|Manufacturer||Jiaozuo City Crystal Photoelectric Material Co., Ltd|
Our sapphire substrate can be used as the substrate for the growth of III-V compounds such as GAN for LED's.
Crystal materials: 99, 996% of Al2O3, High Purity, Monocrystalline
Crystal quality: Block marks, twins, Color, micro-bubbles and dispersal centers are non-existent
Primary flat length: 16.0±0.8mm
patterned spec. Diameter: 2.4 ± 0.2 µm; spacing: 0.6 ± 0.2 µm; depth: 1.5 ± 0.2 µm
Front Surface: Epi-polished, Ra< 0.2nm (By AFM)
Back Surface: Fine ground (Ra=0.5 to 1.2 um) or Epi-polished (Ra< 0.2 nm)
Cleaning/packaging: Class 100 clean room cleaning, vacuum packaging; 25 pieces in one cassette or single packaging.