STATUS OF THE INS ECR ION SOURCE Y. OHSHIRO, M. OYAIZU, Y. SHIRAKABE, N. UEDA, E. TOJO, M. SAWADA et M. SEKIGUCHI J. Phys. Colloques, 50 C1 (1989) C1-799-C1-806 DOI: 10.1051/jphyscol:1989186