Electrostatic Inkjet Phenomena in Pin-to-Plate Discharge System

Hiroyuki Kawamoto, Kenji Arai, Ryuta Koizumi

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

    1 Citation (Scopus)

    Abstract

    A preliminary investigation was conducted on electrostatic inkjet phenomena. High voltage was applied between an insulative capillary tube filled with ion-conductive water and a metal plate electrode. Inkjet phenomenon was observed at the dark discharge under conditions of appropriate voltage application and water level. Although the electrostatic attractive Coulomb force is small, in the order of 10 μN at the voltage lower than the corona onset, it is large enough to separate a water drop against surface tension to the capillary tube at certain conditions. The diameter of the drop was about one millimeter. At the beginning of corona discharge, however, water mist was dispersed at wide angle from the tip of the tube due to the Coulomb repulsive force of charged mist. When the applied voltage was further increased, water mist became to be dispersed like spray, because the ionic wind prevented the separation and spread of the droplet. Application of adjusted pulse voltage can form a droplet of which formation is synchronized with the pulse. The diameter of the droplet depended on the applied voltage and the tube diameter. The droplet volume was in the order of several hundred picoliters. Preliminary printing on a paper was also demonstrated. This phenomenon is expected to be utilized for a new Inkjet print head.

    Original languageEnglish
    Title of host publicationInternational Conference on Digital Printing Technologies
    Pages359-364
    Number of pages6
    Publication statusPublished - 2003
    EventFinal Program and Proceedings of IS and T's NIP 19: International Conference on Digital Printing Technologies - New Orleans, LA
    Duration: 2003 Sep 282003 Oct 3

    Other

    OtherFinal Program and Proceedings of IS and T's NIP 19: International Conference on Digital Printing Technologies
    CityNew Orleans, LA
    Period03/9/2803/10/3

    Fingerprint

    Electrostatics
    Electric potential
    Fog
    Capillary tubes
    Water
    Plate metal
    Water levels
    Surface tension
    Printing
    Electrodes
    Ions

    ASJC Scopus subject areas

    • Media Technology

    Cite this

    Kawamoto, H., Arai, K., & Koizumi, R. (2003). Electrostatic Inkjet Phenomena in Pin-to-Plate Discharge System. In International Conference on Digital Printing Technologies (pp. 359-364)

    Electrostatic Inkjet Phenomena in Pin-to-Plate Discharge System. / Kawamoto, Hiroyuki; Arai, Kenji; Koizumi, Ryuta.

    International Conference on Digital Printing Technologies. 2003. p. 359-364.

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

    Kawamoto, H, Arai, K & Koizumi, R 2003, Electrostatic Inkjet Phenomena in Pin-to-Plate Discharge System. in International Conference on Digital Printing Technologies. pp. 359-364, Final Program and Proceedings of IS and T's NIP 19: International Conference on Digital Printing Technologies, New Orleans, LA, 03/9/28.
    Kawamoto H, Arai K, Koizumi R. Electrostatic Inkjet Phenomena in Pin-to-Plate Discharge System. In International Conference on Digital Printing Technologies. 2003. p. 359-364
    Kawamoto, Hiroyuki ; Arai, Kenji ; Koizumi, Ryuta. / Electrostatic Inkjet Phenomena in Pin-to-Plate Discharge System. International Conference on Digital Printing Technologies. 2003. pp. 359-364
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