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    • 8. 发明授权
    • Electron beam gun
    • 电子束枪
    • US4731537A
    • 1988-03-15
    • US744396
    • 1985-06-13
    • Kenneth E. WilliamsP. Michael Fletcher
    • Kenneth E. WilliamsP. Michael Fletcher
    • H01J37/065G01K1/08G21K1/08H01J3/14H01J3/22
    • H01J37/065
    • An electron beam gun generates an electron beam directed at a target. The gun comprises electrodes for creating an electric field along the direction of beam travel and focusing coils for creating a magnetic field along the direction of beam travel. The electrodes include a plurality of members each having a beam-shaping aperture therein for passage of the beam substantially without interception of the electrons in the beam. The electrodes and focusing coils are disposed for accelerating electrons in the beam in non-parallel paths through the beam-shaping apertures and for converging the electrons in the beam in at least one cross-sectional dimension of the beam to minimize that dimension at the target.
    • 电子束枪产生指向目标的电子束。 枪包括用于沿光束行进方向产生电场的电极和用于沿光束移动方向产生磁场的聚焦线圈。 电极包括多个构件,每个构件具有其中的梁形成孔,用于基本上不拦截梁中的电子的梁的通过。 电极和聚焦线圈被设置用于通过光束成形孔在非平行路径中加速光束中的电子,并且用于在光束的至少一个横截面尺寸上会聚电子,以使靶处的尺寸最小化 。