Sapphire Wafer 2inch High Purity LED Optics Substrate
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High-purity Sapphire substrate for Research and Experiment.
According to demand, we can provide custom-made service.
Sapphire Wafer Specification:
- Size: 2inch ;
- Method: Kyropoulos ;
- Material: Mono-crystalline Al2O3(＞99.99%）;
- Diameter: 50.8 ± 0.1mm;
- Thickness: 430um ± 25;
- Orientation: C plane  to M-axis(1-100) 0.2°±0.1° ;
- OF: 16mm ± 1;
- Front side: Epi-ready, Ra＜0.3nm ;
- Backside: Fine ground Ra＜1.2um;
- Packing: Wafer case ;
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