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Category International Proceeding
Paper Title Spreading and Drying Mechanism for Inkjet Printing of High-Resolution Patterns Embedded in Flexible Substrates
Conference name LOPE-C 2012
Author Chang-Min Keum, Min-Hoi Kim, Sin-Doo Lee, Jinbo Shim, Yu-Jin Na, Ioannis Kymissis
Paper code Place
page 335 Year/date 2012/06/19
Acknowledgements This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2011-0028422)
Abstract We report on a drop-on-demand (DOD) inkjet printing approach. directed by the topography with grooves and ridges on an elastomeric substrate, to the production of embedded conductive lines with the high feature resolution and the pattern fidelity. The underlying mechanism for the spreading and drying of ink droplets in the topographic compartments can be understood in the two-dimensional parameter space of the aspect ratio of the geometric pattern and the contact angle of the ink on the substrate. The ink morphology in such parameter space provides at least a first principle of the DOD inkjet printing.

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