Sapphire substrate is the popular substrates for III-V nitrides, superconductor and magnetic epi film due to less mis-matched lattice and stable chemical and physical properties.
Wafer size
0.5" x 0.5" x 0.5 mm thick
Orientation tolerance
•+/- 0.5 Deg. •Please choose C, R, M, A plane orientation from " product option "
Polished surface
substrate surface is EPI polished via a special CMP procedure with RA < 8 A
Please choose 1 or 2 sides polished from " product option "
Package
Each wafer is packed in 1000 class clean room with 100 grade plastic bag with wafer container.
Precaution
R plane sapphire wafer is easy to cleave compared with C plane's.Please handle it with a care