Drops-on-drops micro-film formation by stable electrostatic jets

Kazuyuki Tada, Masato Nishiura, Noritaka Hara, Kiyohito Maruo, Nozomi Yoshida, Hiroyuki Kawamoto

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2 Citations (Scopus)

    Abstract

    Applying micro spray state of electrostatic inkjet to precision film coating was examined experimentally. High quality coating could be expected by drops-on-drops of super fine and mono-diameter droplets. At first, the most preferable jetting condition was determined through experiments for two types of coating liquid, one of which was dilute dispersion and the other was viscous solution. Then, with those parameters examined, the surface quality of the coated films was evaluated through several coating tests. Along increasing applied voltage, jetting mode was varied from Mode I, dripping mode, to Mode 2, jetting mode. The basics of jetting mode variation was equivalent for both types of coating liquid, although a larger nozzle had to be used for the viscous solution to avoid clogging. The most favorable condition for coating was the stable cone-jet mode in Mode 2, where a well-oriented thread was jetted from the stable Taylor cone at the nozzle tip and broken up into mist during flight. Both types of quality coating, a submicron film with the dilute dispersion and a thick film, over 10 micrometers, with the viscous liquid could be demonstrated by piling up the single-digit-micron-size droplets.

    Original languageEnglish
    Title of host publicationInternational Conference on Digital Printing Technologies
    Pages390-393
    Number of pages4
    Publication statusPublished - 2009
    EventNIP25: 25th International Conference on Digital Printing Technologies and Digital Fabrication 2009 - Louisville, KY
    Duration: 2009 Sep 202009 Sep 24

    Other

    OtherNIP25: 25th International Conference on Digital Printing Technologies and Digital Fabrication 2009
    CityLouisville, KY
    Period09/9/2009/9/24

    Fingerprint

    Electrostatics
    Coatings
    Cones
    Nozzles
    Liquids
    Fog
    Thick films
    Piles
    Surface properties
    Electric potential
    Experiments

    ASJC Scopus subject areas

    • Media Technology
    • Computer Science Applications

    Cite this

    Tada, K., Nishiura, M., Hara, N., Maruo, K., Yoshida, N., & Kawamoto, H. (2009). Drops-on-drops micro-film formation by stable electrostatic jets. In International Conference on Digital Printing Technologies (pp. 390-393)

    Drops-on-drops micro-film formation by stable electrostatic jets. / Tada, Kazuyuki; Nishiura, Masato; Hara, Noritaka; Maruo, Kiyohito; Yoshida, Nozomi; Kawamoto, Hiroyuki.

    International Conference on Digital Printing Technologies. 2009. p. 390-393.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Tada, K, Nishiura, M, Hara, N, Maruo, K, Yoshida, N & Kawamoto, H 2009, Drops-on-drops micro-film formation by stable electrostatic jets. in International Conference on Digital Printing Technologies. pp. 390-393, NIP25: 25th International Conference on Digital Printing Technologies and Digital Fabrication 2009, Louisville, KY, 09/9/20.
    Tada K, Nishiura M, Hara N, Maruo K, Yoshida N, Kawamoto H. Drops-on-drops micro-film formation by stable electrostatic jets. In International Conference on Digital Printing Technologies. 2009. p. 390-393
    Tada, Kazuyuki ; Nishiura, Masato ; Hara, Noritaka ; Maruo, Kiyohito ; Yoshida, Nozomi ; Kawamoto, Hiroyuki. / Drops-on-drops micro-film formation by stable electrostatic jets. International Conference on Digital Printing Technologies. 2009. pp. 390-393
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