Li2O-Al2O3-SiO2 CRYSTALLIZABLE GLASS AND Li2O-AI2O3-SiO2 CRYSTALLIZED GLASS OBTAINED BY CRYSTALLIZING SAME
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United States of America Patent
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Issued Date -
Aug 29, 2013
app pub date -
Nov 4, 2011
filing date -
Nov 18, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a Li2O—Al2O3—SiO2-based crystallizable glass characterized by comprising, as a glass composition in terms of mass %, 55 to 75% of SiO2, 19 to 24% of Al2O3, 3 to 4% of Li2O, 1.5 to 2.8% of TiO2, 3.8 to 4.8% of TiO2+ZrO2, and 0.1 to 0.5% of SnO2, and satisfying a relationship of 4≦Li2O+0.741MgO+0.367ZnO≦4.5.
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