From the working mechanism of oxide coatedcathode, the appearing abnormal phenomenon when the oxide coatedcathode 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。
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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.
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.