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    • 1. 发明申请
    • ELECTRON-BEAM SPOT OPTIMIZATION
    • 电子束斑点优化
    • WO2017184232A1
    • 2017-10-26
    • PCT/US2017/016641
    • 2017-02-06
    • MOXTEK, INC.
    • PETERSON, DustinZIMMERMAN, RichardJONES, VinceMILLER, Eric
    • H01J35/14
    • Electron beam spot characteristics can be tuned in each x-ray tube (10, 30) by moving a focusing-ring (13) along a longitudinal-axis (15) of the x-ray tube. The focusing-ring can then be immovably fastened to the x-ray tube. An x-ray source can include an x-ray tube (10, 30) and a focusing-ring (13). The focusing-ring can at least partially encircle an electron-emitter (14), a cathode (12), an evacuated-enclosure (11), or combinations thereof. The focusing-ring can be located outside of a vacuum of the evacuated enclosure. The focusing-ring can adjust an electron-beam spot (33) on a target material of the x-ray tube when moved along a longitudinal-axis (15) extending linearly from the electron-emitter to the target material.
    • 通过沿着x射线管的纵向轴线(15)移动聚焦环(13),可以在每个x射线管(10,30)中调节电子束斑点特征。 聚焦环然后可以不动地固定在X射线管上。 X射线源可以包括X射线管(10,30)和聚焦环(13)。 聚焦环可以至少部分地围绕电子发射器(14),阴极(12),真空外壳(11)或其组合。 聚焦环可以位于真空外壳的真空之外。 当沿着从电子发射体线性延伸到靶材料的纵向轴线(15)移动时,聚焦环可以调节X射线管靶材上的电子束点(33)。