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1. 发明授权

US07388944B2 Device for generation of x-ray radiation with a cold electron source 失效
标题翻译：用于产生具有冷电子源的X射线辐射的装置
公开(公告)号：US07388944B2
公开(公告)日：2008-06-17
申请号：US11529102
申请日：2006-09-28
申请人： Eckhard Hempel , Detlef Mattern , Stefan Popescu
发明人： Eckhard Hempel , Detlef Mattern , Stefan Popescu
IPC分类号： H01J35/00
CPC分类号： H01J35/065 , H01J3/00 , H01J35/14 , H01J35/26 , H01J35/305 , H01J2235/062 , H01J2235/066 , H01J2235/1212 , H01J2235/162 , H01J2235/168
摘要： A device for generation of x-ray radiation has one or more cold electron sources as a cathode and at least one x-ray target as an anode that are arranged in an evacuable housing. Upon application of an electrical voltage between cathode and anode, electrons emitted from the electron source are accelerated in an electron beam onto the x-ray target. A device for reduction of the proportion of positive ions in the region of the electron source is arranged between the electron source and the x-ray target in the housing. The device exhibits a long lifespan with good focusing capability and fast modulation capability of the electron beam.
摘要翻译：用于产生x射线辐射的装置具有一个或多个冷电子源作为阴极，并且至少一个x射线靶作为阳极布置在可抽出的壳体中。在阴极和阳极之间施加电压时，从电子源发射的电子以电子束的速度被加速到x射线靶上。电子源区域中的正离子的比例减少的装置被布置在壳体中的电子源和x射线靶之间。该器件具有长的寿命，具有良好的聚焦能力和电子束的快速调制能力。

2. 发明申请

US20070086571A1 Device for generation of x-ray radiation with a cold electron source 失效
标题翻译：用于产生具有冷电子源的X射线辐射的装置
公开(公告)号：US20070086571A1
公开(公告)日：2007-04-19
申请号：US11529102
申请日：2006-09-28
申请人： Eckhard Hempel , Detlef Mattern , Stefan Popescu
发明人： Eckhard Hempel , Detlef Mattern , Stefan Popescu
IPC分类号： H01J35/00
CPC分类号： H01J35/065 , H01J3/00 , H01J35/14 , H01J35/26 , H01J35/305 , H01J2235/062 , H01J2235/066 , H01J2235/1212 , H01J2235/162 , H01J2235/168
摘要： A device for generation of x-ray radiation has one or more cold electron sources as a cathode and at least one x-ray target as an anode that are arranged in an evacuable housing. Upon application of an electrical voltage between cathode and anode, electrons emitted from the electron source are accelerated in an electron beam onto the x-ray target. A device for reduction of the proportion of positive ions in the region of the electron source is arranged between the electron source and the x-ray target in the housing. The device exhibits a long lifespan with good focusing capability and fast modulation capability of the electron beam.
摘要翻译：用于产生x射线辐射的装置具有一个或多个冷电子源作为阴极，并且至少一个x射线靶作为阳极布置在可抽出的壳体中。在阴极和阳极之间施加电压时，从电子源发射的电子以电子束的速度被加速到x射线靶上。电子源区域中的正离子的比例减少的装置被布置在壳体中的电子源和x射线靶之间。该器件具有长的寿命，具有良好的聚焦能力和电子束的快速调制能力。

