A plane (1-120) sapphire wafer is being used extensively as a substrate for III-V nitrides and magnetic epitaxial films due to its better lattice mismatch
Wafer size
2" dia x 0.4 - 0.5 mm thickness
Orientaion
A plane <11-20> ori.( +-05o) with Standard Flat
Polished surface
Wafer surface is EPI polished via a special CMP procedure.
Package
Each wafer is packed in 1000 class clean room with 100 grade plastic bag with wafer container.
