Application Number 00129588 Application Date 2000.10.08 Publication Number 1347132 Publication Date 2002.05.01 Priority Information International Classification H01J23/26;H01J25/34 Applicant(s) Name Inst of Electronics, Chinese Academy of Sciences Address Inventor(s) Name Wang Zhicheng Patent Agency Code 11021 Patent Agent rong zhimin AbstractA full-metal spiral slow-wave structure of travelling-wave tube (TWT) Read more