MIC Sapphire

Dimensional range, limit deviation (mm)

Item Caliber (D) Wall thickness (T) Exterior dome height (H)
Dimension range φ50 ~φ400 2 ~ 10 <300

Technical criteria

tem Average Precise Ultraprecise
Surface quality  MIL 80/50 60/40 40/20
Surface roughness（nm） 1.5~2.5 0.5~1.5 < 0.5
Edge thickness difference 0.05 0.02 0.01
Wall thickness uniformity 0.10 0.05 0.02
C axis deviation ≤5° ≤2° ≤0.5°
Crystal orientation C、A、M optional 
Transmittance Under 632.8nm wavelength>85%
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