电子器件2025，Vol.48Issue(6)：1201-1205,5.DOI:10.3969/j.issn.1005-9490.2025.06.001
锥形绝缘子在电子枪中的应用
Application of Conical Insulators in Electron Guns
摘要
Abstract
As a core component of vacuum electronic devices such as klystrons and traveling wave tubes,the electron gun faces a critical limitation in its high-voltage performance due to the issue of surface flashover across the insulator.Through electric field simulation and electron trajectory analysis,the causes of surface flashover in traditional cylindrical insulators are investigated.A segmented conical in-sulator is studied and designed,which utilizes the normal electric field on the conical surface to repel electrons away from the insulator,thereby avoiding secondary electron multiplication caused by electron bombardment.The design helps to increase the surface flashover voltage.This study provides a theoretical basis and engineering reference for the insulation design of high-voltage electron guns.关键词
电子枪/绝缘子/沿面闪络/锥形绝缘子/二次电子发射Key words
electron gun/insulator/surface flashover/conical insulator/secondary electron emission分类
信息技术与安全科学引用本文复制引用
CHEN Zhaofu,CHU Kairong,WANG Jiasong,RU Jiaran,SHEN Changsheng,FAN Hehong,BAI Ningfeng,SUN Xiaohan..锥形绝缘子在电子枪中的应用[J].电子器件,2025,48(6):1201-1205,5.基金项目
中国电子科技集团公司第十二研究所稳定支持研究经费资助项目 （）
