156mm*156mm Monocrystalline Wafer

156mm*156mm Monocrystalline Wafer

1 Type: P
(2) Size: 156 * 156 ± 0.4mm
3 Diameter: Φ200 ± 0.4mm
4 Thickness: 200 ± 10μm
5 Resistivity :1.0-3 .0 Ω · cm
6 minority carrier lifetime ≥ 15μs
7 oxygen content ≤ 1 × 1018atoms/cm3
8 carbon content ≤ 5 × 1016atoms/cm3
9 Bending: ≤ 30μm
10.TTV: ≤ 25μm
11 the dislocation density: ≤ 1000/cm ³
12 surface, edge grain to: <100> ± 1.0
13 chipping: length ≤ 0.4mm, depth ≤ 0.8mm, not more than 2 per tablet, intervals Space ≥ 30mm
14 gap: length ≤ 1mm, depth ≤ 0.3mm, each piece ≤ 1
15 chips no cracks, holes and obvious marks and pits