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    • 20. 发明授权
    • Isotope production system and cyclotron
    • 同位素生产系统和回旋加速器
    • US08153997B2
    • 2012-04-10
    • US12435903
    • 2009-05-05
    • Jonas NorlingTomas Eriksson
    • Jonas NorlingTomas Eriksson
    • H05H13/00G21K5/00H01J33/02
    • H05H13/00
    • A cyclotron that includes a magnet yoke having a yoke body that surrounds an acceleration chamber. The cyclotron also includes a magnet assembly to produce magnetic fields to direct charged particles along a desired path. The magnet assembly is located in the acceleration chamber. The magnetic fields propagate through the acceleration chamber and within the magnet yoke, wherein a portion of the magnetic fields escapes outside of the magnet yoke as stray fields. The cyclotron also includes a vacuum pump that is coupled to the yoke body. The vacuum pump is configured to introduce a vacuum into the acceleration chamber. The magnet yoke is dimensioned such that the vacuum pump does not experience magnetic fields in excess of 75 Gauss.
    • 一种回旋加速器,其包括具有围绕加速室的轭体的磁轭。 回旋加速器还包括磁体组件以产生磁场以沿所需路径引导带电粒子。 磁体组件位于加速室中。 磁场通过加速室和磁轭传播,其中一部分磁场作为杂散磁场从磁轭的外部逸出。 回旋加速器还包括耦合到轭体的真空泵。 真空泵构造成将真空引入加速室。 磁轭的尺寸使得真空泵不会经历超过75高斯的磁场。