Sapphire Substrate 2 inch Dec 17, 2009

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

Diameter: 50.8mm

Thickness: 250, 330, 430, 500,±15 µm

Orientation: C-plane(0001), M-plane, A-plane, R-plane

Primary flat length: 16.0±0.8 mm

TTV≤10 µm

BOW≤10 µm

Warp≤10 µm

Front Surface: Epi-polished, Ra< 0.2nm (By AFM)

Back Surface: Fine ground (Ra=0.5 to 1.2 µm) or Epi-polished (Ra< 0.2 nm)

Cleaning/packaging: Class 100 clean room cleaning, vacuum packaging derived nitrogen; 25 pieces in one cassette or single packaging.