Diamond wire sawing: State of the art and perspectives


By Fabrice Coustier, Laboratory for Materials and Processes for Solar Energy, CEA-INES, LMPS; Jean-Daniel Penot, Scientist, CEA-INES, LMPS; Gérald Sanchez, Head of R&D, Thermocompact; Michel Ly, Head of R&D, Thermocompact

The purpose of this paper is to give an overview of the use and potential of diamond wire for the silicon-shaping process in the PV industry. The current market and future prospects for helping to meet the goals of 2020’s roadmap of thinner wafers and reduced $/W are described.

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The 15th edition of Photovoltaics International hopes to bring some optimism to 2012 by tackling the key factors on how to cope with the current situation. Contributions come from MIT on using TCAD as a viable method for modelling metal impurity evolution; Alternative Energy Investing presents a comprehensive look at materials cost; and efficiency improvements are on offer by ECN. REC Solar and Tata BP Solar report on module lifetime and IMS Research gives us a brief rundown of 2012 global market expectations.

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