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    • 7. 发明专利
    • Particle beam therapy apparatus
    • 颗粒束治疗装置
    • JP2011156340A
    • 2011-08-18
    • JP2010132915
    • 2010-06-10
    • Mitsubishi Electric Corp三菱電機株式会社
    • HONDA YASUZOHARADA HISASHIPU YUEHUYAMAMOTO YUICHIIWATA TAKAAKI
    • A61N5/10G21K1/087G21K1/093G21K5/04
    • PROBLEM TO BE SOLVED: To provide a particle beam therapy apparatus that achieves high-precision beam irradiation by reducing the influence of the hysteresis of a scanning electromagnet.
      SOLUTION: The particle beam therapy apparatus includes an irradiation management device 32 for controlling the scanning electromagnet 3 based on a desired irradiation position coordinate Pi of a charged-particle beam 1b, and a position monitor 7 for measuring a measuring position coordinate Ps of the charged-particle beam 1b. The irradiation management device 32 has correction data Ia generated based on the measuring position coordinate Ps and the desired irradiation position coordinate Pi, which are measured with the position monitor 7 during prior irradiation in which an excitation pattern of the scanning electromagnet is the same as that planned for main irradiation, a memory for saving the correction data Ia, and a command value generator 25 that outputs a control input Io (Ir) to the scanning electromagnet 3 based on the correction data Ia stored in the memory and the desired irradiation position coordinate Pi.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种通过减小扫描电磁体的滞后的影响来实现高精度光束照射的粒子束治疗装置。 解决方案:粒子束治疗装置包括:照射管理装置32,用于根据带电粒子束1b的期望的照射位置坐标Pi控制扫描电磁体3;以及位置监视器7,用于测量测量位置坐标Ps 的带电粒子束1b。 照射管理装置32具有基于测量位置坐标Ps和期望的照射位置坐标Pi产生的校正数据Ia,其在扫描电磁体的激励图案与扫描电磁体的激励图案相同的情况下,由位置监视器7测量, 计划用于主照射,用于保存校正数据Ia的存储器以及基于存储在存储器中的校正数据Ia和期望的照射位置坐标向扫描电磁体3输出控制输入Io(Ir)的命令值发生器25 皮。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • X-ray spatial modulator and x-ray exposure apparatus
    • X射线空间调制器和X射线曝光装置
    • JP2010256305A
    • 2010-11-11
    • JP2009109915
    • 2009-04-28
    • Nippon Hoso Kyokai 日本放送協会
    • SATO SHIROFUNABASHI NOBUHIKOAOSHIMA KENICHIMACHIDA KENJIMIYAMOTO YASUYOSHIKAWAMURA KIICHIKUGA ATSUSHISHIMIZU NAOKI
    • G21K3/00G03F1/22G03F1/24G21K1/00G21K1/087H01L21/027H01L29/82H01L43/08
    • PROBLEM TO BE SOLVED: To provide an X-ray spatial modulator which achieves minute strength modulation in a two-dimensional space of an X-ray beam by electric manipulation.
      SOLUTION: The X-ray spatial modulator 1 includes an X-ray modulation means 10 where spin injection magnetization reversal elements (hereinafter, the "ELEMENTS") 5 whose magnetization directions are reversed by spin injection are arranged two-dimensionally, an element selection means 11 for selecting the ELEMENTS 5 reversing their magnetization direction among the two-dimensionally arranged ELEMENTS 5 and a magnetization reversal current injection means 12 for reversing the magnetization direction of the ELEMENTS 5 by injecting a magnetization reversal current for conducting magnetization reversal into the ELEMENTS 5 selected by the element selection means 11. The X-ray spatial modulator 1 modulates the strength distribution in a two-dimensional space of a monochrome circularly-polarized X-ray beam B2 incident into the ELEMENTS 5 and permeating the ELEMENTS 5 through the variation of the absorption ratio of the ELEMENTS 5 to the monochrome circularly-polarized X-ray beam B2 by controlling the magnetization direction of each of the ELEMENTS 5 with the element selection means 11.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供通过电操作在X射线束的二维空间中实现微小强度调制的X射线空间调制器。 解决方案:X射线空间调制器1包括X射线调制装置10,其中通过自旋注入使其磁化方向反转的自旋注入磁化反转元件(以下称为“ELEMENTS”)5被二维排列, 用于选择在二维排列的元件5中反转它们的磁化方向的元件5的元件选择装置11和用于通过将用于进行磁化反转的磁化反转电流注入到反相器中来反转元件5的磁化方向的磁化反转电流注入装置12 元件选择装置11选择的元件5.X射线空间调制器1调制入射到元件5中的单色圆偏振X射线束B2的二维空间中的强度分布,并通过该元件5透过元件5。 通过控制,元件5与单色圆偏振X射线束B2的吸收比的变化 使用元素选择装置11使每个元素5的磁化方向发生变化。版权所有:(C)2011,JPO&INPIT