Wafer & Substrate		Wafer Features
Aluminum wafer Epi wafer GaAs wafer GaSb wafer Ge wafer Glass wafer InAs wafer	Oxide wafer Quartz wafer Sapphire wafer SiC wafer Silicon wafer SOI wafer SrTiO3 wafer	SEMI standard Prime grade Test grade Dummy grade CZ/FZ Mis-cut Epi polish TTV Ultra flat	Surface roughness Epi ready MOCVD MBE Epitaxial Doping level Cleanroom Vacuum saled