7 MHU热容量液态金属轴承CT球管的研制  

Development of 7 MHU Heat Capacity Liquid Metal Bearing CT Tubes

作　　者：李旭 胡银富 LI Xu;HU Yin-fu(Beijing SmartBeam Technology Co.,Ltd.,Beijing 102600,China)

机构地区：[1]北京智束科技有限公司,北京102600

出　　处：《真空电子技术》2023年第6期34-39,共6页Vacuum Electronics

摘　　要：阐述了7 MHU液态金属轴承CT球管的研制过程及取得的相关成果,重点阐述了电子束聚焦、阳极靶盘热分析和液态金属轴承等核心组件的技术解决方案。样机测试结果表明,大、小焦点尺寸均优于标称最大尺寸,高功率老炼后阳极靶面没有明显打火点和焊料熔化现象,24 h测试中样机正常运转,轴承未出现异常,验证了核心组件技术方案的正确性。The development and test results of 7 MHU liquid metal bearing CT tubes are presented.The solutions for core components,including electron beam focusing,thermal analysis for anode target disk and design of liquid metal bearing are elaborated.The test of the prototype tube indicates that both the large and small focal spot sizes outperform the nominal maximum one.The anode target exhibits no noticeable arcing points or solder melting phenomenon in high power ageing.During 24-hour long-term testing,the prototype operates normally without any abnormalities in the bearing.These tests validate the correctness of the design solution for core components.

关 键 词：高热容量 球管性能参数 焦点尺寸 靶盘温度分布 液态金属轴承 

分 类 号：TN14[电子电信—物理电子学]