Material | |
Diameter Tolerance | +/- 0.1 mm |
Thickness Tolerance | +/- 0.1 mm |
Parallelism | ≤ 5 arc. min. |
Perpendicularity | 90 degree +/- 30 arc min or upon customer's request |
Chamfer | min. protective chamfer or upon customer's request |
* MgF2 blank will be offered in IR, UV or VUV grade qualities