poly solar wafer

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poly solar wafer
Posting date : May 14, 2010
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S12-
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产品详细描述 solar wafer 1)Conduction type: P boron doped 2)Wafer dimension: 156X156MM+-0.5mm 3)Thichness: 220(+-10%) 4)Specific resistivity: 0.2-6ohm 5)Lifetime: Over 2.2us 6)Saw mark: Below 15um 7)TTV: Below 30um 8)Square angle: 90 (0.3) 9)Warp angle: Below 40um 10)Oxygen Content: Below1X10E 18 Atoms/cm3 11)Carbon Content: Below5X10 E 16 Atoms/cm3 12)The conversion of solar cell which was made of this silicon wafer: 14.5% 13)The surface is clean, free from stains, marks, any spots and ovvious cutting breaking lines.

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