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Analysis of influences on solar wafers during pick-and-place operations

: Fischmann, Christian; Giesen, Tim; Wertz, Roland; Böttinger, Fabian; Böffert, Nina; Verl, Alexander


Nowak, S. ; European Commission:
27th European Photovoltaic Solar Energy Conference and Exhibition, EU PVSEC 2012. DVD-ROM : Proceedings of the international conference held in Frankfurt, Germany, 24 - 28 September 2012
München: WIP-Renewable Energies, 2012
ISBN: 3-936338-28-0
European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) <27, 2012, Frankfurt>
Conference Paper
Fraunhofer IPA ()
handling; Material handling; Photovoltaik; wafer; wafer fabrication; Fertigung; Transport; Handhaben; Automatisierung

Beside the process optimization in solar cell manufacturing within the last years, the automated transport from one process to the following is one major aspect. To stay competitive in this more and more volatile market, the breakage and damage of the wafer and solar cells is essential. Therefore it is absolutely beneficial to know the damage potential of your processes and transport or handling systems. Actual state-of-the-art quality measurement equipments are often insufficient to give a detailed analysis about the influences of the handling influences. Especially the high-speed pick-and-place operations may have influences on the handling object. Therefore new methods for the evaluation of handling influences on the wafer or cell quality is required. With regards to the developments mentioned above, this paper is aimed at the analysis of the forces executed by the gripper on the wafer. Based on these values an indirect evaluation of the handling process can be done.