2 in Sapphire Wafer A-plane (11-20) Single Crystal Al<sub>2</sub>O<sub>3</sub>, MSE Supplies

2 in Sapphire Wafer A-plane (11-20) Single Crystal Al₂O₃

$ 69⁰⁰

Features of 2 in Sapphire Wafer A-plane (11-20) Single Crystal Al2O3

Material: High Purity >99.996%, single crystal Al₂O₃
Dimension: 50.8 mm +/- 0.1 mm
Thickness: 0.50 mm standard
Lattice Parameter: a=4.785 A, c=12.991 A
Density: 3.98 g/cm³
Orientation: A-plane (11-20) 0.2 +/- 0.1 degree
Primary Flat Orientation: C-plane
Primary flat length: 16.0 +/- 1 mm
Total Thickness Variation: <10 um
Bow: <10 um
Warp: <10 um
Thermal Expansion Coefficient: 6.66 x 10^-⁶ / °C parallel to C axis, 5 x 10^-⁶ /°C perpendicular to C axis
Dielectric Strength: 48,000 V/cm (1,200 V/mil)
Polishing: single side polished Ra < 0.5 nm (AFM), double size polish is available per request.