Conic-body for cathode-ray tube
A cathode ray and tube technology, applied in the direction of cathode ray tube/electron beam tube, cathode ray/electron beam tube shell/container, discharge tube, etc., can solve problems such as time delay and gap rise
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[0018] Hereinafter, embodiments of the present invention will be described based on the drawings.
[0019] Fig. 1(A) is a cross-sectional view of a 90° portion (first quadrant) of a cone for a cathode ray tube at an arbitrary height h from the reference line for explaining the wall thickness distribution of the present invention, and Fig. 1(B) is the cone The side view of the whole body, figure 2 It is a graph showing an example of the thickness distribution state of the 90° portion (first quadrant) of the cone of the present invention.
[0020] As shown in Figure 1 (A) and Figure 1 (B), the cathode ray tube cone F is composed of a deflection system portion a on the small opening end side and a main body portion b on the large opening end side. The vertical cross-section is roughly quadrangular, with a long axis L, a short axis S, and a diagonal axis D. Except for the neck portion e, the deflection system portion a, the edge portion j, the anode buckle portion k, and the calibrati...
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Abstract
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