京晶光电科技有限公司
双抛光学晶片
蓝宝石晶片经过双面研磨抛光加工后成为蓝宝石镜面产品，运用于光学产品领域，包括摄像头、屏幕、Home键等产品应用。
| Item | 2"DSP | 4"DSP | 6"DSP |
| Crystal | LED and Optics Grade Sapphire | LED and Optics Grade Sapphire | LED and Optics Grade Sapphire |
| Sapphire purity | ≥99.998% | ≥99.998% | ≥99.998% |
| Color | Transparent | Transparent | Transparent |
| Orientation | C plane ± 1° | C plane ± 1° | C plane ± 1° |
| Diameter | 51 ± 0.15mm | 100 ± 0.2mm | 150 ± 0.2mm |
| Thickness | 260µm、275µm、300µm | 600µm | 300µm、400µm |
| Surface Ra | Ra < 0.5 nm | Ra < 0.5 nm | Ra < 0.5 nm |
| TTV | ≤ 5 µm | ≤ 5 µm | ≤ 7 µm |
| Scratch | None by Visual | None by Visual | None by Visual |
| Packaging | Clean room, vacuum packing | Clean room, vacuum packing | Clean room, vacuum packing |