3. 发明授权

US07817777B2 Focus detector arrangement and method for generating contrast x-ray images 有权
标题翻译：用于产生对比度X射线图像的聚焦探测器布置和方法
公开(公告)号：US07817777B2
公开(公告)日：2010-10-19
申请号：US12159486
申请日：2006-12-06
申请人： Joachim Baumann , Christian David , Martin Engelhardt , Jörg Freudenberger , Eckhard Hempel , Martin Hoheisel , Thomas Mertelmeier , Franz Pfeiffer , Stefan Popescu , Manfred Schuster
发明人： Joachim Baumann , Christian David , Martin Engelhardt , Jörg Freudenberger , Eckhard Hempel , Martin Hoheisel , Thomas Mertelmeier , Franz Pfeiffer , Stefan Popescu , Manfred Schuster
IPC分类号： G01N23/04
CPC分类号： A61B6/00 , A61B6/032 , A61B6/4028 , A61B6/4291 , A61B6/4441 , A61B6/484 , G21K2201/06 , G21K2207/005 , H01J2235/086
摘要： In a focus detector arrangement and method for an x-ray apparatus for generating projection or tomographic phase-contrast images of an examination subject, a beam of coherent x-rays is generated by an anode that has areas of different radiation emission characteristics arranged in bands thereon, that proceed parallel to grid lines of a phase grid that is used to generate the phase-contrast images.
摘要翻译：在用于产生检查对象的投影或断层相位图像的x射线装置的焦点检测器装置和方法中，由具有布置在带中的不同辐射特性的区域的阳极产生相干X射线束其平行于用于生成相位对比图像的相位网格的网格线。

4. 发明授权

US07564941B2 Focus-detector arrangement for generating projective or tomographic phase contrast recordings with X-ray optical gratings 有权
标题翻译：用于使用X射线光栅产生投影或断层相位对比记录的焦点检测器布置
公开(公告)号：US07564941B2
公开(公告)日：2009-07-21
申请号：US11700154
申请日：2007-01-31
申请人： Joachim Baumann , Christian David , Martin Engelhardt , Jörg Freudenberger , Eckhard Hempel , Martin Hoheisel , Thomas Mertelmeier , Franz Pfeiffer , Stefan Popescu , Manfred Schuster
发明人： Joachim Baumann , Christian David , Martin Engelhardt , Jörg Freudenberger , Eckhard Hempel , Martin Hoheisel , Thomas Mertelmeier , Franz Pfeiffer , Stefan Popescu , Manfred Schuster
IPC分类号： A61B6/00
CPC分类号： G01N23/046 , A61B6/4092 , A61B6/4291 , A61B6/484 , G01N2223/419 , G01N2223/612 , G21K1/06 , G21K2207/005
摘要： A focus-detector arrangement of an X-ray apparatus is disclosed for generating projective or tomographic phase contrast recordings with a phase grating. According to at least one embodiment of the invention, in the gaps between its bars, the phase grating includes a filler material whose linear attenuation coefficient in the relevant energy range is greater than that of the bars. The height of the filler material in the gaps is dimensioned on the one hand so that the X-radiation with the energy used for measuring the phase shift generates a phase shift in the X-radiation such that, after the phase grating, the rays which pass through the bars are phase shifted by one half wavelength relative to the rays which pass through the gaps with the filler material. Further, the height of the filler material in the gaps on the other hand is dimensioned so that the attenuation of the X-radiation, at least in relation to the energy used for measuring the phase shift, is the same when passing through the bars and when passing through the filler material.
摘要翻译：公开了一种用于利用相位光栅产生投射或断层相位对比度记录的X射线装置的聚焦检测器装置。根据本发明的至少一个实施例，在其杆之间的间隙中，相位光栅包括其相关能量范围内的线性衰减系数大于棒的线性衰减系数的填充材料。间隙中的填充材料的高度一方面确定尺寸，使得具有用于测量相移的能量的X射线在X辐射中产生相移，使得在相位光栅之后，射线通过条相对于通过填充材料的间隙的光线相移一半波长。此外，另一方面，间隙中的填充材料的高度的尺寸被设计成使得至少相对于用于测量相移的能量的X射线的衰减在通过杆时是相同的，并且当通过填料时。

