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项 目 Item | 要 求 Requirement | |
电学性能 electronic characters | ||
导电类型(type) | P型 (B dopant) | |
电阻率(resistivity)(Ω·cm) | 1.0~3.0 | |
硅锭的少子寿命(minimum lifetime of bricks)(μs) | ≥5(average) | |
氧含量(oxygen)(ppma) | ≤10 | |
碳含量(carbon)(ppma) | ≤16 | |
晶体结构 crystal structure | ||
微晶(micro-grains) | 无(no) | |
表面质量 appearance | ||
硅落、缺口、裂纹、沾污、针孔(chips,V-shape, crack, stain, pinhole) | 无(Not allow) | |
崩边(edge chips)(mm) | L≤ 0.5,W≤ 0.3,no more than 2/wafer | |
线痕(μm) (saw marks) | ≤15 | |
弯曲度/翘曲度(bow/warp)(μm ) | ≤50 | |
尺寸 dimension | ||
边长(side length)(mm) | 156.75±0.25 | |
厚度(center thickness) (μm) | 200 | |
180 | ||
TV(μm) | 200 | ±20 |
180 | ±15 | |
TTV(μm) | 200 | ≤30 |
180 | ≤25 | |
垂直度(verticality ) | 90 o±0.3o | |
包装与储运 package and carriage | ||
包装(package) | 1盒400片;1箱1600片;1托48000片。 | |
400pcs/box,1600pcs/case,48Kpcs/pallet | ||
储存(Storage) | 温度(temperature.):10℃~40℃ | |
湿度(humidity):≤70% |
规格(mm) | 尺寸Dimension(mm) | |||||
A(Length) | B(Diagonal length) | C(Bevel edge width) | ||||
Max. | Min. | Max. | Min. | Max. | Min. | |
156.75P | 157 | 156.5 | 221.5 | 219.3 | 2 | 0.5 |
注:1.硅片的规格与电池片规格相对应; | ||||||
2.A、B、C分别参见图1。 | ||||||
Notice: 1.The dimension of wafer is related to the cell | ||||||
2.A、B、C refer to Fig. 1 | ||||||
图1 多晶硅片尺寸示意图 | ||||||
Fig1 Sketch map of multi-Si wafer |
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