石英窗片
| Material Crystal Quartz Flatness Lambda/2 at 633 per inch Scratch-Dig 60 - 40 Size tolerance ± 0.1 Parallelism less than 3 arc minutes Clear aperture 90 % Bevels (0.2-0.5)mm x 45° | |
| Diameter, mmThickness, mmPart Number12.72W8Q-225.43W8Q-1038.14W8Q-1550.86W8Q-20Sizes up to 50 mm diameter x 10 mm thicknessare available by special order. | |
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