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

MSE PRO 1 inch Sapphire Wafer C-Plane Single or Double Side Polish Al2O3 Single Crystal

  • $ 2500
Qty (pieces) Price (per piece)
1 - 10 $ 25.00
11 - 24 $ 18.75
25 - 25+ $ 16.25

Sapphire Wafer, 1 inch, C-plane (0001), Prime Grade

Product SKU#: WA0427 for single side polished (SSP) or WA0430 for double side polished (DSP)

Customized sapphire wafers and windows are available upon request

  • Material: High Purity >99.99%, single crystal Al2O3
  • Dimension: 25.4 mm +/- 0.1 mm
  • Thickness: 650 um +/- 25 um for SSP, 600 um +/- 25 um for DSP
  • Lattice Parameter: a=4.785 Å, c=12.991 Å
  • Density: 3.98 g/cm3
  • Orientation: C plane (0001)
  • Primary Flat Orientation: no flat
  • Primary Flat Length: no flat
  • Total Thickness Variation (TTV): <5 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). The reverse side of SSP wafer was fine ground to Ra = 0.8 - 1.2 um.
  • Transmittance: 88% +/-1 % @460 nm (for DSP wafers)
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