DIAMETER: 0.790″+/-.002″
THICKNESS: 0.075″+/-.002″
PARALLELISM: 0.001″/INCH MAXIMUM T.I.R.
EDGE BEVEL: 0.010″/0.015″ X 45deg, 2 PLACES.
FLATNESS: 1/10 WAVE OVER 90% CA, 2 FACES.
SURFACE FINISH: 80-50 PER MIL-O-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001) NOMINAL
COATING: ANTIREFLECTIVE COATING FOR MAXIMUM
TRANSMISSION AT 3.0 MICRONS, 2 FACES.