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1. 发明授权

US07843114B2 Piezoceramic multilayer actuator and method of manufacturing a piezoceramic multilayer actuator 有权
标题翻译：压电陶瓷多层致动器和制造压电陶瓷多层致动器的方法
公开(公告)号：US07843114B2
公开(公告)日：2010-11-30
申请号：US12032509
申请日：2008-02-15
申请人： Bernhard Döllgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
发明人： Bernhard Döllgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
IPC分类号： H01L41/04
CPC分类号： H01L41/273 , H01L41/0838
摘要： A piezoceramic multilayer actuator (10) has a plurality of piezoceramic layers (12) and a security layer (20) disposed between two piezoceramic layers (12). The piezoceramic layers (12) have a piezoceramic first material sintered at a sintering temperature. The security layer (20) has a second material (32) and particles (30) at least partially embedded in the second material (32). The particles (30) have a third material different from the first material and different from the second material (32). An adhesion between the third material and the first material is weaker than an adhesion between the second material (32) and the first material.
摘要翻译：压电陶瓷多层致动器（10）具有多个压电陶瓷层（12）和设置在两个压电陶瓷层（12）之间的安全层（20）。压电陶瓷层（12）具有在烧结温度下烧结的压电陶瓷第一材料。安全层（20）具有至少部分地嵌入第二材料（32）中的第二材料（32）和颗粒（30）。颗粒（30）具有不同于第一材料并且不同于第二材料（32）的第三材料。第三材料和第一材料之间的粘附力弱于第二材料（32）和第一材料之间的粘合力。

2. 发明申请

US20100060110A1 Multi-Layer Piezoelectric Element and Injection Apparatus Employing The Same 有权
标题翻译：多层压电元件及其使用的注射装置
公开(公告)号：US20100060110A1
公开(公告)日：2010-03-11
申请号：US12447640
申请日：2006-10-31
申请人： Masahiro Inagaki , Takami Sakamoto , Harald-Johannes Kastl , Carsten Schuh , Bernhard Doellgast , Atsushi Ochi
发明人： Masahiro Inagaki , Takami Sakamoto , Harald-Johannes Kastl , Carsten Schuh , Bernhard Doellgast , Atsushi Ochi
IPC分类号： H01L41/047
CPC分类号： H01L41/0838
摘要： A multi-layer piezoelectric element which undergo less change in the amount of displacement and shows high durability during continuous operation under a high voltage and pressure over a long period are provided.The multi-layer piezoelectric element comprises a stack having metal layers and piezoelectric layers stacked one on another, and a pair of external electrodes formed on the side faces of the stack, wherein at least one of the metal layers is stress relieving layer having partial metal layers scattered between the two piezoelectric layers and voids, wherein junction sections are formed between the two piezoelectric layers to join and are disposed on both sides of an imaginary straight line drawn to connect the center of width of one of the external electrodes and the center of width of the other of the external electrodes in a plane including the stress relieving perpendicular to the stacking direction.
摘要翻译：提供了一种在长时间的高压和高压连续运行期间经历较少位移变化并显示高耐久性的层叠型压电元件。所述层叠型压电元件具有层叠的金属层和压电体层叠体以及形成在所述层叠体的侧面的一对外部电极，所述金属层中的至少一层为具有部分金属的应力消除层分散在两个压电层和空隙之间的层，其中在两个压电层之间形成接合部分以连接并设置在连接外部电极之一的宽度的中心的假想直线的两侧和包括垂直于层叠方向的应力消除的平面中的另一个外部电极的宽度。

3. 发明授权

US08410663B2 Piezoelectric actuator unit having a stress relieving layer and method for manufacturing the same 有权
标题翻译：具有应力消除层的压电致动器单元及其制造方法
公开(公告)号：US08410663B2
公开(公告)日：2013-04-02
申请号：US12446175
申请日：2006-10-20
申请人： Takami Sakamoto , Masahiro Inagaki , Harald-Johannes Kastl , Carsten Schuh , Bernhard Doellgast , Atsushi Ochi
发明人： Takami Sakamoto , Masahiro Inagaki , Harald-Johannes Kastl , Carsten Schuh , Bernhard Doellgast , Atsushi Ochi
IPC分类号： H01L41/083
CPC分类号： H01L41/0838 , H01L41/273 , Y10T29/42
摘要： A piezoelectric actuator unit which undergoes less change in the amount of displacement and shows high durability in continuous operation under a high voltage and a high pressure over a long period of time is provided.The piezoelectric actuator unit including a multi-layer piezoelectric element having piezoelectric layers and metal layers with the piezoelectric layers and the metal layers being stacked one on another, and a case which houses the multi-layer piezoelectric element, wherein at least one of the plurality of metal layers is stress relieving layer which consists of a plurality of partial metal layers that are scattered throughout the entire region between two piezoelectric layers which adjoin the partial metal layers in the direction of stacking, and voids, and a peel-off section is formed at least in a part of the interface between the stress relieving layer and the piezoelectric layer that adjoins therewith.
摘要翻译：提供了一种压电致动器单元，其在较高的电压和高压下长时间地进行位移量变化较小并且连续运行时的耐久性较高。压电致动器单元包括具有压电层的层压型压电元件和压电层和金属层彼此堆叠的金属层，以及容纳多层压电元件的壳体，其中，多个金属层的应力消除层由多个部分金属层构成，该多个部分金属层在层叠方向上与部分金属层相邻的两个压电层之间的整个区域分散，形成空隙，形成剥离部至少在应力消除层和与其相邻的压电层之间的界面的一部分中。

