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A design of eddy current controller in electron gun using 3D boundary element method

被引：0
|
作者：
Koh, CS [1 ]
Jung, KS
Hahn, SY
机构：
[1] Chungbuk Natl Univ, Sch Elect & Elect Engn, Cheongju 361763, Chungbuk, South Korea
[2] Samsung Display Devices Co Ltd, Electron Opt Grp, Suwon 442391, South Korea
[3] Seoul Natl Univ, Sch Elect Engn, Seoul 151742, South Korea
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2000年 / 36卷 / 04期
关键词：
boundary element method; eddy current controller; electron gun; magnetic deflection yoke; shield cup;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A transient electromagnetic held of the electron gun in color picture tube is analyzed using 3D-boundary element method, and the eddy current controller is designed to shield the stray field from the magnetic deflection yoke, The stray field from the deflection yoke, which induces an eddy current on the electron gun and brings about the convergence error on the screen among the red, green and blue beams, is approximated as saw type field and Fourier transformed to be used as an incident field in the analysis, The boundary element formulation is achieved by using the (jw) method. By comparing the shielding effects of the eddy current controller as increasing the length of the controller, it is shown that the eddy current controller can be designed optimally.
引用
收藏
页码：1800 / 1803
页数：4
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