4H-Semi SiC Al2O3 C-plane Saphire C-SOI Wafer Customizable Dioxide Wafer Gallium Phosphide GaN GaP GaP wafers High Purity Inp Poor sealing of wafer cassettes Quartz Tube sapphire Sapphire Glass Sapphire Glass Window sapphire lens sapphire material Sapphire Tube Sapphire tubes Sapphire Wafer Sapphire Wafer Substrate Sapphire watchcase Sapphire Watch Cases Sapphire Window Sapphire Windows SiC SiC bulk wafer silicon Silicon-On-Insulator Silicon Carbide silicon wafer Single crystal sapphire SiO2 wafer SOI SOI Wafers TGV glass wafer cassettes 磷化铟