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High resolution printing of charge

United States Patent

June 16, 2015
View the Complete Patent at the US Patent & Trademark Office
Provided are methods of printing a pattern of charge on a substrate surface, such as by electrohydrodynamic (e-jet) printing. The methods relate to providing a nozzle containing a printable fluid, providing a substrate having a substrate surface and generating from the nozzle an ejected printable fluid containing net charge. The ejected printable fluid containing net charge is directed to the substrate surface, wherein the net charge does not substantially degrade and the net charge retained on the substrate surface. Also provided are functional devices made by any of the disclosed methods.
Rogers; John (Champaign, IL), Park; Jang-Ung (Ulsan Metropolitan, KR)
The Board of Trustees of the University of Illinois (Urbana, IL)
12/ 947,120
November 16, 2010
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under DMI-0328162 awarded by the National Science Foundation and DE-ACO2-06CH11357 awarded by the U.S. Department of Energy. The government has certain rights in the invention.