Patent ID: 11961926
Assignee: NANTONG T-SUN NEW ENERGY CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 3:
4. The method for metallizing the front electrode of the N-type solar cell according to claim 1, wherein the front surface passivation anti-reflection coating is printed with the aluminum paste, dried at 200-300° C. for 2-5 min and sintered at a sintering peak temperature of 550-780° C. for 8-15 s to form the first fingers; the first fingers are overprinted with a low temperature-curing silver paste, dried at 100-200° C. for 5-10 min and cured at 150-250° C. for 3-5 min to form the second fingers.