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    • 5. 发明授权
    • Dielectric ceramic composition
    • 介电陶瓷组合物
    • US5801112A
    • 1998-09-01
    • US874390
    • 1997-06-13
    • Yoshihiro OkawaTatsuji Furuse
    • Yoshihiro OkawaTatsuji Furuse
    • C04B35/468C04B35/47
    • C04B35/468C04B35/47
    • A dielectric ceramic composition being characterized in that the composition contains at least Ba and Ti as metal elements, and when the formula of the composition in accordance with the mole ratios of these elements is represented by BaO.xTiO.sub.2, the composition contains the main ingredient determined by x satisfying the relationship of 3.9.ltoreq.x.ltoreq.4.1, and 0.01 to 7 weight parts of Cu in terms of CuO, and, if necessary, 20 or less weight parts of Zn in terms of ZnO with respect to 100 weight parts of the main ingredient, whereby the dielectric coefficient can have a value in the range of 30 to 42, and Qf can have a value of 40000 GHz or more, the temperature coefficient .pi..sub.f of the resonance frequency can have a value in the range of -15 to +15 ppm/.degree.C., and the temperature drift .DELTA..pi..sub.f of the temperature coefficient .pi..sub.f of the resonance frequency can have a value in the range of -2 to +2 ppm/.degree.C.
    • 一种电介质陶瓷组合物,其特征在于该组合物至少含有Ba和Ti作为金属元素,并且当根据这些元素的摩尔比的组合物的配方由BaO·xTiO 2表示时,该组合物含有主要成分 x满足3.9
    • 8. 发明授权
    • Optical glass
    • 光学玻璃
    • US07572747B2
    • 2009-08-11
    • US12238725
    • 2008-09-26
    • Alexis G. ClareTatsuji FuruseMatthew Hall
    • Alexis G. ClareTatsuji FuruseMatthew Hall
    • C03C3/068C03C3/15C03C3/23
    • C03C3/068
    • An optical glass consisting essentially of B2O3 in an amount of 10-40 wt %, SiO2 in an amount less than or equal to 5 wt %, ZnO in an amount less than or equal to 15 wt %, SrO in an amount less than or equal to 9 wt %, ZrO2 in an amount less than or equal to 9 wt %, La2O3 in an amount of 15 to 45 wt %, BaF2 in an amount of 1 to 10 wt %, BaO in an amount less than or equal to 5 wt %, HfO2 in an amount of 0.1 to 7.5 wt %, Gd2O3 in an amount less than or equal to 16 wt %, CaO in an amount less than or equal to 7 wt %, ZrF4 in an amount less than or equal to 5 wt %, Na2O in an amount less than or equal to 2 wt % and Y2O3 in an amount less than or equal to 16 wt %. The optical glass has a glass transition temperature in a range of 500-670° C. and a refractive index (nd) in a range of 1.60 to 2.00.
    • 基本上由10-40重量%的B 2 O 3,少于或等于5重量%的SiO 2,少于或等于15重量%的ZnO组成的光学玻璃,SrO的量小于或等于15重量% 等于9重量%,ZrO 2的量小于或等于9重量%,La 2 O 3的量为15至45重量%,BaF 2的量为1至10重量%,BaO的量小于或等于 5重量%,HfO 2为0.1〜7.5重量%,Gd 2 O 3为少于16重量%,CaO为7重量%以下,ZrF 4的含量小于或等于 5重量%,小于或等于2重量%的Na 2 O和小于或等于16重量%的Y 2 O 3。 光学玻璃的玻璃化转变温度在500-670℃的范围内,折射率(nd)在1.60-2.00的范围内。
    • 10. 发明申请
    • OPTICAL GLASS
    • 光学玻璃
    • US20090111677A1
    • 2009-04-30
    • US12238725
    • 2008-09-26
    • Alexis G. ClareTatsuji FuruseMatthew Hall
    • Alexis G. ClareTatsuji FuruseMatthew Hall
    • C03C3/068
    • C03C3/068
    • An optical glass consisting essentially of B2O3 in an amount of 10-40 wt %, SiO2 in an amount less than or equal to 5 wt %, ZnO in an amount less than or equal to 15 wt %, SrO in an amount less than or equal to 9 wt %, ZrO2 in an amount less than or equal to 9 wt %, La2O3 in an amount of 15 to 45 wt %, BaF2 in an amount of 1 to 10 wt %, BaO in an amount less than or equal to 5 wt %, HfO2 in an amount of 0.1 to 7.5 wt %, Gd2O3 in an amount less than or equal to 16 wt %, CaO in an amount less than or equal to 7 wt %, ZrF4 in an amount less than or equal to 5 wt %, Na2O in an amount less than or equal to 2 wt % and Y2O3 in an amount less than or equal to 16 wt %. The optical glass has a glass transition temperature in a range of 500-670° C. and a refractive index (nd) in a range of 1.60 to 2.00.
    • 基本上由10-40重量%的B 2 O 3,少于或等于5重量%的SiO 2,少于或等于15重量%的ZnO组成的光学玻璃,SrO的量小于或等于15重量% 等于9重量%,ZrO 2的量小于或等于9重量%,La 2 O 3的量为15至45重量%,BaF 2的量为1至10重量%,BaO的量小于或等于 5重量%,HfO 2为0.1〜7.5重量%,Gd 2 O 3为少于16重量%,CaO为7重量%以下,ZrF 4的含量小于或等于 5重量%,小于或等于2重量%的Na 2 O和小于或等于16重量%的Y 2 O 3。 光学玻璃的玻璃化转变温度在500-670℃的范围内,折射率(nd)在1.60-2.00的范围内。