| 摘要 |
In a mask frame for a cathode ray tube in accordance with the present invention, by satisfying 0.80<=a/(Xd/4)+b/(Yd/4)+c/(Dd/4)<=1.25, herein, Xd is a long side length of the mask frame, Yd is a short side length thereof, Dd is a diagonal length thereof, a is a height of the center of the long side thereof, b is a height of the center of the short side thereof, and c is a height of the corner portion, assembly can be facilitated, howling and drop characteristics can be improved, a width of a panel can be reduced, and accordingly the cathode ray tube can be slimed down and light-weighted.
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