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    • 3. 发明专利
    • Monochromatic x-ray generation device and its method
    • 单色X射线发生装置及其方法
    • JP2008098010A
    • 2008-04-24
    • JP2006279199
    • 2006-10-12
    • Photon Production Laboratory LtdHiroshige Yamada山田廣成株式会社光子発生技術研究所
    • YAMADA HIROSHIGE
    • H05G2/00G21K5/08
    • PROBLEM TO BE SOLVED: To provide a monochromatic X-ray generation device and its method, which generates large-strength monochromatic X rays and changes wavelengths of the monochromatic X rays generated with the use of low-energy relativistic electron beams.
      SOLUTION: The monochromatic X-ray generation device is provided with: a radiator (R1) generating X rays with electron beams (7) incident; and a crystalline body (C1) diffracting X rays generated from the radiator (R1). The radiator (R1), different from the crystalline body (C1), is formed of a matter with a high generation efficiency of X rays of a given wavelength, the radiator (R1) and the crystalline body (C1) are arranged in adjacency to each other, so that the X rays are outputted in two directions (Xr, Xt) by the crystalline body (C1) to be taken out of a first and a second ports (5, 6), reflected by crystalline bodies (C2, C3) and outputted as monochromatic X rays (Xr', Xt').
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种单色X射线产生装置及其方法,其产生大强度单色X射线并改变使用低能量相对论电子束产生的单色X射线的波长。 解决方案:单色X射线产生装置设置有:产生具有入射的电子束(7)的X射线的辐射器(R1) 以及衍射从散热器(R1)产生的X射线的晶体(C1)。 与晶体(C1)不同的散热器(R1)由具有给定波长的X射线的高发电效率的物质形成,散热器(R1)和晶体体(C1)以 使得X射线通过晶体(C1)沿两个方向(Xr,Xt)输出,从第一和第二端口(5,6)中取出,被晶体(C2,C3)反射 )并作为单色X射线(Xr',Xt')输出。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Stereographic image acquisition method, and device therefor
    • 立体图像获取方法及其装置
    • JP2006029886A
    • 2006-02-02
    • JP2004206731
    • 2004-07-14
    • Photon Production Laboratory LtdHiroshige Yamada山田廣成株式会社光子発生技術研究所
    • YAMADA HIROSHIGE
    • G01N23/04A61B6/02
    • A61B6/022
    • PROBLEM TO BE SOLVED: To provide a method and a device capable of reducing exposure in diagnosis and capable of acquiring stereoscopic images, by taking out information about the depth from a plurality of simple two-dimensional images, and by extracting an X-ray image of high resolution.
      SOLUTION: In this stereographic image acquiring method, the plurality of simple two-dimensional images A1, B1 and A2, B2 different in radiation generation points 1, 2 are imaged by a radiation from a radiation generator, having the plurality of radiation generation points 1, 2 with a prescribed space therebetween, using one fixed image pick-up device 4, one (for example, A1, B1) of the images thereof is moved, in parallel sequentially to be overlapped with the other (A2, B2), and a portion generating an intensified image is selected to extract a stereoscopic image. Since constitution hereinbefore is used as requirement for the method, the imaging time is shortened because the stereoscopic image is constituted of the at least two sheets of two-dimensional images, the radiation exposure to a subject 3 is reduced to enhance safety, and an effect for enhancing a contrast is generated in the image.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够通过从多个简单的二维图像中取出关于深度的信息并且通过提取X的信息来减少诊断中的曝光并且能够获取立体图像的方法和装置 高分辨率的高分辨率图像。 解决方案:在这种立体图像获取方法中,辐射发生点1,2不同的多个简单二维图像A1,B1和A2,B2通过具有多个辐射的辐射发生器的辐射成像 生成点1,2,其间具有规定的间隔,使用一个固定图像拾取装置4,将其图像中的一个(例如,A1,B1)顺序地并行移动以与另一个(A2,B2 ),并且选择产生增强图像的部分来提取立体图像。 由于以上的结构被用作该方法的要求,因为立体图像由至少两张二维图像构成,所以成像时间缩短,减少对被摄体3的辐射照射以提高安全性 用于增强对比度在图像中产生。 版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • X-ray condensing device
    • X射线冷凝装置
    • JP2009250910A
    • 2009-10-29
    • JP2008102078
    • 2008-04-10
    • Photon Production Laboratory LtdHiroshige Yamada山田廣成株式会社光子発生技術研究所
    • YAMADA HIROSHIGEMORITA MASAKI
    • G21K1/06G01N23/04G01N23/207G21K1/00
    • PROBLEM TO BE SOLVED: To provide an X-ray condensing device, capable of generating monochromatic X-ray higher in photon density than in the past and changing the wavelength of the monochromatic X-ray.
      SOLUTION: The device comprises a plurality of crystal elements 11a and 11b, with the crystal elements being disposed on a circular arc, having a chord of length 2L located on x-axis and the circular arc being represented by equation x
      2 +(y-L/tanα)
      2 =L
      2 (1-1/tan
      2 α), when a straight line passing through a light source and a focal point is the x-axis; a direction orthogonal to the x-axis is y axis; and a parameter for determining incident angle is α. The light source is located at one end point A of the chord, the focal point on the other end point B of the chord, and the crystal lattice planes of the crystal elements are determined so that X-ray emitted from the light source is reflected by the crystal elements and are made to converge at the focal point.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供能够产生比以前更高的光子密度的单色X射线并且改变单色X射线的波长的X射线聚焦装置。 解决方案:该装置包括多个晶体元件11a和11b,晶体元件设置在圆弧上,具有位于x轴上的长度为2L的弦,圆弧由等式x 2 +(yL /tanα) 2 = L 2 (1-1 / tan 2 α) 通过光源和焦点的线是x轴; 与x轴正交的方向是y轴; 用于确定入射角的参数为α。 光源位于弦的一个端点A,和弦的另一端B上的焦点,并且确定晶体元件的晶格面,使得从光源发射的X射线被反射 通过晶体元件使其在焦点处会聚。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • X-ray generator, and its method
    • X射线发生器及其方法
    • JP2009043657A
    • 2009-02-26
    • JP2007209735
    • 2007-08-10
    • Photon Production Laboratory LtdHiroshige Yamada山田廣成株式会社光子発生技術研究所
    • YAMADA HIROSHIGE
    • H05G2/00H01J35/02H01J35/08
    • PROBLEM TO BE SOLVED: To provide an X-ray generator capable of generating an X-ray having intensity higher than that of a conventional one; and its method.
      SOLUTION: This X-ray generation method includes: a first step of forming an electron beam e by accelerating electrons by using an acceleration device; and a second step of making the electron beam e pass in parallel to a surface of a flat target T at a distance of 10-100 nm from the surface of the flat target T. The X-ray generation method is characterized in that at least a surface layer part of the target T is formed of a substance easily generating an X-ray X by transition radiation by being polarized by interaction with the electron beam e.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够产生强度高于常规X射线的X射线的X射线发生器; 及其方法。 解决方案:该X射线产生方法包括:通过使用加速装置加速电子而形成电子束e的第一步骤; 以及使电子束e平行于平坦靶T的表面与平坦靶T的表面成10-100nm的距离平行的第二步骤.X射线产生方法的特征在于至少 目标T的表层部分由容易通过与电子束e相互作用而偏振的过渡辐射产生X射线X的物质形成。 版权所有(C)2009,JPO&INPIT