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Applied Physics A

, Volume 117, Issue 4, pp 2225–2234 | Cite as

Prediction of drop-on-demand (DOD) pattern size in pulse voltage-applied electrohydrodynamic (EHD) jet printing of Ag colloid ink

  • Jaehong Park
  • Beomsoo Kim
  • Sang-Yoon Kim
  • Jungho HwangEmail author
Article

Abstract

Drop-on-demand printing is receiving a great deal of interest in industrial applications; however, the desired pattern sizes are realized by trial and error, through repeated printing experiments with varied materials (ink and suspended particles), operating conditions (voltage, flow rate, nozzle-to-plate distance, etc.), and substrate wettability. Since this approach requires a great deal of time, cost, and effort, a more convenient and efficient method that will predict pattern sizes with a minimal number of experiments is needed. In this study, we patterned a series of Ag dots and lines using a pulsed voltage-applied electrohydrodynamic jet printing system and measured their sizes with an optical microscope. We then applied a model suggested by Stringer and Derby (J Eur Ceram Soc 29:913–918, 2009) and Gao and Sonin (Proc R Soc Lond Ser A 444:533–554, 1994) to predict the pattern sizes, comparing these predictions with the measured sizes. Finally, we demonstrated our methodology on disconnected line repairing.

Keywords

Contact Angle Duty Ratio Pattern Size Taylor Cone Droplet Spacing 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

This work was supported by BioNano Health-Guard Research Center funded by the ministry of Science, ICT and Future Planning (MSIP) of Korea as Global Frontier Project (Grant Number H-GUARD_2013M3A6B2078959).

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Jaehong Park
    • 1
  • Beomsoo Kim
    • 2
  • Sang-Yoon Kim
    • 1
  • Jungho Hwang
    • 1
    Email author
  1. 1.School of Mechanical EngineeringYonsei UniversitySeoulKorea
  2. 2.Production Engineering Research InstituteLG Electronics Inc.SeoulKorea

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