大功率脉冲磁控管镍海绵阴极性能研究  

Research on Nickel Matrix Cathode Used in High Power Pulse Magnetrons

作　　者：李彦宾[1] 聂洋洋 LI Yan-bin;NIE Yang-yang(Beijing Vacuum Electronic Research Institute,Beijing 100015,China)

机构地区：[1]北京真空电子技术研究所

出　　处：《真空电子技术》2019年第4期33-35,40,共4页Vacuum Electronics

摘　　要：本文的研究对象是一种大功率脉冲磁控管使用的镍海绵阴极,文中依据大功率脉冲磁控管对海绵层性能的要求,针对现有阴极镍海绵层存在的问题,从电流发射机理、工作特性、海绵层制备过程等方面进行分析研究,制定技术方案,最终解决了长期以来悬而未决的相关问题,达到研究目的。A nickel matrix cathode used in high power pulsed magnetrons is studied.According to the requirement of high power pulsed magnetron for the performance of matrix layer and considering the existing problems of nickel matrix layer of the cathode,the current emission mechanism,the working characteristics and the preparation process of matrix layer are analyzed.The corresponding technology scheme is formulated,which solves the related problems and achieves the research objectives.

关 键 词：大功率脉冲磁控管 镍海绵阴极 

分 类 号：TN123[电子电信—物理电子学]