Our curamik Power Plus substrates are based on Zr doped Al2O3 HPS ceramic. The doping process provides enhanced robustness and improved properties when exposed to mechanical constraints. These substrates offer a longer lifetime and greater reliability and performance than alumina substrates, and it comes at a competitive price point. Common uses include automotive power electronics and advanced industrial applications.


  • Alumina (9% ZrO2 doped)
  • Offers thermal conductivity of 26 W/mK @ 20°C
  • Available in many thickness combinations
  • CTE of 7.1 ppm/K @ 20°C - 300°C


  • Offers enhanced robustness and reliability for a small price premium
  • Has a longer lifetime than alumina substrates



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