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Why does the use of graphite foils result in very low thermal resistance ?

April 26, 2017foils graphite low resistance Thermal

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Why does the use of graphite foils result in very low thermal resistance ?

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Because of its natural softness, graphite as a material fits the contact surfaces very well already at a low pressure of approx. 200 kPa, hence reducing greatly the thermal contact resistance and the overall resistance.