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. ...