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1. 发明授权

US09176238B2 Detection device for detecting photons emitted by a radiation source 有权
标题翻译：用于检测由辐射源发射的光子的检测装置
公开(公告)号：US09176238B2
公开(公告)日：2015-11-03
申请号：US13978585
申请日：2011-12-27
申请人： Christoph Herrmann , Roger Steadman Booker , Oliver Muelhens
发明人： Christoph Herrmann , Roger Steadman Booker , Oliver Muelhens
IPC分类号： G01T1/17
CPC分类号： G01T1/17
摘要： The invention relates to a detection device (6) for detecting photons emitted by a radiation source (2). A signal generation unit (20) generates a detection signal indicative of the energy of a detected photon while photons strike the detection device (6), and a baseline signal, which is affected by photons that previously struck the detection device (6), while photons are prevented from striking the detection device (6). A baseline shift determination unit (40) determines a baseline shift of the detection signal depending on the baseline signal. An energy determination unit (30) determines the energy of a detected photon depending on the detection signal and the determined baseline shift. Since the baseline shift of the detection signal is determined from a baseline signal that is generated while photons are prevented from striking the detection device (6), the baseline shift can be determined with higher accuracy, resulting in an improved energy determination.
摘要翻译：本发明涉及一种用于检测由辐射源（2）发射的光子的检测装置（6）。信号产生单元（20）产生一个检测信号，该信号指示当光子撞击检测装置（6）时检测到的光子的能量;以及受先前撞击检测装置（6）的光子影响的基线信号，同时防止光子撞击检测装置（6）。基线偏移确定单元（40）根据基线信号确定检测信号的基线偏移。能量确定单元（30）根据检测信号和确定的基线偏移来确定检测到的光子的能量。由于检测信号的基线偏移是从光子被阻止撞击检测装置（6）时产生的基线信号确定的，所以可以以较高精度确定基线偏移，从而改善能量确定。

2. 发明授权

US08723132B2 Single photon radiation detector 有权
标题翻译：单光子辐射探测器
公开(公告)号：US08723132B2
公开(公告)日：2014-05-13
申请号：US12933147
申请日：2009-03-12
申请人： Christian Baeumer , Thomas Frach , Christoph Herrmann , Gordian Prescher , Torsten Solf , Roger Steadman Booker , Guenter Zeitler
发明人： Christian Baeumer , Thomas Frach , Christoph Herrmann , Gordian Prescher , Torsten Solf , Roger Steadman Booker , Guenter Zeitler
IPC分类号： G01T1/208
CPC分类号： G01T1/2018 , G01T1/17
摘要： The invention relates to a radiation detector that is particularly suited for energy resolved single X-ray photon detection in a CT scanner. In a preferred embodiment, the detector has an array of scintillator elements in which incident X-ray photons are converted into bursts of optical photons. Pixels associated to the scintillator elements determine the numbers of optical photons they receive within predetermined acquisition intervals. These numbers can then be digitally processed to detect single X-ray photons and to determine their energy. The pixels may particularly be realized by avalanche photodiodes with associated digital electronic circuits for data processing.
摘要翻译：本发明涉及一种特别适用于CT扫描仪中的能量分辨单X射线光子检测的辐射探测器。在优选实施例中，检测器具有闪烁体元件阵列，其中入射的X射线光子被转换成光子光子的脉冲串。与闪烁体元件相关联的像素确定它们在预定采集间隔内接收的光子的数量。然后可以对这些数字进行数字处理，以检测单个X射线光子并确定其能量。像素可以特别由具有用于数据处理的相关数字电子电路的雪崩光电二极管实现。

