| 摘要 |
<p>A color cathode ray tube has a tube provided with a panel (1) in which a fluorescent screen (4) is formed, a neck (2), a funnel (3) and a shadow mask assembly (5); wherein the shadow mask assembly (5) includes a shadow mask (6), a mask frame (7), and a spring (7b) for setting the shadow mask assembly (6) to the panel, the shadow mask (6) has a skirt (6b) folded from the margin (61) of a curved surface (6a) and extending in the tube axis direction, the mask frame (7) includes a side wall (7a) extending in the tube axis direction and a flange (71) extending the tube axis in the vertical direction, and the side wall (7a) is provided with a portion having a boss (7c) between the proximal edge with a flange and the fluorescent screen end of the side wall and the shadow-mask skirt is secured to the inside of the mask-frame side wall. <IMAGE></p> |
