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What (who) is heat sink - definition
heat sink
¦ noun a device or substance for absorbing excessive or unwanted heat.
heat sink
<hardware> /heet sink/ (from "sink", electronics jargon for
something which takes in current) A piece of thermally
conductive metal attached to a semiconductor or other
electronic device and designed to prevent it from overheating
by conducting heat away from it and radiating it to the
environment. Heat sinks often have fins to increase their
surface area. They occasionally have fans attached. Heat
sink compound can be smeared between the device and the heat
sink to improve thermal conduction.
(1997-06-10)
Heat sink
A heat sink (also commonly spelled heatsink) is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant, where it is dissipated away from the device, thereby allowing regulation of the device's temperature. In computers, heat sinks are used to cool CPUs, GPUs, and some chipsets and RAM modules.
Wikipedia
Heat sink
A heat sink (also commonly spelled heatsink) is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant, where it is dissipated away from the device, thereby allowing regulation of the device's temperature. In computers, heat sinks are used to cool CPUs, GPUs, and some chipsets and RAM modules.
Examples of use of heat sink
1. LEDs are made of semiconductor wafers inside a small polymeric lens up to half a centimetre across and set on a metallic heat sink.