4. 发明授权

US08212451B2 Multi-layer piezoelectric element having a plurality of junction sections and injection apparatus employing the same 有权
标题翻译：具有多个接合部的多层压电元件和采用该层的压电元件
公开(公告)号：US08212451B2
公开(公告)日：2012-07-03
申请号：US12447640
申请日：2006-10-31
申请人： Masahiro Inagaki , Takami Sakamoto , Harald-Johannes Kastl , Carsten Schuh , Bernhard Doellgast , Atsushi Ochi
发明人： Masahiro Inagaki , Takami Sakamoto , Harald-Johannes Kastl , Carsten Schuh , Bernhard Doellgast , Atsushi Ochi
IPC分类号： H01L41/083
CPC分类号： H01L41/0838
摘要： A multi-layer piezoelectric element includes a stack having metal layers and piezoelectric layers stacked one on another, and a pair of external electrodes formed on the side faces of the stack. At least one of the metal layers is a stress relieving layer having partial metal layers scattered between the two piezoelectric layers and voids. Junction sections are formed between the two piezoelectric layers to join and are disposed on both sides of an imaginary straight line drawn to connect the center of width of one of the external electrodes and the center of width of the other of the external electrodes in a plane including the stress relieving perpendicular to the stacking direction.
摘要翻译：层叠型压电元件包括具有层叠的金属层和压电体的叠层以及形成在叠层的侧面的一对外部电极。至少一个金属层是在两个压电层和空隙之间分散有部分金属层的应力消除层。接合部分形成在两个压电层之间以连接并布置在假想直线的两侧，其被绘制以连接外部电极之一的宽度的中心和另一个外部电极的宽度的中心在平面中包括垂直于堆叠方向的应力消除。

5. 发明申请

US20100194247A1 PIEZOCERAMIC MULTILAYER ACTUATOR WITH HIGH RELIABILITY 有权
标题翻译：具有高可靠性的PIEZOCERAMIC MULTILERER执行器
公开(公告)号：US20100194247A1
公开(公告)日：2010-08-05
申请号：US12376346
申请日：2007-08-06
申请人： Bernhard Döllgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
发明人： Bernhard Döllgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
IPC分类号： H01L41/083
CPC分类号： H01L41/273 , H01L41/0838
摘要： A piezoceramic multilayer actuator has a first sub-stack (12, 14, 16) with a plurality of piezoceramic layers (22) and at least one internal electrode (24, 26), the piezoceramic layers (22) and the at least one internal electrode (24, 26) being laminated in an alternating manner, a second sub-stack (12, 14, 16) has a plurality of piezoceramic layers (22) and at least one internal electrode (24, 26), the piezoceramic layers (22) and the at least one internal electrode (24, 26) being laminated in an alternating manner, and a connection layer (40) arranged between the first sub-stack (12, 14, 16) and the second sub-stack (12, 14, 16), wherein the connection layer (40) is set up by a multitude of single connection points or connection lines (44) or other connection regions.
摘要翻译：压电陶瓷多层致动器具有具有多个压电陶瓷层（22）和至少一个内部电极（24,26）的第一子堆叠（12,14,16），所述压电陶瓷层（22）和所述至少一个内部电极（24,26）以交替的方式层压，第二子堆叠（12,14,16）具有多个压电陶瓷层（22）和至少一个内部电极（24,26），所述压电陶瓷层 22）和所述至少一个内部电极（24,26）以交替的方式层叠，以及布置在所述第一子堆叠（12,14）和所述第二子堆叠（12）之间的连接层（40），14,16），其中所述连接层（40）由多个单个连接点或连接线（44）或其它连接区域设置。

