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1. 发明授权

US08441174B2 Multilayer piezoelectric element and injector using the same 有权
标题翻译：多层压电元件和注射器使用相同
公开(公告)号：US08441174B2
公开(公告)日：2013-05-14
申请号：US11917747
申请日：2006-06-15
申请人： Takeshi Okamura , Masaki Terazono , Tomohiro Kawamoto , Takafumi Tsurumaru , Shigenobu Nakamura , Ken Yamamoto
发明人： Takeshi Okamura , Masaki Terazono , Tomohiro Kawamoto , Takafumi Tsurumaru , Shigenobu Nakamura , Ken Yamamoto
IPC分类号： H01L41/083
CPC分类号： H01L41/0838 , B05B17/0653 , F02M51/0603 , H01L41/0471 , H01L41/0477
摘要： In a multilayer piezoelectric element in which a plurality of piezoelectric layers and a plurality of metal layers are stacked alternately, the plurality of metal layers include a plurality of low-filled metal layers having a lower filling rate of metal composing the metal layers than oppositely disposed metal layers adjacent to each other in a stacking direction. In a multilayer piezoelectric element in which a plurality of piezoelectric layers and a plurality of metal layers are stacked alternately, the plurality of metal layers include a plurality of thin metal layers having a smaller thickness than oppositely disposed metal layers adjacent to each other in a stacking direction. In a multilayer piezoelectric element in which a plurality of piezoelectric layers and a plurality of metal layers composed mainly of an alloy are stacked alternately, the plurality of metal layers include a plurality of high-ratio metal layers having a higher ratio of a component constituting the alloy than oppositely disposed metal layers adjacent to each other in a stacking direction.
摘要翻译：在其中多个压电层和多个金属层交替堆叠的多层压电元件中，多个金属层包括多个低填充金属层，其中构成金属层的金属填充率低于相对设置的金属层在层叠方向上彼此相邻的金属层。在其中多个压电层和多个金属层交替堆叠的多层压电元件中，多个金属层包括多个薄金属层，其厚度相对于彼此相邻布置的金属层的厚度小于堆叠方向。在其中多个压电层和主要由合金构成的多个金属层交替堆叠的多层压电元件中，多个金属层包括多个高比例的金属层，其中构成合金比层叠方向上彼此相邻的相对设置的金属层。

2. 发明申请

US20090295256A1 Multilayer Piezoelectric Element and Injector Using the Same 有权
标题翻译：多层压电元件和使用它的注射器
公开(公告)号：US20090295256A1
公开(公告)日：2009-12-03
申请号：US11917747
申请日：2006-06-15
申请人： Takeshi Okamura , Masaki Terazono , Tomohiro Kawamoto , Takafumi Tsurumaru , Shigenobu Nakamura , Ken Yamamoto
发明人： Takeshi Okamura , Masaki Terazono , Tomohiro Kawamoto , Takafumi Tsurumaru , Shigenobu Nakamura , Ken Yamamoto
IPC分类号： H01L41/083
CPC分类号： H01L41/0838 , B05B17/0653 , F02M51/0603 , H01L41/0471 , H01L41/0477
摘要： In a multilayer piezoelectric element in which a plurality of piezoelectric layers and a plurality of metal layers are stacked alternately, the plurality of metal layers include a plurality of low-filled metal layers having a lower filling rate of metal composing the metal layers than oppositely disposed metal layers adjacent to each other in a stacking direction. In a multilayer piezoelectric element in which a plurality of piezoelectric layers and a plurality of metal layers are stacked alternately, the plurality of metal layers include a plurality of thin metal layers having a smaller thickness than oppositely disposed metal layers adjacent to each other in a stacking direction. In a multilayer piezoelectric element in which a plurality of piezoelectric layers and a plurality of metal layers composed mainly of an alloy are stacked alternately, the plurality of metal layers include a plurality of high-ratio metal layers having a higher ratio of a component constituting the alloy than oppositely disposed metal layers adjacent to each other in a stacking direction.
摘要翻译：在其中多个压电层和多个金属层交替层叠的多层压电元件中，多个金属层包括多个低填充金属层，其中构成金属层的金属的填充率较低，相反地布置在层叠方向上彼此相邻的金属层。在其中多个压电层和多个金属层交替堆叠的多层压电元件中，所述多个金属层包括多个薄金属层，所述多个薄金属层的厚度相对于彼此相邻布置的金属层的堆叠方向。在其中多个压电层和主要由合金构成的多个金属层交替堆叠的多层压电元件中，多个金属层包括多个高比例的金属层，其中构成合金比层叠方向上彼此相邻的相对设置的金属层。

