| 申请日期 | 2025-07-07 | 申请号 | CA2519729 |
| 公开（公告）号 | CA2519729A1 | 公开（公告）日 | 2006-03-29 |
| 公开国别 | CA | 申请人省市代码 | 全国 |
| 申请人 | SCHOTT AG | ||
| 简介 | The invention discloses a glass and a glass-ceramic which at least include the constituents SiO2, Al2O3 and Y2O3 and is pref- erably doped with rare earth ions. The weight ratio between the weight of Y2O3 and the total weight of SiO2, Al2O3 and Y2O3 is at least 0.2, preferably at least 0.4 or more. The rare earth ions can preferably be incorporated in crystal phases with a high yttrium content which are precipitated from the glass. | ||
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