| 发明名称 |
DYNAMIC FOCUS ELECTRON GUN |
| 摘要 |
<p>The electron gun forming the dynamic electric field in the main lens system focusing and accererating the electron beam comprises an auxiliary electrode (G32) including three cylindrers (32), and an elliptical electrode (G4) enveloping windows (W1-2) of the cylinders. The dynamic focus voltage and the stable focus voltage are applied to the electrodes respectively.</p> |
| 申请公布号 |
KR910009635(B1) |
申请公布日期 |
1991.11.23 |
| 申请号 |
KR19890002899 |
申请日期 |
1989.03.09 |
| 申请人 |
SAM SUNG ELECTRON DEVICES CO.,LTD. |
发明人 |
CHO SUK-RAE |
| 分类号 |
H01J29/48;H01J29/50;H01J29/62;(IPC1-7):H01J29/50 |
主分类号 |
H01J29/48 |
| 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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