GYROTRON-DRIVEN ECR ION SOURCE SCALING, DESIGN, AND EXPERIMENTS W. HALVERSON, Y.K. PU, L. BROMBERG, D. COHN, C. PETTY, R. POST, D. SMATLAK, R. TORTI and L. WANG J. Phys. Colloques, 50 C1 (1989) C1-751-C1-758 DOI: 10.1051/jphyscol:1989179