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Methodology for Inkjet Printing Partially Wetting Films

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Inkjet printing is widely used as a technique for the fabrication of printed electronic devices. Here we present an analytic treatment of the inkjet printing of two dimensional features with a partially wetting ink. We develop and demonstrate an algorithm for generating variable line spacings that leads to printed features superior to those possible at any fixed spacing. By modeling printed bead shape during the print and by compensating for evaporation, we are able to accurately control a feature's contact angle as it is printed, line-by-line. Finally, we model the maximum corner curvature possible in an equilibrium, partially wetting feature with a positive retreating contact angle and confirm our results with a non-volatile printed system.

Document Type: Research Article

Publication date: January 1, 2010

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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