发明名称 Electron beam device
摘要 An electron beam device comprising an electron source having an electron-emitting device, a member to be irradiated with an electron beam disposed opposite to the electron source, and an electrically conductive spacer disposed between the electron source and the member to be irradiated with the electron beam, is characterized in that an electrode is disposed along an end portion of the spacer on the electron source side, and the electrode is disposed inside a region of a surface of the end portion of the spacer which is directed toward the electron source side.
申请公布号 US6534911(B1) 申请公布日期 2003.03.18
申请号 US20000722702 申请日期 2000.11.28
申请人 CANON KABUSHIKI KAISHA 发明人 ANDO YOICHI
分类号 H01J29/02;H01J29/86;H01J31/12;(IPC1-7):H01J1/62 主分类号 H01J29/02
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