5. 发明授权

US07522708B2 Focus/detector system of an X-ray apparatus for generating phase contrast recordings 有权
标题翻译：用于产生相位记录的X射线设备的聚焦/检测器系统
公开(公告)号：US07522708B2
公开(公告)日：2009-04-21
申请号：US11700152
申请日：2007-01-31
申请人： Björn Heismann , Eckhard Hempel , Stefan Popescu
发明人： Björn Heismann , Eckhard Hempel , Stefan Popescu
IPC分类号： G21K1/00
CPC分类号： A61B6/06 , A61B6/00 , A61B6/032 , A61B6/4014 , A61B6/4092 , A61B6/4233 , A61B6/4266 , A61B6/4291 , A61B6/4441 , A61B6/484 , G03B42/02 , G21K2201/06 , G21K2207/005
摘要： A focus/detector system of an X-ray apparatus is disclosed for generating projective or tomographic phase contrast recordings. In at least one embodiment, the system includes a beam source, including a focus and a focus-side source grating, arranged in the beam path to generate a field of ray-wise coherent X-rays; and a grating/detector arrangement having a phase grating with grating lines arranged parallel to the source grating for generating an interference pattern and a detector having a multiplicity of detector elements arranged flat for measuring the radiation intensity behind the phase grating. Further, the detector elements are formed by a multiplicity of elongate detection strips, which are aligned parallel to the grating lines of the phase grating. Furthermore, at least one embodiment also relates to the use of this focus/detector system in an X-ray system for generating projective recordings or in C-arc equipment or a CT system, and/or to a method for generating projective and tomographic X-ray recordings of a subject.
摘要翻译：公开了用于产生投影或层析相位对比记录的X射线装置的焦点/检测器系统。在至少一个实施例中，系统包括布置在光束路径中以产生射线相干X射线场的束源，包括焦点和焦点侧源光栅; 以及具有相位光栅的光栅/检测器装置，其具有平行于源光栅排列的光栅线，用于产生干涉图案;以及检测器，具有平坦布置的多个检测器元件，用于测量相位光栅后面的辐射强度。此外，检测器元件由多个细长的检测条形成，其平行于相位光栅的光栅线排列。此外，至少一个实施例还涉及在X射线系统中用于产生投影记录或在C弧设备或CT系统中使用该焦点/检测器系统和/或用于产生投影和断层X的方法录音的主题。

6. 发明申请

US20080317213A1 X-RAY ABSORPTION GRID 有权
标题翻译： X射线吸收网
公开(公告)号：US20080317213A1
公开(公告)日：2008-12-25
申请号：US12126112
申请日：2008-05-23
申请人： Eckhard Hempel , Martin Hoheisel , Stefan Popescu
发明人： Eckhard Hempel , Martin Hoheisel , Stefan Popescu
IPC分类号： G21K1/10
CPC分类号： G01N23/046 , G01N2223/419 , G21K1/025 , G21K1/10 , G21K2207/005
摘要： An x-ray absorption grid produced by a lithography method for use in a phase-contrast CT system has at least two individual grids arranged atop one another in the radiation direction. Each individual grid has a grid area with a grid structure including grid webs and grid gaps in alternation. Each individual grid has a region outside of the grid area (outer region). The outer region of the at least two individual grids has toothed structures corresponding to one another at least two points. The toothed structures are generated as well in the production of the grid structure. The toothed structures have a position that is defined relative to the grid structure, such that a defined alignment of the individual grids occurs given a combination of the individual grids by engagement of the toothed structures of individual grids lying atop one another.
摘要翻译：通过用于相位对比CT系统的光刻方法产生的x射线吸收格栅具有沿辐射方向彼此上下排列的至少两个单独的栅格。每个单独的网格具有网格结构的网格区域，包括网格网格和网格间隙。每个单独的网格具有在网格区域之外的区域（外部区域）。至少两个单独网格的外部区域具有至少两个点彼此对应的齿形结构。在电网结构的生产中也产生齿形结构。齿形结构具有相对于网格结构限定的位置，使得通过各个格栅的齿形结构彼此顶部的啮合，各个格栅的组合发生了单独格栅的限定对齐。

