Sapphire Wafer 4inch High Purity LED Optics Single Side Polished 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: 4inch ;
- Method: Kyropoulos ;
- Material: Mono-crystalline Al2O3(＞99.99%）;
- Diameter: 100 ± 0.5mm;
- Thickness: 650um ± 25;
- Orientation: C Plane  to M(1-100) 0.2°±0.1° ;
- OF: 30mm ± 1;
- Front side: Epi-ready, Ra＜0.3nm ;
- Backside: Ra＜1.2um;
- Packing: Wafer case ;
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