Diameter: 5~200mm; Diameter Tolerance: ±0.05mm
Thickness: 0.5mm up; Thickness Tolerance: ±0.05mm
Surface Quality: 40/20
Parallelism: 10 arc seconds
Centration: 2 arc minutes
Flatness: 1/4λ at 632.8nm
Coating:
a) BBAR coating for 3~5 , Tave≥95%
b) DLC coating for 3-
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