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    • 1. 发明专利
    • Optical glasses
    • 光学玻璃
    • JP2010202508A
    • 2010-09-16
    • JP2010042675
    • 2010-02-26
    • Schott Agショット アクチエンゲゼルシャフトSchott AG
    • MENNEMANN KARLWOLFF SILKEKOLBERG UWELIFKA THOMASWOELFEL UTE
    • C03C3/068G02B1/00
    • C03C3/068
    • PROBLEM TO BE SOLVED: To provide preferably lead- and arsenic-free optical glasses suitable for the application fields of imaging, projection, sensors, microscopy, medical technology, digital projection, photolithography, laser technology, wafer/chip technology, and for telecommunication, optical communications engineering and optics/lighting in the automotive sector, having a refractive index of 1.83≤n d ≤1.95 and an Abbe number of 24≤ν d ≤35 with good chemical resistance and excellent crystallization stability. SOLUTION: The optical glass comprises the following composition (in mass% based on oxide): SiO 2 2-8, B 2 O 3 15-22, La 2 O 3 35-42, ZnO 10-18, TiO 2 9-15, ZrO 2 3-10, Nb 2 O 5 4-10, and WO 3 >0.5-3. Besides a maximum GeO 2 , Ag 2 O and BaO proportion of 5 mass% each, as well as the conventional fining agents, they may additionally contain up to at most in total 5 mass% of the oxides (Al 2 O 3 , MgO, CaO, SrO, P 2 O 5 ) and up to at most in total 5 mass% of the components (F, Ta 2 O 5 ). The glasses are preferably free of alkali metal oxides and Bi 2 O 3 , as well as Y 2 O 3 , Gd 2 O 3 , and/or Yb 2 O 3 . COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供适用于成像,投影,传感器,显微镜,医疗技术,数字投影,光刻,激光技术,晶片/芯片技术和应用领域的应用领域的优选无铅和无砷的光学眼镜和 用于汽车行业的电信,光通信工程和光学/照明,其折射率为1.83≤n d ≤1.95,阿贝数为24≤v 35具有良好的耐化学性和优异的结晶稳定性。 光学玻璃包括以下组成(以氧化物为基准的质量%):SiO 2 SBB 2-8,B 2 SB> 15-22,La 2 35-42,ZnO 10-18,TiO 2 SB 3〜9,ZrO SB 2 3-10,Nb 2 5 4-10,WO SB 3≤3/ 3。 除了最大的GeO 2 ,Ag 2 O和BaO的比例为5质量%,以及常规的澄清剂,它们还可以另外含有最多至多 5质量%的氧化物(Al 2 O 3,MgO,CaO,SrO,P 2 5 )和最多至多总计5质量%的组分(F,Ta O 5 )。 玻璃优选不含碱金属氧化物和不饱和化合物,以及Y 2 SB 3 O 3 / SB 3。 ,Gd >,or or or or or or or or or or or。。。。。。。。。。。。。。。。。。。。。。。。。。。 版权所有(C)2010,JPO&INPIT
    • 2. 发明专利
    • Lead-free and arsenic-free optical lanthanum flint glass
    • 无铅和无光泽的光学蓝绿色玻璃
    • JP2005239544A
    • 2005-09-08
    • JP2005050626
    • 2005-02-25
    • Schott Agショット アーゲーSchott AG
    • WOLFF SILKEMENNEMANN KARLWOELFEL UTE
    • C03C3/066C03C3/068
    • C03C3/068Y10S501/903
    • PROBLEM TO BE SOLVED: To provide glass having no defects characteristic of the conventional glass, having excellent transmissibility and a high refractive index in which variation is reduced, and also having low specific gravity.
      SOLUTION: The lead-free and arsenic-free optical lanthanum flint glass having a refractive index satisfying 1.73n
      d ≤1.82 and an Abbe's number satisfying 43≤v
      d ≤53, and also having satisfactory chemical resistance and stability to crystallization is produced with the composition of, by weight, 0.1 to 5.5% SiO
      2 , 27 to 35% B
      2 O
      3 , 42 to 48% La
      2 O
      3 . 0 to 5% BaO, 0.5 to 5% ZnO, 6 to 12% Y
      2 O
      3 , 0 to 4% TiO
      2 , 4 to 10% ZrO
      2 , 0 to 5% Nb
      2 O
      5 and 0 to 5% WO
      3 .
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供没有传统玻璃缺陷特性的玻璃,具有优异的透射性和高折射率,其变化减小,并且还具有低比重。 解决方案:折射率满足1.73n ≤1.82且阿贝数满足43≤v d 的无铅和无砷光学镧火石玻璃, ≤53,并且具有令人满意的耐化学性和结晶稳定性的产生,其组成为:重量比为0.1-5.5%的SiO 2 ,27-35%B 2 42至48%的La SB 2 O 3 / SB。 0〜5%的BaO,0.5〜5%的ZnO,6〜12%的Y 2 SB 3,0〜4%的TiO 2 SB 2,4 至10%ZrO 2 SB 2,0至5%的Nb 2 SB 3和5至5%的WO 3 SB 3。 版权所有(C)2005,JPO&NCIPI