Title of Contribution Author Paper size w 84,1 cm x h 118,9 cm Logo of Affiliation Paper No ### The 28th International Symposium on Discharges and Electrical Insulation in Vacuum (ISEDEIV 2018) Conference Office c/o INP Greifswald ∙ ISDEIV 2018 ∙ Felix-Hausdorff-Str. 2 ∙ 17489 Greifswald Title of Contribution Author Paper size w 84,1 cm x h 118,9 cm 1st Author Affiliation Poster Session Manuscript No