Novel inkjet printing system and formation mechanism of PdO nanofilms for field-emission imaging devices

Hiroyasu Kondo, Tsuyoshi Sato, Junsei Yamabe, Hiroyasu Ishikawa

研究成果: Article査読

1 被引用数 (Scopus)

抄録

We have developed a new inkjet printing system with high landing accuracy of ink droplets, and high uniformity of the width and profile of films for PdO nanofilm emitters in large-area field-emission imaging devices. The inkjet system has a temperature- and humidity-controlling unit and a vacuum chamber. The ink droplets can be printed with high accuracy in a high-humidity-environment. The droplets of the ink used in this study were pinned during a vacuum drying process and transformed into elliptical ringlike Pd precursor films. Next, the films were dissolved and transformed into droplets by humidification. The droplets were then dried again with various evaporation rates. As a result, the Pd precursor films were transformed into films with a nearly flat surface having the same in-plane size as the droplets. After annealing, PdO nanofilms with 80 ± 5 μm width and 4.4 ± 0.7 nm thickness having the same uniform profiles were obtained.

本文言語English
論文番号325106
ジャーナルJournal of Physics D: Applied Physics
50
32
DOI
出版ステータスPublished - 2017 7月 21

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 音響学および超音波学
  • 表面、皮膜および薄膜

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