利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

28 条记录 (耗时 0.021 秒)

    DETERMINATION OF A SPATIAL GAIN DISTRIBUTION OF A SCINTILLATOR
    5.
    发明申请
    DETERMINATION OF A SPATIAL GAIN DISTRIBUTION OF A SCINTILLATOR 有权
    确定扫描仪空间增益分布

    公开(公告)号：US20100051816A1

    公开(公告)日：2010-03-04

    申请号：US12594959

    申请日：2008-04-09

    申请人： Rudolph Maria Snoeren ,  Heidrun Steinhauser ,  Nicolaas Jan Noordhoek ,  Matthias Simon

    发明人： Rudolph Maria Snoeren ,  Heidrun Steinhauser ,  Nicolaas Jan Noordhoek ,  Matthias Simon

    IPC分类号： G01T1/20

    CPC分类号： G01T1/2018 ,  G01T1/2928

    摘要： A method for providing information about a spatial gain distribution of a scintillator for a primary radiation is provided which does not require the irradiation of the scintillator with the primary radiation. The method comprises the step of irradiating the scintillator with a secondary radiation for generating an image of a spatial secondary gain distribution of the scintillator for said second radiation. The spatial secondary gain distribution image corresponds to an image of the spatial primary gain distribution for the primary radiation. In an embodiment of the invention, i.e. in an X-rayimaging device where the primary radiation is X-rayradiation, the invention provides for an accurate calibration of the X-raydetector without irradiating the X-raydetector with X-rayradiation. Rather, irradiation with UV radiation as the secondary radiation provides the desired spatial secondary gain distribution image which can be used for calibration.

    摘要翻译： 提供了一种用于提供关于主辐射的闪烁体的空间增益分布的信息的方法，其不需要用初级辐射照射闪烁体。 该方法包括用二次辐射照射闪烁体的步骤，用于产生用于所述第二辐射的闪烁体的空间二次增益分布的图像。 空间二次增益分布图像对应于初级辐射的空间初级增益分布的图像。 在本发明的一个实施例中，即在主辐射为X射线照射的X射线成像装置中，本发明提供了X射线检测器的精确校准，而不用X射线照射X射线检测器。 相反，用UV辐射作为辅助辐射的照射提供了可用于校准的期望的空间二次增益分布图像。

    Lead oxide based photosensitive device and its manufacturing method
    6.
    发明授权
    Lead oxide based photosensitive device and its manufacturing method 失效
    氧化铅基感光器件及其制造方法

    公开(公告)号：US07649179B2

    公开(公告)日：2010-01-19

    申请号：US11815457

    申请日：2006-01-26

    申请人： Matthias Simon ,  Detlef Uwe Wiechert ,  Claus Feldmann

    发明人： Matthias Simon ,  Detlef Uwe Wiechert ,  Claus Feldmann

    IPC分类号： G01T1/24

    CPC分类号： H01L31/09

    摘要： A method for manufacturing a photo-responsive device having a photo-sensitive layer is proposed. The method comprises the following steps: a) providing a clean substrate inside an evacuated evaporation chamber; b) evaporating lead oxide (PbO) from a first crucible to form a seeding layer on the surface of the substrate; c) affecting upon the seeding layer such that only tetragonal lead oxide forms the seeding layer and/or such that the initially grown orthorhombic lead oxide forming the seeding layer is transformed into tetragonal lead oxide; and d) continuing to evaporate lead oxide until the final thickness of the photo-sensitive layer has been deposited onto the substrate. As a result the method yields a photo-responsive device comprising a photo-sensitive layer of lead oxide, which entirely consists of tetragonal lead oxide.

