CBA_3638IAI has brought the technology of contacting back contact solar cells to a new level with the introduction of the BackContacter. The BackContacter uses laser soldering technology to produce reliable contacts. Laser soldering has the advantage that it can be applied in a fully automated production process and product costs are low. The BackContacter is the first to combine laser technology and soldering for back contacts in the solar industry.

sunwebThe function of the BackContacter is the laser soldering of back contacts. A processing head combines multiple laser beams that apply heat to the contact positions of the cell simultaneously. The processing head then moves to the next cell and the process is repeated until all the cells in the module are processed. The exact position and orientation of the cell is detected using machine vision. The high accuracy of the positioning contributes considerably to the reliability of the process.

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