Dimension: 156.75mm*156.75mm±0.25mm
Thichness: 190±30μm
Front: 5 bus bars (silver)，width 0.7mm，108 finger grids ，
Blue anti-reflecting coating (silicon
nitride)
Back(+) : wide soldering pads (silver)1.8mm，
5 bus bars (aluminum)，160 finger grids(aluminum)，
Blue anti-reflecting coating (silicon nitride)
