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CC-18/9 Cyclotron Target System: Design and Implementation at Turku PET Centre

This project focuses on the design and installation of the target station for the CC-18/9 cyclotron at Turku PET Centre. The system is capable of producing various isotopes like 11C, 13N, 15O, and 18F with operational details and technical drawings provided. The cyclotron features advanced capabilities such as high beam extraction and multiple irradiation positions. Various target materials including gas and water are accommodated, offering flexibility for routine production and experimental purposes. The design incorporates CAD/CAM technology and automation for efficient operation.

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CC-18/9 Cyclotron Target System: Design and Implementation at Turku PET Centre

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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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