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2 inch Sapphire Wafer C-Plane Single or Double Side Polish Al2O3 Single Crystal

  • $ 4190


Sapphire Wafer, 2 inch, C-plane (0001), Prime Grade

  • Material: High Purity >99.99%, single crystal Al2O3
  • Dimension: Φ50.8 mm ± 0.1 mm
  • Thickness: 430 µm ± 25 µm for SSP and 400 µm ± 25 µm for DSP (other thickness available upon request)
  • Lattice Parameter: a=4.785 Å, c=12.991 Å
  • Density: 3.98 g/cm3
  • Orientation: C plane (0001) to M (1-100) 0.2 ± 0.1 degree off.
  • Primary Flat Orientation: A-plane [11-20] ± 0.2°
  • Primary Flat Length: 16.0 ± 1.0 mm
  • Total Thickness Variation (TTV): <5 μm
  • Bow: <10 μm
  • Warp: <10 μm
  • Polishing: single side polished (SSP) front side epi-ready surface Ra < 0.3 nm (AFM), back side fine-ground Ra = 0.8 ~ 1.2 µm, or double side polished (DSP) both front and back sides epi-ready surface Ra < 0.3 nm (AFM)
  • Package: packaged in a class 100 clean room environment, in cassettes of 25 pcs or single wafer containers, under nitrogen atmosphere.

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