Performance for Ceramic Substrate
Materials |
Al2O3 |
AlN |
ZrO2 |
|
96% |
99.60% |
|||
Color |
White |
White |
Gray |
White |
Density (g/cm3 ) |
3.72 |
3.85 |
3.3 |
6.04 |
Thermal conductivity (W/m. K) |
22.3 |
29.5 |
160 -190 |
2.4 |
Thermal Expansion (x10-6 /℃) |
8 |
8.2 |
4.6 |
10 |
Dielectric Constant (at 1MHZ) |
9.5 |
9.8 |
8.7 |
29 |
Loss Tangent (x10-4 at 1MHZ) |
3 |
2 |
5 |
-- |
Volume Resistivity (ohm-m) |
>1014 |
>1014 |
>1014 |
-- |
Flexural Strength (N/mm2 ) |
350 |
500 |
450 |
-- |