文档介绍：电池片外观标准
Defect ltem
检查项目
Passing criteria
合格标准
Body
总体外观
Micro cracks and holes
缺口及孔洞
No visible cracks or hol电池片外观标准
Defect ltem
检查项目
Passing criteria
合格标准
Body
总体外观
Micro cracks and holes
缺口及孔洞
No visible cracks or holes
目测不允许存在
Edge Chips
裂纹
No chip visible at cell edge
目测不允许存在
Surface damage(front)
正面崩边
Maximum 2 sites;≤2mm in length and ≤1mm in width
≤2mm长×1mm宽；最多不超过2处
Surface damage(back)
背面崩边
Maximum 3 sites;≤3mm in length and ≤1mm in width
≤3mm长×1mm宽；最多不超过3处
Surface
外观
Stains,fingerprints,etc
斑点
Front side surface stains,maximum 3 stains,total area≤15mm²(PECVD pin marks excluded)
斑点≤3个，总面积≤15mm²，（PECVD钩点不计）
Discolor
色差
≤1/4 cell area
小于电池片整体面积的1/4
Scratch
划伤
Total length≤10mm
总长度≤10mm
Surface bump
表面突起
Diameter<2mm and height<
直径<2mm，高度<
Print
(front)
正面印刷
Finger interruption
细栅线断开
Each interruption <1mm and maximum 2ea interruption
断栅长度<1mm，个数≤2个
Missing bus bar
正面主栅线缺失
Missing area ≤5mm in length and ≤ in width
缺失总面积≤×5mm长
Finger knots 结点
Maximum 10 knots 总个数≤10个
Printing alignment
印刷偏移
between pattern area and edge≤;
between border line and the edge＞