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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.

Document Type: Research Article

Publication date: January 1, 2011

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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