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1. 发明申请

US20080258100A1 PIEZOELECTRIC CERAMIC COMPOSITION AND RESONATOR 审中-公开
标题翻译：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
申请人： Keisuke Teranishi , Masakazu Hirose , Tomohisa Azuma
发明人： Keisuke Teranishi , Masakazu Hirose , Tomohisa Azuma
IPC分类号： C04B35/36
CPC分类号： C04B35/493 , C04B2235/3217 , C04B2235/3251 , C04B2235/3262 , H01L41/187 , H03H9/02031 , H03H9/1035 , H03H9/176
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 ;.

2. 发明申请

US20060273697A1 Piezoelectric ceramic composition and piezoelectric device 审中-公开
标题翻译：压电陶瓷组合物和压电装置
公开(公告)号：US20060273697A1
公开(公告)日：2006-12-07
申请号：US10559740
申请日：2004-09-09
申请人： Masakazu Hirose , Tomohisa Azuma , Yasuo Niwa , Masaru Abe
发明人： Masakazu Hirose , Tomohisa Azuma , Yasuo Niwa , Masaru Abe
IPC分类号： H01L41/187
CPC分类号： C04B35/491 , C01G45/125 , C01P2002/52 , C01P2006/40 , C04B35/493 , C04B35/62655 , C04B2235/3241 , C04B2235/3251 , C04B2235/3262 , C04B2235/3418 , C04B2235/5445 , H01L41/1876
摘要： A piezoelectric ceramic composition excellent in heat resisting properties is provided. In the piezoelectric ceramic composition including a perovskite compound containing Pb, Zr and Ti as main components, the piezoelectric ceramic composition is made to include Cr as an additive from 0.025 to 0.250 wt % in terms of Cr2O3. In the piezoelectric ceramic composition of the present invention, Δk15 (here, Δk15 is the rate of change in electromechanical coupling factor k15, caused by external thermal shock), of the piezoelectric ceramic composition can be controlled to 3.0% or less in absolute value.
摘要翻译：提供耐热性优异的压电陶瓷组合物。在包含以Pb，Zr和Ti为主要成分的钙钛矿化合物的压电陶瓷组合物中，压电陶瓷组合物包含Cr作为添加剂，以Cr 2 O 2计为0.025〜0.250重量％ 3 。在本发明的压电陶瓷组合物中，可以将压电陶瓷组合物的Deltak15（这里，Deltak15是由外部热冲击引起的机电耦合系数k15的变化率）控制在3.0％以下。

3. 发明申请

US20050075235A1 Piezoelectric ceramic composition and manufacturing the same, and piezoelectric element 失效
标题翻译：压电陶瓷组合物和制造相同，和压电元件
公开(公告)号：US20050075235A1
公开(公告)日：2005-04-07
申请号：US10949742
申请日：2004-09-24
申请人： Tomohisa Azuma , Masakazu Hirose
发明人： Tomohisa Azuma , Masakazu Hirose
IPC分类号： C04B35/493 , H01L41/187 , H01L41/257 , H01L41/43 , H03H3/04 , H03H9/17 , C04B35/49
CPC分类号： H03H9/02031 , C04B35/493 , C04B35/6262 , C04B35/6268 , C04B35/64 , C04B2235/3217 , C04B2235/3224 , C04B2235/3241 , C04B2235/3251 , C04B2235/3262 , C04B2235/3418 , C04B2235/5445 , C04B2235/604 , C04B2235/658 , C04B2235/662 , H01L41/1876 , H01L41/253 , H01L41/257 , H01L41/43
摘要： There are provided steps of polarizing a ceramic composition including a perovskite compound containing Pb, Zr, Ti and Mn as main components and a heat treatment step for keeping the polarized ceramic composition within a temperature range lower than Tc (Tc denoting the Curie temperature of the ceramic composition) for 1 to 100 minutes.
摘要翻译：提供了将包含Pb，Zr，Ti和Mn的钙钛矿化合物作为主要成分的陶瓷组合物偏振的步骤和将极化陶瓷组合物保持在低于Tc的温度范围内的热处理步骤（Tc表示居里温度陶瓷组合物）1至100分钟。

4. 发明授权

US07608215B2 Method of manufacturing a piezoelectric ceramic composition 失效
标题翻译：制造压电陶瓷组合物的方法
公开(公告)号：US07608215B2
公开(公告)日：2009-10-27
申请号：US10949742
申请日：2004-09-24
申请人： Tomohisa Azuma , Masakazu Hirose
发明人： Tomohisa Azuma , Masakazu Hirose
IPC分类号： H05B6/00
CPC分类号： H03H9/02031 , C04B35/493 , C04B35/6262 , C04B35/6268 , C04B35/64 , C04B2235/3217 , C04B2235/3224 , C04B2235/3241 , C04B2235/3251 , C04B2235/3262 , C04B2235/3418 , C04B2235/5445 , C04B2235/604 , C04B2235/658 , C04B2235/662 , H01L41/1876 , H01L41/253 , H01L41/257 , H01L41/43
摘要： There are provided steps of polarizing a ceramic composition including a perovskite compound containing Pb, Zr, Ti and Mn as main components and a heat treatment step for keeping the polarized ceramic composition within a temperature range lower than Tc (Tc denoting the Curie temperature of the ceramic composition) for 1 to 100 minutes.
摘要翻译：提供了将包含Pb，Zr，Ti和Mn的钙钛矿化合物作为主要成分的陶瓷组合物偏振的步骤和将极化陶瓷组合物保持在低于Tc的温度范围内的热处理步骤（Tc表示居里温度陶瓷组合物）1至100分钟。

