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Glass strengthening and patterning methods

United States Patent

January 27, 2015
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
High intensity plasma-arc heat sources, such as a plasma-arc lamp, are used to irradiate glass, glass ceramics and/or ceramic materials to strengthen the glass. The same high intensity plasma-arc heat source may also be used to form a permanent pattern on the glass surface--the pattern being raised above the glass surface and integral with the glass (formed of the same material) by use of, for example, a screen-printed ink composition having been irradiated by the heat source.
Harper; David C. (Kingston, TN), Wereszczak; Andrew A. (Oak Ridge, TN), Duty; Chad E. (Knoxville, TN)
UT-Battelle, LLC (Oak Ridge, TN)
12/ 957,202
November 30, 2010
ACKNOWLEDGMENT OF GOVERNMENT SUPPORT This invention was made with government support under DE-AC05-00OR22725 awarded by the Department of Energy. The government has certain rights in the invention.