3. 发明授权

US08581200B2 Radiation detector with multiple electrodes on a sensitive layer 有权
标题翻译：辐射检测器在敏感层上具有多个电极
公开(公告)号：US08581200B2
公开(公告)日：2013-11-12
申请号：US12514595
申请日：2007-11-12
申请人： Klaus Jürgen Engel , Guenter Zeitler , Christian Baeumer , Christoph Herrmann , Jens Wiegert , Roland Proksa , Ewald Rössl , Roger Steadman Booker
发明人： Klaus Jürgen Engel , Guenter Zeitler , Christian Baeumer , Christoph Herrmann , Jens Wiegert , Roland Proksa , Ewald Rössl , Roger Steadman Booker
IPC分类号： H01L27/146
CPC分类号： G01T1/2928
摘要： The invention relates to a radiation detector (200), particularly an X-ray detector, which comprises at least one sensitive layer (212) for the conversion of incident photons (X) into electrical signals. A two-dimensional array of electrodes (213) is located on the front side of the sensitive layer (212), while its back side carries a counter-electrode (211). The size of the electrodes (213) may vary in radiation direction (y) for adapting the counting workload of the electrodes. Moreover, the position of the electrodes (213) with respect to the radiation direction (y) provides information about the energy of the detected photons (X).
摘要翻译：本发明涉及一种辐射探测器（200），特别是一种X射线检测器，其包括用于将入射光子（X）转换成电信号的至少一个敏感层（212）。电极（213）的二维阵列位于敏感层（212）的前侧，而其背面承载对电极（211）。电极（213）的尺寸可以在辐射方向（y）上变化，以适应电极的计数工作量。此外，电极（213）相对于辐射方向（y）的位置提供关于检测到的光子（X）的能量的信息。

4. 发明申请

US20120085915A1 PROCESSING ELECTRONICS AND METHOD FOR DETERMINING A COUNT RESULT, AND DETECTOR FOR AN X-RAY IMAGING DEVICE 有权
标题翻译：用于确定计数结果的处理电子和方法以及用于X射线成像装置的检测器
公开(公告)号：US20120085915A1
公开(公告)日：2012-04-12
申请号：US12679327
申请日：2008-09-23
申请人： Christian Baeumer , Guenter Zeitler , Klaus Juergen Engel , Christoph Herrmann , Roger Steadman Booker
发明人： Christian Baeumer , Guenter Zeitler , Klaus Juergen Engel , Christoph Herrmann , Roger Steadman Booker
IPC分类号： G01T1/24
CPC分类号： G01T1/17
摘要： The present invention relates to processing electronics (18) for a detector (12) of an X-ray imaging device (14), the processing electronics (18) with a pulse counter section (22) having at least one count output (30) and with an integrator section (24) having an intensity output (32), wherein the processing electronics (18) is adapted to be connected to a sensor (16) in such a manner that X-ray photons (58) arriving at the sensor (16) can be processed by the pulse counter section (22), by the integrator section (24), or both, and wherein the processing electronics (18) comprises a processor (34) adapted to be connected to the count output (30) and to the intensity output (32) and adapted to output a count result (K) that takes into account both count information (N) obtained at the count output (30) and intensity information (I) obtained at the intensity output (32), so that the count result (K) contains information (N) obtained from the pulse counter section (22) and information (M) obtained from the integrator section (24). The present invention further relates to a corresponding detector element (10) for a detector (12), an X-ray imaging device (14), a method for determining a count result (K) from a detector element (10), a computer program, a data carrier and a detector (12) for an X-ray imaging device (14).
摘要翻译：本发明涉及用于X射线成像设备（14）的检测器（12）的处理电子器件（18），具有至少一个计数输出（30）的脉冲计数器部分（22）的处理电子器件（18）以及具有强度输出（32）的积分器部分（24），其中处理电子器件（18）适于以使得X射线光子（58）到达传感器的方式连接到传感器（16）（16）可以由脉冲计数器部分（22），积分器部分（24）或两者处理，并且其中处理电子器件（18）包括适于连接到计数输出（30）的处理器（34））和强度输出（32）并且适于输出考虑在计数输出（30）处获得的计数信息（N）和在强度输出（32）处获得的强度信息（I）的计数结果（K）），使得计数结果（K）包含从脉冲计数器部分（22）获得的信息（N）和信息（M）从积分器部分（24）获得。本发明还涉及用于检测器（12）的相应的检测器元件（10），X射线成像装置（14），用于从检测器元件（10）确定计数结果（K）的方法，计算机程序，数据载体和用于X射线成像装置（14）的检测器（12）。

