H - Electricity – 01 – J
Patent
H - Electricity
01
J
313/35.26
H01J 29/48 (2006.01) H01J 29/50 (2006.01) H01J 29/51 (2006.01)
Patent
CA 1212144
Abstract Of The Disclosure An inline electron gun for a cathode-ray tube includes a plurality of cathodes, and a control grid, a screen grid and main focus lens electrodes arranged successively in alignment with the cathodes for focusing a plurality of electron beams along beam paths onto a screen. The screen grid has a functional grid area with a given thickness. A recessed portion is formed within the functional grid area. A plurality of apertures are formed within the recessed portion of the screen grid. The recessed portion is surrounded by a peripheral rim which is in proximity to the outer apertures, thereby affecting the electrostatic field in the vicinity of the outer electron beam paths.
453157
Chen Hsing-Yao
Hekken Frans Van
Morneau Roland L.
Rca Corporation
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