Sapphire Crystal Glass D50mm to D153mm

Standard Shipping via DHL/FedEx/UPS/TNT/EMS Product Name: Sapphire(Al2O3) Glass Single Crystal Substrate Wafer Material: Al2O3 Optical Grade or Smoothness of the Surface): 20/10 Surface Roughness (Ra)(um): 0.05-0.2 Size Tolerance: Diameter ±0.05, Thicekness ±0.01 Chamfer: n/a EST: 3 –7 days   If need other Dimensions, Custom...