发明名称 |
Strip-type mask assembly for color cathode-ray tube |
摘要 |
A strip-type mask assembly includes a strip-type mask having slits and strips. The strip-type mask further has perforations aligned with at least one of the slits and is disposed in at least one of regions between the extreme ends of the slits and the weld lines. The distance between the perforation and the extreme end of the slit is less than or equal to 2 mm. The dimensions and the positions of the perforations, and the number of the perforations aligned with one slit are determined so as to reduce the difference among the widths of the slits resulting from the local variation of the distribution of the tension on the slits or the difference among the lengths of the slits.
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申请公布号 |
US2004189178(A1) |
申请公布日期 |
2004.09.30 |
申请号 |
US20030737842 |
申请日期 |
2003.12.18 |
申请人 |
YAMANE HISAKAZU;WATANUKI HARUO |
发明人 |
YAMANE HISAKAZU;WATANUKI HARUO |
分类号 |
H01J29/07;(IPC1-7):H01J29/81 |
主分类号 |
H01J29/07 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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