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Proceedings Article

Surface energy patterning for inkjet printing in device fabrication

[+] Author Affiliations
Jian Lin, Per Dahlsten, Mika Linden, Ronald Österbacka

Åbo Akademi Univ. (Finland)

Jussi Pekkanen, Matti Mäntysalo

Tampere Univ. of Technology (Finland)

Proc. SPIE 7417, Organic Field-Effect Transistors VIII, 74171D (August 20, 2009); doi:10.1117/12.825856
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From Conference Volume 7417

  • Organic Field-Effect Transistors VIII
  • Zhenan Bao; Iain McCulloch
  • San Diego, CA | August 02, 2009

abstract

For application of device fabrication by inkjet printing, an accurate and high resolution patterning method is required. However, high resolution inkjet printing, which limited by the inkjet nozzles and the ink movements, is one of the most challenging issues at present. An enhanced control of ink flow and spread by surface energy patterning on substrates can be used to improve the resolution and quality of the inkjet printed devices. Our strategy is depositing a hydrophobic pattern on a hydrophilic substrate, and thereafter inkjet printing the functional ink on top of the surface energy pattern. High surface energy contrast patterns on polyimide were got by microcontact printing, which can make ink moving from hydrophobic area to hydrophilic polyimide substrate. Inkjet printed silver patterns with 15 μm thin gaps were obtained by the surface energy pattern. This visible and easy processing pattern can be used widely in inkjet printing for higher resolution, more precise pattern, and smaller devices.

© (2009) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Jian Lin ; Per Dahlsten ; Jussi Pekkanen ; Mika Linden ; Matti Mäntysalo, et al.
"Surface energy patterning for inkjet printing in device fabrication", Proc. SPIE 7417, Organic Field-Effect Transistors VIII, 74171D (August 20, 2009); doi:10.1117/12.825856; http://dx.doi.org/10.1117/12.825856


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