Additional information
| Weight | .6 oz |
|---|---|
| Dimensions | 649131626 × 6495772 × 254 mm |
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W1274- FS 200mm dia x 0.381mm th
$557.00
Product Attributes
Material/Grade: Corning 7980 UV, Grade 0F
Diameter: 200.00mm ± 0.20mm
Thickness: 0.381mm ± 0.010mm
Metrology Wavelength: 632.8nm
Clear Aperture (CA): 3.00mm exclusion zone around periphery
Transmitted Wavefront: < 1/5 wave over 6.00mm sub aperture
Reflective Wavefront: side 1 6mm in from edge (318mm x 145mm) side 2 <10 waves, <1 wave/In. Irreg.
Parallelism: </= 20 arc seconds
Bevel(s): C-Bevel
Chips: </= 0.50mm edge chips allowed, no limit on qty.
Cosmetics: 20/10
Edge Finish: Fine Edge Ground
Roughness: </= 12 Angstroms RMS
7 in stock
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