| 摘要 |
PROBLEM TO BE SOLVED: To provide a target device that can suppress reduction of an operation efficiency while increasing the current value of a charged particle beam. ! SOLUTION: A target device 1 has a cyclotron 2 for accelerating negative ions N while making the negative ions N go around, a particle beam generator 11 for generating a charged particle beam B comprising positive ions C by converting the negative ions N to the positive ions C, and an irradiation target portion 4 which is irradiated with the charged particle beam B, and a beam transport portion 3 for transporting the charged particle beam B emitted from the irradiation target portion 4 to a target 4a. The particle beam generator 11 has a first foil stripper 12 and a second foil stripper 13 for generating a first charged particle beam B1 and a second charged particle beam B2. The beam transport portion 3 has a first transport portion 17a for transporting the first charged particle beam B1 from the first foil stripper 12 to the irradiation tar |