5. 发明申请

US20110168904A1 RADIATION DETECTOR WITH A STACK OF CONVERTER PLATES AND INTERCONNECT LAYERS 有权
标题翻译：具有转换板和互连层堆叠的辐射探测器
公开(公告)号：US20110168904A1
公开(公告)日：2011-07-14
申请号：US13062710
申请日：2009-09-01
申请人： Rob Van Asselt , Cornelis Slob , Nicolaas Johannes Anthonius Van Veen , Christian Baeumer , Roger Steadman Booker , Christoh Herrmann , Johannes Wilhelmus Weekamp , Klaus Jurgen Engel
发明人： Rob Van Asselt , Cornelis Slob , Nicolaas Johannes Anthonius Van Veen , Christian Baeumer , Roger Steadman Booker , Christoh Herrmann , Johannes Wilhelmus Weekamp , Klaus Jurgen Engel
IPC分类号： G01T1/24
CPC分类号： G01T1/2928
摘要： The invention relates to a radiation detector and a method for its production, wherein a series of converter plates (110) and interconnect layers (120), which extend into a border volume (BV) lateral of the converter plates (110), are stacked. By filling voids in the border volume (BV) with an underfill material and cutting through the border volume, a contact surface (CS) is generated in which electrical leads (123) of the interconnect layers (120) lie free. To allow a good contacting, said leads (123) are preferably provided with enlargements in the contact surface, for example by bonding wires (132) to them.
摘要翻译：本发明涉及一种辐射检测器及其制造方法，其中一系列转换板（110）和互连层（120），其延伸到转换器板（110）的侧边的边界体积（BV）中，。通过用底部填充材料填充边界体积（BV）中的空隙并切割通过边界体积，产生接触表面（CS），其中互连层（120）的电引线（123）不存在。为了允许良好的接触，所述引线（123）优选地设置在接触表面中的放大，例如通过将导线（132）接合到它们。

6. 发明申请

US20100008558A1 SPECTRALLY RESOLVING X-RAY IMAGING DEVICE 失效
标题翻译：频谱分辨X射线成像装置
公开(公告)号：US20100008558A1
公开(公告)日：2010-01-14
申请号：US12518480
申请日：2007-12-11
申请人： Christian Baeumer , Roger Steadman Booker , Gereon Vogtmeier , Thomas Scheel , Christoph Loef
发明人： Christian Baeumer , Roger Steadman Booker , Gereon Vogtmeier , Thomas Scheel , Christoph Loef
IPC分类号： G06K9/00
CPC分类号： A61B6/405 , A61B6/032
摘要： The invention relates to an X-ray imaging device (100), particularly a Spectral-CT scanner, that comprises an X-ray source (10) for generating X-radiation with an energy spectrum (P(E,t)) which varies continuously during an observation period (T). In a preferred embodiment, the radiation (X) is attenuated in an object (1) according to an energy-dependent attenuation coefficient μ(E,r), the transmitted radiation is measured by sensor units (22) of a detector (20, 30), and the resulting measurement signal (i(t)) is sampled and A/D converted. This is preferably done by an oversampling A/D converter, for example a ΣΔ-ADC. The tube voltage (U(t)) that drives the X-ray source is sampled with high frequency. In an evaluation system (50), these sampled measurement values can be associated with corresponding effective energy spectra (Φ(E)) to determine the energy dependent attenuation coefficient μ(E,r).
摘要翻译：本发明涉及一种X射线成像装置（100），特别是一种光谱CT扫描仪，其包括用于产生具有变化的能谱（P（E，t））的X射线的X射线源（10）在观察期间（T）持续。在优选实施例中，辐射（X）根据能量依赖衰减系数μ（E，r）在物体（1）中衰减，透射辐射由检测器（20,20）的传感器单元（22） 30），并且对所得到的测量信号（i（t））进行采样和A / D转换。这最好由过采样A / D转换器，例如SigmaDelta-ADC完成。驱动X射线源的管电压（U（t））以高频率进行采样。在评估系统（50）中，这些采样的测量值可以与相应的有效能量谱（Phi（E））相关联，以确定能量依赖衰减系数μ（E，r）。

