FOCAL SPOT TEMPERATURE REDUCTION USING THREE-POINT DEFLECTION
    11.
    发明申请
    FOCAL SPOT TEMPERATURE REDUCTION USING THREE-POINT DEFLECTION 有权
    使用三点偏移的焦点点温度降低

    公开(公告)号:US20090060140A1

    公开(公告)日:2009-03-05

    申请号:US11846563

    申请日:2007-08-29

    IPC分类号: H01J35/30 H01J35/26

    CPC分类号: H05G1/52 H01J35/14

    摘要: An x-ray tube includes an anode comprising a focal track and a cathode assembly configured to emit an electron beam toward a focal spot on the focal track. The x-ray tube also includes a controller configured to wobble the electron beam among a plurality of focal points in a direction tangent to the focal track. The plurality of focal points includes at least one focal point that is bounded by a pair of boundary focal points. The controller is further configured to delay a wobble of the electron beam away from the at least one focal point for a pre-determined amount of time.

    摘要翻译: X射线管包括阳极,该阳极包括焦点轨道和阴极组件,该阴极组件被配置为朝向焦点轨迹上的焦斑发射电子束。 X射线管还包括控制器,其配置成在与焦点轨迹相切的方向上摆动多个焦点之间的电子束。 多个焦点包括由一对边界焦点限定的至少一个焦点。 控制器还被配置为将电子束的摆动远离至少一个焦点延迟预定的时间量。

    Structure for collecting scattered electrons
    12.
    发明授权
    Structure for collecting scattered electrons 失效
    用于收集散射电子的结构

    公开(公告)号:US07359486B2

    公开(公告)日:2008-04-15

    申请号:US11306233

    申请日:2005-12-20

    IPC分类号: H01J35/10 H01J35/12

    摘要: A structure for collecting scattered electrons within a substantially evacuated vessel containing both an electron-emitting cathode and an electron-attracting anode is disclosed herein. The electron-collecting structure includes a two-sided first plate, a two-sided second plate, a fluid inlet, and a fluid outlet. The first plate is both electrically conductive and thermally emissive and is mountable within the vessel so that its first side at least partially faces the anode. The second plate is also thermally emissive and has a first side that is substantially conterminous with the second side of the first plate. Furthermore, the second plate additionally has an internal conduit for conveying a heat-absorbing fluid within. Both the fluid inlet and the fluid outlet are in fluid communication with the conduit in the second plate. During operation, the structure is able to attract scattered electrons and transfer thermal energy attributable to the electrons away from the structure.

    摘要翻译: 本文公开了一种在包含电子发射阴极和吸电子阳极的基本抽空的容器内收集散射电子的结构。 电子收集结构包括双面第一板,双面第二板,流体入口和流体出口。 第一板是导电和热发射的,并且可安装在容器内,使得其第一侧至少部分地面对阳极。 第二板也是热发射的,并且具有与第一板的第二侧基本相连的第一侧。 此外,第二板还具有用于在其内输送吸热流体的内部导管。 流体入口和流体出口都与第二板中的导管流体连通。 在运行期间,该结构能够吸引散射的电子并将归因于电子的热能转移到结构之外。