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    • 9. 发明专利
    • Charged particle beam irradiation device
    • 充电颗粒光束辐射装置
    • JP2013009712A
    • 2013-01-17
    • JP2011142691
    • 2011-06-28
    • Sumitomo Heavy Ind Ltd住友重機械工業株式会社
    • OGASAWARA TAKESHI
    • A61N5/10
    • G21K5/02A61N5/1042A61N5/1077A61N2005/1087A61N2005/1095G21K5/04
    • PROBLEM TO BE SOLVED: To provide a charged particle beam irradiation device able to manage, with a simple configuration, the amount of inert gas supplied to a cylinder.SOLUTION: This charged particle beam irradiation device 1 comprises: a cyclotron 3 which accelerates charged particles and emits a charged particle beam P; a vacuum duct 7 which transports the charged particle beam P emitted from the cyclotron 3 to an irradiation nozzle 5; an extension duct 10 which is disposed inside the irradiation nozzle 5 on the propagation path of the charged particle beam, has an interior filled with inert gas, and is provided with Kapton films 13, 14 at an inlet and an outlet, the Kapton films transmitting the charged particle beam P; a gas supply part 20 which supplies helium gas to the interior of the extension duct 10; a scanning magnet 12 which is disposed around the extension duct 10 and scans the charged particle beam P; and a leak valve 36 which leaks helium gas in the extension duct 10 to the outside when the internal pressure of the extension duct 10 is greater than or equal to a set pressure. The gas supply part 20 has supply lines A-C having different amounts of helium gas supply.
    • 解决的问题:提供一种带电粒子束照射装置,其能够以简单的结构管理供应到气缸的惰性气体的量。 解决方案:该带电粒子束照射装置1包括:加速带电粒子并发射带电粒子束P的回旋加速器3; 将从回旋加速器3发射的带电粒子束P传送到照射喷嘴5的真空管道7; 在带电粒子束的传播路径上设置在照射喷嘴5内部的延伸管道10具有填充有惰性气体的内部,并且在入口和出口处设置有Kapton膜13,14,Kapton膜传输 带电粒子束P; 气体供给部20,其向延伸管道10的内部供给氦气; 扫描磁体12,其设置在延伸导管10周围并扫描带电粒子束P; 以及当延伸管道10的内部压力大于或等于设定压力时,将延伸管道10中的氦气泄漏到外部的泄漏阀36。 气体供给部20具有不同量的氦气供给量的供给管线A-C。 版权所有(C)2013,JPO&INPIT