| 大屏幕彩色显像管电子枪聚焦性能分析 |
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| 引用本文： | 李朝明,陈德权,董北斗.大屏幕彩色显像管电子枪聚焦性能分析[J].真空电子技术,2001(3):1-3. |
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| 作者姓名： | 李朝明 陈德权 董北斗 |
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| 作者单位： | 广东福地科技股份有限公司, |
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| 摘 要： | 电子枪聚焦性能是由电极结构决定的，本文通过计算机模拟的方式对3种典型的用于大屏幕彩色显像管电子枪的为形貌进行了系统的模拟，对各电子枪聚焦特性进行了分析和比较表明电子束形成区，主透镜结构对屏幕中心，角部的着屏光点及不同电流下了聚焦的稳定性都有较大的影响。
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| 关 键 词： | 聚焦性能 束形成区 彩色显像管 电子枪 |
| 文章编号： | 1002-8935(2001)03-0001-03 |
| 修稿时间： | 2000年11月27 |
Focusing Performance Analysis of Electron Gun for
Large Screen Color Picture Tube |
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| LI Chao-ming,CHEN De-quan,DONG Bei-dou.Focusing Performance Analysis of Electron Gun for
Large Screen Color Picture Tube[J].Vacuum Electronics,2001(3):1-3. |
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| Authors: | LI Chao-ming CHEN De-quan DONG Bei-dou |
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| Abstract: | The focusing performance of electron gun is decided by the structure of electrodes. In this paper, the beam spots of three typical guns for large screen CPT (color picture tube) are simulated systemically. The analysis and comparison of the three electron guns' focusing characteristic show that the BFR(beam forming region) and the structure of mian lens are deeply affect the landing spots both at the screen center and at corner and also affect the focusing stabilization at different currents. |
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| Keywords: | Focus BFR Main lens Landing spot |
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