Substrate: BOROFLOAT®
Dimensional Tolerance: ±0.1mm
Thickness Tolerance: ±0.1mm
Surface Flatness:1(0.5)@632.8nm
Surface Quality: 60/40 or better
Edges: Ground, 0.3mm max. Full width bevel
Back Surface:Ground
Clear Aperture: 85%
Coating: Metallic(Protective Gold) Coating