タイトルまたは説明

Crystal growth method The Chohralsky Diameter mm **2, 51, 0 Length of an ingot mm ******0 Polarity of conductivity, alloying impurity P, Boron Orientation crystallographic ingot axis <**0> Off-orientation a geometrical axis of an ingot, no more Degrees 3 Specific resistance (R) Ohm * sm 0, 53 Concentration optically active oxygen, no more Sm*3 1***8 Concentration of carbon, no more Sm*3 1***7 Life time, not less Microseconds *0 Other requirements to a material There are no chips and bowls on a surface of an ingot in the size more than 3 mm, cracks.