solar wafer,solar cell,silicon

الوصف

Property Vendor's Spec Crystallinity Mono-crystalline Donor type / Dopant P / Boron Dislocation density (Etching Pit) < ***0 pcs /cm2 Orientation <**0> ± 3° Oxygen concentration <1.0 x ***8 atoms/cm3 Carbon concentration < 5 x ***6 atoms/cm3 Electrical properties Property Vendor's Spec Resistivity 0.**3.0 ohm-cm Lifetime ≧ *5 μs Geometry Property Vendor's Spec Geometry Pseudo Square Thickness (T) **0+/- *0 μm TTV =<*0 μm Dimensions (W) **5 ± 0.5 mm Diameter( mm ) **5 +/- 0.5 mm Dimensions (L) X = 7.8~9.5 Saw marks =< *5 Crack No Surface quality As cut and cleaned No visible Stains Edge chips No defect > 0.5 mm Warpage NA