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The evolution of oxide cathodes for cathode ray tube applications

机译:阴极射线管应用中氧化物阴极的演变

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The oxide cathode is probably the most widely used electron emitter in vacuum electronic devices and is still in use today. This paper reviews the evolution of the theories and technology of the oxide cathode from its origins in 1904 up to the present day. The paper illustrates how the theories have changed with advances in analytical techniques and how the performance of oxide cathodes has developed in response to the demands of the cathode ray tube (CRT) industry. By manipulation of the interface between the oxide coating and the cathode cap and by varying the composition of the coating itself, the oxide cathode has continued to evolve for over 100 years and remains the predominant technology in the cathode ray tube industry.
机译:氧化物阴极可能是真空电子设备中使用最广泛的电子发射器,并且至今仍在使用。本文回顾了从1904年起源到现在的氧化物阴极的理论和技术的发展。本文说明了理论如何随着分析技术的发展而改变,以及如何响应于阴极射线管(CRT)行业的需求而发展出氧化物阴极的性能。通过操纵氧化物涂层和阴极盖之间的界面并通过改变涂层本身的组成,氧化物阴极已经持续发展了100多年,并且仍然是阴极射线管工业中的主要技术。

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