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。

    PIEZOELECTRIC CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT, AND RESONATOR
    3.
    发明申请
    PIEZOELECTRIC CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT, AND RESONATOR 失效
    压电陶瓷组合物,压电元件和谐振器

    公开(公告)号:US20110234046A1

    公开(公告)日:2011-09-29

    申请号:US13052414

    申请日:2011-03-21

    IPC分类号: H01L41/187

    摘要: Provided is a piezoelectric ceramic composition which can increase Qmax of a resonator and inhibit the resonator from changing its oscillation frequency F0 under a low temperature environment. The piezoelectric ceramic composition has a structure represented by the following general formula (1): (PbαLnβMeγ)(Ti1−(x+y+z)ZrxMnyNbz)O3  (1) where Ln is a lanthanoid element, Me is an alkaline-earth metal element, α>0, β>0, γ≧0, 0.965≦α+β+γ≦1.000, 0.158≦x≦0.210, y≧0, z≧0, and 1−(x+y+z)>0.

    摘要翻译: 提供一种可以增加谐振器的Qmax并且抑制谐振器在低温环境下改变其振荡频率F0的压电陶瓷组合物。 压电陶瓷组合物具有由以下通式(1)表示的结构:(PbαLn&bgr;Meγ)(Ti1-(x + y + z)ZrxMnyNbz)O3(1)其中Ln是镧系元素,Me是碱 - 地球金属元素,α> 0,&bgr;> 0,γ≥0,0.965&nlE;α+&bgr; +γ&nlE; 1.000,0.158&nlE; x&lt; lll; 0.210,y≥0,z≥0和1-(x + y + z)> 0。

    Piezoelectric ceramic composition, piezoelectric element, and resonator
    4.
    发明授权
    Piezoelectric ceramic composition, piezoelectric element, and resonator 失效
    压电陶瓷组合物,压电元件和谐振器

    公开(公告)号:US08212457B2

    公开(公告)日:2012-07-03

    申请号:US13052414

    申请日:2011-03-21

    IPC分类号: H01L41/187

    摘要: Provided is a piezoelectric ceramic composition which can increase Qmax of a resonator and inhibit the resonator from changing its oscillation frequency F0 under a low temperature environment. The piezoelectric ceramic composition has a structure represented by the following general formula (1): (PbαLnβMeγ)(Ti1−(x+y+z)ZrxMnyNbz)O3  (1) where Ln is a lanthanoid element, Me is an alkaline-earth metal element, α>0, β>0, γ≧0, 0.965≦α+β+γ≦1.000, 0.158≦x≦0.210, y≧0, z≧0, and 1−(x+y+z)>0.

    摘要翻译: 提供一种可以增加谐振器的Qmax并且抑制谐振器在低温环境下改变其振荡频率F0的压电陶瓷组合物。 压电陶瓷组合物具有由以下通式(1)表示的结构:(PbαLn&bgr;Meγ)(Ti1-(x + y + z)ZrxMnyNbz)O3(1)其中Ln是镧系元素,Me是碱 - 地球金属元素,α> 0,&bgr;> 0,γ≥0,0.965&nlE;α+&bgr; +γ&nlE; 1.000,0.158&nlE; x&lt; lll; 0.210,y≥0,z≥0和1-(x + y + z)> 0。

    Method for producing piezoelectric ceramic
    5.
    发明申请
    Method for producing piezoelectric ceramic 审中-公开
    压电陶瓷的制造方法

    公开(公告)号:US20090065731A1

    公开(公告)日:2009-03-12

    申请号:US12230677

    申请日:2008-09-03

    IPC分类号: C04B35/46

    摘要: To provide a method for producing a piezoelectric ceramic which can improve toughness thereof. Provided is a method for producing a piezoelectric ceramic which includes a step of polarizing a piezoelectric ceramic having a main component represented by a composition formula Pba[(MnbNbc)dTieZrf]O3, wherein a to f satisfy 0.98≦a≦1.01, 0.340≦b≦0.384, 0.616≦c≦0.660, 0.08≦d≦0.12, 0.500≦e≦0.540, 0.37≦f≦0.41, and bd+cd+e+f=1, and 1 to 10% by weight of Al in terms of Al2O3 as an additive, and heat-treating the polarized piezoelectric ceramic for 10 to 60 minutes in a range of 200 to 300° C. As a result of this heat treatment, toughness of the piezoelectric ceramic can be improved.

