silicon wafer

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silicon wafer
Posting date : Apr 29, 2010
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27-
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high and stable quality wafer is the most importanc factor in conversion efficiency ratio of solar cells. Now our wafer including 125*125 and 156*156. all of our wafer are high lifetime , Low Carbon and Oxygen and good surface quality Crystal structure Mono-crystalline Crystal method CZ Conductance Type P Dopant B dimension 125*125±0.4 156*156±0.4 Diameter Φ150±0.4 Φ165±0.4 Φ200±0.4 Crystal orientation <100>±1 Resistivity( Ω.cm) 1-3/3-6 Lifetime( μs) ≥15 Carbon concentration( atoms/cm3 ) ≤5*1016 Oxygen concentration( atoms/cm3 ) ≤0.95*1018

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