Sapphire optical window has the excellent characteristics of high refractive index and low dispersion rate which provides the conditions for creating large-caliber advanced lenses.
Cryscore can produce high-quality sapphire windows with any orientation, thickness and different sizes ranging from 3mm x 3mm to 200mm x 200mm. All of our sapphire windows have strict quality control, cleaned and packed in class 100 room.
| Item | Other Square & Rectangle Sapphire Windows |
| Crystal Materials | 99,999%, High Purity, Monocrystalline Al2O3 |
| Grade | Prime, Epi-polished |
| Orientation | C-plane(0001) or any orientation |
| Size | 3 mm x 3 mm to 200 mm x 200 mm |
| Thickness | 0.18 mm to 30 mm or any thickness |
| Front Surface | Optical polished, Scratch / Dig < 10 / 5 |
| Epi-polished, Ra < 0.2 nm (by AFM) | |
| Back Surface | Optical polished, Scratch / Dig < 10 / 5 |
| Epi-polished, Ra < 0.2 nm (by AFM) | |
| Cleaning / Packaging | Class 100 cleanroom cleaning and vacuum packaging, single piece packaging |
Note: Custom sapphire windows with any orientation and any thickness can be provided.
Introduction to the Manufacturing Process of Sapphire Ingot
Company brochure
The Technical Difference Between the Kyropoulos Method and the Czochralski Method for Growing Sapphire Crystals
