156mm Multi Solarwafer

multi solar wafer 156mm multi solar wafer Type:PDopant:BoronResistivity:1-3(ohm.cm)Dimension:156 x 156±0.5 (mm)Thickness:200±20 (μm)Oxygen Content:≤8.0 x 1017Carbon Content:≤1.0 x 1018Minority Carrier Lifetime:≥2 (us)Microcrystal:<10/cm2Saw Depth:<10 (μm)TTV:<30(μm)Bow:<50 (μm)Bevel Edge Angle:45°±2°Bevel Edge Length:1±0.5 (mm)Rectangular Angle<0.3°Edge Defect:No crack, no V-Shape ChipSurface Quality:As cut, cleaned, no stain; No water mark, no contamination, no pits on the surface.Edge Chips:Length<0.5mm, Depth<0.3mm, <2 per wafer.