3. 发明申请

US20090220765A1 Method for Manufacturing Ceramic Member, and Ceramic Member, Gas Sensor Device, Fuel Cell Device, Multi-Layer Piezoelectric Device, Injection Apparatus and Fuel Injection System 有权
标题翻译：陶瓷部件制造方法，陶瓷部件，气体传感器装置，燃料电池装置，多层压电装置，注射装置和燃料喷射系统
公开(公告)号：US20090220765A1
公开(公告)日：2009-09-03
申请号：US12280768
申请日：2007-02-27
申请人： Takeshi Okamura , Shigenobu Nakamura , Tomohiro Kawamoto , Nobuyuki Ito , Takafumi Tsurumaru , Tsuyoshi Setoguchi
发明人： Takeshi Okamura , Shigenobu Nakamura , Tomohiro Kawamoto , Nobuyuki Ito , Takafumi Tsurumaru , Tsuyoshi Setoguchi
IPC分类号： B32B3/26 , C04B35/64 , H01M8/10 , H01L41/083 , H01L41/24 , B05B1/30
CPC分类号： H01L41/273 , C04B35/195 , C04B2235/3225 , C04B2235/3481 , C04B2235/36 , C04B2235/5445 , C04B2235/6025 , F02M51/0603 , G01N27/4071 , H01L41/0471 , H01L41/0477 , H01L41/0838 , H01M8/1246 , H01M2300/0077 , Y02E60/525 , Y02P70/56 , Y10T29/42 , Y10T428/24997 , Y10T428/249981 , Y10T428/24999 , Y10T428/31678
摘要： A ceramic member in which the metal layers with high void ratio are sufficiently sintered to lower a residue of resin is produced.The method for manufacturing a ceramic member which comprises a step of forming a stacked compact from a plurality of metallic paste layers containing a metal component M1 that are stacked one on another via ceramic green sheets, and a step of firing the stacked compact, wherein at least one of plural metallic paste layers is formed as a second metallic paste layer that has the mass percentage X higher than that of the metallic paste layer that adjoin therewith in the stacking direction and a ceramic powder is contained in the second metallic paste layer in the step of forming the stacked compact, the mass percentage X being the proportion of the metal component M1 to the total metal content in the metallic paste layer.
摘要翻译：产生具有高空隙率的金属层充分烧结以降低树脂残留物的陶瓷构件。一种陶瓷构件的制造方法，其特征在于，包括：通过陶瓷生片层叠而成的多个金属成分M1的金属成分M1的多个金属膏层形成层叠成形体的工序和烧成层叠成形体的工序，形成多个金属糊层中的至少一个作为第二金属膏层，其质量百分数X高于在层叠方向上与其相邻的金属膏层的质量百分比X，并且在第二金属膏层中含有陶瓷粉末形成叠层体的步骤，质量百分比X是金属成分M1与金属膏层中的总金属含量的比例。

