| 摘要 |
A reinforced glass according to the present invention is a reinforced glass having a compression stress layer on the surface thereof, and is characterized by having a glass composition containing, in mol%, 50 to 80% of SiO2, 5 to 30% of Al2O3, 0 to 2% of Li2O, 5 to 25% of Na2O and not substantially containing As2O3, Sb2O3, PbO or F. |