7. 发明授权

US07453981B2 Focus-detector arrangement with X-ray optical grating for phase contrast measurement 有权
标题翻译：用于相位测量的X射线光栅的聚焦检测器布置
公开(公告)号：US07453981B2
公开(公告)日：2008-11-18
申请号：US11700173
申请日：2007-01-31
申请人： Joachim Baumann , Martin Engelhardt , Jörg Freudenberger , Eckhard Hempel , Martin Hoheisel , Thomas Mertelmeier , Stefan Popescu , Manfred Schuster
发明人： Joachim Baumann , Martin Engelhardt , Jörg Freudenberger , Eckhard Hempel , Martin Hoheisel , Thomas Mertelmeier , Stefan Popescu , Manfred Schuster
IPC分类号： G01N23/04
CPC分类号： G21K1/06 , A61B6/4092 , A61B6/4291 , A61B6/484 , G21K2207/005
摘要： A focus-detector arrangement of an X-ray apparatus is disclosed, for generating projective or tomographic phase contrast recordings of a subject. In at least one embodiment, least one grating of a focus-detector arrangement includes, at least partially, a macroscopically homogeneous medium which, when excited by an energy source, assumes a periodic structure/standing wave field that leads to beam splitting and the formation of an interference pattern when the X-ray beam passes through.
摘要翻译：公开了一种用于产生对象的投影或断层相位对比记录的X射线装置的聚焦检测器装置。在至少一个实施例中，聚焦检测器装置的至少一个光栅至少部分地包括宏观均匀的介质，当被能量源激发时，它们呈现导致光束分裂和形成的周期性结构/驻波场的X射线束通过时的干涉图案。

8. 发明授权

US07433444B2 Focus-detector arrangement of an X-ray apparatus for generating projective or tomographic phase contrast recordings 有权
标题翻译：用于产生投影或断层相位对比记录的X射线设备的焦点检测器布置
公开(公告)号：US07433444B2
公开(公告)日：2008-10-07
申请号：US11700060
申请日：2007-01-31
申请人： Joachim Baumann , Christian David , Martin Engelhardt , Jörg Freudenberger , Eckhard Hempel , Martin Hoheisel , Thomas Mertelmeier , Franz Pfeiffer , Stefan Popescu , Manfred Schuster
发明人： Joachim Baumann , Christian David , Martin Engelhardt , Jörg Freudenberger , Eckhard Hempel , Martin Hoheisel , Thomas Mertelmeier , Franz Pfeiffer , Stefan Popescu , Manfred Schuster
IPC分类号： G21K1/00
CPC分类号： A61B6/032 , A61B6/06 , A61B6/4021 , A61B6/4092 , A61B6/4291 , A61B6/484 , A61B6/508 , G21K2207/005
摘要： A focus-detector arrangement of an X-ray apparatus is disclosed for generating projective or tomographic phase contrast recordings of an observed region of a subject. In at least one embodiment, the arrangement includes a radiation source which emits a coherent or quasi-coherent X-radiation and irradiates the subject, a phase grating which is arranged behind the subject in the beam path of the radiation source and generates an interference pattern of the X-radiation in a predetermined energy range, and an analysis-detector system which detects at least the interference pattern generated by the phase grating in respect of its phase shift with position resolution. Further, the beam path of the X-radiation used diverges in at least one plane between the focus and the detector.
摘要翻译：公开了用于产生被摄体的观察区域的投影或层析相位对比记录的X射线装置的聚焦检测器装置。在至少一个实施例中，该装置包括发射相干或准相干X射线并照射对象的辐射源，布置在辐射源的光束路径中的被摄体后面的相位光栅，并产生干涉图案的X射线在预定能量范围内的分析检测器系统，以及分析检测器系统，其至少检测相位光栅相对于其相移与位置分辨率产生的干涉图案。此外，所使用的X辐射的光束路径在焦点和检测器之间的至少一个平面中发散。

