Attribute |
Specification |
Typical Diameter (Φmm) |
8.0, 10.0, 12.7, 15.0, 20.0, 25.4, 30.0 |
Typical Thickness (mm) |
1.0 ~ 50.0 |
Diameter Tolerance (mm) |
+0.0/-0.2 (General), +0.0/-0.02 (High Precision) |
Thickness Tolerance (mm) |
±0.2 (General), ±0.005 (High Precision) |
Clear Aperture |
>80% (Small Size), >95% (Large Size) |
Parallelism |
3 min. (General), 3 sec. (High Precision) |
Surface Quality |
60/40 (General), 10/5 (High Precision) |
Flatness (per [email protected]) |
λ /2(General), λ/10 (High Precision) |
Bevel (face width x 450) |
<0.25mm |
Coating |
Uncoated, AR, HR, PR, Coating, etc. |