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    • 2. 发明授权
    • Electron beam tubes including a vacuum envelope seal and having a metallized balance ring
    • 电子束管包括真空密封圈并具有金属化平衡环
    • US07187130B2
    • 2007-03-06
    • US10792905
    • 2004-03-05
    • Edward Stanley SobieradzkiStephen BardellSteven AitkenAlan Wheelhouse
    • Edward Stanley SobieradzkiStephen BardellSteven AitkenAlan Wheelhouse
    • H01Q23/14
    • H01J23/12
    • A linear electron beam tube comprises an electron gun having a cathode and a grid, and an anode arranged in a first portion of a drift tube. The drift tube is within a vacuum envelope and has first and second portions separated by a gap at which point an electron beam, density modulated with an input RF signal is inductively coupled to an output cavity. The vacuum envelope is partially defined by a cylindrical ceramic wall and a pair of ferromagnetic pole pieces at its ends that form a DC magnetic circuit. The pole pieces extend radially beyond the vacuum envelope. At least those parts of the surface of the pole pieces that are in the RF path are coated with a layer of relatively low RF loss material such as copper. A balance ring separates the ceramic from the pole pieces. Further reduction in RF losses and relief from thermal stresses is obtained by forming the balance ring from the same ceramic as the cylindrical wall and metallizing at least that part of the outer surface of the balance ring that is on the RF path.
    • 线性电子束管包括具有阴极和栅格的电子枪和布置在漂移管的第一部分中的阳极。 漂移管在真空封套内,并且具有由间隙隔开的第一和第二部分,在该点处,用输入RF信号调制的电子束感应耦合到输出腔。 真空外壳部分地由圆柱形陶瓷壁和在其端部形成直流磁路的一对铁磁极片限定。 极片径向延伸超过真空外壳。 至少在RF路径中的极片表面的那些部分涂覆有相对低的RF损耗材料如铜的层。 平衡环将陶瓷与极片分开。 通过从与圆柱形壁相同的陶瓷形成平衡环并且金属化位于RF路径上的平衡环的外表面的至少一部分来获得进一步降低RF损耗和减轻热应力。
    • 3. 发明授权
    • Magnetron with cathode decoupled from output
    • 带阴极的磁控管与输出端分离
    • US08040067B2
    • 2011-10-18
    • US12362040
    • 2009-01-29
    • Edward Stanley Sobieradzki
    • Edward Stanley Sobieradzki
    • H01J23/36
    • H01J23/213H01J23/40H01J25/587
    • A magnetron including a cathode, an anode axially aligned with the cathode and including a plurality of radial vanes defining resonant cavities, an output coupler connected to a first set of the vanes, a second set of vanes not connected to the output coupler, and extensions formed on only the vanes of the second set, the extensions extending in the axial direction towards the output coupler in a direction parallel to the axis of the anode, the extensions not being connected to the output coupler, whereby a capacitance between the axial extensions and the cathode at least partly compensates for the capacitance between the output coupler and the cathode.
    • 磁控管,包括阴极,阳极,与阴极轴向对准并且包括限定谐振腔的多个径向叶片,连接到第一组叶片的输出耦合器,不连接到输出耦合器的第二组叶片,以及延伸部分 仅形成在第二组的叶片上,延伸部在轴向方向上朝平行于阳极轴线的方向朝向输出耦合器延伸,延伸部不连接到输出耦合器,由此在轴向延伸部和 阴极至少部分地补偿输出耦合器和阴极之间的电容。