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integrated heat spreader (IHS)

Integrated heat spreaders (IHS) are cooling plates that distribute the heat from chips

and ensure that they are not damaged during installation and operation. Such heat spreaders are made of metals with good thermal conductivity such as copper or aluminum. They can also be gold-coated for better heat diss

ipation. Heat dissipationplates distribute the heat over the entire surface of the heat spreader, from where it is dissipated with

heatsinks

or by means of air cooling.Integrated Heat Spreaders (IHS) are used

onprocessors

where they are permanently mounted on the silicon chip and distribute the heat generated by the silicon die over the entire heat distribution plate.

Heat

Heat

spreader
plate, photo: anandtech.com

plate, photo: anandtech.com

On top of the heat spreader plate there are other heat sinks like tubular heat sinks which dissipate the heat from the heat spreader. They protect the processor from thermal damage.

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Englisch: integrated heat spreader - IHS
Updated at: 01.11.2018
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