| Ceramics Type | Alumina ,Al2O3-96% | Alumina ,Al2O3-99.6% | Aluminium Nitride , AlN | Zirconia, ZrO2 |
| Wafer Size | 1 to 8 inch. | 1 to 8 inch. | 1 to 8 inch. | 1 to 8 inch. |
| Substrate Size |
10 x 10 / 25 x 25mm 50 x 50/75x75mm 100 x 100 mm |
10 x 10 / 25 x 25mm 50 x 50/75x75mm 100 x 100 mm |
10 x 10 / 25 x 25mm 50 x 50/75x75mm 100 x 100 mm |
10 x 10 / 25 x 25mm 50 x 50/75x75mm 100 x 100 mm |
| Thickness |
0.4 / 0.5 /0.8/ 1 .0mm 1.5/2 /2.2mm |
0.4 / 0.5 /0.8/ 1 .0mm 1.5/2 /2.2mm |
0.4 / 0.5 /0.8/ 1 .0mm 1.5/2 /2.2mm |
0.4 / 0.5 /0.8/ 1 .0mm 1.5/2 /2.2mm |
| Surface |
As burned SSP/DSP Ra no more than 0.28um |
As burned SSP/DSP Ra no more than 0.28um |
As burned SSP/DSP Ra no more than 0.28um |
As burned SSP/DSP Ra no more than 0.28um |
| Color | White | Dark-White | Dark Gray | White |
| Density | 3.72 | 3.85 | 3.3 | 6.04 |
| Thermal conductivity | 22.3 | 29.5 | 160 -185 | 2.4 |
| Thermal Expansion | 8.0 | 8.2 | 4.6 | 10 |
| Dielectric strength | 14E6 | 18E6 | 14E6 | 19-21E6 |
| Dielectric Constant | 9.5 | 9.8 | 8.7 | 29 |
| Flexural Strength | 350 | 500 | 450 | 550 |