5. 发明授权

US07541716B2 Resonator 失效
标题翻译：谐振器
公开(公告)号：US07541716B2
公开(公告)日：2009-06-02
申请号：US11397952
申请日：2006-04-04
申请人： Tomohisa Azuma , Masakazu Hirose , Akira Suzuki , Kouji Taniwaki
发明人： Tomohisa Azuma , Masakazu Hirose , Akira Suzuki , Kouji Taniwaki
IPC分类号： H01L41/047 , H01L41/187
CPC分类号： H03H3/02 , H03H9/02031 , H03H9/1014 , H03H9/1035 , H03H9/177
摘要： There is provided a resonator having a piezoelectric ceramic resonator which has excellent free-fall resistance. The resonator comprises a piezoelectric ceramic resonator 2 with a vibrating electrode formed, and a substrate 3 which supports the piezoelectric ceramic resonator 2, wherein the piezoelectric ceramic resonator 2 satisfies the condition of U≧0.88×H+20.28, wherein U=maximum elastic energy (kJ/m3) per unit volume, and H=drop height (m) (H>1). The present invention can be applied to a resonator 1, wherein the substrate 3 has terminal electrodes 31, 32, and the piezoelectric ceramic resonator 2 is in electrical continuity with the vibrating electrode and is supported on the substrate 3 at both ends via a conductive stator 4.
摘要翻译：提供了具有优异的自由落体电阻的压电陶瓷谐振器的谐振器。谐振器包括：形成有振动电极的压电陶瓷谐振器2和支撑压电陶瓷谐振器2的基板3，其中压电陶瓷谐振器2满足U> = 0.88×H + 20.28的条件，其中U =最大弹性能（kJ / m3），H =滴高（m）（H> 1）。本发明可以应用于谐振器1，其中基片3具有端子电极31,32，并且压电陶瓷谐振器2与振动电极电连通，并且通过导电定子在两端支撑在基板3上 4。

6. 发明申请

US20080245990A1 Piezoelectric Ceramic Composition 失效
标题翻译：压电陶瓷组合物
公开(公告)号：US20080245990A1
公开(公告)日：2008-10-09
申请号：US10597366
申请日：2005-02-28
申请人： Masakazu Hirose , Tomohisa Azuma , Norimasa Sakamoto
发明人： Masakazu Hirose , Tomohisa Azuma , Norimasa Sakamoto
IPC分类号： C04B35/491
CPC分类号： C04B35/491 , C04B2235/3217 , C04B2235/3251 , C04B2235/3262 , C04B2235/80 , H01L41/1876
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：提供了所有电性质Qmax，耐热性和振荡频率的温度特性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，主要成分优选包括Mn和Nb，并且优选地由以下组成式表示：Pb（α3/3）Nb （其中0.97 <=α3）其中，0.97 <=α3 <= 1.01,0.04 <= x <= 0.16,0.48 <= y <= 0.58,0.32 <= z <= 0.41）。

7. 发明申请

US20060250050A1 Resonator 失效
标题翻译：谐振器
公开(公告)号：US20060250050A1
公开(公告)日：2006-11-09
申请号：US11397952
申请日：2006-04-04
申请人： Tomohisa Azuma , Masakazu Hirose , Akira Suzuki , Kouji Taniwaki
发明人： Tomohisa Azuma , Masakazu Hirose , Akira Suzuki , Kouji Taniwaki
IPC分类号： H01L41/187
CPC分类号： H03H3/02 , H03H9/02031 , H03H9/1014 , H03H9/1035 , H03H9/177
摘要： There is provided a resonator having a piezoelectric ceramic resonator which has excellent free-fall resistance. The resonator comprises a piezoelectric ceramic resonator 2 with a vibrating electrode formed, and a substrate 3 which supports the piezoelectric ceramic resonator 2, wherein the piezoelectric ceramic resonator 2 satisfies the condition of U≧0.88×H+20.28, wherein U=maximum elastic energy (kJ/m3) per unit volume, and H=drop height (m) (H>1). The present invention can be applied to a resonator 1, wherein the substrate 3 has terminal electrodes 31, 32, and the piezoelectric ceramic resonator 2 is in electrical continuity with the vibrating electrode and is supported on the substrate 3 at both ends via a conductive stator 4.
摘要翻译：提供了具有优异的自由落体电阻的压电陶瓷谐振器的谐振器。谐振器包括：形成有振动电极的压电陶瓷谐振器2和支撑压电陶瓷谐振器2的基板3，其中压电陶瓷谐振器2满足U> = 0.88×H + 20.28的条件，其中U =最大弹性能（kJ / m 3）/ H =滴高（m）（H> 1）。本发明可以应用于谐振器1，其中基片3具有端子电极31,32，并且压电陶瓷谐振器2与振动电极电连通，并且通过导电定子在两端支撑在基板3上 4。

