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Flow coating apparatus and method of coating

United States Patent

March 11, 2014
View the Complete Patent at the US Patent & Trademark Office
Disclosed is a flow coating apparatus, comprising a slot that can dispense a coating material in an approximately uniform manner along a distribution blade that increases uniformity by means of surface tension and transfers the uniform flow of coating material onto an inclined substrate such as for example glass, solar panels, windows or part of an electronic display. Also disclosed is a method of flow coating a substrate using the apparatus such that the substrate is positioned correctly relative to the distribution blade, a pre-wetting step is completed where both the blade and substrate are completed wetted with a pre-wet solution prior to dispensing of the coating material onto the distribution blade from the slot and hence onto the substrate. Thereafter the substrate is removed from the distribution blade and allowed to dry, thereby forming a coating.
Hanumanthu; Ramasubrahmaniam (San Jose, CA), Neyman; Patrick (San Jose, CA), MacDonald; Niles (San Jose, CA), Brophy; Brenor (San Jose, CA), Kopczynski; Kevin (Woodside, CA), Nair; Vinod (San Jose, CA)
Enki Technology, Inc. (San Jose, CA)
13/ 835,253
March 15, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under Contract DE-EE0006040 awarded by the U.S. Department of Energy. The government has certain rights in the invention.