7. 发明授权

US09535171B2 Radiation detector with steering electrodes 有权
标题翻译：带转向电极的辐射探测器
公开(公告)号：US09535171B2
公开(公告)日：2017-01-03
申请号：US13821570
申请日：2011-09-07
申请人： Christoph Herrmann , Klaus Jurgen Engel , Roger Steadman Booker
发明人： Christoph Herrmann , Klaus Jurgen Engel , Roger Steadman Booker
IPC分类号： G01T1/20 , G01T1/24 , H01L31/0352 , H01L31/0224 , G01T1/29
CPC分类号： G01T1/24 , G01T1/241 , G01T1/2928 , H01L31/022408 , H01L31/035272
摘要： The invention relates to a radiation detector (100) and an associated method for the detection of (e.g. X or γ-) radiation. The detector (100) comprises a converter element (110) in which incident photons (X) are converted into electrical signals, and an array of anodes (130) for generating an electrical field (E) in the converter element (110). At least two anodes are associated with two steering electrodes (140) to which different potentials can be applied by a control unit (150). Preferably, each single anode or small group of anodes is surrounded by one steering electrode. The potentials of the steering electrodes (140) may be set as a function of the potentials that are induced in these electrodes when an operating voltage is applied between the anodes and a cathode (120). Moreover, a grid electrode (160) may be provided that at least partially encircles anodes (130) and their steering electrodes (140).
摘要翻译：本发明涉及一种用于检测（例如X或γ-）辐射的辐射检测器（100）和相关联的方法。检测器（100）包括转换器元件（110），入射光子（X）转换成电信号，以及用于在转换器元件（110）中产生电场（E）的阳极阵列（130）。至少两个阳极与两个转向电极（140）相关联，由控制单元（150）向其施加不同的电位。优选地，每个单个阳极或小组阳极被一个转向电极包围。当在阳极和阴极（120）之间施加工作电压时，可以将转向电极（140）的电位设置为在这些电极中感应的电位的函数。此外，可以提供栅极（160），其至少部分地环绕阳极（130）及其转向电极（140）。

8. 发明申请

US20130168557A1 RADIATION DETECTOR WITH STEERING ELECTRODES 有权
标题翻译：带有转向电极的辐射探测器
公开(公告)号：US20130168557A1
公开(公告)日：2013-07-04
申请号：US13821570
申请日：2011-09-07
申请人： Christoph Herrmann , Klaus Jurgen Engel , Roger Steadman Booker
发明人： Christoph Herrmann , Klaus Jurgen Engel , Roger Steadman Booker
IPC分类号： G01T1/24
CPC分类号： G01T1/24 , G01T1/241 , G01T1/2928 , H01L31/022408 , H01L31/035272
摘要： The invention relates to a radiation detector (100) and an associated method for the detection of (e.g. X or γ-) radiation. The detector (100) comprises a converter element (110) in which incident photons (X) are converted into electrical signals, and an array of anodes (130) for generating an electrical field (E) in the converter element (110). At least two anodes are associated with two steering electrodes (140) to which different potentials can be applied by a control unit (150). Preferably, each single anode or small group of anodes is surrounded by one steering electrode. The potentials of the steering electrodes (140) may be set as a function of the potentials that are induced in these electrodes when an operating voltage is applied between the anodes and a cathode (120). Moreover, a grid electrode (160) may be provided that at least partially encircles anodes (130) and their steering electrodes (140).
摘要翻译：本发明涉及一种用于检测（例如X或γ）辐射的辐射检测器（100）和相关联的方法。检测器（100）包括转换器元件（110），入射光子（X）转换成电信号，以及用于在转换器元件（110）中产生电场（E）的阳极阵列（130）。至少两个阳极与两个转向电极（140）相关联，由控制单元（150）向其施加不同的电位。优选地，每个单个阳极或小组阳极被一个转向电极包围。当在阳极和阴极（120）之间施加工作电压时，可以将转向电极（140）的电位设定为在这些电极中感应的电位的函数。此外，可以提供栅极（160），其至少部分地环绕阳极（130）及其转向电极（140）。

