Zirconia compatible, ion exchangeable glass with high damage resistance
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United States of America Patent
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Nov 21, 2017
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app pub date -
Jan 7, 2015
filing date -
May 31, 2012
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Abstract
An ion exchangeable glass having a high degree of resistance to damage caused by abrasion, scratching, indentation, and the like. The glass comprises alumina, B2O3, and alkali metal oxides, and contains boron cations having three-fold coordination. The glass, when ion exchanged, has a Vickers crack initiation threshold of at least 10 kilogram force (kgf).
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