Size: 210mm*210mm±0.5mm(Diameter 295±0.5mm)
Thickness:160±20μm
Front Side (−): Silicon dioxide + blue nitride composite anti-reflection film (PID free), half-cut design; 12 roots busbar. The distance between the busbars is 17.45±0.15mm. The busbar width is 0.07±0.02mm , and the busbar has two forks head; the size of 12 pads is 1.0±0.2mm × 0.5±0.2mm.
Back Side (+): AlOX and SiNX dual layer and rear contact; the rear electrode is composed of 12 roots rear compound bus bar and 150-250 roots rear Al fingers, 12 sections, 1.4±0.3mm silver anode.