High quality and good surface quality to meet the updating request of pv development and reduce the production cost. Crystal structuremono-crystalline Crystal method cz Conductance typep Dopant b Dimension125*125ía0.4156*156ía0.4 Diameter ª¦150ía0.4 ª¦165ía0.4ª¦200ía0.4 Crystal orientation ía1 Resistivity( ª+.Cm) 1-3/3-6 Lifetime( ª8s) í²15 Carbon concentration( atoms/cm3 )ín5*1016 Oxygen concentration( atoms/cm3 )ín0.95*1018 125*125 and 156*156