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TY - CONF AU - Bertucci, M. AU - Bosotti, A. AU - D'Ambros, A. AU - Gresele, A. AU - Michelato, P. AU - Monaco, L. AU - Pagani, C. AU - Paparella, R. AU - Rizzetto, D. AU - Rizzi, M. AU - Sertore, D. AU - Visentin, A. ED - Michel, Peter ED - Arnold, André ED - Schaa, Volker RW TI - Electropolishing of PIP-II Low Beta Cavity Prototypes J2 - Proc. of SRF2019, Dresden, Germany, 30 June-05 July 2019 CY - Dresden, Germany T2 - International Conference on RF Superconductivity T3 - 19 LA - english AB - We present the upgrade of the EP facility for the surface treatment of PIP-II low beta cavities. The main process parameters, such as voltage, treatment time, acid throughput and cathode geometry, already optimized on the previous experience of 1.3 GHz Tesla-shape cavities, are discussed taking into account the different cavity size and geometry. The first surface treatments have been performed at Ettore Zanon SpA on single cell cavity prototypes in order to reach good final surface finishing and the required thickness removal. In the meantime, the upgrade of the system for the treatment of multicell PIP-II prototype cavities is presented. PB - JACoW Publishing CP - Geneva, Switzerland SP - 194 EP - 198 KW - cavity KW - cathode KW - experiment KW - FEL KW - linac DA - 2019/08 PY - 2019 SN - "" SN - 978-3-95450-211-0 DO - doi:10.18429/JACoW-SRF2019-MOP057 UR - http://jacow.org/srf2019/papers/mop057.pdf ER -