| Diameter | 1-240 mm | | Thickness | >/=0.15 mm | | Orientation | Random, C, R, A, M | | Flatness | 1 - 5 um per inch (depending on customer's request) | | Parallelism | <0.5 - 3 angular minutes (depending on customer's request) | | Chamfer | < /=0.1 - 0.5 mm x 45+/-5 deg | | Material quality | Grades 1-5 | | Transmittance for 0.2-5.7 um | See the transmittance data for 3 mm thick sapphire window made by Kyropulos & Bagdasarov | | Surface quality | 80/50, 60/40, 40/20, 20/10. or 10/5 per MIL-0-13830 |
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