    摘要翻译： 提出了一种制造具有光敏层的光响应装置的方法。 该方法包括以下步骤：a）在真空蒸发室内提供清洁的基板; b）从第一坩埚蒸发氧化铅（PbO）以在基材的表面上形成接种层; c）影响接种层，使得仅四方铅氧化物形成接种层和/或使得形成接种层的最初生长的正交铅氧化铅转变为四方铅氧化物; 和d）继续蒸发氧化铅，直到感光层的最终厚度已经沉积到基底上。 结果，该方法产生了一种光响应装置，其包括完全由四方铅氧化物组成的氧化铅光敏层。

    DETECTOR FOR AND A METHOD OF DETECTING ELECTROMAGNETIC RADIATION
    7.
    发明申请
    DETECTOR FOR AND A METHOD OF DETECTING ELECTROMAGNETIC RADIATION 有权
    用于检测电磁辐射的检测器和检测方法

    公开(公告)号：US20090321643A1

    公开(公告)日：2009-12-31

    申请号：US12374394

    申请日：2007-07-12

    申请人： Walter Rutten ,  Matthias Simon ,  Rainer Kiewitt ,  Christoph Herrmann ,  Bernd Menser

    发明人： Walter Rutten ,  Matthias Simon ,  Rainer Kiewitt ,  Christoph Herrmann ,  Bernd Menser

    IPC分类号： G01T1/24

    CPC分类号： H01L27/14658 ,  H01L27/14676

    摘要： A detector unit (301) for detecting electromagnetic radiation (106), the detector unit (301) comprising a conversion material (332) adapted for converting impinging electromagnetic radiation (106) into electric charge carriers, a charge collection electrode (331) adapted for collecting the converted electric charge carriers, a shielding electrode (334, 335) adapted to form a capacitance with the charge collection electrode (331), and an evaluation circuit (312 to 315) electrically coupled with the charge collection electrode (331) and adapted for evaluating the electromagnetic radiation (106) based on the collected electric charge carriers.

    摘要翻译： 一种用于检测电磁辐射（106）的检测器单元（301），所述检测器单元（301）包括适于将入射电磁辐射（106）转换成电荷载流子的转换材料（332），适于 收集转换的电荷载体，适于与电荷收集电极（331）形成电容的屏蔽电极（334,335），以及与电荷收集电极（331）电耦合的评估电路（312至315），并且适于 用于基于收集的电荷载流子来评估电磁辐射（106）。

    COMPENSATION OF LEAKAGE CURRENT AND RESIDUAL SIGNALS FOR INTEGRATING DETECTOR BASED ON DIRECT X-RAY CONVERSION
    8.
    发明申请
    COMPENSATION OF LEAKAGE CURRENT AND RESIDUAL SIGNALS FOR INTEGRATING DETECTOR BASED ON DIRECT X-RAY CONVERSION 有权
    基于直接X射线转换的集成检测器的泄漏电流和残留信号的补偿

    公开(公告)号：US20090290050A1

    公开(公告)日：2009-11-26

    申请号：US12441593

    申请日：2007-09-17

    申请人： Christoph Herrmann ,  Walter Ruetten ,  Matthias Simon ,  Bernd Menser

    发明人： Christoph Herrmann ,  Walter Ruetten ,  Matthias Simon ,  Bernd Menser

    IPC分类号： H04N9/64

    CPC分类号： H04N5/35518 ,  H04N5/32 ,  H04N5/3597 ,  H04N5/361

    摘要： The application describes an X-ray detector, which uses direct X-ray conversion (DiCo) combined with CMOS pixel circuits. DiCo materials have to be used with high voltage to achieve a high field strength. This makes the sensor prone to leakage currents, which falsify the measured charge result. Moreover, most direct conversion materials suffer from large residual signals that lead to temporal artifacts (ghost images) in an X-ray image sequence. A circuit is described, which senses the sensor's dark current including residual signals from previous exposures before the sensor is exposed (again) to X-ray, and freezes relevant circuit parameters at the end of the sensing phase in such way, that the dark current (leakage current and residual signal) can still be drained during exposure. Therefore, the charge pulses generated in the sensor due to X-ray exposure can be integrated without charges carried by the leakage current or residual signal, thus obtaining a more accurate estimate of the deposited X-ray energy.

