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21. 发明申请

US20120120161A1 PIEZOELECTRIC ELEMENT, LIQUID EJECTING HEAD, AND LIQUID EJECTING APPARATUS 有权
标题翻译：压电元件，液体喷射头和液体喷射装置
公开(公告)号：US20120120161A1
公开(公告)日：2012-05-17
申请号：US13295326
申请日：2011-11-14
申请人： Tomohiro SAKAI , Koichi MOROZUMI , Tsutomu ASAKAWA
发明人： Tomohiro SAKAI , Koichi MOROZUMI , Tsutomu ASAKAWA
IPC分类号： B41J2/045 , H01L41/16
CPC分类号： H01L41/0815 , B41J2/055 , B41J2/14233 , B41J2/161 , B41J2/1628 , B41J2/1629 , B41J2/1634 , B41J2/1642 , B41J2/1645 , B41J2/1646 , B41J2002/14241 , B41J2002/14258 , B41J2002/14419 , H01L41/1878 , H01L41/318
摘要： A piezoelectric element comprises a electrode and a piezoelectric layer made of a complex oxide having a perovskite structure containing at least bismuth, barium, iron, and titanium. A layered compound containing iron, barium, titanium and oxygen is formed between the piezoelectric layer and the electrode.
摘要翻译：压电元件包括电极和由具有至少含有铋，钡，铁和钛的钙钛矿结构的复合氧化物制成的压电层。在压电层和电极之间形成含铁，钡，钛和氧的层状化合物。

22. 发明授权

US08083330B2 Liquid-ejecting head, liquid-ejecting apparatus, and piezoelectric transducer 有权
标题翻译：液体喷射头，液体喷射装置和压电换能器
公开(公告)号：US08083330B2
公开(公告)日：2011-12-27
申请号：US12509888
申请日：2009-07-27
申请人： Koichi Morozumi , Jiro Kato , Satoshi Denda , Ichiro Asaoka
发明人： Koichi Morozumi , Jiro Kato , Satoshi Denda , Ichiro Asaoka
IPC分类号： B41J2/045 , B05C11/00 , B05D5/00
CPC分类号： B41J2/14233 , B41J2002/14241 , B41J2002/14419 , B41J2002/14491 , B41J2202/03
摘要： A liquid-ejecting head includes a pressure-generating chamber communicatively connected to a nozzle opening and also includes a piezoelectric transducer including a first electrode, a piezoelectric layer disposed on the first electrode, and a second electrode disposed on the piezoelectric layer. The first electrode contains platinum and titanium oxide with a rutile content of 76.5 to 100 mole percent.
摘要翻译：液体喷射头包括通气连接到喷嘴开口的压力发生室，并且还包括压电换能器，其包括第一电极，设置在第一电极上的压电层和设置在压电层上的第二电极。第一电极含有金红石含量为76.5-100摩尔％的铂和氧化钛。

23. 发明授权

US08079677B2 Liquid ejecting head, liquid ejecting apparatus, and piezoelectric actuator 有权
标题翻译：液体喷射头，液体喷射装置和压电致动器
公开(公告)号：US08079677B2
公开(公告)日：2011-12-20
申请号：US12501740
申请日：2009-07-13
申请人： Koichi Morozumi , Jiro Kato , Satoshi Denda , Ichiro Asaoka
发明人： Koichi Morozumi , Jiro Kato , Satoshi Denda , Ichiro Asaoka
IPC分类号： B41J2/045 , H01L41/00
CPC分类号： B41J2/14233 , H01L41/047 , H01L41/0973
摘要： A liquid ejecting head includes a pressure generating chamber that is communicated with a nozzle opening and a piezoelectric element includes a first electrode formed above the pressure generating chamber, a piezoelectric layer formed above the first electrode, and a second electrode formed above the piezoelectric layer. In addition, an amorphous layer including an amorphous material is formed on a surface of the piezoelectric layer at the second electrode side.
摘要翻译：液体喷射头包括与喷嘴开口连通的压力发生室，压电元件包括形成在压力发生室上方的第一电极，形成在第一电极上方的压电层和形成在压电层上方的第二电极。此外，在第二电极侧的压电层的表面上形成包括非晶材料的非晶层。

24. 发明授权

US07992973B2 Liquid ejecting head, liquid ejecting apparatus, and piezoelectric element 有权
标题翻译：液体喷射头，液体喷射装置和压电元件
公开(公告)号：US07992973B2
公开(公告)日：2011-08-09
申请号：US12501714
申请日：2009-07-13
申请人： Koichi Morozumi , Jiro Kato , Satoshi Denda , Ichiro Asaoka
发明人： Koichi Morozumi , Jiro Kato , Satoshi Denda , Ichiro Asaoka
IPC分类号： B41J2/045
CPC分类号： B41J2/14233 , B41J2202/03
摘要： A liquid ejecting head includes a pressure generating chamber communicating with a nozzle opening, and a piezoelectric element generating a pressure change in the pressure generating chamber. In this liquid ejecting head, the piezoelectric element includes a first electrode, a piezoelectric layer provided above the first electrode, and a second electrode provided above the piezoelectric layer at a side opposite to the first electrode. The first electrode has a diffusion-preventing layer containing iridium oxide as a primary component, and the diffusion-preventing layer has stress relieving holes that pass through in the thickness direction thereof and that is filled with a material other than iridium oxide.
摘要翻译：液体喷射头包括与喷嘴开口连通的压力产生室和在压力发生室中产生压力变化的压电元件。在该液体喷射头中，压电元件包括第一电极，设置在第一电极上方的压电层，以及设置在与第一电极相对的一侧的压电层上方的第二电极。第一电极具有含有氧化铱作为主要成分的扩散防止层，并且防扩散层具有在其厚度方向上通过并且填充有氧化铱之外的材料的应力消除孔。

