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    • 5. 发明申请
    • METHOD AND SYSTEM FOR PRODUCING GLASS, IN WHICH CHEMICAL REDUCTION OF GLASS COMPONENTS IS AVOIDED
    • 用于生产玻璃的方法和系统,其中避免了玻璃组分的化学还原
    • US20100242543A1
    • 2010-09-30
    • US12813652
    • 2010-06-11
    • Simone Monika RitterSilke Wolff
    • Simone Monika RitterSilke Wolff
    • C03B5/18C03B17/00
    • C03C3/00C03B5/021C03B5/027C03B5/193C03B2211/70
    • In the apparatus for producing glass reduction of reduction-sensitive components in the glass melt is reduced or preferably is prevented during the melting and/or fining processes by introducing an oxidizing agent into the glass melt. The apparatus has a melt crucible, a fining vessel, and a device for conducting oxygen and/or ozone into the glass melt in the melt crucible and/or fining vessel, in order to suppress reduction of reduction-sensitive components of the glass melt. A preferred embodiment of the apparatus has a metallic skull crucible, which includes the melt crucible and/or the fining vessel. The apparatus preferably includes a homogenization unit connected to the fining vessel to receive glass melt from the fining vessel in order to further process the glass melt after refining.
    • 在玻璃熔体中通过将氧化剂引入玻璃熔体中而在熔融和/或澄清过程中减少或优选地防止玻璃熔体中的还原敏感组分的玻璃还原装置。 该装置具有熔融坩埚,澄清容器和用于在熔融坩埚和/或澄清容器中将玻璃熔体中的氧气和/或臭氧导入玻璃熔体的装置,以便抑制玻璃熔体的还原敏感组分的还原。 该装置的优选实施例具有金属颅骨坩埚,其包括熔化坩埚和/或澄清容器。 该装置优选地包括连接到澄清容器的均化单元以从澄清容器接收玻璃熔体,以便在精炼之后进一步处理玻璃熔体。
    • 6. 发明授权
    • Lead and arsenic free optical lanthanum borate glass
    • 铅和砷无光镧硼酸镧玻璃
    • US07638450B2
    • 2009-12-29
    • US11412673
    • 2006-04-27
    • Simone Monika RitterUte WoelfelStefanie Hansen
    • Simone Monika RitterUte WoelfelStefanie Hansen
    • C03C3/066
    • C03C3/068
    • The lead-free, fluorine-free and arsenic-free optical glass, which is useful in mapping, projection, telecommunication, optical communication engineering, and mobile drive and laser technology, has a refractive index of 1.75≦nd≦1.83, an Abbe number of 34≦Vd≦44, and Tg≦560° C. The glass is free of WO3 and TeO2and has a composition in percent by weight based on oxide content of: SiO2, 0.5-8; B2O3, 10-25; ZnO, 10-22; La2O3, 23-34; Ta2O5, >15-25; Nb2O5, 0.5-15; Al2O3, 0-2; and can include optional ingredients, e.g. alkali and/or alkaline-earth oxides. In addition, a sum of B2O3 and ZnO is 33 to 41% by weight and preferably a sum of La2O3+Ta2O5+Nb2O5+Y2O3+ZrO2 is greater than 50% by weight.
    • 无铅,无氟,无砷的光学玻璃,其在映射,投影,电信,光通信工程,移动驱动和激光技术中有用,折射率为1.75 <= nd <= 1.83,a 阿贝数34 <= Vd <= 44,Tg <= 560℃。玻璃不含WO 3和TeO 2,并且具有基于氧化物含量的重量百分数:SiO 2,0.5-8; B2O3,10-25; ZnO,10-22; La2O3,23-34; Ta2O5,> 15-25; Nb2O5,0.5-15; Al2O3,0-2; 并且可以包括任选的成分,例如 碱和/或碱土氧化物。 此外,B 2 O 3和ZnO的总和为33〜41重量%,优选La 2 O 3 + Ta 2 O 5 + Nb 2 O 5 + Y 2 O 3 + ZrO 2的总和为50重量%以下。
    • 8. 发明授权
    • Lead-free and arsenic-free niobium phosphate optical glass
    • 无铅和无砷铌磷酸盐光学玻璃
    • US07553785B2
    • 2009-06-30
    • US11504794
    • 2006-08-15
    • Simone Monika RitterUte WoelfelStefanie Hansen
    • Simone Monika RitterUte WoelfelStefanie Hansen
    • C03C3/253C03C3/16C03C3/21
    • C03C3/253
    • The lead-free, arsenic-free, preferably gadolinium-free and fluorine-free, optical glass has a refractive index of 1.86≦nd≦1.95, an Abbe number of 19≦vd≦24, a transformation temperature of ≦595° C., preferably ≦550° C., good crystallization stability, good processing properties and production properties. The optical glass is free of Na2O, frre of B2O3 and has a composition (based on oxide content in % by weight) of P2O5, 14-31; Nb2O5, 22-50; Bi2O3, 5-36; WO3, >10-25; GeO2, 0-14; Li2O, 0-6; K2O, 0-6; Cs2O, 1-7; MgO, 0-6; CaO, 0-6; SrO, 0-6; BaO, 0-6; ZnO, 0-6; TiO2, 0-4; Σ alkali oxides, 2-12; Σ alkaline earth oxides, 0-10; Σ Nb2O5, WO3, Bi2O3≦50 and fining agents, 0-2.
    • 无铅,无砷,优选无钆和无氟的光学玻璃的折射率为1.86 <= nd <= 1.95,阿贝数为19 <= vd <= 24,转变温度< = 595℃,优选<= 550℃,良好的结晶稳定性,良好的加工性能和生产性能。 光学玻璃不含Na 2 O,B 2 O 3,并且具有P 2 O 5的组成(以氧化物含量的重量%计),14-31; Nb2O5,22-50; Bi2O3,5-36; WO3,> 10-25; GeO2,0-14; Li2O,0-6; K2O,0-6; Cs2O,1-7; MgO,0-6; CaO,0-6; SrO,0-6; BaO,0-6; ZnO,0-6; TiO2,0-4; Sigma碱金属氧化物,2-12; Sigma碱土氧化物,0-10; Sigma Nb2O5,WO3,Bi2O3 <= 50和澄清剂,0-2。