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High-Viscosity Electronic Materials Printing Using Ultrasonic Inkjet System

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The nozzle-less structure of the ultrasonic inkjet system is advantageous leading to printability of inks of a wide range of viscosities without clogging. In the ultrasonic inkjet head, dot placement accuracy of high-viscosity ink was as same as that of standard viscosity ink. The shape of meniscus changes as the viscosity increases. Using the printability of high-viscosity inks, the ultrasonic inkjet printing was applied for LED packaging by depositing silicone resin and fabrication of solution-processed organic thin-film transistors by printing high-viscosity organic conducting ink, PEDOT:PSS.

Document Type: Research Article

Publication date: 2007-01-01

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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