25 - 70 MeV variable energy cyclotron for radio-isotope production

Two 25 - 70 MeV proton variable energy cyclotrons (model 750 PV) were constructed and are now under operation. 70 MeV protons are mainly used for the production of high purity I-123 with the nuclear reaction of I-127(p,5n)Xe-123 → I-123. 30 MeV protons are also used for the production of Ga-67, In-111, Tl-201 and so on. One of them was supplied to Medi + Physics, INC. in USA and another to Nihon Medi + Physics Co., LTD. in Japan. Main features of model 750 PV are as follows. 1. High power beam current extracted is available. 2. Full computer control system is realezed for easy operation and quick detection of a fault equipment. 3. Size is conpact and power consumption is low. (author)