Characterizing Mixed-Metal Heatsinks

Focus:

Heatsink performance can be improved by using different combinations of aluminum and copper for heatsink fins and base. The degree of improvement depends on whether the heat source is concentrated or distributed.

What you’ll learn:

• How to improve bonded-fin heatsink performance by combining copper and aluminum materials
• How to evaluate the performance of mixed-metal heatsinks in applications with concentrated and distributed heat sources
• How to tradeoff heatsink performance and weight in cooling applications

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Author & Publication:

Dr. Ahmed Zaghlol, P.E., Director of Engineering, R-Theta Thermal Solutions Inc., Mississauga, Ontario, Canada, Power Electronics Technology, Jun 01 2004

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