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2"-wafer of quartz glass diameter: 50.8 ±0.3 mm thickness: 100 ±10 μm signle side polished,backside frosted scratch-dig 60-40 acc. to MIL-PRF-13830 no flattch |
Fused Silica Corning 7980 0f UV Grade 25.4mm square x 127um +/- 10um thick, optically polished both sides 40/20 scratch <25 Angstroms. |
Fused Silica Corning 7980 0f UV Grade 20mm square x 50um +/- 5um thick, optically polished both sides 40/20 scratch/dig <7 Angstroms |
Fused Silica Corning 7980 0f UV Grade 20mm square x 30um +/- 3um thick, optically polished both sides 40/20 scratch/dig <7 Angstroms |