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Sapphire crystal retains its high strength at high temperatures,
has good thermal properties and excellent transparency. Sapphire
is aniso- tropic hexagonal crystal. The single crystal Sapphire is
highly trusted material with its excellent chemical stability,
mechanical property, and light transmission. |
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Specification |
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| Material : |
Optical Grade single
crystal Sapphire |
| Orientation : |
Random,
C-axis , A-plane , R-plane and M-plane |
| Diameter Tolerance : |
¡À0.01mm - ¡À0.2mm |
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Thickness Tolerance : |
¡À0.01mm - ¡À0.2mm |
| Clear Aperture : |
>90% |
| Parallelism : |
>30 arc second |
| Surface Quality : |
20-10 to 80-50 Scatch-dig |
| Flatness : |
>¦Ë/8 per inch @ 633nm |
| Bevel : |
<0.25mm¡Á45¡ã |
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