Micro field emitter with nano-pillarets formed by reactive ion etching of photoresist

Akiyoshi Baba, Tomoya Yoshida, Tanemasa Asano

研究成果: Contribution to journalArticle

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We investigate the feasibility of nano-pillarets prepared by reactive ion etching (RIE) with oxygen gas of a photoresist material for application to a field electron emitter. Auger electron spectroscopy (AES) of the photoresist film before and after the RIE was carried out to investigate the formation mechanism of the nano-pillarets. The results strongly indicated that iron particles deposited on the photoresist surface from the reaction chamber contribute to the nano-pillaret formation. Fabrication of a gated cold cathode using the nano-pillarets as an electron emitter is demonstrated using a self-alignment technique. Field electron characteristics of the nano-pillaret cathode were measured using a triode configuration with a phosphor screen as a collector electrode. It was found that the turn-on voltage of the emitter was 50V and emission current of the order of 10-6 A was obtained at the gate voltage of 100 V.

元の言語英語
ページ(範囲)4054-4058
ページ数5
ジャーナルJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
42
発行部数6 B
DOI
出版物ステータス出版済み - 6 2003

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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