Methods for Detecting Jetting Failures in Inkjet Dispensers

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Inkjet technology has recently emerged as one of the most powerful patterning tools for electronics devices. For inkjet technology 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 self-sensing circuit to detect failure of jetting by measuring electrical signal only. In addition, practical issues of inkjet condition monitoring for multi-nozzle printhead are discussed. Finally, software was developed and presented to demonstrate the feasibility of the proposed method for detecting jetting failures in printing systems.

Document Type: Research Article

Publication date: January 1, 2009

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  • 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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