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    • 4. 发明授权
    • Gas discharge lamp
    • 气体放电灯
    • US06744204B2
    • 2004-06-01
    • US10140546
    • 2002-05-07
    • Wilhelm Albert GroenPetra HuppertzKnuth AlbertsenBernd Rausenberger
    • Wilhelm Albert GroenPetra HuppertzKnuth AlbertsenBernd Rausenberger
    • H01J1704
    • H01J61/06H01J65/046
    • A gas discharge lamp with at least one capacitive coupling structure (2, 3) is described, which lamp has the particular characteristic that the coupling structure (2, 3) comprises a ceramic material which comprises pure BaTiO3. In particular an additional doping of at least part of the BaTiO3 with barium leads to a material whose Curie temperature and saturation polarization are substantially higher and whose coercitive field strength is substantially smaller, so that a gas discharge lamp with a coupling structure manufactured from this material can be operated at substantially higher temperatures and at a lower operating voltage. Various dopings of the BaTiO3 with titanium, manganese, and lead are furthermore described.
    • 描述了具有至少一个电容耦合结构(2,3)的气体放电灯,该灯具有特殊的特征,即耦合结构(2,3)包括包含纯BaTiO 3的陶瓷材料。 特别地,BaTiO 3与钡的至少一部分的额外掺杂导致其居里温度和饱和极化明显更高并且其矫顽磁场强度显着更小的材料,使得具有由该材料制成的耦合结构的气体放电灯 可以在较高的温度和较低的工作电压下工作。 还描述了BaTiO 3与钛,锰和铅的各种掺杂。
    • 7. 发明授权
    • Multilayer capacitor comprising a dielectric of modified barium
strontium titanate
    • 包含改性钛酸钡锶电介质的多层电容器
    • US5790367A
    • 1998-08-04
    • US762891
    • 1996-12-10
    • Dieter MateikaPetra HuppertzKnuth AlbertsenOliver Steigelmann
    • Dieter MateikaPetra HuppertzKnuth AlbertsenOliver Steigelmann
    • C04B35/46C04B35/465H01B3/12H01G4/12H01G4/06
    • C04B35/465H01B3/12H01G4/1227
    • A capacitor having a ceramic dielectric and at least two electrodes, the ceramic dielectric being predominantly composed of a dielectric, ceramic composition having a main component of BaTiO.sub.3 and/or �Ba.sub.1-y Sr.sub.y !Ti.sub.x O.sub.31 z, wherein 0.95.ltoreq.x.ltoreq.0.995, 0.ltoreq.y.ltoreq.0.04, z=2(1-x), and having at least an additive of the group formed by XMnO.sub.3, X.sub.2 MoO.sub.6, X.sub.2 WO.sub.6, X.sub.2 SiO.sub.5 +Mn.sub.2 SiO.sub.4 and Li.sub.2 SiO.sub.3 +Mn.sub.2 SiO.sub.4, and at least an additive of the group formed by Li.sub.2 SiO.sub.3, SiO.sub.2 and a mixture of 6 mol % Li.sub.2 O, 13 mol % BaO, 13 mol % SrO, 13 mol % MgO and 55 mol % SiO.sub.2, which is calcined at 800.degree. C., and, if necessary, an additive of the group formed by XInO.sub.3, XGaO.sub.3 and XAlO.sub.3, wherein X is one or more elements of the group formed by Y, Dy and Er, is characterized by a flat .DELTA.C/.DELTA.t curve and a stable dielectric behavior on exposure to temperature and voltage influences.
    • 一种具有陶瓷电介质和至少两个电极的电容器,所述陶瓷电介质主要由具有主要成分为BaTiO 3和/或[Ba1-ySry] TixO31z的电介质陶瓷组合物组成,其中0.95 < 0.995,0≤y≤0.04,z = 2(1-x),并且至少具有由XMnO3,X2MoO6,X2WO6,X2SiO5 + Mn2SiO4和Li2SiO3 + Mn2SiO4形成的基团的添加剂,并且至少具有 由Li2SiO3,SiO2和6mol%Li2O,13mol%BaO,13mol%SrO,13mol%MgO和55mol%SiO 2的混合物形成的基团的添加剂,其在800℃下煅烧,如果 必需的是由XInO 3,XGaO 3和XAlO 3形成的基团的添加剂,其中X是由Y,Dy和Er形成的基团中的一个或多个元素,其特征在于平坦的DELTA C / DELTA t曲线和稳定的介电行为 暴露于温度和电压的影响。