公开(公告)号：US06339294B1

公开(公告)日：2002-01-15

申请号：US09186438

申请日：1998-11-05

申请人： Michael Barry Clive Brady ,  Paul Simon Burleigh

发明人： Michael Barry Clive Brady ,  Paul Simon Burleigh

IPC分类号： H01J2302

CPC分类号： H01J23/10 ,  H01J23/213 ,  H01J23/22 ,  H01J23/40 ,  H01J25/587

摘要： An anode structure for a magnetron includes T-shape anode vanes having a radially extensive component and a circumferentially extensive portion, the cylindrical faces of the circumferential portion facing a cathode in the complete magnetron. The use of T-shape vanes increases inductance and hence permits low frequency radiation to be generated without increasing the dimensions of the magnetron compared to those of a conventional magnetron. Also, capacitance is increased to give a further reduction in frequency by using more than two anode straps, and preferably four anode straps at each end of the anode structure. Preferably, the anode structure is incorporated in a magnetron in which a high magnetic field of the order of 500 Gauss for a magnetron operating at 100 MHZ is used. The anode shell itself may form part of the magnetic return path. Other anode vane configuration, for example L-shaped, may be used.

摘要翻译： 用于磁控管的阳极结构包括具有径向扩大部件和周向延伸部分的T形阳极叶片，圆周部分的圆柱面面对完整磁控管中的阴极。 与常规磁控管相比，使用T形叶片增加了电感，从而允许产生低频辐射而不增加磁控管的尺寸。 此外，通过使用多于两个阳极带，并且优选在阳极结构的每个端部处优选地具有四个阳极带，电容增加以进一步降低频率。 优选地，将阳极结构结合在磁控管中，在磁控管中使用高达500高斯的高磁场用于在100MHZ工作的磁控管。 阳极壳本身可以形成磁返回路径的一部分。 可以使用其它阳极叶片构造，例如L形。