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公开(公告)号：US20080312063A1
公开(公告)日：2008-12-18
申请号：US12195496
申请日：2008-08-21
申请人： Hiroyuki OHKAWA , Jun Sasai , Naoki Sugimoto
发明人： Hiroyuki OHKAWA , Jun Sasai , Naoki Sugimoto
摘要： The present invention provides an optical glass including, by mass %: 46 to 70 of B2O3; 3 to 10 of Li2O; 5 to 15 of Y2O3; 0 to 46 of SiO2: 0 to 20 of Al2O3: 0 to 40 of MgO+CaO+SrO+BaO; 0 to 30 of La2O3; and 0 to 10 of ZrO2+TiO2+Gd2O3.
摘要翻译： 本发明提供一种光学玻璃，其包含质量％：46〜70的B 2 O 3; 3〜10的Li2O; 5〜15的Y2O3; 0〜46的SiO 2：0〜20的Al 2 O 3：0〜40的MgO + CaO + SrO + BaO; 0〜30的La2O3; 和0〜10的ZrO 2 + TiO 2 + Gd 2 O 3。
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公开(公告)号：US20100004112A1
公开(公告)日：2010-01-07
申请号：US12557943
申请日：2009-09-11
申请人： Hiroyuki OHKAWA , Naoki Sugimoto
发明人： Hiroyuki OHKAWA , Naoki Sugimoto
摘要： An object of the present invention is to provide an optical glass having optical constants of a refractive index of 1.70 to 1.89 and an Abbe number of 20 to 30 and being excellent in chemical durability. The invention relates to an optical glass containing P2O5: 10 to 30, Nb2O5: 25 to 50, B2O3: 0.1 to 30, BaO: 0.1 to 2, Li2O: 0 to 10, Na2O: 0.1 to 4, K2O: 0 to 10, Bi2O3: 1 to 20, GeO2: 0 to 14, TiO2: 0.1 to 5, and WO3: 1 to 14, in terms of % by mass.
摘要翻译： 本发明的目的在于提供一种折射率为1.70〜1.89，阿贝数为20〜30的光学常数，化学耐久性优异的光学玻璃。 本发明涉及含有P2O5：10〜30，Nb2O5：25〜50，B2O3：0.1〜30，BaO：0.1〜2，Li2O：0〜10，Na2O：0.1〜4，K2O：0〜 Bi 2 O 3：1〜20，GeO 2：0〜14，TiO 2：0.1〜5，WO 3：1〜14。
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公开(公告)号：US20120241697A1
公开(公告)日：2012-09-27
申请号：US13489740
申请日：2012-06-06
申请人： Hiroyuki OHKAWA , Yuki KONDO , Seiki OHARA , Yuuichi IIDA
发明人： Hiroyuki OHKAWA , Yuki KONDO , Seiki OHARA , Yuuichi IIDA
IPC分类号： G02B5/22
摘要： To provide a near infrared cut filter glass which can be used without defects, etc., since crystals hardly form in the glass, even in a case where heat treatment is conducted in a coating process carried out after glass forming or in a step of producing an imaging device using such glass.A near infrared cut filter glass, which comprises, as represented by cation percentage, 25 to 37% of P5+, 16.2 to 25% of Al3+, 0.5 to 40% of R+ (wherein R+ is a total content of Li+, Na+ and K+), 0.5 to 45% of R2+ (wherein R2+ is a total content of Mg2+, Ca2+, Sr2+, Ba2+ and Zn2+), 2 to 10% of Cu2+, and 0 to 1% of Sb3+, and comprising, as represented by anion percentage, 30 to 85% of O2−, and 15 to 70% of F−.
摘要翻译： 为了提供可以无缺陷等使用的近红外截止滤光玻璃，由于在玻璃中难以形成晶体，所以即使在玻璃成形后的涂布工序中进行热处理也可以在制造工序中 使用这种玻璃的成像装置。 一种近红外截止滤光玻璃，其阳离子百分含量为P5 + 25〜37％，Al3 +为16.2〜25％，R +为0.5〜40％（式中，R +为Li +，Na +，K +的总含量） ，R2 +的0.5〜45％（其中R2 +是Mg2 +，Ca2 +，Sr2 +，Ba2 +和Zn2 +的总含量），2〜10％的Cu2 +和0〜1％的Sb3 +，并且以阴离子百分比表示， 30-85％的O2-和15-70％的F-。
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