| 摘要 |
<p>TITLE OF THE INVENTION: In-Line Electron Gun In an in-line electron gun, three apertures, closer to an accelerating electrode, of a focusing electrode, which forms three main electron lenses, are defined by bridging with a partition electrode means two neck portions of a peanutshaped aperture consisting of a center or inner aperture and two outer apertures which partially overlap the center or inner aperture and are contiguous therewith, thus forming a continuous aperture in the form of a peanut pod having three seeds.</p> |
