US Patent 7365038 Glasses for flat panel displays

Patent 7365038 was granted and assigned to Corning Incorporated on April, 2008 by the United States Patent and Trademark Office.

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Patent Inventor Names

Adam J. G. Ellison0

George B. Hares0

Jeffrey T. Kohli0

Josef C. Lapp0

Lisa C. Chacon0

Robert Morena0

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Patent abstract

Glasses are disclosed which are used to produce substrates in flat panel display devices. The glasses exhibit a density less than about 2.45 gm/cm3 and a liquidus viscosity greater than about 200,000 poises, the glass consisting essentially of the following composition, expressed in terms of mol percent on an oxide basis: 65–75 SiO2, 7–13 Al2O3, 5–15 B2O3, 0–3 MgO, 5–15 CaO, 0–5 SrO, and essentially free of BaO. The glasses also exhibit a strain point exceeding 650° C.

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