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Method for masking selected regions of a substrate

United States Patent

May 4, 2010
View the Complete Patent at the US Patent & Trademark Office
Described herein is a method for providing a clean edge at the interface of a portion of a substrate coated with a coating system and an adjacent portion of the substrate which is uncoated. The method includes the step of forming a zone of non-adherence on the substrate portion which is to be uncoated, prior to application of the coating system. The zone of non-adherence is adjacent the interface, so that the coating system will not adhere to the zone of non-adherence, but will adhere to the portion of the substrate which is to be coated with the coating system.
Fusaro, Jr.; Robert Anthony (Cobleskill, NY), Bethel; Timothy Francis (Ballston Lake, NY)
General Electric Company (Niskayuna, NY)
10/ 409,523
April 8, 2003
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT This invention was made with Government support under contract number DE-FC21-95MC3 1176 awarded by U.S. Department of Energy (DOE). The Government has certain rights in the invention.