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Theoretical Study of Ultra-Large-Angle Deflection in Cathode Ray Tube Display
Pages: 272-276
Year: Issue:  4
Journal: Vacuum Science and Technology

Keyword:  偏转线圈 偏转角 枕形失真 光栅畸变 会聚误差;
Abstract: CRT具有颜色逼真、分辨率高、技术成熟等优点,为了克服其体积大、笨重的不足,增加电子束偏转角度已经成为CRT的发展趋势。本文对超大偏转角的偏转线圈进行了理论研究,优化了线圈绕线分布和校正磁铁位置,减小光栅畸变和会聚误差。最后本文得到超大偏转线圈工作特性的理论极限。该研究结果可为超大偏转角CRT的研发提供理论指导。
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