Wiping out the coffee-ring effect advances inkjet printing of electronic circuits

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Examples of printed line behaviors from inkjet printers: (a) individual drops (b) scalloped (c) uniform (d) bulging and (e) stacked coins. Credit: Courtesy of the American Chemical Society
Examples of printed line behaviors from inkjet printers: (a) individual drops, (b) scalloped, (c) uniform, (d) bulging, and (e) stacked coins. Credit: Courtesy of the American Chemical Society

Researchers in California report a key advance in efforts to use inkjet printing technology in the manufacture of a new generation of low cost, high-performance electronic circuits for flexible video displays and other products. Their study, which describes development of a new method for producing straighter, uniform circuits using inkjet-printing, is scheduled for the March 4 issue of ACS’ Langmuir.


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