25. 发明申请

US20100020135A1 LIQUID-EJECTING HEAD, LIQUID-EJECTING APPARATUS, AND PIEZOELECTRIC TRANSDUCER 有权
标题翻译：液体喷射头，液体喷射装置和压电传感器
公开(公告)号：US20100020135A1
公开(公告)日：2010-01-28
申请号：US12509888
申请日：2009-07-27
申请人： Koichi MOROZUMI , Jiro KATO , Satoshi DENDA , Ichiro ASAOKA
发明人： Koichi MOROZUMI , Jiro KATO , Satoshi DENDA , Ichiro ASAOKA
IPC分类号： B41J2/045
CPC分类号： B41J2/14233 , B41J2002/14241 , B41J2002/14419 , B41J2002/14491 , B41J2202/03
摘要： A liquid-ejecting head includes a pressure-generating chamber communicatively connected to a nozzle opening and also includes a piezoelectric transducer including a first electrode, a piezoelectric layer disposed on the first electrode, and a second electrode disposed on the piezoelectric layer. The first electrode contains platinum and titanium oxide with a rutile content of 76.5 to 100 mole percent.
摘要翻译：液体喷射头包括通气连接到喷嘴开口的压力发生室，并且还包括压电换能器，其包括第一电极，设置在第一电极上的压电层和设置在压电层上的第二电极。第一电极含有金红石含量为76.5-100摩尔％的铂和氧化钛。

26. 发明申请

US20100007706A1 LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT 有权
标题翻译：液体喷射头，液体喷射装置和压电元件
公开(公告)号：US20100007706A1
公开(公告)日：2010-01-14
申请号：US12501714
申请日：2009-07-13
申请人： Koichi MOROZUMI , Jiro KATO , Satoshi DENDA , Ichiro ASAOKA
发明人： Koichi MOROZUMI , Jiro KATO , Satoshi DENDA , Ichiro ASAOKA
IPC分类号： B41J2/045
CPC分类号： B41J2/14233 , B41J2202/03
摘要： A liquid ejecting head includes a pressure generating chamber communicating with a nozzle opening, and a piezoelectric element generating a pressure change in the pressure generating chamber. In this liquid ejecting head, the piezoelectric element includes a first electrode, a piezoelectric layer provided above the first electrode, and a second electrode provided above the piezoelectric layer at a side opposite to the first electrode. The first electrode has a diffusion-preventing layer containing iridium oxide as a primary component, and the diffusion-preventing layer has stress relieving holes that pass through in the thickness direction thereof and that is filled with a material other than iridium oxide.
摘要翻译：液体喷射头包括与喷嘴开口连通的压力产生室和在压力发生室中产生压力变化的压电元件。在该液体喷射头中，压电元件包括第一电极，设置在第一电极上方的压电层，以及设置在与第一电极相对的一侧的压电层上方的第二电极。第一电极具有含有氧化铱作为主要成分的扩散防止层，并且防扩散层具有在其厚度方向上通过并且填充有氧化铱之外的材料的应力消除孔。

27. 发明授权

US08608297B2 Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus 有权
标题翻译：压电元件，液体喷射头和液体喷射装置
公开(公告)号：US08608297B2
公开(公告)日：2013-12-17
申请号：US13352494
申请日：2012-01-18
申请人： Hiromu Miyazawa , Takayuki Yonemura , Koichi Morozumi
发明人： Hiromu Miyazawa , Takayuki Yonemura , Koichi Morozumi
IPC分类号： B41J2/045 , H01L41/04 , H01L41/18 , H01L41/187 , C04B35/495 , C04B35/00
CPC分类号： B41J2/055 , B41J2/14233 , B41J2/161 , B41J2/1623 , B41J2/1628 , B41J2/1629 , B41J2/1634 , B41J2/1642 , B41J2/1645 , B41J2/1646 , B41J2002/14241 , B41J2202/03 , H01L41/0805 , H01L41/1871 , H01L41/1878 , H01L41/318
摘要： A piezoelectric element comprises a piezoelectric layer consisting a complex oxide having a perovskite structure containing bismuth and iron and electrodes provided to the piezoelectric layer. The complex oxide further contains a first dopant element that is at least one of magnesium and zinc and a second dopant element that is cerium.
摘要翻译：压电元件包括由包含铋和铁的钙钛矿结构的复合氧化物和设置在压电层上的电极组成的压电层。复合氧化物还含有镁和锌中的至少一种的第一掺杂剂元素和作为铈的第二掺杂元素。

