CONFIGURATION: DISC, PLANE-WEDGED
DIAMETER: 12.00 +/- 0.20mm
THICKNESS: 3.00 +/- 0.50mm @ HIGH SIDE OF WEDGE
WEDGE ANGLE: 20.0 MINUTES +/- 5.0 MINUTES
EDGE BEVEL: 0.25mm MAXIMUM X 45deg, 2 PLACES.
SURFACE ACCURACY: WEDGED FACE: 1/4 WAVE MAXIMUM
OVER CENTRAL 5.50mm DIAMETER.
NON-WEDGED FACE: 1/10 WAVE
MAXIMUM OVER CENTRAL 11.00mm
DIAMETER.
SURFACE QUALITY: 40-20 PER MIL-O-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001) NOMINAL
MARKING: ARROW ON OD SURFACE POINTING TOWARDS
THE NON-WEDGED FACE.
COATING: COAT PER SPECIFICATION SHEET SCD2048.