Solar grade monocrystalline silicon wafer

Product Description

Brand: TIANNENG (OEM Accepted) Year of Establishment: ***6 Country of Origin : China (mainland) Terms of Payment: T/T or L/C Minimum Order Quantity: ***0pcs Shipment: within *5 days after the receipt of advance payment or L/C Model **5 Mono Wafer General Characteristics Growth Method CZ Conductivity type P Dopant Boron Resistivity 0.**3ohm*cm;**6ohm*cm Oxypen concentration at<1**0 *8 /cm 3 Carbon Concentration at<5**0 *6 /cm 3 Lifetime ≥*0μs Density <***0/cm 2 Microcrystal Structural Characteristics Corner between pseudosquare’s side *0±1° Orientation **0±1° Dimension **5±0.5mm Diameter **0±0.5mm Thickness **0±*0μm Shape Mechanical Characteristics TTV <*0μm Bow <*0μm Surface Finished as wire-cut Saw Mark ≤*5μm Chip defect ≤2 per wafer.Depth≤0.5mm, Length≤1.0mm Appearance Clean;Edgedefects, Pinholes, Cracks are not allowed