6. 发明申请

US20080224572A1 PIEZOCERAMIC MULTILAYER ACTUATOR AND METHOD OF MANUFACTURING A PIEZOCERAMIC MULTILAYER ACTUATOR 有权
标题翻译： PIEZOCERAMIC MULTILAYER执行器和制造PIEZOCERAMIC MULTILERER执行器的方法
公开(公告)号：US20080224572A1
公开(公告)日：2008-09-18
申请号：US12032465
申请日：2008-02-15
申请人： Bernhard Dollgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
发明人： Bernhard Dollgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
IPC分类号： H01L41/04 , H01L41/24
CPC分类号： H01L41/0838 , H01L41/273 , Y10T29/42
摘要： A piezoceramic multilayer actuator (10) has a plurality of piezoceramic layers (12), a security layer (20) and a plurality of inner electrodes (16, 18). The piezoceramic layers (12) has a piezoceramic first material sintered at a sintering temperature. The security layer (20) has a second material and is disposed between two piezoceramic layers (12). Each of the plurality of inner electrodes (16, 18) has a third material and is deposited between two piezoceramic layers (12). The degree of sintering of the second material is lower than the degree of sintering of the third material.
摘要翻译：压电陶瓷多层致动器（10）具有多个压电陶瓷层（12），安全层（20）和多个内部电极（16,18）。压电陶瓷层（12）具有在烧结温度下烧结的压电陶瓷第一材料。安全层（20）具有第二材料并且设置在两个压电陶瓷层（12）之间。多个内部电极（16,18）中的每一个具有第三材料并且沉积在两个压电陶瓷层（12）之间。第二材料的烧结程度低于第三材料的烧结程度。

7. 发明授权

US07851974B2 Piezoceramic multilayer actuator manufactured according to particular sintering parameters and corresponding method of manufacturing 有权
标题翻译：按照特定烧结参数制造的压电陶瓷多层致动器及相应的制造方法
公开(公告)号：US07851974B2
公开(公告)日：2010-12-14
申请号：US12032465
申请日：2008-02-15
申请人： Bernhard Döllgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
发明人： Bernhard Döllgast , Masahiro Inagaki , Harald Johannes Kastl , Atsushi Ochi , Takami Sakamoto , Carsten Schuh
IPC分类号： H01L41/04 , H01L41/08
CPC分类号： H01L41/0838 , H01L41/273 , Y10T29/42
摘要： A piezoceramic multilayer actuator (10) has a plurality of piezoceramic layers (12), a security layer (20) and a plurality of inner electrodes (16, 18). The piezoceramic layers (12) has a piezoceramic first material sintered at a sintering temperature. The security layer (20) has a second material and is disposed between two piezoceramic layers (12). Each of the plurality of inner electrodes (16, 18) has a third material and is deposited between two piezoceramic layers (12). The degree of sintering of the second material is lower than the degree of sintering of the third material.
摘要翻译：压电陶瓷多层致动器（10）具有多个压电陶瓷层（12），安全层（20）和多个内部电极（16,18）。压电陶瓷层（12）具有在烧结温度下烧结的压电陶瓷第一材料。安全层（20）具有第二材料并且设置在两个压电陶瓷层（12）之间。多个内部电极（16,18）中的每一个具有第三材料并且沉积在两个压电陶瓷层（12）之间。第二材料的烧结程度低于第三材料的烧结程度。

8. 发明申请

US20100090033A1 Multi-Layer Piezoelectric Element, Injection Apparatus Using the Same and Method of Multi-Layer Piezoelectric Element 失效
标题翻译：多层压电元件，使用其的注入装置和多层压电元件的方法
公开(公告)号：US20100090033A1
公开(公告)日：2010-04-15
申请号：US12532606
申请日：2007-03-27
申请人： Takami Sakamoto , Masahiro Imagaki , Harald-Johannes Kastl , Carsten Schuh , Bernhard Doellgast , Atsushi Ochi
发明人： Takami Sakamoto , Masahiro Imagaki , Harald-Johannes Kastl , Carsten Schuh , Bernhard Doellgast , Atsushi Ochi
IPC分类号： F02M51/06 , H01L41/16 , H01L41/083 , H01L41/24
CPC分类号： H01L41/273 , F02M51/0603 , H01L41/0471 , H01L41/0477 , H01L41/0838 , Y10T29/42
摘要： A multi-layer piezoelectric element having higher durability which experience less decrease in the amount of displacement even when operated continuously over a long period of time under a high pressure and a high voltage is provided. The multi-layer piezoelectric element comprises a plurality of piezoelectric layers and a plurality of internal electrode layers, wherein the piezoelectric layers and the internal electrode layers are stacked alternately one on another, and at least one of the plurality of internal electrode layers contains at least one nitride, titanium nitride or zirconium nitride.
摘要翻译：具有更高耐久性的层叠型压电元件即使在高压和高电压下连续长时间运行，也具有更小的位移减少量。层叠型压电元件包括多个压电层和多个内部电极层，其中，压电层和内部电极层交替地层叠，多个内部电极层中的至少一个至少含有一种氮化物，氮化钛或氮化锆。

