CONFIGURATION: RECTANGULAR PLATE, STEPPED AREAS
OVERALL LENGTH: 1.300″+/-.005″
OVERALL WIDTH: 0.660″+/-.005″
OVERALL THICKNESS: 0.236″+/-.005″
STEPPED LENGTH: 1.040″+/-.005″
STEPPED WIDTH: 0.400″+/-.005″
STEPPED THICKNESS: 0.141″ REF.ONLY
LEDGE THICKNESS: 0.095″+/-.002″
CORNER BEVELS: 0.050″+/-.010″ X 45deg, 8 PLACES.
EDGE BEVELS: 0.010″ MAXIMUM X 45deg, 24 PLACES.
PARALLELISM: CONTROLLED BY THE THICKNESS AND
LEDGE TOLERANCES.
SURFACE ACCURACY: 1/4 WAVE MAXIMUM @ 633nm,2 FACES
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
CLEAR APERTURE: CENTRAL 0.600″ X 0.200″ AREA,
BOTH FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: c-PLANE
COATING: NONE, NOT REQUIRED.