| 主权项 |
1. A pattern of electrically conductive material printed on a silicon solar cell comprising:
at least one bus bar and a plurality of finger lines the bus bar and the finger lines made of electrically conductive material and deposited in two deposition processes, wherein the bus bar is a strip of electrically conductive material with a plurality of protrusions extending from at least one side of the strip, the strip includes a substantially flat surface configured to receive a tabbing ribbon of about the same or smaller width than that of the strip; and the finger lines overlap at least at one end with the protrusions. |
