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Parallel Software Design Enabling High-Speed Reliability Testing of Inkjet Printheads

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With new functional applications emerging in the digital printing industry, the need for quantitative knowledge of the reliability of drop-on-demand inkjet printheads increases. Continuous ink circulation using TF Technology™ and the resulting channel self-recovery is one of the technologies which decrease the down-time of a single nozzle, but in turn increase the difficulty of an accurate reliability test. Current measuring techniques, namely the a-posteriori verification of printouts on paper proved to be inappropriate.

This paper proposes a novel software approach, exploiting signal processing techniques, strong control loops and powerful system design methodologies in order to allow for the correct detection of single missing droplets at run-time. This new system is meant to relieve the effects of the indefinite environment and sources of human error. Preliminary results and the proof-of-concept demonstrates both the system's and the design method's versatility and potential.
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Document Type: Research Article

Publication date: 2013-01-01

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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