Aspheric production capability
Aspheric Production Capabilities
| Processing Item | Processing Range | Tolerance Level | ||
|---|---|---|---|---|
| Standard Precision | High Precision | Ultra-High Precision | ||
| Outer Diameter | 10 mm - 300 mm | >= ±0.10 mm | ±0.05 mm | ±0.01 mm |
| Center Thickness | >= 1 mm | >= ±0.10 mm | ±0.05 mm | ±0.02 mm |
| Edge Thickness Difference (TIR) | > 0.002 mm | 0.100 mm | 0.050 mm | 0.010 mm |
| Aspheric Departure (φ50 mm Example) | up to 5 mm | < 1 mm | 1 mm | > 2 mm |
| Surface Figure Accuracy (PV @633 nm) | λ/10 | > 1.5λ | ～λ | < λ |
| Surface Figure Accuracy (RMS @633 nm) | λ/80 | >λ/4 | ～λ/6 | <λ/8 |
| Surface Smoothness (Slope) | 3 | N/A | 25 | 10 |
| Surface Roughness | <0.5 nm | > 2 nm | 2 nm | 0.5 nm |
| Surface Quality Grade | 0-0 | 60--40 | 40-20 | 20-10 and 10-5 |