Key Specifications/Special Features:

• Sapphire window for semiconductor industries
• Sapphire possesses nice light transmission in 0.20 to 5.50um wave band and the infrared ray transmission is hardly influenced by temperature, so the optical components made of sapphire are fully applied to military infrared equipment, low-temperature laboratory viewing aperture, navigation, aviation high precise apparatus, and more
• Specification:
  • Diameter: F1.00 to F55.00mm
  • Max deviation of diameter: 0.003 to 0.02mm
  • Thickness: 0.05 to 20.00mm
  • Max deviation of thickness: ±0.01
• Technical index:
  • Material: synthetic sapphire single crystal (a-Al2O3 = 99.99%)
  • Orientation: C, A, R
  • Axis direction: C-axis deviation ±3 degree
  • Surface roughness: Rz0.1
  • Flatness: 633nm
  • Fringe accuracy: 0.1
  • Center deviation: 0.01mm
  • Surface requirement: polish on both sides
  • Surface quality: S/D 40/20, S/D 60/40, S/D 80/50
  • Infrared ray transmission: when 633nm >85%

  Payment Details:

  Payment Terms:
  
  TT or L/C at sight
  
  Minimum Order:
  1 to 99 Pieces
  
  

  Delivery Details:

  Lead Time:
  15 - 45 days