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Development of Inkjet Monitoring System via Piezo Self-Sensing

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Inkjet technology has recently emerged as one of the most powerful patterning tools for electronic devices. To be a reliable patterning tool, the jetting status of the inkjet dispenser needs to be monitored to immediately detect any malfunction. We present a low cost and high speed monitoring module to monitor the jetting condition of a piezo-driven multi-nozzle inkjet head. The developed self-sensing method can detect non-jetting conditions as well as poor jetting conditions such as jetting speed reduction and poor jet strightness. We are testing the long term reliability of the proposed monitoring techniques by comparing the self-sensing signal and vision droplet image.
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Document Type: Research Article

Publication date: 2011-01-01

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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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