4 inch Monocrystalline Sapphire Ingot
4 inch Monocrystalline Sapphire Ingot
| Material | Monocrystalline sapphire |
| Diameter | 100,2 + 0,05mm |
| Orientation | C-plane [0001] |
| tilted M-axis 0.0 ± 0.1 degree | |
| tilted A-axis 0.0 ± 0.1 degree | |
| Primary Flat Orientation | A-axis [11-20] ± 0.2 degree |
| Primary Flat Length | 30 + 0,05mm |
| Surface roughness | Fine ground 1 ± 0.2 μm |
| Defect region | < 10 % |
| Coloration | No coloration |
| EPD | < 1000 / cm2 |
| Average ingot lenght | < 100 mm |
 |
Low dislocation density |
|
Cracks/pits free |
|
High performance |
|
Cost effective |
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