9. 发明授权

US08196843B2 Multi-layer piezoelectric element, injection apparatus using the same and method of multi-layer piezoelectric element 失效
标题翻译：多层压电元件，使用其的注入装置以及层叠型压电元件的方法
公开(公告)号：US08196843B2
公开(公告)日：2012-06-12
申请号：US12532606
申请日：2007-03-27
申请人： Takami Sakamoto , Masahiro Inagaki , Harald-Johannes Kastl , Carsten Schuh , Bernhard Doellgast , Atsushi Ochi
发明人： Takami Sakamoto , Masahiro Inagaki , Harald-Johannes Kastl , Carsten Schuh , Bernhard Doellgast , Atsushi Ochi
IPC分类号： B05B17/04
CPC分类号： H01L41/273 , F02M51/0603 , H01L41/0471 , H01L41/0477 , H01L41/0838 , Y10T29/42
摘要： A multi-layer piezoelectric element having higher durability which experience less decrease in the amount of displacement even when operated continuously over a long period of time under a high pressure and a high voltage is provided. The multi-layer piezoelectric element comprises a plurality of piezoelectric layers and a plurality of internal electrode layers, wherein the piezoelectric layers and the internal electrode layers are stacked alternately one on another, and at least one of the plurality of internal electrode layers contains at least one nitride, titanium nitride or zirconium nitride.
摘要翻译：具有更高耐久性的层叠型压电元件即使在高压和高电压下连续长时间运行，也具有更小的位移减少量。层叠型压电元件包括多个压电层和多个内部电极层，其中，压电层和内部电极层交替地层叠，多个内部电极层中的至少一个至少含有一种氮化物，氮化钛或氮化锆。

10. 发明申请

US20110017177A1 Monolithic piezoactuator with transition region and safety layer, and use of the piezoactuator 审中-公开
标题翻译：具有过渡区域和安全层的单片压电致动器，以及压电致动器的使用
公开(公告)号：US20110017177A1
公开(公告)日：2011-01-27
申请号：US12445955
申请日：2007-10-23
申请人： Masahiro Inagaki , Harald Johannes Kastl , Takami Sakamoto , Carsten Schuh
发明人： Masahiro Inagaki , Harald Johannes Kastl , Takami Sakamoto , Carsten Schuh
IPC分类号： F02M51/00 , H01L41/083 , H02N2/04 , H01S4/00
CPC分类号： H01L41/0838 , F02M51/0603 , Y10T29/49002
摘要： A piezoactuator of monolithic multilayer design with an overall stack has at least one piezoelectrically active partial stack with piezoceramic layers arranged one above another and electrode layers arranged between these layers, at least one piezoelectrically inactive terminating region arranged above the partial stack, and at least one transition region arranged between the partial stack and the terminating region. The transition region has piezoceramic layers arranged one above another and electrode layers arranged between the piezoceramic layers and the piezoceramic layers and the electrode layers are arranged on one another such that there the electric fields that can be coupled into the piezoceramic layers are changed by electrical driving of the electrode layers successively in the transition region stack direction from piezoceramic layer to piezoceramic layer, and the partial stack has a safety layer towards the transition region, wherein a crack is preferably formed in the case of mechanical overloading.
摘要翻译：具有整体堆叠的单片多层设计的压电致动器具有至少一个压电活性部分叠层，其中压电陶瓷层布置在另一个之上，并且布置在这些层之间的电极层，至少一个布置在部分叠层之上的压电非活化终止区域，以及至少一个过渡区域布置在部分堆叠和终止区域之间。过渡区域具有一层压电陶瓷层，并且布置在压电陶瓷层和压电陶瓷层之间的电极层彼此排列，使得可以耦合到压电陶瓷层中的电场通过电驱动而改变的电极层在过渡区堆叠方向上连续地从压电陶瓷层到压电陶瓷层，并且部分叠层具有朝向过渡区域的安全层，其中在机械过载的情况下优选形成裂纹。

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