MSE PRO Prime Grade C-plane (0001) Al2O3 Sapphire Crystal Substrate, 5x5x0.5mm
SKU: WA0440
MSE PRO™ Prime Grade C-plane (0001) Al2O3 Sapphire Crystal Substrate, 5x5x0.5mm
SKU# WA0440 (SSP) or WA0441 (DSP)
Customized sapphire wafers and windows are available upon request
- Material: High Purity >99.99%, single crystal Al2O3
- Dimension: 5x5x0.5mm
- Lattice Parameter: a=4.785 Å, c=12.991 Å
- Density: 3.98 g/cm3
- Orientation: C plane (0001)
- Total Thickness Variation (TTV): <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: 4.8 x 105 V/cm
- Dielectric Constant: 11.5 (1 MHz) along C axis, 9.3 (1 MHz) perpendicular to C axis
- Dielectric Loss Tangent (a.k.a. dissipation factor): less than 1 x 10-4
- Thermal Conductivity: 40 W/(m.K) at 20℃
- Polishing: Single side polished (SSP) or Double side polished (DSP) Ra < 0.5 nm (by AFM).