Sapphire Wafer 2inch 3inch 4inch C Plane High Quality LED Optics Single/Double 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: 2inch ;
• Method: Kyropoulos ;  
• Material: Mono-crystalline Al2O3(＞99.99%）;
• Diameter: 50.8 ± 0.1mm;
• Thickness: 430um ± 15;
• Orientation: C Plane [0001] to M(1-100) 0.2°±0.1° ;
• OF: 16mm ± 1;
• TTV＜10um；
• BOW＜15um；
• WARP＜15um；
• Front side: Epi-ready, Ra＜0.3nm ;
• Backside: Ra＜1.2um;
• Packing: Wafer case ;