8. 发明申请

US20060169946A1 Piezoelectric ceramic 有权
标题翻译：压电陶瓷
公开(公告)号：US20060169946A1
公开(公告)日：2006-08-03
申请号：US10541022
申请日：2004-03-19
申请人： Takeo Tsukada , Tomohisa Azuma , Masakazu Hirose
发明人： Takeo Tsukada , Tomohisa Azuma , Masakazu Hirose
IPC分类号： H01L41/18 , C04B35/46
CPC分类号： C04B35/63 , C04B35/475 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3262 , C04B2235/3275 , H01L41/187
摘要： The present invention has an object to provide piezoelectric ceramics containing no lead, having a high Curie point, and further, having excellent piezoelectric properties, particularly large Qmax. The piezoelectric ceramics contain, as a main component, a bismuth layer-structured compound having (MII1-xLnx)Bi4Ti4O15 crystals (MII is an element selected from Sr, Ba, and Ca, Ln is an element selected from lanthanoids, and x is within a range of 0
摘要翻译：本发明的目的是提供一种不具有高居里点的不含铅的压电陶瓷，并且还具有优异的压电性能，特别大的Qmax。作为主要成分的压电陶瓷含有具有（M 1，X 2）1-x L n x L z）Bi Bi的铋层结构化合物 > 4 5 15 15 15 是从Sr，Ba和Ca中选出的一种元素，Ln是元素，其选自镧系元素，x在0

9. 发明申请

US20060043329A1 Piezoelectric ceramic composition 审中-公开
标题翻译：压电陶瓷组合物
公开(公告)号：US20060043329A1
公开(公告)日：2006-03-02
申请号：US11210468
申请日：2005-08-24
申请人： Masakazu Hirose , Tomohisa Azuma , Masahito Furukawa , Takeo Tsukada , Norimasa Sakamoto
发明人： Masakazu Hirose , Tomohisa Azuma , Masahito Furukawa , Takeo Tsukada , Norimasa Sakamoto
IPC分类号： C04B35/49
CPC分类号： C04B35/493 , C04B35/62665 , C04B2235/3206 , C04B2235/3217 , C04B2235/3241 , C04B2235/3251 , C04B2235/3418 , H01L41/187
摘要： A piezoelectric ceramic composition which has a large electromechanical coupling factor and is excellent in heat resisting properties is provided. As additives, Cr, Al and Si are contained together in the piezoelectric ceramic composition including a perovskite compound which contains Pb, Zr and Ti as main components. Preferably, Cr, Al and Si are respectively contained in a content of 0.05 to 0.50 wt % in terms of Cr2O3, in a content of 0.005 to 1.500 wt % in terms of Al2O3, and in a content of 0.005 to 0.100 wt % in terms of SiO2. By simultaneously including these three elements and setting the contents thereof to fall within the above mentioned ranges, the electromechanical coupling factor kt can be 30% or more, and ΔFr, which is the rate of change in resonant frequency Fr between before and after application of an external thermal shock, can be 0.5% or less in absolute value.
摘要翻译：提供了具有大的机电耦合系数并且耐热性优异的压电陶瓷组合物。作为添加剂，包含Pb，Zr和Ti作为主要成分的钙钛矿型化合物的压电陶瓷组合物中含有Cr，Al，Si。优选地，Cr，Al和Si分别以Cr 2 Al 3 O 3含量为0.05〜0.50重量％，含量为0.005〜1.500重量％以Al 2 O 3 3计，含量为0.005〜0.100重量％，以SiO 2 2计。通过同时包含这三个要素并将其内容设定在上述范围内，机电耦合系数kt可以为30％以上，作为施加前后的谐振频率Fr的变化率的DeltaFr 外部热冲击的绝对值可以为0.5％以下。

10. 发明授权

US08142677B2 Piezoelectric ceramic composition 失效
标题翻译：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
申请人： Masakazu Hirose , Tomohisa Azuma , Norimasa Sakamoto
发明人： Masakazu Hirose , Tomohisa Azuma , Norimasa Sakamoto
IPC分类号： C04B35/00 , C04B35/495 , H01L41/18 , H01L41/187
CPC分类号： C04B35/491 , C04B2235/3217 , C04B2235/3251 , C04B2235/3262 , C04B2235/80 , H01L41/1876
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）。

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