OP6400 Sapphire windows

Catalog No. OP6400

Stanford Advanced Material can provide sapphire windows, lenses, prisms and domes in various shapes, sizes and forms i.e. squares, plates, rectangles and discs are available.

Specification of sapphire windows

Crystal LED Grade Sapphire
Sapphire purity >99.99%
Color Transparent
Orientation C plane tiled M axis 0.20°±0.05°
Diameter 50.85±0.05mm
Thickness 300±15 μm
Primary Flat Location A-axis ± 0.1°
Flat Length 16.0±0.5 mm
Front Side Roughness  Ra 0.2nm
Back Side Roughness  Ra 0.2nm
Edge Bevel Curve; Rounded
TTV 7.0µm (95%5um; 100%7um)
Tir 7.0µm (95%5um; 100%7um)
BOW BOW:-5+4µm (90%0)
Warp 10.0µm 
Bubble & Color    None by visual inspection in intensive light
Ground Boundary   None by visual inspection in fluorescent light
Cleanliness   Free visible contamination
Packaging Vacuum packed in one-piece box or Entegris cassettes of 25 in a class 100 clean room, under a nitrogen atmosphere

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