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2. 发明公开

EP3307031A1 METHOD AND SYSTEM FOR CONTROLLING ION BEAM PULSES EXTRACTION 有权
标题翻译：控制离子束脉冲提取的方法和系统
公开(公告)号：EP3307031A1
公开(公告)日：2018-04-11
申请号：EP16192454.3
申请日：2016-10-05
申请人： Ion Beam Applications S.A.
发明人： KRIER, Gabriel , HENROTIN, Sébastien , CLAEREBOUDT, Yves
IPC分类号： H05H7/00 , H05H13/02
CPC分类号： H05H13/02 , A61N5/1043 , A61N2005/1087 , H05H7/001 , H05H7/02 , H05H7/04 , H05H2007/008 , H05H2007/022 , H05H2007/025 , H05H2007/046 , H05H2277/10
摘要： A first aspect of present invention is related to a method for controlling the extraction of ion beam pulses produced by a synchrocyclotron according to an irradiation plan. The synchrocyclotron comprises electrodes configured to be placed in a magnetic field, wherein an alternating voltage is applied between the electrodes, and wherein the frequency of the alternating voltage is modulated in a cyclic manner. The method comprises the steps of starting an acceleration cycle of the synchrocyclotron (12), generating a reference signal (38) when the modulated frequency reaches a predefined value (42), communicating the time, at which the reference signal (38) is generated, to the one or more beam control elements (20, 22), assessing one or more status parameters of the one or more beam control elements (20, 22), wherein the assessment is synchronised with the generation of the reference signal (38), cancelling or proceeding with the extraction of the beam pulse depending on the results of the assessment. A second aspect of the present invention is related to an ion beam extraction system configured to perform the method according to the first aspect of the present invention.
摘要翻译：本发明的第一方面涉及一种用于根据照射计划来控制由同步回旋加速器产生的离子束脉冲的提取的方法。同步回旋加速器包括被配置为放置在磁场中的电极，其中交流电压被施加在电极之间，并且其中交流电压的频率以循环的方式被调制。该方法包括步骤：启动同步回旋加速器（12）的加速周期，当调制频率达到预定值（42）时产生参考信号（38），传送参考信号（38）产生的时间向所述一个或多个射束控制元件（20,22）发送所述一个或多个射束控制元件（20,22）的一个或多个状态参数，其中所述评估与所述参考信号（38）的生成同步，，根据评估结果取消或继续提取光束脉冲。本发明的第二方面涉及配置成执行根据本发明的第一方面的方法的离子束提取系统。

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