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TY - CONF AU - Boldt, O. AU - Eichel, M. AU - Lucht, S. AU - Netterdon, L. AU - Roth, A. AU - Seher, M. AU - Stephani, T. AU - Wiesner, M. ED - Conradie, Lowry ED - De Villiers, John Garrett ED - Schaa, Volker RW TI - Manufacturing and Commissioning of Cyclotrons in a Series Production at Varian J2 - Proc. of Cyclotrons2019, Cape Town, South Africa, 23-27 September 2019 CY - Cape Town, South Africa T2 - International Conference on Cyclotrons and their Applications T3 - 22 LA - english AB - On 16th March 2019, Varian celebrated the 10th anniversary of first patient treatment in the Munich Proton Center, Germany. Since the first cyclotron installation, 22 more 250 MeV superconducting isochronous proton cyclotrons have successfully been manufactured, commissioned, and tested in our Troisdorf production line. During this process, an increasing experience with the cyclotron’s internal mechanisms and underlying physics allowed for a nowadays significant faster commissioning lead time without having changed the hardware setup substantially. Furthermore, we can already verify full clinical performance of each cyclotron in the factory test cells before delivery to the customer. Essential improvements in the areas of qualification of magnetic field configuration, RF conditioning, and beam commissioning are presented. PB - JACoW Publishing CP - Geneva, Switzerland SP - 192 EP - 194 KW - MMI KW - cyclotron KW - extraction KW - radiation KW - proton DA - 2020/06 PY - 2020 SN - 978-3-95450-205-9 DO - doi:10.18429/JACoW-Cyclotrons2019-TUP017 UR - http://jacow.org/cyclotrons2019/papers/tup017.pdf ER -