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TY - CONF AU - Lim, H.G. AU - Cho, Y.-S. AU - Hwang, Y.S. AU - Jung, M.H. AU - Kim, K. R. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Development of Real-Time Charge Integrator for the Irradiation Dose Measurement J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - KOMAC (Korea of Multi-purpose Accelerator Complex, Gyeongju, Korea) has several kinds of facilities using proton beam or ion beam. The KOMAC has provided beam service to user group since 2013. For effective beam service, it is important that irradiation dose at a target should be supplied as much as user requires. To control the irradiation dose of target, a multi-channels charge integrator, Faraday cups, and a beam shutter are used. The amount of irradiation dose is calculated in real time by accumulative charge, which is represented to integration of induced current at each Faraday cup for the target. If the measurements reach to the set value (desired dose), the beam is automatically blocked by beam shutter. Thus, precise measurement of accumulative charge is required. For out purpose, two kinds of real-time charge integrators were implemented with different measuring ranges. In order to verify performance of the integrators, each device's linearity was evaluated after measuring accumulative charge corresponding to dc current. And their measurable range was determined. PB - JACoW CP - Geneva, Switzerland SP - 739 EP - 741 KW - real-time KW - target KW - background KW - Ethernet KW - controls DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-MOPIK091 UR - http://jacow.org/ipac2017/papers/mopik091.pdf ER -