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High Definition Ink-Jet Printing: A Study of a Printing Head Construction

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Abstract:

We have developed a novel ink-jet technology using electrostatic force. This innovative ink-jet technology features high-speed printing and little bleeding print dots on plain paper.

The print head comprises a metal pipe as both the means for supplying ink and for the electrode, and an “ink-guide” which is a dielectric film positioned inside of an opening of the pipe. This print head structure makes it possible to increase the toner density of the ink on the ink-guide to a greater extent than when supplying ink and to improve the efficiency of the ink drop ejection.

The ink contains positively or negatively charged colorants dispersed in a highly resistant solvent. This paper shows that the resistivity of the ink affects the toner density of the ejected ink droplet. This highly resistant ink produces little bleeding of print dots on plain paper.

Document Type: Research Article

Publication date: 1998-01-01

More about this publication?
  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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