Browsing by Author "NAGAO, Masayoshi"

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  • Multi-gated Field Emitters for a Micro-column 
    MIMURA, Hidenori; KOIKE, Akifumi; AOKI, Toru; NEO, Yoichiro; YOSHIDA, Tomoya; NAGAO, Masayoshi (Technical University of Moldova, 2011)
    We have developed a multi-gated field emitter (FE) such as a quadruple-gated FE with a three-stacked electrode lens and a quintuple-gated FE with a four-stacked electrode lens. Both the FEs can focus the electron beam. ...
  • Novel Microcolumn Using a Multi-gated Field Emitter 
    MIMURA, Hidenori; NEO, Yoichiro; AOKI, Toru; YOSHIDA, Tomoya; NAGAO, Masayoshi (Tehnica UTM, 2013)
    Recently, our group has developed four- and fivegated field emitter arrays (FEAs) with an electrostatic lens (einzel lens).1, 2) The five-gated FEA has successfully realized a crossover of the electron beam without any ...

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