Sapphire wafer 6inch 8inch High Quality LED Optics Single Side Polished Substrate

♦️High-quality Sapphire wafer for Research and Experiment.

♦️Provide small quantities, special specifications products, and customized services

♦️Global shipping, secure payment, large inventory.

♦️Minimum delivery time within 1 week. Shipped by FedEx, DHL,UPS, etc.

Sapphire Wafer  Specification:

• Size: 6inch ;
• Method: Kyropoulos ;  
• Material: Mono-crystalline Al2O3(＞99.99%）;
• Diameter: 150 ± 0.25mm;
• Thickness: 1000um ± 25;
• Orientation: C-Plane (0001), 0.2 off M-axis ± 0.1° ;
• TTV＜10um；
• BOW＜15um；
• WARP＜30um；
• Front side: Epi-ready, Ra＜0.5nm ;
• Backside: Polished Ra＜0.5nm;
• Packing: Wafer case ;