4. 发明授权

US08007903B2 Method for manufacturing ceramic member, and ceramic member, gas sensor device, fuel cell device, filter device, multi-layer piezoelectric device, injection apparatus and fuel injection system 有权
标题翻译：陶瓷构件的制造方法，陶瓷构件，气体传感器装置，燃料电池装置，过滤装置，多层压电装置，注射装置和燃料喷射系统
公开(公告)号：US08007903B2
公开(公告)日：2011-08-30
申请号：US12280768
申请日：2007-02-27
申请人： Takeshi Okamura , Shigenobu Nakamura , Tomohiro Kawamoto , Nobuyuki Ito , Takafumi Tsurumaru , Tsuyoshi Setoguchi
发明人： Takeshi Okamura , Shigenobu Nakamura , Tomohiro Kawamoto , Nobuyuki Ito , Takafumi Tsurumaru , Tsuyoshi Setoguchi
IPC分类号： B32B3/26 , C04B35/64 , H01M8/00 , H01L41/083 , H01L41/24 , B05B1/30
CPC分类号： H01L41/273 , C04B35/195 , C04B2235/3225 , C04B2235/3481 , C04B2235/36 , C04B2235/5445 , C04B2235/6025 , F02M51/0603 , G01N27/4071 , H01L41/0471 , H01L41/0477 , H01L41/0838 , H01M8/1246 , H01M2300/0077 , Y02E60/525 , Y02P70/56 , Y10T29/42 , Y10T428/24997 , Y10T428/249981 , Y10T428/24999 , Y10T428/31678
摘要： A ceramic member in which the metal layers with high void ratio are sufficiently sintered to lower a residue of resin is produced. The method for manufacturing a ceramic member which comprises a step of forming a stacked compact from a plurality of metallic paste layers containing a metal component M1 that are stacked one on another via ceramic green sheets, and a step of firing the stacked compact, wherein at least one of plural metallic paste layers is formed as a second metallic paste layer that has the mass percentage X higher than that of the metallic paste layer that adjoin therewith in the stacking direction and a ceramic powder is contained in the second metallic paste layer in the step of forming the stacked compact, the mass percentage X being the proportion of the metal component M1 to the total metal content in the metallic paste layer.
摘要翻译：产生具有高空隙率的金属层充分烧结以降低树脂残留物的陶瓷构件。一种陶瓷构件的制造方法，其特征在于，包括：通过陶瓷生片层叠而成的多个金属成分M1的金属成分M1的多个金属膏层形成层叠成形体的工序和烧成层叠成形体的工序，形成多个金属糊层中的至少一个作为第二金属膏层，其质量百分数X高于在层叠方向上与其相邻的金属膏层的质量百分比X，并且陶瓷粉末包含在第二金属膏层中形成叠层体的步骤，质量百分比X是金属成分M1与金属膏层中的总金属含量的比例。

5. 发明授权

US07786652B2 Multi-layer piezoelectric element 有权
标题翻译：多层压电元件
公开(公告)号：US07786652B2
公开(公告)日：2010-08-31
申请号：US10599532
申请日：2005-03-29
申请人： Shigenobu Nakamura , Takafumi Tsurumaru , Takeshi Okamura
发明人： Shigenobu Nakamura , Takafumi Tsurumaru , Takeshi Okamura
IPC分类号： H01L41/083
CPC分类号： H01L41/0472 , F02M51/0603 , H01L41/083 , Y10T29/42
摘要： The multi-layer piezoelectric element comprises a stack having an active portion constituted from at least one piezoelectric layer and a plurality of internal electrodes consisting of first and second internal electrodes placed one on another, the active portion being subjected to expansion and contraction in response to a voltage applied across the first internal electrode and the second internal electrode, and external electrodes formed on two side faces of the stack with one thereof being connected to the first internal electrode and the other connected to the second internal electrode, wherein each of the external electrodes is constituted from three or more layers including a first layer formed in contact with the side face of the stack and a second layer formed on the first layer, to provide a multi-layer piezoelectric element having high durability.
摘要翻译：层叠型压电元件包括具有由至少一个压电体层构成的活性部分和由彼此重叠的第一和第二内部电极组成的多个内部电极的叠层，所述活性部分响应于施加在第一内部电极和第二内部电极两端的电压，以及形成在堆叠的两个侧面上的外部电极，其中一个连接到第一内部电极，而另一个连接到第二内部电极，其中每个外部电极电极由三层或更多层构成，包括与叠层的侧面接触形成的第一层和形成在第一层上的第二层，以提供具有高耐久性的层叠型压电元件。

6. 发明申请

US20080238264A1 Multi-Layer Piezoelectric Element and Method for Manufacturing the Same 有权
标题翻译：多层压电元件及其制造方法
公开(公告)号：US20080238264A1
公开(公告)日：2008-10-02
申请号：US10599532
申请日：2005-03-29
申请人： Shigenobu Nakamura , Takafumi Tsurumaru , Takeshi Okamura
发明人： Shigenobu Nakamura , Takafumi Tsurumaru , Takeshi Okamura
IPC分类号： H01L41/047 , H01L41/22
CPC分类号： H01L41/0472 , F02M51/0603 , H01L41/083 , Y10T29/42
摘要： The multi-layer piezoelectric element comprises a stack having an active portion constituted from at least one piezoelectric layer and a plurality of internal electrodes consisting of first and second internal electrodes placed one on another, the active portion being subjected to expansion and contraction in response to a voltage applied across the first internal electrode and the second internal electrode, and external electrodes formed on two side faces of the stack with one thereof being connected to the first internal electrode and the other connected to the second internal electrode, wherein each of the external electrodes is constituted from three or more layers including a first layer formed in contact with the side face of the stack and a second layer formed on the first layer, to provide a multi-layer piezoelectric element having high durability.
摘要翻译：层叠型压电元件包括具有由至少一个压电体层构成的活性部分和由彼此重叠的第一和第二内部电极组成的多个内部电极的叠层，所述活性部分响应于施加在第一内部电极和第二内部电极两端的电压，以及形成在堆叠的两个侧面上的外部电极，其中一个连接到第一内部电极，而另一个连接到第二内部电极，其中每个外部电极电极由三层或更多层构成，包括与叠层的侧面接触形成的第一层和形成在第一层上的第二层，以提供具有高耐久性的层叠型压电元件。

