用于HIRFL-CSR电子冷却器的长寿命氧化物阴极

2020 IEEE 21st International Conference on Vacuum Electronics (IVEC) Pub Date : 2020-10-19 DOI:10.1109/IVEC45766.2020.9520454

Xiaoxia Wang, Shui Zhang, Xingqi Wang, Qinglan Zhao, Yun Li

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引用次数: 1

摘要

本文讨论了一种用于HIRFL-CSR电子冷却器的氧化物阴极的特性，包括直流发射电流密度的测量和阴极的寿命。结果表明，该阴极在700^{\circ}C和800^{\circ}C$时具有良好的发射均匀性，发射均匀性为0.5 A/cm^{2}，实际使用寿命超过25000小时。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Long Lifetime Oxide Cathode for HIRFL-CSR Electron Cooler

In this paper the characteristic of a type of oxide cathode for HIRFL-CSR electron cooler is discussed, which includes the measurement of the DC emission current density and the lifetime of the cathode. The results show that the cathode has good emission uniformity with $0.5 A/cm^{2} at 700^{\circ}C \sim 800^{\circ}C$ and its actual service lifetime is over 25000 hours.

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2020 IEEE 21st International Conference on Vacuum Electronics (IVEC)

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