| Item No. |
AO95 |
AO96 |
| Purity (wt%) |
95 % |
96 % |
| Density (g/cm3) |
> 3.65 |
> 3.75 |
| Thermal conductivity (W/m. K) |
27 |
24 |
| Thermal Expansion (x 10-6/oC) |
< 7.7 |
< 7.7 |
| Dielectric Strength (Kv/mm) |
> 15 |
> 14 |
| Dielectric Constant (at 1MHZ) |
9.2 |
9.8 |
| Loss Tangent (x 10-4 @ 1 MHZ) |
3 |
4 |
| Volume Resistivity (ohm-m) |
> 1012 at 20oC
> 108 at 500oC
|
> 1013 20oC
> 3 x 107 at 500oC
|
| Flexural Strength (N/mm2) |
> 280 |
> 330 |
| Substrate Specification |
| Maximum Dimension (mm) |
100 x 200 |
| Thickness (mm) |
0.63 - 0.30?0.1mm |
| Surface Roughness |
as fired 0.3? as lapped 0.075? as polished 0.025? |
| Flatness |
0.1016/25.4 |
0.076/25.4 |
