CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 0.250″+/-.005″
THICKNESS: 1.00mm +/- 0.025mm
PARALLELISM: 1 ARC MINUTE MAXIMUM
FLATNESS: 1/4 WAVE MAXIMUM @ 633um, 2 FACES.
CLEAR APERTURE: CENTRAL 0.200″MINIMUM DIAMETER,
2 FACES.
SURFACE QUALITY: 20-10 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SILICON, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (100) +/- 30 ARC
MINUTES.
COATING: NONE, NOT REQUIRED.