真空电子技术Issue(5)：48-55,8.DOI:10.16540/j.cnki.cn11-2485/tn.2025.05.09
真空电子器件用热扩散阴极寿命研究
Review on Lifetime Study of Thermionic Dispenser Cathodes Applied in Vacuum Electronic Devices
李娜 1张珂1
作者信息
- 1. 北京真空电子技术研究所,北京 100015
- 折叠
摘要
Abstract
The study of cathode lifetime originates from the demand for long-life and high reliability cathodes in vacuum electronic devices.For decades,cathodes with different types,different current densities,and different working temperatures are systematically studied.Various viewpoints are proposed and corresponding lifespan mod-els are established.The process,methods,and models of lifetime study of thermal diffusion cathodes are reviewed,the changes and related mechanism of cathodes during the lifetime tests are summarized,and the significance and future research directions of cathode lifetime study are discussed in this paper.关键词
真空电子器件/热扩散阴极/寿命/模型Key words
Vacuum electronic devices/Thermionic dispenser cathode/Lifetime/Model分类
电子信息工程引用本文复制引用
李娜,张珂..真空电子器件用热扩散阴极寿命研究[J].真空电子技术,2025,(5):48-55,8.