7. 发明申请

US20090162706A1 Method for Manufacturing Ceramic Member, and Ceramic Member, Gas Sensor Device, Fuel Cell Device, Multi-Layer Piezoelectric Device, Injection Apparatus and Fuel Injection System 审中-公开
标题翻译：陶瓷部件制造方法，陶瓷部件，气体传感器装置，燃料电池装置，多层压电装置，注射装置和燃料喷射系统
公开(公告)号：US20090162706A1
公开(公告)日：2009-06-25
申请号：US12281763
申请日：2007-02-28
申请人： Takeshi Okamura , Tomohiro Kawamoto , Shigenobu Nakamura
发明人： Takeshi Okamura , Tomohiro Kawamoto , Shigenobu Nakamura
IPC分类号： H01M8/00 , B32B37/06 , B32B3/26 , B32B7/02 , B05B1/08 , F02M69/46
CPC分类号： B22F7/08 , G01N27/4073 , H01L41/0471 , H01L41/0477 , H01L41/0838 , H01L41/273 , H01M8/1246 , Y02E60/521 , Y02E60/525 , Y02P70/56 , Y10T428/2495 , Y10T428/249981
摘要： A ceramic member in which the metal layers with high void ratio are sufficiently sintered to lower a residue of resin is produced.The method for manufacturing a ceramic member which comprises a step of forming a stacked compact from a plurality of metallic paste layers containing a metal component M1 that are stacked one on another via ceramic green sheets, and a step of firing the stacked compact, wherein at least one of plural metallic paste layers is formed as a second metallic paste layer that has the mass percentage X higher than that of the metallic paste layer that adjoin therewith in the stacking direction, the mass percentage X being the proportion of the metal component M1 to the total metal content in the metallic paste layer.
摘要翻译：产生具有高空隙率的金属层充分烧结以降低树脂残留物的陶瓷构件。一种陶瓷构件的制造方法，其特征在于，包括：通过陶瓷生片层叠而成的多个金属成分M1的金属成分M1的多个金属膏层形成层叠成形体的工序和烧成层叠成形体的工序，形成多个金属糊层中的至少一个作为第二金属膏层，其质量百分数X高于在层叠方向上与其相邻的金属膏层的质量百分比X，质量百分比X是金属成分M1与金属糊层中的总金属含量。

8. 发明授权

US07633210B2 Multi-layer electronic component and method for manufacturing the same, multi-layer piezoelectric element 有权
标题翻译：多层电子元件及其制造方法，层叠型压电元件
公开(公告)号：US07633210B2
公开(公告)日：2009-12-15
申请号：US10566044
申请日：2004-07-28
申请人： Susumu Ono , Takeshi Okamura , Katsushi Sakaue , Takaaki Hira , Masaki Terazono
发明人： Susumu Ono , Takeshi Okamura , Katsushi Sakaue , Takaaki Hira , Masaki Terazono
IPC分类号： H01L41/083
CPC分类号： H01L41/083 , H01L41/0471 , H01L41/273
摘要： In order to provide a multi-layer electronic component in which the occurrence of delamination between the ceramic layer and the internal electrode is restricted and a method for manufacturing the same, the multi-layer electronic component of the present invention comprises a stack formed by stacking piezoelectric layers and internal electrodes one on another alternately and a pair of external electrodes formed on two opposing side faces of the stack, wherein the internal electrode consists of a first internal electrode connected to the external electrode formed on one of the two side faces and a second internal electrode located between the first internal electrode and connected to the external electrode formed on the other one of the two side faces, and wherein the internal electrodes and the piezoelectric layers are faced in proximity so that a space between them is 2 μm or less over an area occupying 50% or more of the active region where the first internal electrode and the second internal electrode oppose each other.
摘要翻译：为了提供限制陶瓷层和内部电极之间的分层的发生的多层电子部件及其制造方法，本发明的多层电子部件包括：叠层体压电层和内部电极彼此交替设置，一对外部电极形成在堆叠的两个相对侧面上，其中内部电极由连接到形成在两个侧面中的一个侧面上的外部电极的第一内部电极和所述第二内部电极位于所述第一内部电极之间并且与形成在所述两个侧面中的另一个侧面上的所述外部电极连接，并且其中所述内部电极和所述压电层面对，使得它们之间的空间为2μm或更小在占有第一内部电极和第二内部电极的有源区域的50％以上的区域上 d内部电极彼此相对。