9. 发明申请

US20070189449A1 Method and measuring arrangement for nondestructive analysis of an examination object by means of x-radiation 有权
标题翻译：通过x射线对检查对象进行非破坏性分析的方法和测量装置
公开(公告)号：US20070189449A1
公开(公告)日：2007-08-16
申请号：US11700061
申请日：2007-01-31
申请人： Joachim Baumann , Martin Engelhardt , Jorg Freudenberger , Eckhard Hempel , Martin Hoheisel , Thomas Mertelmeier , Stefan Popescu , Manfred Schuster
发明人： Joachim Baumann , Martin Engelhardt , Jorg Freudenberger , Eckhard Hempel , Martin Hoheisel , Thomas Mertelmeier , Stefan Popescu , Manfred Schuster
IPC分类号： G01N23/223 , G01T1/36
CPC分类号： G01N23/20 , A61B6/4021 , A61B6/4092 , A61B6/482 , A61B6/484 , G01N23/22 , G21K2207/005
摘要： A method and a measuring arrangement are disclosed for nondestructive analysis of an examination object. In at least one embodiment of the method, x-radiation having a specific energy spectrum is generated by an x-ray source, with the aid of at least one x-ray/optical grating in the beam path of the x-radiation there is generated a standing wave field of this x-radiation that is positioned at least partially in the examination object, and the radiation excited by the x-ray standing wave field in the examination object is measured as a function of at least one relative position between the examination object and the x-ray standing wave field. Further, a material distribution in the examination object is inferred from the measurement result of the radiation excited by the x-ray standing wave field.
摘要翻译：公开了用于检查对象的非破坏性分析的方法和测量装置。在该方法的至少一个实施例中，具有特定能谱的x射线由x射线源产生，借助于X辐射的光束路径中的至少一个x射线/光栅，产生至少部分地位于检查对象中的该X射线的驻波场，并且由检查对象中的x射线驻波场激发的辐射作为至少一个相对位置检查对象和X射线驻波场。此外，从X射线驻波激励的辐射的测量结果推断检查对象中的材料分布。

10. 发明申请

US20070183582A1 Focus-detector arrangement for generating projective or tomographic phase contrast recordings with X-ray optical gratings 有权
标题翻译：用于使用X射线光栅产生投影或断层相位对比记录的焦点检测器布置
公开(公告)号：US20070183582A1
公开(公告)日：2007-08-09
申请号：US11700154
申请日：2007-01-31
申请人： Joachim Baumann , Christian David , Martin Engelhardt , Jorg Freudenberger , Eckhard Hempel , Martin Hoheisel , Thomas Mertelmeier , Franz Pfeiffer , Stefan Popescu , Manfred Schuster
发明人： Joachim Baumann , Christian David , Martin Engelhardt , Jorg Freudenberger , Eckhard Hempel , Martin Hoheisel , Thomas Mertelmeier , Franz Pfeiffer , Stefan Popescu , Manfred Schuster
IPC分类号： G21K1/00
CPC分类号： G01N23/046 , A61B6/4092 , A61B6/4291 , A61B6/484 , G01N2223/419 , G01N2223/612 , G21K1/06 , G21K2207/005
摘要： A focus-detector arrangement of an X-ray apparatus is disclosed for generating projective or tomographic phase contrast recordings with a phase grating. According to at least one embodiment of the invention, in the gaps between its bars, the phase grating includes a filler material whose linear attenuation coefficient in the relevant energy range is greater than that of the bars. The height of the filler material in the gaps is dimensioned on the one hand so that the X-radiation with the energy used for measuring the phase shift generates a phase shift in the X-radiation such that, after the phase grating, the rays which pass through the bars are phase shifted by one half wavelength relative to the rays which pass through the gaps with the filler material. Further, the height of the filler material in the gaps on the other hand is dimensioned so that the attenuation of the X-radiation, at least in relation to the energy used for measuring the phase shift, is the same when passing through the bars and when passing through the filler material.
摘要翻译：公开了一种用于利用相位光栅产生投射或断层相位对比度记录的X射线装置的聚焦检测器装置。根据本发明的至少一个实施例，在其杆之间的间隙中，相位光栅包括其相关能量范围内的线性衰减系数大于棒的线性衰减系数的填充材料。间隙中的填充材料的高度一方面确定尺寸，使得具有用于测量相移的能量的X射线在X辐射中产生相移，使得在相位光栅之后，射线通过条相对于通过填充材料的间隙的光线相移一半波长。此外，另一方面，间隙中的填充材料的高度的尺寸被设计成使得至少相对于用于测量相移的能量的X射线的衰减在通过杆时是相同的，并且当通过填料时。

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