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    • 62. 发明申请
    • OPTICAL GLASS
    • 光学玻璃
    • US20100041539A1
    • 2010-02-18
    • US12604030
    • 2009-10-22
    • Atsushi NagaokaJie FuMichiko Ogino
    • Atsushi NagaokaJie FuMichiko Ogino
    • C03C3/097C03C3/095C03C3/089C03C3/064C03C3/068C03C3/066
    • C03C3/064C03C3/066C03C3/068C03C3/14
    • An optical glass is provided that includes a refractive index (nd) of no less than 1.75 and an Abbe number (vd) of no less than 10 as optical constants. A Bi2O3 content is no less than 10% by weight to no more than 80% by weight. The content of SiO2 is lower than the content of B2O3. The total content of SiO2+B2O3 is from no less than 1% by weight to no more than 60% by weight. The content of RO is from no less than 0.1% by weight to no more than 50% by weight. R represents one or more elements selected from the group consisting of Zn, Ba, Sr, Ca, and Mg. The optical glass has at least one of the properties of being substantially free from opacification and/or being substantially devitrified within the glass body under the conditions of a reheating testing.
    • 提供了包括不小于1.75的折射率(nd)和不小于10的阿贝数(vd)作为光学常数的光学玻璃。 Bi 2 O 3含量不小于10重量%至不大于80重量%。 SiO2的含量低于B2O3的含量。 SiO 2 + B 2 O 3的总含量为不小于1重量%至不超过60重量%。 RO的含量为不小于0.1重量%至不超过50重量%。 R表示选自Zn,Ba,Sr,Ca和Mg中的一种或多种元素。 在再加热试验的条件下,光学玻璃具有基本上没有不透明和/或在玻璃体内基本上失透的性质中的至少一种。
    • 63. 发明申请
    • Optical glass containing Bismuth Oxide
    • 含有氧化铋的光学玻璃
    • US20090069166A1
    • 2009-03-12
    • US11918714
    • 2006-04-27
    • Jie Fu
    • Jie Fu
    • C03C3/253C01G29/00C03C3/089C03C3/16C03C3/15C03C3/155C03C3/145C03C3/066C03C3/064
    • C03C3/14C03C3/062C03C3/064C03C3/066C03C3/068
    • Optical glass having a refractive index (nd) of 1.85 or greater, and an Abbe number (νd) falling within the range of 10 to 30, which is suited for molding by precision mold press is provided. The optical glass is characterized by including B2O3+SiO2 in an amount of 3 to 60%, Bi2O3 in an amount of 25 to 80%, RO+Rn2O in an amount of 5 to 60% (wherein R represents one or more selected from a group consisting of Zn, Ba, Sr, Ca, and Mg; and Rn represents one or more selected from a group consisting of Li, Na, K, and Cs), with each component in the range expressed in oxide-based mole percentage, and is characterized in that transparency in the visible region is high, and that the transition point (Tg) is 480° C. or lower. The optical glass is characterized by having a spectral transmittance of 70% or greater at a wavelength of 600 nm for a thickness of 10 mm.
    • 提供折射率(nd)为1.85以上,阿贝数(nud)在10〜30的范围内的适合于精密模压成型的光学玻璃。 光学玻璃的特征在于,含有3〜60%的B 2 O 3 + SiO 2,25〜80%的Bi 2 O 3,5〜60%的RO + Rn 2 O(其中R表示选自 由Zn,Ba,Sr,Ca和Mg组成的组; Rn表示选自Li,Na,K和Cs中的一种或多种),各组分的范围以氧化物基摩尔百分数表示, 其特征在于可视区域的透明度高,转变点(Tg)为480℃以下。 光学玻璃的特征在于在600nm的波长下的光谱透射率为70%以上,厚度为10mm。
    • 64. 发明申请
    • Optical glass containing bismuth oxide
    • 含氧化铋的光学玻璃
    • US20090069165A1
    • 2009-03-12
    • US11918713
    • 2006-04-27
    • Jie Fu
    • Jie Fu
    • C03C3/253C01G29/00C03C3/089C03C3/12C03C3/16C03C3/064C03C3/066
    • C03C3/14C03C3/064C03C3/066C03C3/068
    • Optical glass having a refractive index (nd) of 1.75 or greater, and an Abbe number (νd) falling within the range of 15 to 40, which is suitable for molding by precision mold press is provided. The optical glass is characterized by including B2O3+SiO2 in an amount of 10 to 70%, Bi2O3 in an amount of 5% or more and less than 25%, RO+Rn2O in an amount of 5 to 60% (wherein R represents one or more selected from a group consisting of Zn, Ba, Sr, Ca, and Mg; and Rn represents one or more selected from a group consisting of Li, Na, K, and Cs), with each component in the range expressed in oxide-based mole, and is characterized in that transparency in the visible region is high, and that the transition point (Tg) is 520° C. or lower. The optical glass is characterized by having a spectral transmittance of 70% or greater at a wavelength of 550 nm, for a thickness of 10 mm.
    • 提供折射率(nd)为1.75以上,阿贝数(nud)在15〜40的范围内的适合于精密模压成型的光学玻璃。 光学玻璃的特征在于,含有10〜70%的B 2 O 3 + SiO 2,5〜60%的量的5%以上且小于25%的Bi 2 O 3,其中R表示1 或更多选自Zn,Ba,Sr,Ca和Mg; Rn表示选自Li,Na,K和Cs中的一种或多种),其中各成分在氧化物中表示 的特征在于可见区域的透明度高,转变点(Tg)为520℃以下。 光学玻璃的特征在于在550nm的波长下的光谱透射率为70%以上,厚度为10mm。
    • 66. 发明申请
    • Optical glass
    • 光学玻璃
    • US20070054794A1
    • 2007-03-08
    • US11514109
    • 2006-09-01
    • Atsushi NagaokaJie FuMichiko Ogino
    • Atsushi NagaokaJie FuMichiko Ogino
    • C03C3/089C03C3/064
    • C03C3/064C03C3/066C03C3/068C03C3/14
    • The present invention provides optical glasses containing Bi2O3 in which the optical glasses have at least one of the properties of being substantially free from opacification and being substantially devitrified within the glass body during reheating steps in production processes, superior chemical durability, and free from black coloring. The optical glass has a refractive index (nd) of no less than 1.75 and an Abbe number (νd) of no less than 10 as optical constants. The optical glass contains Bi2O3 in a content from no less than 10% by weight to less than 90% by weight, and has at least one of the properties of being substantially free from opacification and being substantially devitrified within the glass body under the conditions of a reheating test (a).
    • 本发明提供了含有Bi 2 O 3 3的光学玻璃,其中光学玻璃具有基本上没有不透明并且在玻璃中基本上失透的性质中的至少一种 在生产过程中的再加热步骤期间,具有优异的化学耐久性,并且不受黑色着色。 光学玻璃具有不小于1.75的折射率(n SUB)和不小于10的阿贝数(nu d)作为光学常数。 光学玻璃含有不少于10重量%至小于90重量%的含量的Bi 2 O 3 O 3,并且具有至少一种性质 在再加热试验(a)的条件下基本上没有混浊并在玻璃体内基本上失透。