H01J25/52 - CPC Classification

Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons; Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode

• H01J25/54 » having only one cavity or other resonator, e.g. neutrode tube 3
• H01J25/58 » having a number of resonators; having a composite resonator, e.g. a helix 10

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