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Improvement of Piezoelectric Ink Jet Printhead For Higher Throughput.

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A prototype of monolithic piezoelectric line ink jet printhead, which has 108 mm print width, was proposed at NIP21 by one of the authors. It enables variable volume drop ejection at 20 kHz frequency from 2,656 nozzles arranged in 108mm x 16.8mm area. And it achieved 600 dpi x 600 dpi single pass printing at 847 mm/s. Then, its' highest drive frequency was raised up to 24 kHz for faster printing (reported at NIP 23).Again, it is raised further up to 30 kHz by modifying ink viscosity as well as channel design. The latest model enables 600 dpi single pass printing at 1,269 mm/s with variable drop volumes between 5 and 12 pl. The drop velocity trend against firing frequency becomes more consistent up to 30 kHz. Also, drop deviation is improved for better image quality by modification with nozzle plane.
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Document Type: Research Article

Publication date: 01 January 2009

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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