electron gunelectron gun
the part of an electron tube, esp. a cathode-ray tube, that emits, accelerates, and controls a beam of electrons
An electrode, especially in a cathode-ray tube, that produces a beam of accelerated electrons.
(plural electron guns)
- (physics) Any device that produces a stream of electrons, especially a narrow stream that is focused onto a phosphor screen.
electron gun - Computer Definition
A device that creates a fine beam of electrons that is focused on a phosphor screen in a CRT.