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Development of 16 Nozzle Electrohydrodynamic Inkjet Printing Head

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A micromachined electrohydrodynamic inkjet printing head has been fabricated out of glass wafer and stable patterning of uniform fine lines has been realized.

We applied a sandblasting process on a glass wafer to fabricate tiny nozzles with a inner diameter of 60 microns and outer diameter of 100 microns. We observed a continuous cone jet mode at a DC bias voltage of 2 kV. Line patterns are printed with black carbon ink and the line width about 25 microns are achieved without any special surface treatment. The thickness of printed line was several hundred nanometers, which is much larger than that from conventional inkjet printing systems. Drop on demand printing up to 3 kHz was demonstrated also by applying pulse signals on a nozzle. Silver particle inks are also printed well and continuous line patterns are fabricated.
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Document Type: Research Article

Publication date: 2013-01-01

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  • 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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