CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 0.400″+/-.002″
THICKNESS: 0.100″+/-.002″
PARALLELISM: 2 ARC MIN MAXIMUM
EDGE BEVELS: 0.010″ MAXIMUM X 45deg, 2 PLACES.
FLATNESS: PWR: 2 FRINGES MAXIMUM, 2 FACES.
IRRG: 0.5 FRINGES MAXIMUM, 2 FACES.
SURFACE FINISH: FACES POLISHED 60-40
OD AND BEVELS BUFF POLISHED.
CLEAR APERTUE: CENTRAL 0.250″MINIMUM, 2 FACES.
NO EDGE CHIPS INSIDE CLEAR APERTURE.
MATERIAL TYPE/QUALITY: ZINC SELENIDE, LASER GRADE.
COATING: NONE, UNCOATED SUBSTRATE.