5 MHU热容量CT球管的研究  

Research on 5 MHU CT Tubes

作　　者：王瑞海[1] 龚海华[1] 吕向英[1] 孙小田 WANG Rui-hai;GONG Hai-hua;LV Xiang-ying;SUN Xiao-tian(Beijing Vacuum Electronics Research Institute,Beijing 100015,China)

机构地区：[1]北京真空电子技术研究所,北京100015

出　　处：《真空电子技术》2021年第2期73-77,共5页Vacuum Electronics

基　　金：国家重点研发计划“数字诊疗装备研发”重点专项(编号:2016YFC0104504);北京市科技计划“医药创新品种研发培育及产业支撑平台能力建设”项目(编号:Z191100007619031)。

摘　　要：介绍了5 MHU CT球管的研制,包括研制目标、研制过程、研制成果等,重点阐述了研制过程中的技术难点,包括精密电子枪设计、旋转阳极靶结构、超高速旋转系统动平衡设计等,并基于此进行了大量的仿真计算,最终制成样管,通过样管实际测试结果证明了此研制方案的正确性。The research objective, process and results of 5 MHU CT tubes are introduced, and the technical difficulties including the design of precision electron gun, rotating anode target structure and the dynamic balance of ultra-high speed rotation system are described. On this basis, a lot of simulations are carried out and the CT tubes are developed. The practical test results prove the correctness of the design scheme.

关 键 词：CT球管 精密电子枪 旋转阳极靶 仿真 

分 类 号：TN14[电子电信—物理电子学]