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.

Document Type: Research Article

Publication date: January 1, 2013

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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