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4 inch x 1.5mm Thick Sapphire Wafer C-Plane| MSE Supplies– MSE Supplies LLC

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MSE PRO 4 inch x 1.5mm Thick Sapphire Wafer C-Plane Double Side Polish Al<sub>2</sub>O<sub>3</sub> Single Crystal

MSE PRO 4 inch x 1.5mm Thick Sapphire Wafer C-Plane Double Side Polish Al2O3 Single Crystal

SKU: WA0447

  • $ 19995

Sapphire Wafer, 4 inch, 1.5mm Thick, C-plane (0001), Prime Grade

Customized sapphire wafers and windows are available upon request

  • Product SKU#:  WA0447 for double side polished
  • Material: High Purity, >99.99%, single crystal Al2O3
  • Dimension: 100.0 mm +/- 0.1 mm
  • Thickness: 1.5mm +/- 0.1 mm
  • Lattice Parameter: a=4.785 A, c=12.991 A
  • Density: 3.98 g/cm3
  • Orientation: C plane sapphire (0001) off M plane 0.2+/- 0.1 degree, R-plane (1-102), A-plane (11-20), M-plane (10-10) are available.
  • 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: 42W/(m.K) at 20℃ 
  • Polishing: double side polished (DSP) both front and back sides optical polished