专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20100240516A1 OPTICAL GLASS AND PREFORMS FOR PRECISION PRESS MOLDING AND OPTICAL ELEMENTS MADE BY USING THE GLASS 有权
标题翻译：光学玻璃和玻璃制成的精密成型和光学元件的预处理
公开(公告)号：US20100240516A1
公开(公告)日：2010-09-23
申请号：US12791913
申请日：2010-06-02
申请人： Satoru Tomeno , Jun Sasai , Hiroyuki Ohkawa , Kenji Imakita , Yuki Kondo
发明人： Satoru Tomeno , Jun Sasai , Hiroyuki Ohkawa , Kenji Imakita , Yuki Kondo
IPC分类号： C03C3/068
CPC分类号： C03C3/068
摘要： An object of the invention is to provide an optical glass for precision press having optical properties of a high refractive index and a low dispersion property and having a low molding temperature, a high devitrification resistance, an excellent molding property, and a small specific gravity. The optical glass of the invention contains, in terms of % by mass on the basis of oxides, respective components of B2O3: 10 to 20%, SiO2: 0.5 to 12%, La2O3: 25 to 50%, Gd2O3: 0 to 20%, Y2O3: 0 to 20%, provided that La2O3+Gd2O3+Y2O3: 35 to 60%, ZnO: 5 to 20%, Li2O: 0.2 to 3%, ZrO2: 0 to 0.5%, Ta2O5: 3 to 18% and WO3: 3 to 20%, and has optical constants of a refractive index nd of 1.84 to 1.86 and an Abbe number vd of 37 to 42 and a glass transition point (Tg) of 630° C. or lower.
摘要翻译：本发明的目的是提供一种具有高折射率和低分散性的光学特性的精密压制用光学玻璃，具有低的成型温度，高的耐失透性，优异的成型性和小的比重。本发明的光学玻璃以氧化物为基准的质量％含有B 2 O 3：10〜20％，SiO 2 :0.5〜12％，La 2 O 3：25〜50％，Gd 2 O 3：0〜20％，Y2O3：0〜20％，条件是La2O3 + Gd2O3 + Y2O3：35〜60％，ZnO：5〜20％，Li2O：0.2〜3％，ZrO2：0〜0.5％，Ta2O5：3〜18％：3〜20％，折射率nd为1.84〜1.86，阿贝数vd为37〜42，玻璃化转变点（Tg）为630℃以下的光学常数。

2. 发明授权

US08377835B2 Optical glass 失效
标题翻译：光学玻璃
公开(公告)号：US08377835B2
公开(公告)日：2013-02-19
申请号：US12790141
申请日：2010-05-28
申请人： Satoru Tomeno , Yuki Kondo
发明人： Satoru Tomeno , Yuki Kondo
IPC分类号： C03C3/066
CPC分类号： C03C3/068
摘要： The present invention relates to an optical glass containing, in terms of mass % on the basis of oxides, B2O3: 10 to 20%, SiO2: 0.5 to 12%, ZnO: 5 to 19%, Ta2O5: 2.5 to 17%, Li2O: 0.2 to 3%, ZrO2: 0.6 to 4.9%, WO3: 1 to 20%, La2O3: 25 to 50%, Gd2O3: 0 to 13%, and Y2O3: 0.2 to 20%, provided that La2O3+Gd2O3+Y2O3 is 35 to 60%, in which the optical glass does not substantially contain Nb2O5, and has a refractive index (nd) of 1.82 to 1.86, an Abbe's number (νd) of 37 to 44 and a glass transition point (Tg) of 630° C. or lower.
摘要翻译：本发明涉及以氧化物为基准的质量％B 2 O 3：10〜20％，SiO 2：0.5〜12％，ZnO：5〜19％，Ta 2 O 5：2.5〜17％，Li 2 O ：0.2〜3％，ZrO 2：0.6〜4.9％，WO 3：1〜20％，La 2 O 3：25〜50％，Gd 2 O 3：0〜13％，Y 2 O 3：0.2〜20％ 35〜60％，其中光学玻璃基本上不含有Nb 2 O 5，折射率（nd）为1.82〜1.86，阿贝数（n n = d）为37〜44，玻璃化转变温度（Tg）为 630℃以下。

3. 发明授权

US08361916B2 Optical glass and preforms for precision press molding and optical elements made by using the glass 有权
标题翻译：用于精密压模的光学玻璃和预成型件以及使用玻璃制成的光学元件
公开(公告)号：US08361916B2
公开(公告)日：2013-01-29
申请号：US12791913
申请日：2010-06-02
申请人： Satoru Tomeno , Jun Sasai , Hiroyuki Ohkawa , Kenji Imakita , Yuki Kondo
发明人： Satoru Tomeno , Jun Sasai , Hiroyuki Ohkawa , Kenji Imakita , Yuki Kondo
IPC分类号： C03C3/068 , C03C3/066 , C03C3/155
CPC分类号： C03C3/068
摘要： An object of the invention is to provide an optical glass for precision press having optical properties of a high refractive index and a low dispersion property and having a low molding temperature, a high devitrification resistance, an excellent molding property, and a small specific gravity. The optical glass of the invention contains, in terms of % by mass on the basis of oxides, respective components of B2O3: 10 to 20%, SiO2: 0.5 to 12%, La2O3: 25 to 50%, Gd2O3: 0 to 20%, Y2O3: 0 to 20%, provided that La2O3+Gd2O3+Y2O3: 35 to 60%, ZnO: 5 to 20%, Li2O: 0.2 to 3%, ZrO2: 0 to 0.5%, Ta2O5: 3 to 18% and WO3: 3 to 20%, and has optical constants of a refractive index nd of 1.84 to 1.86 and an Abbe number vd of 37 to 42 and a glass transition point (Tg) of 630° C. or lower.
摘要翻译：本发明的目的是提供一种具有高折射率和低分散性的光学特性的精密压制用光学玻璃，具有低的成型温度，高的耐失透性，优异的成型性和小的比重。本发明的光学玻璃以氧化物为基准的质量％含有B 2 O 3：10〜20％，SiO 2 :0.5〜12％，La 2 O 3：25〜50％，Gd 2 O 3：0〜20％，Y2O3：0〜20％，条件是La2O3 + Gd2O3 + Y2O3：35〜60％，ZnO：5〜20％，Li2O：0.2〜3％，ZrO2：0〜0.5％，Ta2O5：3〜18％：3〜20％，折射率nd为1.84〜1.86，阿贝数vd为37〜42，玻璃化转变点（Tg）为630℃以下的光学常数。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式