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Learn about the factors that determine thermal management material selection for packaging power electronics.
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When designing a new device or system, what are the most important criteria for selecting a thermal management material for the application? If you answered thermal conductivity – also known as lambda value – you’re not alone. And you’d be a little bit right…but not completely. Thermal conductivity is an essential factor, but it’s not everything when it comes to the final result. Other considerations include processability, curing mechanisms, adhesion characteristics, thermal impedance/interfacial resistance, base chemistry, bond line thickness, and so on. This article will explain the role of TIMs, what variables to consider, and provide information on selecting a material that’s fit for purpose.
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