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Silicon rough material refers to raw silicon in its unprocessed form, typically used as the foundational substance in semiconductor manufacturing. This material is essential for producing high-purity silicon wafers, which are the substrates for integrated circuits and photovoltaic cells, playing a critical role in electronics and solar energy industries.
| Material | Ge, Si, ZnSe, ZnS, Chalcogenide Glasses | ||||
| Specification | Customized | ||||
| Diameter Range | 12mm～450mm | ||||
| Polishing diameter | 12mm～450mm | ||||
| Diameter Tolerance | 0.05mm | ||||
| Center Thickness Tolerance | 0.02mm | ||||
| Surface Quality | 20/10, 10/5 | ||||
| Surface Accuracy | PV λ/10, λ/20 | ||||
| Surface Roughness | Ra≤0.04μm | ||||
| Local Error | ≤0.5 | ||||
| Decentration | ≤1′ | ||||
| Total High Tolerance | ±0.02 | ||||
| Concave Sag | ±0.02 | ||||
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