electron gun: Quick Facts

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Facts

Also Known As	electron gun tube

Photos

Diagram of a color television picture tube using the shadow-mask technique, showing red, green, and blue electron beams from electron guns passing through an aperture grille to strike phosphor-coated glass, with labeled parts and a close-up of the grille structure.

Cutaway diagram of a gyrotron showing labeled components including the electron gun, resonant cavity, magnetic field coils, vessel, and beam collector, with arrows indicating electron and microwave beam paths.

Labeled diagram of an iconoscope television camera tube showing internal components including the electron gun, deflecting coils, anode, mosaic, signal plate, and scanning beam path.

Diagram of a traveling-wave tube showing labeled components including the electron-emitting cathode, electron gun, focus electrode, anode, electron beam, RF input and output, helix, magnetic field, and multistage depressed collector.

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Topics

television picture tube electron tube diode tetrode thyratron X-ray tube triode ignitron klystron pentode Audion magnetron

Key People

Pierce, John Robinson

John Robinson Pierce

American scientist