We offer Monocrystalline silicon ingots as followiing: Material: Monocrystalline Silicon IngotsDiameter: 152 x 152 , 125 x 125 Origin: RussiaPlace of inspection: Moscow, RussiaQuantity 625 kgParameterUnit of measureParameter point
Crystal growth method The Chohralsky
Diameter mm (152, 5) ?1, 0
Length of an ingot mm 150?550
Polarity of conductivity P- type
Dopant Boron
Orientation of crystallographic ingot axis <100>
Off- orientation of a geometrical axis of an ingot, no more thanDegree?3
Specific resistance (R) Ohm?cm0, 5?3
Concentration of optically active oxygen, no more thanat/ cm31?1018
Concentration of carbon, no more thanat/ cm31?1017
Life time, not less thanmicroseconds10
On the surface of the ingot of the size more than 3 mm there are no chips and cissings.