| 发明名称 |
Li2O-Al2O3-SiO2 TYPE TRANSPARENT CRYSTALLIZED GLASS |
| 摘要 |
In an Li2O-Al2O3-SiO2 transparent crystallized glass with beta -quartz solid solution precipitated as main crystals, the Li<+> concentration ratio an at a position of 50nm from the surface of the glass is equal to 0.80 or less where the Li<+> concentration at a position of 2000nm from the surface is supposed to be equal to 1. <IMAGE> |
| 申请公布号 |
EP1026129(A4) |
申请公布日期 |
2004.11.10 |
| 申请号 |
EP19990957053 |
申请日期 |
1999.06.17 |
| 申请人 |
NIPPON ELECTRIC GLASS CO., LTD |
发明人 |
YAMADA, HIROYUKI;SAKAMOTO, AKIHIKO |
| 分类号 |
G03F7/16;C03B27/012;C03B32/02;C03C10/00;C03C10/12;C03C10/14;F23M11/04 |
主分类号 |
G03F7/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
