Solar cell process control with lasers: Demo at Q-Cells EU PVSEC booth

Q-Cells will showcase laser marking, including a booth demonstration. This technology enables each individual solar cell to be identified and assigned to the corresponding production step.

Click to Enlarge(September 8, 2010) — At the 25th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) this week, Q-Cells SE (QCE; ISIN DE0005558662) will showcase a new process designed to increase quality in solar cells: laser marking, including a booth demonstration. This technology enables each individual solar cell to be identified and assigned to the corresponding production step.

At the exhibition stand L2/H1/B6 will also be a range of solar cells, modules and systems.

Laser marking of solar cells is an ideal way to ensure quality and optimize processes, says Hans-Gerd Füchtenkort, CSO of Q-Cells SE. Laser marking of solar cells opens up new opportunities in quality control. Q-Cells has explored methods of marking solar cells, developing a production-ready laser-supported process for coding each individual solar cell. A European patent titled “Solar Cell Marking Procedure and Solar Cell” was issued for the laser

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marking technology. Q-Cells will market the proprietary rights secured during the development phase. The process will be fully implemented by the end of year. Also read: A close look at laser marking of silicon wafers by Jim Scaroni, Lumonics Corp., Oxnard Operations, Oxnard, California Terry McKee, Lumonics Inc., Kanata, Ontario, Canada

Click to EnlargeKey parameters, such as the delivery date of the raw material, supplier ID, and consumables used in the manufacturing process, can be saved and assigned to each solar cell. Digital marking of each individual solar cell allows end-to-end tracking across large sections of the photovoltaics value chain, through solar modules and systems.

Q-Cells will also exhibit its model “solar house” to demonstrate the full breadth of its product range — Q.PRO, Q.BASE and Q.SMART — including applications for slanted roofs, flat roofs, façades and ground-mounted systems. Visitors can also learn more about Q-Cells’ systems expertise in medium-scale projects for commercial and industrial clients, as well as for large-scale solar parks. High-quality crystalline solar cells be on display as well.

The Q-Cells Group product portfolio ranges from solar cells and modules up through complete photovoltaic systems. For more information, visit www.q-cells.com 

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