Now our products including 125*125 and 156*156, and all of them is high inner quality and surface quality Crystal structure Mono-crystalline Crystal method CZ Conductance Type P Dopant B dimension 125*125í+0.4 125*125í+0.4 156*156í+0.4 Diameter ª¦150í+0.4 ª¦165í+0.4 ª¦200í+0.4 Crystal orientation í+1 Resistivity( ª+.cm) 1-3/3-6 Lifetime( ª¦s) í¦15 Carbon concentration( atoms/cm3 ) í_5*1016 Oxygen concentration( atoms/cm3 ) í_0.95*1018. 300pcs/box.