| 发明名称 |
GLASS SHEET |
| 摘要 |
An object of the present invention is to provide a glass sheet in which warpage after chemical strengthening can be effectively suppressed and also polishing treatment or the like before chemical strengthening can be omitted or simplified. Thus, the present invention provides a glass sheet in which a surface Na2O amount in one surface thereof is lower than the surface Na2O amount in the other surface by 0.38% by mass to 1.2% by mass. |
| 申请公布号 |
US2016200623(A1) |
申请公布日期 |
2016.07.14 |
| 申请号 |
US201615076716 |
申请日期 |
2016.03.22 |
| 申请人 |
Asahi Glass Company, Limited |
发明人 |
IKAWA Nobuaki;KATO Ryosuke;YAMANAKA Kazuhiko |
| 分类号 |
C03C3/087;C03C3/085;C03C21/00 |
主分类号 |
C03C3/087 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A glass sheet containing 4 mol % or more of Al2O3, wherein a surface Na2O amount in one surface thereof is lower than the surface Na2O amount in the other surface by 0.38% by mass to 1.2% by mass. |
| 地址 |
Chiyoda-ku JP |
