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Aluminum Oxide Ceramic Substrates Porperties
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| Item No. | AO96 | ADS-996 | Superstrate 996 | PlasmaPure-UC |
| Purity (wt%) | 96% | 99.6% | 99.6% | 99.9% |
| Density (g/cm3) | > 3.75 | 3.88 | 3.87 | 3.92 |
| Grain size after sintering | 2 - 8 microm | |||
| Thermal conductivity (W/m. K) | 24 | 34.7 | 35 | 35 |
| Thermal Expansion (x10-6/oC) | < 7.7 | 7~8.3 | 7~8.3 | 8.1 |
| Dielectric Strength (Kv/mm) | > 14 | 23.64 | 23.64 | 8.7 |
| Dielectric Constant (at 1MHZ) | 9.8 | 9.9 | 9.9 | 9.8 |
| Loss Tangent (x10-4 @1MHZ) | 4 | 1 | 1 | < 1 |
| Volume Resistivity (ohm-m) | > 1013 at 20oC; > 3x107 at 500oC | > 1014 at 25oC; > 109 at 500oC | > 1014 at 25oC; > 1010 at 500oC | > 1015 at 25oC; 1012 at 500oC |
| Flexural Strength (N/mm2) | >330 | 593 | 621 | 400 |
| Surface Roughness (micron) | as fired 0.3 as lapped 0.075 as polished 0.025 | |||