蓝宝石作为一种优良的滤光片材料，在紫外、红外和可见光波段具有良好的透过率。蓝宝石可以传输电磁波，几乎不会改变电磁波的性质和能量。
晶芯光电可提供具有良好的平整度、平行度和光学抛光的蓝宝石窗口片。晶片表面划痕/坑点＜10 / 5，边缘崩边＜0.2nm。
| Item | 3” x 3” C-plane(0001) 500μm Sapphire Windows |
| Crystal Materials | 99,999%, High Purity, Monocrystalline Al2O3 |
| Grade | Prime, Epi-Polished |
| Surface Orientation | C-plane(0001) |
| Size | 76.2 mm +/- 0.1 mm x 76.2 mm +/- 0.1 mm |
| Thickness | 500 μm +/- 25 μm |
| Front Surface | Epi-polished, Ra < 0.2 nm (by AFM) |
| Back Surface | Epi-polished, Ra < 0.2 nm (by AFM) |
| TTV | < 15 μm |
| WARP | < 40 μm |
| Flatness | 2λ Peak-Valley @633 nm each Ø8 mm |
| Cleaning / Packaging | Class 100 cleanroom cleaning and vacuum packaging, 25 pcs in one cassette packaging. |
注：可依据客户需求定制化生产任意晶向、厚度的蓝宝石窗口片。
The Technical Difference Between the Kyropoulos Method and the Czochralski Method for Growing Sapphire Crystals
The Mechanism of Patterned Sapphire Substrate to Improve the Light Extraction Rate of GaN-based LED
Do You Know the Properties of Sapphire Windows?