9. 发明授权

US08373132B2 Radiation detector with a stack of scintillator elements and photodiode arrays 有权
标题翻译：具有闪烁体元件和光电二极管阵列堆叠的辐射检测器
公开(公告)号：US08373132B2
公开(公告)日：2013-02-12
申请号：US12698330
申请日：2010-02-02
申请人： Christian Baeumer , Oliver Muelhens , Roger Steadman Booker , Christoph Herrmann
发明人： Christian Baeumer , Oliver Muelhens , Roger Steadman Booker , Christoph Herrmann
IPC分类号： G01T1/20
CPC分类号： H01L27/1446 , H01L27/14603 , H01L27/1462 , H01L31/18
摘要： The invention relates to a radiation detector and a method for producing such a detector, wherein the detector comprises a stack of the scintillator elements and photodiode arrays. The PDAs extend with electrical leads into a rigid body filling a border volume lateral of the scintillator elements, wherein said leads end in a contact surface of the border volume. Moreover, a redistribution layer is disposed on the contact surface, wherein electrical lines of the redistribution layer contact the leads of the PDAs.
摘要翻译：本发明涉及一种用于制造这种检测器的放射线检测器和方法，其中该检测器包括一组闪烁体元件和光电二极管阵列。 PDA随着电引线延伸进入填充闪烁体元件的边界体积横截面的刚体，其中所述引线端接在边界体积的接触表面中。此外，再分配层设置在接触表面上，其中再分布层的电线接触PDA的引线。

10. 发明授权

US08350221B2 Apparatus and method for generating countable pulses from impinging X-ray photons; and corresponding imaging device 有权
标题翻译：用于产生来自冲击X射线光子的可计数脉冲的装置和方法; 和相应的成像装置
公开(公告)号：US08350221B2
公开(公告)日：2013-01-08
申请号：US12670876
申请日：2008-07-24
申请人： Roger Steadman Booker , Christian Baeumer , Christoph Herrmann , Guenter Zeitler , Hans Krüger , Walter Ruetten , Oliver Muelhens
发明人： Roger Steadman Booker , Christian Baeumer , Christoph Herrmann , Guenter Zeitler , Hans Krüger , Walter Ruetten , Oliver Muelhens
IPC分类号： G01N23/00
CPC分类号： G01T1/17
摘要： The present invention relates to an apparatus (10) for generating countable pulses (30) from impinging X-ray (12, 14) in an imaging device (16), in particular in a computer tomograph, the apparatus (10) comprising a pre-amplifying element (18) adapted to convert a charge pulse (20) generated by an impinging photon (12, 14) into an electrical signal (22) and a shaping element (26) having a feedback loop (28) and adapted to convert the electrical signal (22) into an electrical pulse (30), wherein a delay circuit (38) is connected to the feedback loop (28) such that a time during which the feedback loop (28) collects charges of the electrical signal (22) is extended in order to improve an amplitude of the electrical pulse (30) at an output (56) of the shaping element (26). The invention also relates to a corresponding imaging device (16) and a corresponding method.
摘要翻译：本发明涉及一种用于在成像装置（16）中产生可冲击的脉冲（30）的设备（10），特别是在计算机断层摄影装置中，该装置（10）包括一个预先适于将由入射光子（12,14）产生的电荷脉冲（20）转换成电信号（22）的放大元件（18）和具有反馈回路（28）并适于转换的成形元件（26）电信号（22）转换成电脉冲（30），其中延迟电路（38）连接到反馈回路（28），使得反馈回路（28）收集电信号（22）的电荷）被扩展以便改善成形元件（26）的输出端（56）处的电脉冲（30）的振幅。本发明还涉及相应的成像装置（16）和相应的方法。

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