Piezoelectric ceramic composition and oscillator
    2.
    发明授权
    Piezoelectric ceramic composition and oscillator 有权
    压电陶瓷组合物和振荡器

    公开(公告)号:US07839060B2

    公开(公告)日:2010-11-23

    申请号:US12251030

    申请日:2008-10-14

    IPC分类号: H01L41/187

    CPC分类号: C04B35/493 H01L41/1876

    摘要: Provided is a piezoelectric ceramic composition which enables the attainment of sufficiently high Qmax and good temperature characteristics of oscillation frequency F0 when applied in an oscillator utilizing third harmonic mode of thickness longitudinal vibration. The piezoelectric ceramic composition contains a composite oxide having a perovskite structure. The composite oxide has a composition expressed by the chemical formula (1), while satisfying 0.91≦α≦1.00, 0

    摘要翻译: 提供一种压电陶瓷组合物,当应用于使用厚度纵向振动的三次谐波模式的振荡器中时,能够获得足够高的Qmax和振荡频率F0的良好温度特性。 压电陶瓷组合物含有具有钙钛矿结构的复合氧化物。 复合氧化物具有由化学式(1)表示的组成,同时满足0.91&nlE;α&nlE; 1.00,0 <&bgr;&lt; lE; 0.08,0.125&amp; nlE; x&lt; NE; 0.300,0.020&amp; nlE; y&nlE; 0.050和0.040& 其中Ln表示选自La,Ce,Pr,Nd,Pm,Sm,Eu中的至少一种元素,其中Ln表示至少一种选自La,Ce,Pr,Nd,Pm,Sm,Eu, Gd,Tb,Dy,Ho,Er,Tm,Yb和Lu。

    Laminated piezoelectric element and production method of the same
    4.
    发明授权
    Laminated piezoelectric element and production method of the same 有权
    叠层压电元件及其制作方法相同

    公开(公告)号:US07564176B2

    公开(公告)日:2009-07-21

    申请号:US11684275

    申请日:2007-03-09

    IPC分类号: H01L41/187

    摘要: A laminated piezoelectric element capable of being sintered at low temperatures and high in piezoelectric properties is provided. The laminated piezoelectric element comprises a plurality of piezoelectric layers each comprising a composite oxide as a main constituent thereof and a plurality of internal electrode layers formed between the piezoelectric layers and containing Ag, wherein the piezoelectric layers are each comprised of a sintered body comprising the composite oxide, as a main constituent thereof, represented by (Pba-bMb) [(Zn1/3Nb2/3)xTiyZrz]O3 with the proviso that 0.96≦a≦1.03, 0≦b≦0.1, 0.05≦x≦0.15, 0.25≦y≦0.5, 0.35≦z≦0.6, x+y+z=1, and M represents at least one selected from Sr, Ca and Ba, and Ag in a content of 1.0% by weight or less (not inclusive of 0) in terms of Ag2O in relation to the main constituent.

    摘要翻译: 提供能够在低温下烧结并且压电性能高的层叠型压电元件。 叠层压电元件包括​​多个压电层,每个压电层包含复合氧化物作为其主要成分,并且在压电层之间形成并含有Ag的多个内部电极层,其中压电层各自包括包含复合氧化物的复合氧化物 氧化物作为其主要成分,由(Pba-bMb)[(Zn1 / 3Nb2 / 3)xTiyZrz] O3表示,条件是0.96 <= a <= 1.03,0 <= b <= 0.1,0.05 <= x <= 0.15,0.25 <= y <= 0.5,0.33 <= z <= 0.6,x + y + z = 1,M表示选自Sr,Ca和Ba中的至少一种,Ag的含量为1.0% (不包括0)以相对于主要成分的Ag 2 O计。

    LAMINATED PIEZOELECTRIC ELEMENT AND PRODUCTION METHOD OF THE SAME
    10.
    发明申请
    LAMINATED PIEZOELECTRIC ELEMENT AND PRODUCTION METHOD OF THE SAME 有权
    层压压电元件及其生产方法

    公开(公告)号:US20070222340A1

    公开(公告)日:2007-09-27

    申请号:US11684275

    申请日:2007-03-09

    IPC分类号: H01L41/187 H01L41/083

    摘要: A laminated piezoelectric element capable of being sintered at low temperatures and high in piezoelectric properties is provided. The laminated piezoelectric element comprises a plurality of piezoelectric layers each comprising a composite oxide as a main constituent thereof and a plurality of internal electrode layers formed between the piezoelectric layers and containing Ag, wherein the piezoelectric layers are each comprised of a sintered body comprising the composite oxide, as a main constituent thereof, represented by (Pba-bMb)[(Zn1/3Nb2/3)xTiyZrz]O3 with the proviso that 0.96≦a≦1.03, 0≦b≦0.1, 0.05≦x≦0.15, 0.25≦y≦0.5, 0.35≦z≦0.6, x+y+z=1, and M represents at least one selected from Sr, Ca and Ba, and Ag in a content of 1.0% by weight or less (not inclusive of 0) in terms of Ag2O in relation to the main constituent.

    摘要翻译: 提供能够在低温下烧结并且压电性能高的层叠型压电元件。 叠层压电元件包括​​多个压电层,每个压电层包含复合氧化物作为其主要成分,并且在压电层之间形成并含有Ag的多个内部电极层,其中压电层各自包括包含复合氧化物的复合氧化物 氧化物作为其主要成分,由(Pb Sb 2 B b)表示[(Zn 1/3 Nb 2/3) 其中,0.96 <= a = 1.03,0 <= b <= 0.1,0.05 <= x <=0.15,0.25≤y≤0.5,0.35≤z≤0.6,x + y + z = 1,M表示至少一个选定的 相对于主要成分,来自Sr,Ca和Ba的Ag和Ag的含量为Ag 2 O 2的1.0重量%以下(不包括0)。