Manufacturer | Jiaozuo City Crystal Photoelectric Material Co., Ltd |
Crystal Materials: 99, 996% of Al2O3, High Purity, Monocrystalline
Crystal quality: Block marks, twins, Color, micro-bubbles and dispersal centers are non-existent.
Diameter: 2", 3", 4", 5" ~ 7"
In accordance with the provisions of standard production
Thickness: 250±15um, 330±15um, 430±15um, 500±15um, 550±15um, 650±15um
In accordance with the provisions of standard production
Orientation: C- plane , A-plane, R-plane, M-plane
C- plane to M-plane or A-plane Any orientation, Any angle.
Primary flat length: 16.0±0.8mm, 22.0±1.0 mm, 32.5±1.5 mm
In accordance with the provisions of standard production
TTV ≤10um ≤15um ≤20um ≤30um
LTV ≤5um ≤10um ≤15um ≤20um
TIR ≤10um≤15um ≤20um ≤30um
BOW ≤10um ≤15um ≤20um ≤30um
Warp ≤10um ≤15um ≤20um ≤30um
Front Surface: Ra< 0.2nm (By AFM)
Back Surface: Fine ground (Ra=0.5 to 1.0 um); Polished (Ra< 0.2nm).
Cleaning/packaging: 100 clean room cleaning, vacuum packaging
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