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公开(公告)号:US20220246381A1
公开(公告)日:2022-08-04
申请号:US17583046
申请日:2022-01-24
申请人: THALES
发明人: Frédéric ANDRE
IPC分类号: H01J23/12 , H01J25/34 , H01J23/027 , H04B7/185
摘要: A travelling-wave tube comprising a helix joined by posts to a vacuum chamber, each post made of electrically insulating material being covered by an electrically conductive material, of electrical conductivity comprised between 1000 and 100000 S·m−1, over a portion of the post extending from the end of the post joined to the helix to the end of the post joined to the vacuum chamber and corresponding to a height comprised between 10% and 50% of the post.