CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 15.00mm AS SUPPLIED
THICKNESS: 2.00mm +/- 0.10mm
PARALLELISM: 5 ARC SECONDS MAXIMUM.
FLATNESS: 1/10 WAVE MAXIMUM OVER CENTRAL
6.0mm DIAMETER, 2 FACES.
EDGE BEVEL: 0.50mm NOMINAL X 45deg, 2 PLACES.
SURFACE QUALITY: 10-5 PER MIL-O-13830, 2 FACES.
UNPOLISHED RING: BEAD BLAST THE POLISH FROM BOTH
SURFACES EXCEPT FOR THE CENTRAL 6.0mm DIAMETER.
MATERIAL TYPE/QUALITY: SAPPHIRE, AS SUPPLIED
CRYSTALLOGRAPHIC ORIENTATION: AS SUPPLIED