New developments in the field of high current ECR ion sources at the IAP RAS V.A. Skalyga, S.V. Golubev, I.V. Izotov, M.Yu. Kazakov, R.L. Lapin, S.V. Razin, A.V. Sidorov, R.A. Shaposhnikov and A.F. Bokhanov EPJ Web Conf., 187 (2018) 01018 Published online: 03 September 2018 DOI: 10.1051/epjconf/201818701018