From the working mechanism of oxide coated cathode, the appearing abnormal phenomenon when the oxide coated cathode is used in electron gun, and its eliminating methods are analyzed in this paper.
本文从氧化物阴极的工作机理出发，分析了氧化物阴极在使用时出现的异常现象和消除办法。
In 1895, Wilhelm Roentgen accidentally discovered that a cathode-ray tube could make a sheet of paper coated with barium platinocyanide glow, even when the tube and the paper were in separate rooms.
1895年，威廉·伦琴偶然发现阴极射线管能使涂有一层氰亚铂酸盐钡的薄相纸发光，甚至当阴极射线管和相纸分别放在不同的房间时也能发光。
People have used many methods to make the cathode, in recent years, the film-cathode method that coated with the films of other materials on the substr.
目前阴极的实现方案很多，其中在材料基底上敷膜的薄膜阴极的方法既可利用基底本身的物理、结构特性，又可利用膜材料的物理化学性能，是一种有效的提高阴极性能的方法。
People have used many methods to make the cathode, in recent years, the film-cathode method that coated with the films of other materials on the substr.
目前阴极的实现方案很多，其中在材料基底上敷膜的薄膜阴极的方法既可利用基底本身的物理、结构特性，又可利用膜材料的物理化学性能，是一种有效的提高阴极性能的方法。
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