9. 发明授权

US08125124B2 Multi-layer piezoelectric element and method for manufacturing the same 有权
标题翻译：多层压电元件及其制造方法
公开(公告)号：US08125124B2
公开(公告)日：2012-02-28
申请号：US12717018
申请日：2010-03-03
申请人： Mitsuo Kondo , Masaki Terazono , Takeshi Okamura , Katsushi Sakaue
发明人： Mitsuo Kondo , Masaki Terazono , Takeshi Okamura , Katsushi Sakaue
IPC分类号： H01L41/047 , H01L41/083
CPC分类号： H01L41/0472 , H01L41/0471 , H01L41/0477 , H01L41/273 , Y10T29/42
摘要： A multi-layer piezoelectric element having high durability which allows it to increase the amount of displacement of a piezoelectric actuator under high voltage and high pressure and does not undergo a change in the amount of displacement during continuous operation in a high electric field and under a high pressure over a long time period is provided.The multi-layer piezoelectric element comprises a stack of at least one piezoelectric layer and a plurality of internal electrodes consisting of first and second internal electrodes placed one on another, a first external electrode formed on a first side face of the stack and connected to the first internal electrode and a second external electrode formed on a second side face of the stack and connected to the second internal electrode, wherein the bonding strength between the piezoelectric layer and the internal electrode is weaker than the bending strength of the piezoelectric layer.
摘要翻译：一种具有高耐久性的多层压电元件，其能够在高电压和高压下增加压电致动器的位移量，并且在高电场和在高电压下连续操作期间不会发生位移量的变化提供了长时间的高压。所述层叠型压电元件包括由至少一个压电体层叠的多个内部电极和由彼此重叠的第一和第二内部电极组成的多个内部电极，形成在所述堆叠体的第一侧面上的第一外部电极，第一内部电极和第二外部电极，形成在所述堆叠的第二侧面上并与所述第二内部电极连接，其中所述压电层和所述内部电极之间的接合强度弱于所述压电层的弯曲强度。

10. 发明授权

US07705525B2 Multi-layer piezoelectric element and method for manufacturing the same 有权
标题翻译：多层压电元件及其制造方法
公开(公告)号：US07705525B2
公开(公告)日：2010-04-27
申请号：US12467901
申请日：2009-05-18
申请人： Mitsuo Kondo , Masaki Terazono , Takeshi Okamura , Katsushi Sakaue
发明人： Mitsuo Kondo , Masaki Terazono , Takeshi Okamura , Katsushi Sakaue
IPC分类号： H01L41/047 , H01L41/083
CPC分类号： H01L41/0472 , H01L41/0471 , H01L41/0477 , H01L41/273 , Y10T29/42
摘要： A multi-layer piezoelectric element having high durability which allows it to increase the amount of displacement of a piezoelectric actuator under high voltage and high pressure and does not undergo a change in the amount of displacement during continuous operation in a high electric field and under a high pressure over a long time period is provided.The multi-layer piezoelectric element comprises a stack of at least one piezoelectric layer and a plurality of internal electrodes consisting of first and second internal electrodes placed one on another, a first external electrode formed on a first side face of the stack and connected to the first internal electrode and a second external electrode formed on a second side face of the stack and connected to the second internal electrode, wherein the bonding strength between the piezoelectric layer and the internal electrode is weaker than the bending strength of the piezoelectric layer.
摘要翻译：一种具有高耐久性的多层压电元件，其能够在高电压和高压下增加压电致动器的位移量，并且在高电场和在高电压下连续操作期间不会发生位移量的变化提供了长时间的高压。所述层叠型压电元件包括由至少一个压电体层叠的多个内部电极和由彼此重叠的第一和第二内部电极组成的多个内部电极，形成在所述堆叠体的第一侧面上的第一外部电极，第一内部电极和第二外部电极，形成在所述堆叠的第二侧面上并与所述第二内部电极连接，其中所述压电层和所述内部电极之间的接合强度弱于所述压电层的弯曲强度。

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