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Recent Advances in the Development and Application of Higher Thermal Conductivity Graphite Heat Spreader Materials
Keywords: Graphite , Spreader, Applications
GrafTech International has pioneered the use of anisotropic graphite heat spreaders in a variety of electronic thermal management applications, encompassing most display types (plasma, LCD and OLED), notebook computers and hand held devices. These materials are characterized by their high in-plane thermal conductivity (up to 500 W/mK), low through thickness thermal conductivity, light weight and good conformability. The materials have proven ideal in applications where hot spot mitigation and improved temperature uniformity is needed. In late 2009 GrafTech will launch a new generation of graphite-based heat spreaders with thermal conductivity in the range of 600 to 1500 W/mK with thickness as low as 10 microns. This paper will discuss the properties of these materials as well as introduce the latest applications enabled by these new graphite products.
Julian Norley , Senior Corporate Fellow
GrafTech International
Parma , OH

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