ELECTRON GUN Russian patent published in 1995 - IPC

FIELD: electronics. SUBSTANCE: electron gun has accelerating and controlling electrodes 1, 2 manufactured in the form of sleeves concentric on dielectric holder 3 and bound by layer of foam-quartz ceramics 4. Cathode unit is fixed in position of mating of working surfaces of cathode holder and controlling electrode by serving 5. Triad of cathodes of color picture tube is realized on the basis of such electron gun. Gun is distinguished for increased elasticity and reproducibility of parameters. EFFECT: prolonged service life of electron gun, simplification of its design. 2 dwg