发明名称 |
Cathode ray tube having one piece electrode plate with inclined and continuous steps |
摘要 |
A color cathode ray tube having an electron gun which includes a one piece electrode plate. The one piece electrode plate has three beam passage holes in an in-line arrangement and bead supports. The one piece electrode plate has two portions including a portion having the beam passage holes and a portion having the bead supports which are formed as a one piece structure. The portion having the beam passage holes has a thickness larger than a thickness of the bead supports portion and the one piece structure has steps and continuous walls between the two portions.
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申请公布号 |
US6222310(B1) |
申请公布日期 |
2001.04.24 |
申请号 |
US20000498616 |
申请日期 |
2000.02.07 |
申请人 |
HITACHI, LTD. |
发明人 |
MERA TAKESHI;ENDO SATORU;SUGIYAMA MITSUHIRO |
分类号 |
H01J9/14;H01J29/48;(IPC1-7):H01J29/50 |
主分类号 |
H01J9/14 |
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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