    摘要翻译: 提供一种能够提高其韧性的压电陶瓷的制造方法。 提供一种制造压电陶瓷的方法,其包括使由组成式Pba [(MnbNbc)dTieZrf] O 3表示的主要成分的压电陶瓷极化的步骤,其中a至f满足0.98 <= a <= 1.01,0.340 <= b <= 0.384,0.616 <= c <= 0.660,0.08 <= d <= 0.12,0.500 <= e <= 0.540,0.37 <= f <= 0.41和bd + cd + e + f = 以Al 2 O 3作为添加剂的Al为1〜10重量%,在200〜300℃的范围内对极化压电陶瓷进行10〜60分钟的热处理。作为该热处理的结果, 可以改善压电陶瓷。

    PIEZOELECTRIC CERAMIC COMPOSITION AND RESONATOR
    6.
    发明申请
    PIEZOELECTRIC CERAMIC COMPOSITION AND RESONATOR 审中-公开
    压电陶瓷组合物和谐振器

    公开(公告)号:US20080258100A1

    公开(公告)日:2008-10-23

    申请号:US11851415

    申请日:2007-09-07

    IPC分类号: C04B35/36

    摘要: To obtain a piezoelectric ceramic composition having extremely high heat resisting property. Provided is a piezoelectric ceramic composition comprising a main component represented by Pba[(MnbNbc)dTieZrf]O3 (wherein 0.98≦a≦1.01, 0.340≦b≦0.384, 0.616≦c≦0.660, 0.08≦d≦0.12, 0.500≦e≦0.540, 0.37≦f≦0.41, bd+cd+e+f=1), and 1 to 10% by weight of Al in terms of Al2O3 as an additive. Preferably, b is such that 0.345≦b≦0.375 and c is such that 0.625≦c≦0.655, and the Al as the additive is preferably 2 to 6% by weight in terms of Al2O3.

    摘要翻译: 得到具有极高耐热性的压电陶瓷组合物。 本发明提供一种压电陶瓷组合物,其包含以下组分表示的主要成分:[(N,B)Nb C' (其中0.98 <= a <= 1.01,0.340 <= b <= 0.384,0.616 <= c 根据这个术语,<= 0.660,0.08 <= d <= 0.12,0.500 <= e <= 0.540,0.37 <= f <= 0.41,bd + cd + e + f = 1)和1〜10重量% 的Al 2 O 3 3作为添加剂。 优选地,b为0.345≤b≤0.375,c为0.625 <= c <= 0.655,作为添加剂的Al优选为2〜6重量% 3&gt; 3&lt; 3&gt ;.

    Piezoelectric ceramic composition
    9.
    发明授权
    Piezoelectric ceramic composition 失效
    压电陶瓷组合物

    公开(公告)号:US08142677B2

    公开(公告)日:2012-03-27

    申请号:US10597366

    申请日:2005-02-28

    摘要: A piezoelectric ceramic composition excellent in all of the electric property Qmax, heat resisting properties and temperature characteristics of oscillation frequencies is provided. The piezoelectric ceramic composition comprises a phase mainly comprising lead zirconate titanate having a perovskite structure and an Al-containing phase. In the piezoelectric ceramic composition, the main component preferably comprises Mn and Nb, and is preferably represented by a composition formula of Pbα[(Mn1/3Nb2/3)xTiyZrz]O3 (wherein 0.97≦α≦1.01, 0.04≦x≦0.16, 0.48≦y≦0.58, 0.32≦z≦0.41).

    摘要翻译: 提供了所有电特性Qmax,耐热性能和振荡频率的温度特性均优异的压电陶瓷组合物。 压电陶瓷组合物包括主要包含具有钙钛矿结构的锆钛酸铅和含Al相的相。 在压电陶瓷组合物中,主成分优选含有Mn和Nb,优选以组成式Pbα[(Mn1 / 3Nb2 / 3)×TiZZZz] O3(其中0.97和nlE;α&nlE; 1.01,0.04和nlE; x& 0.16,0.48&nlE; y&nlE; 0.58,0.32&amp; nl; z&nlE; 0.41)。