Sapphire is second only to diamond in hardness and will provide a stronger and more durable carrier than Fused Quartz.
Diameter: 4.00″ +/- .002″
Thickness: .040″ +/- .002″, .125″ +/- .002″
Parallelism: 0.0025mm
Flatness: Controlled by Parallelism
Surface Finish: Polished 80-50, 2 faces
Material Quality: Optical Grade
Crystallographic Orientation: Random or C-Plane
Diameter: 3.00″ Dia
Thickness: .040″ +/- .002″, .125″ +/- .002″
Parallelism: 0.0025mm
Flatness: Controlled by Parallelism
Surface Finish: Polished 80-50, 2 faces
Material Quality: Optical Grade
Crystallographic Orientation: Random or C-Plane