SCD1064-03B
DIAMETER: 4.500″+/-.003″
THICKNESS: 0.250″+/-.005″
PARALLELISM: 0.0005″ MAXIMUM T.I.R.
FLATNESS: 25 WAVES MAXIMUM (0.0005″TIR) WITHIN
CLEAR APERTURE, 2 FACES.
EDGE BEVEL: 0.015″/0.025″ X 45deg, 2 PLACES.
SURFACE FINISH: 80-50 PER MIL-O-13830 WITHIN CLEAR
APERTURE, 2 FACES.
CLEAR APERTURE: CENTRAL 4.250″MINIMUM DIAMETER.
MATERIAL TYPE/QUALITY: SILICON, OPTICAL GRADE,
SINGLE CRYSTAL, RANDOM
ORIENTATION.
COATING: ANTIREFLECTIVE COAT FOR MAXIMUM
TRANSMISSION FROM 4.0 to 5.0 MICRONS,
2 FACES.