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TY - CONF AU - Nii, K.N. AU - Chouhan, V. AU - Hayano, H. AU - Ida, Y.I. AU - Ishimi, K. AU - Kato, S. AU - Monjushiro, H. AU - Saeki, T. AU - Sawabe, M. AU - Yamaguchi, T.Y. ED - Yamazaki, Yoshishige ED - Facco, Alberto ED - McCausey, Amy ED - Schaa, Volker RW TI - Development of New Type "Ninja" Cathode for Nb 9-cell Cavity and Experiment of Vertical Electro-Polishing J2 - Proc. of LINAC2016, East Lansing, MI, USA, 25-30 September 2016 C1 - East Lansing, MI, USA T2 - Linear Accelerator Conference T3 - 28 LA - english AB - Marui Galvanizing Co. Ltd. has been improving Vertical Electro-Polishing (VEP) technologies and facilities for Nb 9-cell superconducting accelerator cavity for International Linear Collider (ILC) in collaboration with KEK. This time, we developed new type 'Ninja' cathode in order to improve VEP uniformity of Nb 9-cell cavity inner surface based on the results of 1-cell cavity VEP experiment. In this article, we will report construction of new type "Ninja" cathode for Nb 9-cell cavity and experiment of VEP using this. PB - JACoW CP - Geneva, Switzerland SP - 223 EP - 225 KW - cavity KW - cathode KW - experiment KW - target KW - collider DA - 2017/05 PY - 2017 SN - 978-3-95450-169-4 DO - 10.18429/JACoW-LINAC2016-MOPLR039 UR - http://jacow.org/linac2016/papers/moplr039.pdf ER -