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    • 3. 发明申请
    • Lead-free and arsenic-free niobium phosphate optical glass
    • 无铅和无砷铌磷酸盐光学玻璃
    • US20070042891A1
    • 2007-02-22
    • US11504794
    • 2006-08-15
    • Simone RitterUte WoelfelStefanie Hansen
    • Simone RitterUte WoelfelStefanie Hansen
    • C03C3/16C03C3/21
    • 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 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, 0-7; 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 <= N <= 1.95,阿贝数为19 <= V < 转化温度<= 595℃,优选<= 550℃,良好的结晶稳定性,良好的加工性能和生产性能。 光学玻璃具有P 2 O 5,14-31的组成(以氧化物含量的重量%计)。 Nb 2 O 5,22-50; B 2 O 3,5-36; WO 3,10-25; GeO 2,0-14; Li 2 O,0-6; K 2 O,0-6; Cs 2 O,0-7; MgO,0-6; CaO,0-6; SrO,0-6; BaO,0-6; ZnO,0-6; TiO 2,0-4; Sigma碱金属氧化物,2-12; Sigma碱土氧化物,0-10; Sigma Nb 2 O 5,WO 3,Bi 2 O 3,N 3,N 3, 50和澄清剂,0-2。
    • 6. 发明授权
    • Glass with high proportion of zirconium-oxide and its uses
    • 具有高比例氧化锆的玻璃及其用途
    • US06630420B1
    • 2003-10-07
    • US09913424
    • 2002-01-16
    • Karin NaumannNorbert Greulich-HickmannUwe KolbergWerner KieferSimone Ritter
    • Karin NaumannNorbert Greulich-HickmannUwe KolbergWerner KieferSimone Ritter
    • C03C3087
    • C03C3/087C03C13/002
    • The silicate glass has a composition (in % by weight, based on oxide) of SiO2, 54-72; Al2O3, 0.5-7; ZrO2, 10-20; B2O3, 0- 5-24; La2O3, 0-5; and TiO2, 0-4. The glass also contains at least 0.6 percent by weight of La2O3 or at least 0.1 percent by weight TiO2. The glass has a hydrolytic resistance in hydrolytic glass 1, an acid resistance in acid class 3 or better, preferably acid class 1, a caustic lye resistance in lye class 1, a glass transition temperature (Tg) of at least 650° C., a thermal expansion coefficient (&agr;20/300) of 4.1×10−6 to 7.4×10−6/K, a refractive index (nd) of 1.53 to 1.63, an Abbé number (&ngr;d) of 48 to 58 and a negative anomalous partial dispersion in a blue spectral region (&Dgr;Pg,F) of up to −0.0130.
    • 硅酸盐玻璃具有SiO 2,54-72的组成(按重量计,基于氧化物); Al2O3,0.5-7; ZrO2,10-20; B2O3,0- <5; Na2O,3-8; K2O,0-5; 与Na2O + K2O,2- <8; CaO,3-11; MgO,0-10; SrO,0-8; BaO,0α10; CaO + MgO + SrO + BaO> 5〜24; La2O3,0-5; 和TiO2,0-4。 该玻璃还含有至少0.6重量%的La 2 O 3或至少0.1重量%的TiO 2。 该玻璃在水解玻璃1中具有耐水解性,酸3级或更好,优选酸1级,碱液碱度1的耐碱碱液,玻璃化转变温度(Tg)至少为650℃, 4.1×10 -6至7.4×10 -6 / K的热膨胀系数(α20/ 300),折射率(nd)为1.53至1.63,Abbé数(nud)为48至58,负的 蓝色光谱区域中的异常部分色散(DeltaPg,F)高达-0.0130。
    • 10. 发明授权
    • Highly refractive and highly transparent optical glass
    • 高折射和高度透明的光学玻璃
    • US08476177B2
    • 2013-07-02
    • US12958540
    • 2010-12-02
    • Simone RitterUte WoelfelStefanie Hansen
    • Simone RitterUte WoelfelStefanie Hansen
    • C03C3/155C03C3/15C03C3/068
    • C03C3/155G02B1/00
    • The optical glass has a refractive index nd of 1.945≦nd≦1.97, an Abbe number νd of 33≦νd≦36, and a composition with the following components in amounts expressed in % of their cations, with respect to the total number of cations in the composition: B3+, 35-46; La3+, 25-35; Ta5+, 6-14; W6+, 6-13; Zr4+, 1-7; Gd3+, 0-5; Nb5+, 0-4; Y+3, 0-4; Ba2+, 0-2; Σ alkaline earth metal cations, 0-2, Σ La3++Ta3++W6++Zr4++Gd3++Nb5++Y3+≧50; and at least one fining agent, 0-0.3. Also a ratio of B3+ to La+3 is 1.1 to 1.6 and a ratio of B3+ to Σ Si+4+B3+ is ≧0.5. The glass is free of lead, arsenic, Ti4+, Th4+, Zn2+, F−, and Hf+4.
    • 光学玻璃的折射率nd为1.945 @ nd @ 1.97,阿贝数nud为33 @ nud @ 36,组成为以阳离子的%表示的量的以下组分,相对于阳离子总数 组成:B3 +,35-46; La3 +,25-35; Ta5 +,6-14; W6 +,6-13; Zr4 +,1-7; Gd3 +,0-5; Nb5 +,0-4; Y + 3,0-4; Ba2 +,0-2; Sigma碱土金属阳离子,0-2,Sigma La3 ++ Ta3 ++ W6 ++ Zr4 ++ Gd3 ++ Nb5 ++ Y3 +> = 50; 和至少一种澄清剂,0-0.3。 B3 +与La + 3的比例也为1.1〜1.6,B3 +与Sigma Si + 4 + B3 +的比例> 0.5。 玻璃不含铅,砷,Ti4 +,Th4 +,Zn2 +,F-和Hf +4。