| 摘要 |
A flat color selection electrode is tensioned on a supporting frame. In order to compensate for differences in thermal expansion between the supporting frame and the color selection electrode and mislanding, spring constructions connect the supporting frame and the color selection electrode and permit only a maximum tension at the color selection electrode which is smaller than the elastic proof stress of the color selection electrode. Such a color selection electrode may be used in a color display tube having an at least substantially flat display screen.
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