CONFIGURATION: PLATE, RECTANGULAR, PLANE-PARALLEL
LENGTH: 19.834mm + 0.000mm /- 0.025mm
WIDTH: 6.350mm + 0.000mm /- 0.025mm
THICKNESS: 0.508mm +/- 0.008mm
CORNER BEVELS: 0.10mm MAXIMUM X 45deg,
4 PLACES.
EDGE BEVELS: 0.10mm MAXIMUM X 45deg, 8 PLACES.
EDGE SQUARENESS: 0.001mm MAXIMUM T.I.R.
PARALLELISM: < 0.10 MILLIRADIANS (21 ARC SECONDS)
TRANSMITTED WAVEFRONT: < 1.0 WAVE PEAK to VALLEY
(@ 633nm) WITHIN CLEAR APERTURE.
SURFACE QUALITY: 5-5 PER MIL-PRF-13830, 2 FACES.
CLEAR APERTURE: CENTRAL AREA DEFINED BY A 0.75mm
BORDER, IN FROM EDGES OF PART.
EDGE FINISH: FINE GROUND, NO CHIPS >0.05mm IN SIZE
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001) +/- 2 Deg.
COATING: NONE, NOT REQUIRED.