CONFIGURATION: RECTANGULAR PLATE, PLANE-PARALLEL.
LENGTH: 20.00mm +/- 0.10mm
WIDTH: 7.10mm +/- 0.10mm
THICKNESS: 2.50mm +/- 0.10mm
PARALLELISM: 5 ARC MINUTES MAXIMUM.
CORNER BEVELS: 0.10mm NOMINAL X 45deg, 4 PLACES.
EDGE BEVELS: 0.10mm NOMINAL X 45deg, 8 PLACES.
SURFACE ACCURACY: 1/10 WAVE MAXIMUM @ 633nm,
2 FACES.
SURFACE QUALITY: 10-5 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001)
COATING: NONE, NOT REQUIRED.