    摘要翻译： 该应用描述了使用与CMOS像素电路结合的直接X射线转换（DiCo）的X射线检测器。 必须在高电压下使用DiCo材料才能实现高场强。 这使得传感器容易发生泄漏电流，这会造成测量的充电结果。 此外，大多数直接转换材料遭受导致X射线图像序列中的时间伪影（幽灵图像）的大残留信号。 描述了一种电路，其感测传感器的暗电流，包括在传感器再次暴露（X射线）之前的先前曝光的残留信号，并且以这种方式在感测阶段结束时冻结相关电路参数， （泄漏电流和残留信号）在曝光期间仍然可以排出。 因此，由于X射线曝光，在传感器中产生的充电脉冲可以不受泄漏电流或残留信号携带的电荷的积分，从而获得更精确的沉积的X射线能量的估计。

    Detector for the detection of X-radiation
    9.
    发明授权
    Detector for the detection of X-radiation 失效
    检测器用于检测X辐射

    公开(公告)号：US07483515B2

    公开(公告)日：2009-01-27

    申请号：US10558722

    申请日：2004-05-26

    申请人： Augusto Nascetti ,  Michael Overdick ,  Matthias Simon

    发明人： Augusto Nascetti ,  Michael Overdick ,  Matthias Simon

    IPC分类号： H05G1/64 ,  H01L27/146

    CPC分类号： H04N5/3597 ,  H04N5/325

    摘要： The invention relates to a detector and a method for the production of consecutive X-ray images. This involves the generation in the detector by X-radiation during an exposure interval (Texp) of a current flow (I(t)) which is integrated (Qdk*, Qsig*, Qac*) in a memory capacity and read out in a subsequent readout phase (Trd). In order to minimize the influence of slowly decaying residual currents (Iac), the current (I(t)) is integrated only during the exposure interval (Texp). By this means, disturbing artifacts due to residual signals from earlier photographs are minimized.

    摘要翻译： 本发明涉及用于生产连续X射线图像的检测器和方法。 这涉及在存储器容量中被积分的电流（I（t））的电流（I（t））的曝光间隔（Texp）期间通过X射线在检测器中产生并在一个存储器容量 后续读出阶段（Trd）。 为了最小化缓慢衰减的剩余电流（Iac）的影响，电流（I（t））仅在曝光间隔（Texp）期间被积分。 通过这种方式，由于来自较早照片的残留信号引起的干扰赝像被最小化。

    DETECTOR UNIT FOR DETECTING ELECTROMAGNETIC RADIATION
    10.
    发明申请
    DETECTOR UNIT FOR DETECTING ELECTROMAGNETIC RADIATION 审中-公开
    用于检测电磁辐射的检测器单元

    公开(公告)号：US20120205549A1

    公开(公告)日：2012-08-16

    申请号：US13501508

    申请日：2010-10-27

    申请人： Matthias Simon ,  Walter Ruetten

    发明人： Matthias Simon ,  Walter Ruetten

    IPC分类号： G01T1/16

    CPC分类号： G01T1/247 ,  H04N5/32 ,  H04N5/35545 ,  H04N5/3559 ,  H04N5/3745

    摘要： According to an exemplary embodiment of the invention a detector unit 301 for detecting electro-magnetic radiation may be provided. The detector unit 301 may comprise a conversion material 332 adapted for converting impinging electro-magnetic radiation into electric charge carriers. Moreover, the detector unit 301 may comprise a charge collection electrode 331 adapted for collecting the converted electric 321 charge carriers and an evaluation circuit 312, 313, 314 adapted for evaluating the electro-magnetic radiation based on the collected electric charge carriers. Moreover, the detector unit 301 may comprise a semiconductor 373 which may be electrically coupled between the charge 331 collection electrode 331 and the evaluation circuit 312, 313, 314.

    摘要翻译： 根据本发明的示例性实施例，可以提供用于检测电磁辐射的检测器单元301。 检测器单元301可以包括适于将入射电磁辐射转换成电荷载体的转换材料332。 此外，检测器单元301可以包括适于收集转换的电321电荷载流子的电荷收集电极331和适于基于收集的电荷载流子来评估电磁辐射的评估电路312,313,314。 此外，检测器单元301可以包括可以电耦合在电荷331收集电极331和评估电路312,313,314之间的半导体373。