Dimension: 156.75mm*156.75mm±0.25mm
Thichness:190±30𝛍𝐦
Front: 4 busbars (silver), width 0.8mm, 96 finger grids
blue anti-reflecting coating (silicon
nitride), 15% hollow part
Back(+) : Width of back electrode (silver) 0.8mm, back surface
field ((aluminum), dotted laser design