipset while operating is absorbed by the heat sink and the fan automatically turned on by the chipset under operation blows the heat sink and makes it cool down rapidly.


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