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Beam line irradiation positions A. Developmental and “back-up” targets

Targets for the CC-18/9 cyclotron Olof Solin, Stefan Johansson, Esa Kokkomäki, Tom Wickström, Simo Vauhkala and Jörgen Bergman Turku PET Centre, Accelerator Laboratory. A. B. 2 m. C. Collimator and mating unit for target to beam line. Gas target chamber. D.

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Beam line irradiation positions A. Developmental and “back-up” targets

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  1. Targets for the CC-18/9 cyclotron Olof Solin, Stefan Johansson, Esa Kokkomäki, Tom Wickström, Simo Vauhkala and Jörgen Bergman Turku PET Centre, Accelerator Laboratory A B 2 m C Collimator and mating unit for target to beam line Gas target chamber D Technical drawing of typical gas target chamber & vacuum flange 90 mm Scheme for gas handling, helium cooling and water cooling for 18F-target chambers beeing tested Target station for the CC-18/9 installed for testing at the MGC-20 cyclotron • Main tasks of the CC-18/9 • Routine and continuous production of 11C, 13N, 15O and 18F • Gas and water target materials • Occasional production of radioisotopes of e.g. Cu, Br, Tc, I … • Mostly solid or molten target materials • Main characteristics of the CC-18/9 • 18 MeV protons, 9 MeV deuterons, fixed energy • negative ion acceleration, >50 mA extracted beam • three extraction ports, one beamline • switching magnet for 4 irradiation positions • Targets on beam lines • Cyclotron vacuum protection in case of foil rupture • Possibility to focus and spread out the beam on target • Easy access to target chambers Extraction ports CC-18/9 cyclotron at Turku PET Centre Operational autumn 2003 Beam line irradiation positions A. Developmental and “back-up” targets B. Target changing unit for standard targets for [11C]CO2, [11C]CH4, [13N]NO3 and [18F]F- production C. High yield experimental targets for [18F]F-, [18F]CH3F and [18F]F2 production D. 90° magnet for vertical beam; irradiation of solid and molten materials Keywords Use of CAD/CAM in target chamber manufacturing Operation and automation through pneumatics, PLC-units and Field Bus Extensive use of sensors

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