Monocrystalline Silicon Solar Cells

Dimension : 125 mm x 125 mm +- 0.5 mm Diagnoal : 150 mm +- 1.0 mm( round chamfers ) Thickness(Si): 310 m +- 40 m, 260 m +- 35 m, or 220 m +- 40 m Front : blue silicon nitride antireflection coatings, 1.5 mm silver busbar Back : full - surface aluminum back - surface field, 4.5 mm ( silver / aluminum ) continuous soldering pads