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    • 3. 发明授权
    • Optical glass and optical product using the same
    • 光学玻璃和光学产品使用相同
    • US06995101B2
    • 2006-02-07
    • US09893958
    • 2001-06-29
    • Xuelu ZouHiromasa TawarayamaKazutaka HayashiHiroshi Kawazoe
    • Xuelu ZouHiromasa TawarayamaKazutaka HayashiHiroshi Kawazoe
    • C03C3/21C03C3/19C03C13/02
    • C03C3/19C03C3/21
    • An optical glass having a high refractive index and high dispersion characteristics suitable for application to precision press molding to precisely mold final products without requiring grinding or polishing. An optical glass can be prepared exhibiting a refractive index in the range of from 1.75 to 2.0, and an Abbé number in the range of from 20 to 28.5. Optical parts comprised of this glass; press-molding materials comprised of this glass; methods of manufacturing the same; and methods of manufacturing molded glass products employing these materials. A suitable optical glass is composed of the following in molar percent: 15–30% P2O5; 0.5–15% B2O3; 5–25% Nb2O5; 6–40% WO3; 4–45% of at least one of Li2O, Na2O or K2O; 1–5% K2O; 2–9% TiO2; and 0–30% (excluding 30%) of at least one RO selected from among BaO, ZnO, and SrO; with the total content of the above-stated components being equal to or more than 95 percent.
    • 具有高折射率和高分散特性的光学玻璃,其适用于精密压模成型,以精确地模制最终产品而不需要研磨或抛光。 可以制备表现出1.75至2.0的折射率和20至28.5范围内的Abbé数的光学玻璃。 由该玻璃组成的光学部件; 由该玻璃组成的压制成型材料; 制造方法; 以及使用这些材料制造模制玻璃制品的方法。 合适的光学玻璃由以下摩尔百分比组成:15-30%的P 2 O 5; 0.5-15%B 2 O 3 3; 5-25%Nb 2 O 5; 6-40%WO 3; 4-20%的Li 2 O,Na 2 O或K 2 O 2中的至少一种的4-45% 1-5%K 2 O; 2-9%TiO 2; 和选自BaO,ZnO和SrO中的至少一种RO的0-30%(不包括30%); 上述组分的总含量等于或大于95%。