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    • 1. 发明授权
    • X-ray generator
    • X光发生器
    • US07340036B2
    • 2008-03-04
    • US11812852
    • 2007-06-22
    • Sadamu TomitaTomomi TamuraHidenobu Ishida
    • Sadamu TomitaTomomi TamuraHidenobu Ishida
    • H01J35/08
    • H01J35/14H01J35/08H01J2235/086H01J2235/1006
    • An X-ray generator includes an electron source generating an electron beam, a target generating an X-ray by a collision of the electron beam and extending in a direction orthogonal to the electron beam, and a cylindrical electrode covering a collision portion of the target to which the electron beam collides and having a bore allowing the electron beam to pass through. The electron source and the target are arranged in such a way that the X-ray is radiated in the direction orthogonal to an optical axis of the electron beam. A depression equivalent to a notch of the target is provided in a collision face side of the electron beam on the target and also in a reverse location of a tip of the target located on an outgoing radiation side of the X-ray relative to a collision location of the electron beam on the target.
    • X射线发生器包括产生电子束的电子源,通过电子束的碰撞产生X射线并沿与电子束正交的方向延伸的靶的靶,以及覆盖靶的碰撞部的圆筒状电极 电子束碰撞并具有允许电子束通过的孔。 电子源和靶以这样的方式排列,使得X射线在与电子束的光轴正交的方向上被辐射。 相当于目标的凹口的凹陷被提供在目标上的电子束的碰撞面侧以及位于X射线的出射辐射侧的靶的尖端相对于碰撞的相反位置 电子束在靶上的位置。
    • 2. 发明申请
    • X-ray generator
    • X光发生器
    • US20070258565A1
    • 2007-11-08
    • US11812852
    • 2007-06-22
    • Sadamu TomitaTomomi TamuraHidenobu Ishida
    • Sadamu TomitaTomomi TamuraHidenobu Ishida
    • H01J35/14
    • H01J35/14H01J35/08H01J2235/086H01J2235/1006
    • An X-ray generator includes an electron source generating an electron beam, a target generating an X-ray by a collision of the electron beam and extending in a direction orthogonal to the electron beam, and a cylindrical electrode covering a collision portion of the target to which the electron beam collides and having a bore allowing the electron beam to pass through. The electron source and the target are arranged in such a way that the X-ray is radiated in the direction orthogonal to an optical axis of the electron beam. A depression equivalent to a notch of the target is provided in a collision face side of the electron beam on the target and also in a reverse location of a tip of the target located on an outgoing radiation side of the X-ray relative to a collision location of the electron beam on the target.
    • X射线发生器包括产生电子束的电子源,通过电子束的碰撞产生X射线并沿与电子束正交的方向延伸的靶的靶,以及覆盖靶的碰撞部的圆筒状电极 电子束碰撞并具有允许电子束通过的孔。 电子源和靶以这样的方式排列,使得X射线在与电子束的光轴正交的方向上被辐射。 相当于目标的凹口的凹陷被提供在目标上的电子束的碰撞面侧以及位于X射线的出射辐射侧的靶的尖端相对于碰撞的相反位置 电子束在靶上的位置。
    • 7. 发明授权
    • X-ray spectroscope
    • X光分光镜
    • US5790628A
    • 1998-08-04
    • US761207
    • 1996-12-06
    • Hidenobu Ishida
    • Hidenobu Ishida
    • G01N23/207G01J3/12G01J3/36G01N23/225G01T1/36G01N23/22
    • G01T1/36G01N23/2252
    • The following arrangement is adopted to achieve an X-ray spectroscope capable of simultaneously spectrally analyzing, with a single spectral scanning, X-rays emitted from a point-like X-ray source in a plurality of wavelength ranges such that X-rays in a wide wavelength range can spectrally be analyzed with a single spectral scanning. In an X-ray spectroscope in which a point-like X-ray source, a spectral crystal and a X-ray detector are disposed along a Rowland circle and in which, with the distance between the X-ray source and the spectral crystal maintained equal to the distance between the spectral crystal and the X-ray detector, this distance is continuously changed such that the wavelength of X-rays to be spectrally analyzed is continuously changed, the X-ray spectroscope is characterized in that the spectral crystal comprises a plurality of arcuate crystals for spectrally analyzing respective X-rays different in wavelength, that at least one of the arcuate crystals is located at a position apart from the reference plane including the Rowland circle and that the X-ray detector comprises at least one X-ray detector for detecting the X-rays diffracted by the arcuate crystals.
    • 采用以下配置来实现能够通过单次光谱扫描在多个波长范围内从点状X射线源发射的X射线同时进行光谱分析的X射线分光仪,使得X射线在 宽波长范围可以通过单次光谱扫描进行光谱分析。 在其中点状X射线源,光谱晶体和X射线检测器沿着Rowland圆设置的X射线分光仪中,其中,在维持X射线源和光谱晶体之间的距离 等于光谱晶体和X射线检测器之间的距离,这个距离被连续地改变,使得要被光谱分析的X射线的波长连续地改变,X射线分光镜的特征在于,光谱晶体包括 多个弧形晶体,用于频谱分析波长不同的各种X射线,至少一个弓形晶体位于离开包括罗兰圆的参考平面的位置,并且该X射线检测器包括至少一个X射线检测器, 用于检测由弓形晶体衍射的X射线。