Features of AlN Ceramic Substrate

  • Great heat conductivity
  • High performance and high temperature applications (High power LED’s, power device, hybrid modules..)
  • 큰 사이즈의 기판 제조 가능

Al2O3 와 AlN Substrate의 비교

Properties UNIT AlN Al2O3
Color - Gray White
Bulk Density g/cm3 3.32 3.78
Dielectric Constant @ 1MHz 8.8 ~ 8.9 9.8
Dielectric Loss - 0.0003 0.0003
Dielectric Strength kV / mm > 25 15
Thermal Conductivity W/m·K > 150 20 ~ 30
Thermal Expansion Coefficient 1E-6 /℃ 4.5 ~ 4.9 6.8 ~ 7.3
Volume Resistivity Ω - cm 1014 1013
Flexural Strength MPa > 300 350
Vickers Hardness HV 1200 1600

AlN Substrate Key Technolog

AlN LD(Laser Diode) Package

AlN LED(Light Emitting Diode) Package

top