Specification:
Crystal orientation: | C, A, M optional |
Diameter: | 20 - 300 mm |
Radius of curvature: | R10 - R150 |
Wall thickness: | > 1mm |
Edge thickness difference: | 0.05mm |
Total thickness variation: | 0.10mm |
C axis deviation: | 5 |
Centration: | 3 arc minutes |
Surface Quality | Better than 80-50 scratch and dig |
Power: | 10 fringes |
Irregularity: | 2 fringes |