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This paper talks about high performance heat sinks and heat spreaders made by hybrid structures based on metaldiamond
composites. Thermal conductivities can be tuned between 450 and 650 W/mK while maintaining customizable
thermal expansion of 6-10 ppm/K (@30°C). Using different hybrid structures in combination with the metal-diamond
core significant changes in thermal properties can be identified. Applications targeted are LED, disc laser and laser diode
heatsinks with these high performance inserts without the need of CTE matched submounts.
M. Kitzmantel andE. Neubauer
"Innovative hybrid heat sink materials with high thermal conductivities and tailored CTE", Proc. SPIE 9346, Components and Packaging for Laser Systems, 934606 (20 February 2015); https://doi.org/10.1117/12.2077518
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M. Kitzmantel, E. Neubauer, "Innovative hybrid heat sink materials with high thermal conductivities and tailored CTE," Proc. SPIE 9346, Components and Packaging for Laser Systems, 934606 (20 February 2015); https://doi.org/10.1117/12.2077518