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6 inch Sapphire Wafer C-Plane Single or Double Side Polish Al<sub>2</sub>O<sub>3</sub> Single Crystal, MSE Supplies

MSE PRO 8 inch Sapphire Wafer C-Plane Single or Double Side Polish Al2O3 Single Crystal

  • $ 70995
  • Save $ 8600

MSE PRO™ 8 in Sapphire Wafer C-Plane Single or Double Side Polish, Prime Grade

Customized sapphire wafers and windows are available upon request

  • Product SKU#: WA0436 for single side polished, WA0437 for double side polished
  • Material: High purity single crystal Al2O3, sapphire wafer.
  • Dimension: 200.00 mm +/- 0.15 mm, 8 inch
  • Thickness: 1000 +/- 25 um
  • Orientation: C plane (0001) off M (1-100) plane 0.2 +/- 0.1 degree
  • Notch Orientation: A plane <11-20>+/- 0.25 degree (NOT Flat)
  • Notch Depth: 1+/-0.025mm
  • Total Thickness Variation (TTV): ≤30 um
  • Bow: -20 to 0 um
  • Warp: ≤25 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 < 2 nm. The reverse side of SSP wafer was fine ground to Ra = 0.8 - 1.2 um.
  • Transmittance: 88% +/-1 % @460 nm
  • Images for reference only