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Use Laser-Flash Thermal Conduction Measurements to Evaluate Power-Semi Packaging Materials (.PDF Download)

June 3, 2020

The power-semiconductor industry is experiencing growth exceeding 7% per year, driven by new applications such as electric cars and new technologies like silicon-carbide (SiC) and gallium-nitride devices. These new applications and technologies put increasing demands on power-semiconductor package performance. Specifically, power-semiconductor packaging technology must address key requirements:

  • Ability to conduct the large electrical currents that flow through the device and package.
  • Need to provide an effective thermal path between the device and heat sink to keep the device junction temperature within specification.
  • Ability to withstand temperature and power cycling (and the resulting CTE stress) without mechanical damage, including dielectric cracking or metal delamination.

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