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    APPARATUS AND METHOD FOR IMPROVED TRANSIENT RESPONSE IN AN ELECTROMAGNETICALLY CONTROLLED X-RAY TUBE
    42.
    发明申请
    APPARATUS AND METHOD FOR IMPROVED TRANSIENT RESPONSE IN AN ELECTROMAGNETICALLY CONTROLLED X-RAY TUBE 有权
    电磁控制X射线管改善瞬态响应的装置及方法

    公开(公告)号：US20120099708A1

    公开(公告)日：2012-04-26

    申请号：US12911923

    申请日：2010-10-26

    申请人： Carey Shawn Rogers ,  Mark Alan Frontera ,  Ethan James Westcot ,  Peter Andras Zavodszky

    发明人： Carey Shawn Rogers ,  Mark Alan Frontera ,  Ethan James Westcot ,  Peter Andras Zavodszky

    IPC分类号： H01J35/14 ,  H01J35/00

    CPC分类号： H01J35/14 ,  H01J35/16 ,  H01J2235/1216 ,  H01J2235/16

    摘要： An x-ray tube assembly includes a vacuum enclosure that includes a cathode portion, a target portion, and a throat portion having a plurality of recesses formed therein to break up eddy currents generated in the throat portion. The throat portion has an upstream end coupled to the cathode portion and a downstream end coupled to the target portion. The x-ray tube assembly also includes a target positioned within the target portion of the vacuum enclosure, and a cathode positioned within the cathode portion of the vacuum enclosure. The cathode is configured to emit a stream of electrons through the throat portion toward the target.

    摘要翻译： X射线管组件包括真空外壳，其包括阴极部分，目标部分和具有形成在其中的多个凹部的喉部，以分解在喉部中产生的涡流。 喉部具有联接到阴极部分的上游端和联接到目标部分的下游端。 X射线管组件还包括位于真空外壳的目标部分内的靶，以及位于真空外壳的阴极部分内的阴极。 阴极构造成通过喉部朝向靶发射电子流。

    APPARATUS AND METHOD FOR IMPROVED TRANSIENT RESPONSE IN AN ELECTROMAGNETICALLY CONTROLLED X-RAY TUBE
    44.
    发明申请
    APPARATUS AND METHOD FOR IMPROVED TRANSIENT RESPONSE IN AN ELECTROMAGNETICALLY CONTROLLED X-RAY TUBE 有权
    电磁控制X射线管改善瞬态响应的装置及方法

    公开(公告)号：US20120099700A1

    公开(公告)日：2012-04-26

    申请号：US12911893

    申请日：2010-10-26

    申请人： Carey Shawn Rogers ,  Mark Alan Frontera ,  Ethan James Westcot ,  Aparna Chakrapani Sheila-Vadde ,  Peter Andras Zavodszky

    发明人： Carey Shawn Rogers ,  Mark Alan Frontera ,  Ethan James Westcot ,  Aparna Chakrapani Sheila-Vadde ,  Peter Andras Zavodszky

    IPC分类号： G01N23/04 ,  H01J35/30

    CPC分类号： H01J35/14 ,  H01J35/16 ,  H01J2235/1216 ,  H01J2235/16

    摘要： An x-ray tube assembly includes a vacuum enclosure including a cathode portion, a target portion, and a throat portion. The throat portion includes a magnetic field section, upstream section, and downstream section. The magnetic field section has a first susceptibility to generate eddy currents in the presence of a magnetic field intensity. The upstream section is coupled to the cathode portion and the magnetic field section and has a second susceptibility to generate eddy currents in the presence of the magnetic field intensity. The downstream section is coupled to the magnetic field section and has a third susceptibility to generate eddy currents in the presence of the magnetic field intensity. The first susceptibility to generate eddy currents is less than the second and third susceptibilities to generate eddy currents. The assembly includes a target within the target portion, and a cathode within the cathode portion.

