Invention Grant
US3374389A Sole electrode of the crossed-field type of electron discharge device having a coating of refractory material thereon 失效
具有在其上的耐火材料涂层的交叉场型电子放电装置的唯一电极

  • Patent Title: Sole electrode of the crossed-field type of electron discharge device having a coating of refractory material thereon
  • Patent Title (中): 具有在其上的耐火材料涂层的交叉场型电子放电装置的唯一电极
  • Application No.: US38363464
    Application Date: 1964-07-20
  • Publication No.: US3374389A
    Publication Date: 1968-03-19
  • Inventor: PIERRE CAHOURWALTER SOBOTKA
  • Applicant: CSF
  • Assignee: Csf
  • Current Assignee: Csf
  • Priority: FR943878 1963-08-06
  • Main IPC: H01J23/00
  • IPC: H01J23/00 H01J25/42
Sole electrode of the crossed-field type of electron discharge device having a coating of refractory material thereon
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