Material:Anistropic saynthetic sapphire crystal
Orientation:Random
Diameter Tolernce:+0.0,-0.1mm
Thickness Tolernce:¡À0.2mm
Clear Aperture:>80%
Parallelism:3 arc minutes
Surface Quality:80-50 scrtch and dig
Flatness: Per 25mm at 633 nm
Bevel:<0.25mmx45¡ã |