    摘要翻译： X射线管组件包括真空外壳，其包括阴极部分，目标部分和喉部。 喉部包括磁场部分，上游部分和下游部分。 在存在磁场强度的情况下，磁场部分具有产生涡流的第一敏感性。 上游部分耦合到阴极部分和磁场部分，并且在存在磁场强度的情况下具有产生涡流的第二磁敏度。 下游部分耦合到磁场部分，并且在存在磁场强度的情况下具有产生涡流的第三磁化率。 产生涡流的第一敏感性小于产生涡流的第二和第三磁敏度。 组件包括目标部分内的靶和阴极部分内的阴极。

    Multisource type X-ray CT apparatus
    47.
    发明授权
    Multisource type X-ray CT apparatus 失效
    多源X射线CT装置

    公开(公告)号：US06807248B2

    公开(公告)日：2004-10-19

    申请号：US10302835

    申请日：2002-11-25

    申请人： Kazumasa Mihara ,  Susumu Urano ,  Keiichi Hori ,  Shin Ogura

    发明人： Kazumasa Mihara ,  Susumu Urano ,  Keiichi Hori ,  Shin Ogura

    IPC分类号： H05G160

    CPC分类号： A61B6/032 ,  A61B6/4028 ,  A61B6/4488 ,  H01J35/025 ,  H01J35/04 ,  H01J35/08 ,  H01J2235/16

    摘要： A multisource type X-ray CT apparatus including a fixed sensor array, a fixed vacuum chamber, and an X-ray generation unit. The X-ray generation unit includes a cathode and an anode which are fixed in the vacuum chamber so as to surround the sensor array, a gate array including a plurality of grid electrodes which are densely fixed between the cathode and anode and which include holes for passing the electron beams, a power source which applies a bias voltage to the grid electrodes of the gate array, and a controller which controls the power supply operation from the power source so as to select the grid electrode suitable for image pickup from the gate array in accordance with an image pickup portion of the subject and to release the bias voltage applied to the selected grid electrode.

    摘要翻译： 一种包括固定传感器阵列，固定真空室和X射线产生单元的多源X射线CT装置。 X射线产生单元包括阴极和阳极，其固定在真空室中以包围传感器阵列;门阵列，包括密集地固定在阴极和阳极之间的多个栅极，并且包括孔， 使电子束通过，向栅极阵列的栅格电极施加偏置电压的电源;以及控制器，其控制来自电源的电源操作，以便选择适合于从门阵列进行图像拾取的栅电极 根据被摄体的图像拾取部分，并且释放施加到所选择的栅电极的偏置电压。

    X-RAY TUBE DEVICE
    49.
    发明申请
    X-RAY TUBE DEVICE 审中-公开

    公开(公告)号：US20170372864A1

    公开(公告)日：2017-12-28

    申请号：US15686651

    申请日：2017-08-25

    申请人： Toshiba Electron Tubes & Devices Co., Ltd.

    发明人： Hidero ANNO ,  Tomonari ISHIHARA

    IPC分类号： H01J35/14 ,  H01J35/10 ,  H01J35/06 ,  H01J35/16

    CPC分类号： H01J35/14 ,  H01J35/06 ,  H01J35/105 ,  H01J35/16 ,  H01J2235/068 ,  H01J2235/1204 ,  H01J2235/16 ,  H01J2235/18

    摘要： According to one embodiment, an X-ray tube device includes an anode target including a target surface and a cathode including a plurality of electron generation sources configured to emit the electrons, a vacuum envelope configured to house the cathode and the anode target and internally sealed in a vacuum airtight manner, and a quadrupole magnetic-field generator configured to form a magnetic field by being supplied with a current from a power source, the quadrupole magnetic-field generator being installed on an outer side of the vacuum envelope and constituted of a quadrupole surrounding a periphery of electron orbits of the electrons emitted simultaneously from each of the plurality of electron generation sources.