正面色彩及其均匀性(在电池片上方正对电池片观测) Color and its uniformity at the front surface of the cells(inspection carried out by facing the front surface of cells vertically) | 蓝色, 同一批次电池片的颜色应该一样。 Blue, Same color for the same lot of cells. |
| 色差/色斑/ Discoloration/stain/ | 同一片电池上因这些因素导致的色彩不均匀面积应小于2cm2,氮化硅沉积过程中硅片挂钩区域除外 。 Non-uniformity in color caused on the front surface of the same cell due to these factors≤2 cm2 in area,with exception for the areas due to the wafer hooks during the SiN deposition . |
| 指印 finger print | 应小于2cm2 |
| 水痕 water mark | 应小于2cm2 |
| 电池片正面划伤 Scratch at the front surface of cells | 电池片表面无划伤,但对于在制作过程中采用激光刻蚀工艺的电池的边沿刻蚀线除外。 No scratch allowed,with exception of laser scratched lines for the cells fabricated with laser for edge isolation. |
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