28. 发明授权

US08376527B2 Liquid ejecting head and liquid ejecting apparatus 有权
标题翻译：液体喷头和液体喷射装置
公开(公告)号：US08376527B2
公开(公告)日：2013-02-19
申请号：US12983459
申请日：2011-01-03
申请人： Jiro Kato , Toshiki Hara , Hiroaki Tamura , Satoshi Denda , Koichi Morozumi
发明人： Jiro Kato , Toshiki Hara , Hiroaki Tamura , Satoshi Denda , Koichi Morozumi
IPC分类号： B41J2/045
CPC分类号： H01L41/187 , B41J2/14233 , B41J2202/03
摘要： A piezoelectric element comprising a first electrode, a piezoelectric layer which is composed of a metal oxide containing lead, zirconium and titanium and which formed above the first electrode, and a second electrode formed above the piezoelectric layer. The piezoelectric layer has negatively charged Pb—O complex defects and positively charged Pb—O complex defects, the concentration of the negatively charged Pb—O complex defects being higher than the concentration of the positively charged Pb—O complex defects.
摘要翻译：一种压电元件，包括第一电极，由含有铅，锆和钛的金属氧化物构成的并且形成在第一电极上方的压电层，以及形成在压电层上方的第二电极。压电层具有带负电荷的Pb-O复合缺陷和带正电的Pb-O复合缺陷，带负电荷的Pb-O复合缺陷的浓度高于带正电荷的Pb-O复合物缺陷的浓度。

29. 发明申请

US20120069103A1 LIQUID-EJECTING HEAD, LIQUID-EJECTING APPARATUS, AND PIEZOELECTRIC TRANSDUCER 有权
标题翻译：液体喷射头，液体喷射装置和压电传感器
公开(公告)号：US20120069103A1
公开(公告)日：2012-03-22
申请号：US13307162
申请日：2011-11-30
申请人： Koichi MOROZUMI , Jiro KATO , Satoshi DENDA , Ichiro ASAOKA
发明人： Koichi MOROZUMI , Jiro KATO , Satoshi DENDA , Ichiro ASAOKA
IPC分类号： B41J2/045 , H01L41/047
CPC分类号： B41J2/14233 , B41J2002/14241 , B41J2002/14419 , B41J2002/14491 , B41J2202/03
摘要： A liquid-ejecting head includes a pressure-generating chamber communicatively connected to a nozzle opening and also includes a piezoelectric transducer including a first electrode, a piezoelectric layer disposed on the first electrode, and a second electrode disposed on the piezoelectric layer. The first electrode contains platinum and titanium oxide with a rutile content of 76.5 to 100 mole percent.
摘要翻译：液体喷射头包括通气连接到喷嘴开口的压力发生室，并且还包括压电换能器，其包括第一电极，设置在第一电极上的压电层和设置在压电层上的第二电极。第一电极含有金红石含量为76.5-100摩尔％的铂和二氧化钛。

30. 发明申请

US20110063377A1 PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, LIQUID EJECTING HEAD, AND LIQUID EJECTING APPARATUS 有权
标题翻译：压电元件，压电致动器，液体喷射头和液体喷射装置
公开(公告)号：US20110063377A1
公开(公告)日：2011-03-17
申请号：US12880295
申请日：2010-09-13
申请人： Koichi MOROZUMI , Toshiki HARA , Jiro KATO , Satoshi DENDA
发明人： Koichi MOROZUMI , Toshiki HARA , Jiro KATO , Satoshi DENDA
IPC分类号： B41J2/045 , H01L41/18
CPC分类号： B41J2/14233 , H01L41/1876
摘要： A piezoelectric element includes a first conductive layer, a second conductive layer facing the first conductive layer, and a piezoelectric layer between the first and second conductive layers, composed of a compound oxide containing at least lead, zirconium, titanium, and oxygen. The piezoelectric layer includes a first crystal layer on the first conductive layer side of the piezoelectric layer and a second crystal layer continued from the first crystal layer, nearer to the second conductive layer side than the first crystal layer. In the piezoelectric layer, the lead concentration in the first conductive layer side of the first crystal layer is lower than that in the second conductive layer side of the second crystal layer. In the piezoelectric layer, the oxygen concentration in the first conductive layer side of the first crystal layer is higher than that in the second conductive layer side of the second crystal layer.
摘要翻译：压电元件包括第一导电层，与第一导电层相对的第二导电层，以及由至少含有铅，锆，钛和氧的复合氧化物构成的第一和第二导电层之间的压电层。压电层包括在压电层的第一导电层侧上的第一晶体层和从第一晶体层延续的第二晶体层，比第一晶体层更靠近第二导电层侧。在压电层中，第一晶体层的第一导电层侧的引线浓度低于第二晶体层的第二导电层侧的引线浓度。在压电层中，第一结晶层的第一导电层侧的氧浓度高于第二结晶层的第二导电层侧的氧浓度。

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