W-3025-FS-UC

CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 3.000″+.000″/-.005″
THICKNESS: 0.250″+/-.010″
PARALLELISM: 10 ARC SECONDS MAXIMUM.
FLATNESS: 1/4 WAVE MAXIMUM AT 0.633u, 2 FACES.
SURFACE FINISH: 20-10 SCRATCH/DIG PER MIL-O-13830,
2 FACES.
EDGE BEVEL: 0.50mm NOMINAL X 45deg, 2 PLACES.
MATERIAL: FUSED SILICA, STANDARD OPTICAL GRADE.
COATING: NONE, UNCOATED SUBSTRATE.