Monocrystalline silicon Grade 1A2, 5/9 – 102,5 Date № ingot Mass, gram Length, mm Diameter, mm 2008, December 3635/3362 175 104,4 – 107.3 1 Polarity of conductivity: electronic 2 Orientation: 100 3 Average specific resistance (O * cm) upper end 5,0 lower end 3,7 4 Life span (mks) upper end 58-52 lower end 45-39 5 Dislocation density (cm-2) lower end ‹ 500 6 Defects upper end no lower end no 7 Oxygen concentration, at/cm -3 upper end 8,8 × 1017 lower end 8,4×1017 8[...]