| 摘要 |
Color cathode ray tube including a panel in front portion of the cathode ray tube, and a shadow mask spaced from, and fitted to rear of the panel for selecting a color from electron beams, being characterized in that at least one of an inside surface of the panel and the shadow mask have a curvature structure in which a radius of curvature varies continuously within a fixed ratio range, thereby enhancing a strength and improving howling. <IMAGE> |
