| 申请日期 | 2025-06-25 | 申请号 | KR1020157019675 |
| 公开（公告）号 | KR101638488B1 | 公开（公告）日 | 2016-07-05 |
| 公开国别 | KR | 申请人省市代码 | 全国 |
| 申请人 | 니폰 덴키 가라스 가부시키가이샤 | ||
| 简介 | Provided is a high refractive index glass, comprising, as a glass composition in terms of mass %, 0.1 to 60% of SiO2+Al2O3+B2O3, having a mass ratio (BaO+La2O3+Nb2O5+TiO2+ZrO2)/(SiO2+Al2O3+B2O3) of 0.1 to 50, amass ratio (MgO+CaO+SrO+BaO)/(BaO+La2O3+Nb2O5+TiO2+ZrO2) of 0 to 10, and a mass ratio (TiO2+ZrO2)/(BaO+La2O3+Nb2O5) of 0.001 to 40, and having a refractive index nd of 1.55 to 2.3. | ||
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