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Sapphire Wafer, 4 inch, C-plane (0001), Single Crystal Al2O3

To better serve you, we would like to communicate with you about technical details. Please Contact Us for a quote.

  • Material: High Purity, single crystal Al2O3
  • Dimension: Φ100 mm ± 0.1 mm
  • Thickness: 0.65 mm standard
  • Lattice Parameter: a=4.785 A, c=12.991 A
  • Density: 3.98 g/cm3
  • Orientation: C plane (0001) off M plane 0.2± 0.1 degreeR-plane (1-102), A-plane (11-20), M-plane (10-10) are available per request.
  • Primary flat length: 30.0 ± 1 mm
  • Total Thickness Variation: <20 μm
  • Bow: <20 μm
  • Warp: <20 μm
  • Polishing: single side polished Ra < 0.2 nm (AFM), double side polished is available per request.
  • 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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