Electron gun with improved beam forming region

Details Electron gun with improved beam forming region Electron gun with improved beam forming region

H - Electricity

01

J

313/35.33

H01J 29/48 (2006.01) H01J 29/56 (2006.01)

Patent

CA 1174263

RCA 76,536 Abstract of the Disclosure An electron gun for use in a cathode ray tube which may be incorporated in a television receiver includes beam forming electrodes and beam focusing electrodes. A gun improvement comprises the beam forming electrodes including a cathode, a control grid adjacent to the cathode and two screen grids. A first screen grid is located adjacent to the control grid. A second screen grid is located between the first screen grid and the beam focusing electrodes. Preferably, the second screen grid and the control grid are electrically grounded. Also preferably, the first screen grid is electrically excited to a higher potential than the second screen grid.

398411

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