| 
 Substrate Material:   | 
 UV fused quartz (200nm - 2500nm); Imaging window grade   | 
| 
 Outer Dimension(LxW):  | 
 294.0 (-0.5/0) x 40.0 (-0.2/+0)mm  | 
| 
 Thickness:  | 
 2.0,+/-0.1mm  | 
| 
 Surface Quality:  | 
 60-40 scratch and dig, both surfaces all polished  | 
| 
 Flatness:  | 
 < Lambda /4 @ 632.8nm over 1-inch area on-jig tested  | 
| 
 Parallelism:  | 
 <1 arc minute   | 
| 
 Edge Surfaces:  | 
 Ground only 220-grit  | 
| 
 Chamfer Process:  | 
 Standard protection chamfer of 0.2 - 0.3mm x45deg 
4-corner with chamfer: C3.0 mm x 45deg  | 
| 
 Packing:  | 
 25pcs max per plastic pack; Vacuum packed; Individually packed with optical tissue for qty 1 - 10pcs order only.   | 
| 
 MOQ:  | 
 NA  | 
| 
 Note:  | 
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