[23P] Poster 3

[23P-38] Dependence of Negative Hydrogen Ion Production on Plasma Grid Material

*Yuta Morinaga¹, Toshimitsu Kamikawa¹, Yuto Hiraoka¹, Masahumi Yoshida¹, Wataru Oohara¹, Atsushi Kojima², Masahiro Ichikawa², Mieko Kashiwagi² (1. Yamaguchi Univ. graduate school of Sciences and Technology for Innovation, 2. National Institutes for Quantum and Radiological Science and Technology)