MSE PRO Prime Grade C-plane (0001) Al₂O₃ Sapphire Crystal Substrate, 10x10x0.5mm

MSE PRO™ Prime Grade C-plane (0001) Al₂O₃Sapphire Crystal Substrate, 10x10x0.5mm

SKU# WA0434 (SSP) or WA0435 (DSP)

Customized sapphire wafers and windows are available upon request

Material: High Purity >99.99%, single crystal Al₂O₃
Dimension: 10x10x0.5mm
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).

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