Schematic drawing of Hyper ECR Ion Source. (1) Plasma chamber; (2) ECR zone; (3) solid material rod; (4) RF wall; (5) vacuum vessel; (6) mirror coil 1 (MC1); and (7) mirror coil 2 (MC2).
(a) and (b) Schematic view of the developed SMR method. A: ECR zone, B: RF wall, C: SMR, D: distance between the RF wall and edge of SMR, E and F: rod insertion openings, and G: area of star-like plasma scorch (solid line: gas inlet side and dotted line: beam extraction side).
(a) and (b) Schematic cross section of new MO. A: vessel filling material, B: heat shield, and C: opening.
Ion beam intensity of 40Ca12+ to distance of CaO rod inserting from opening E. (a) Ion beam intensity and (b) total current of extraction electrode.
Ion beam intensity of 40Ca12+ to distance of CaO rod inserting from opening F. (a) Ion beam intensity and (b) total current of extraction electrode.
Ion beam intensity as a function of coil current of MC1. SMR was fixed at one of the three positions of 83.47 mm, 83.95 mm, and 84.45 mm.
Beam intensities of the typical ion species.
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