Length: 20.10mm + 0.00mm /- 0.10mm
Width: 11.10mm + 0.00mm /- 0.10mm
Thickness: 1.00mm +/- 0.05mm
Corner Bevels: Light Protective Bevel, 4 Places
Edge Bevels: Light Protective Bevels, 8 Places
Parallelism: 1 Arc Minute Maximum
Flatness: 1/2 Wave Maximum @ 633nm, Both Faces
Surface Quality: 60-40 Per MIL-PRF-13830, Both Faces
Clear Aperture: Central 18.10mm X 10.00mm
Rectangular Area, Both Faces
Material Type / Quality: Sapphire, Optical Grade
Crystallographic Orientation: c-Plane
Coating: None, Not Required