Development of Gating Foils To Inhibit Ion Feedback Using FPC Production Techniques D. Arai, K. Ikematsu, A. Sugiyama, M. Iwamura, A. Koto, K. Katsuki, K. Fujii and T. Matsuda EPJ Web Conf., 174 (2018) 02007 Published online: 21 February 2018 DOI: 10.1051/epjconf/201817402007