公开(公告)号：US4855645A

公开(公告)日：1989-08-08

申请号：US105047

申请日：1987-10-06

申请人： Masanori Kinuno ,  Hisao Saito ,  Akira Kousaka ,  Toshio Kawaguchi

发明人： Masanori Kinuno ,  Hisao Saito ,  Akira Kousaka ,  Toshio Kawaguchi

IPC分类号： H01J23/10 ,  H01J25/587

CPC分类号： H01J25/587 ,  H01J23/10

摘要： In a magnetron, anode vanes are radially arranged in an anode cylinder and fixed to the inner surface of the anode cylinder. A cathode is arranged along a tube axis in the anode cylinder. Pole pieces of dish like shape are fixed to openings of the anode cylinder and the anode cylinder is hermetically sealed by cylindrical chambers. Permanent magnet rings are arranged around the cylindrical chambers, respectively, and are magnetically coupled by a yoke. Each of the pole pieces has a flange section, a flat inner disk section and a coupling section extending from the flange section to flat inner disk section. The outer diameter of pole piece is larger than 160% the diameter of an envelope defined by inner ends of the anode vanes. A envelope space contacting the inner ends of the anode vanes has a predetermined magnetic field intensity distribution that is produced by a magnetic flux supplied from the pole pieces and has a difference of not more than 15% along the tube axis.

摘要翻译： 在磁控管中，阳极叶片径向布置在阳极筒中并固定到阳极筒的内表面。 阴极沿着阳极筒中的管轴布置。 盘形的杆状件固定到阳极筒的开口，阳极筒被圆柱形的腔室气密地密封。 永磁体环分别围绕圆柱形室布置，并通过磁轭磁耦合。 每个极片具有凸缘部分，平坦的内部盘部分和从凸缘部分延伸到平坦的内部盘形部分的联接部分。 极片的外径大于由阳极叶片的内端限定的外壳的直径的160％。 与阳极叶片的内端接触的包络空间具有由从极片供给的磁通产生的预定的磁场强度分布，并且沿着管轴具有不大于15％的差。