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MAGNETRON-TYPE ELECTRON GUN FOR GENERATING HELICAL ELECTRON BEAMS WITH REFLECTED ELECTRON TRAP
MAGNETRON-TYPE ELECTRON GUN FOR GENERATING HELICAL ELECTRON BEAMS WITH REFLECTED ELECTRON TRAP
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机译：用于反射电子阱产生螺旋电子束的磁控管型电子枪
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摘要
FIELD: physics.;SUBSTANCE: invention relates to electron guns of flight-type devices with tubular electron flow, coaxial to the axis of a resonator, e.g. gyrotrons. In an electron gun, having an axially symmetric cathode with an emitting band, an anode and a reflected electron trap, each trap electrode is in form of a helical edge, and the cathode is equipped with a cylindrical ferrule, the length of which is not less than the length of the edge of the trap.;EFFECT: high efficiency of generating microwave radiation owing to that the electron gun for generating helical electron beams with a reflected electron trap enables to capture each electron reflected from a magnetic plug at the first reflection from the magnetic plug.;5 cl, 6 dwg
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