公开(公告)号：US09356222B2

公开(公告)日：2016-05-31

申请号：US14496382

申请日：2014-09-25

Applicant: Seiko Epson Corporation

Inventor： Tomohiro Sakai

IPC: B41J2/045 ,  H01L41/053 ,  H01L41/187 ,  B41J2/14 ,  H01L41/08 ,  H01L41/318 ,  H01L41/319 ,  B41J2/16

CPC classification number: H01L41/053 ,  B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1629 ,  B41J2/1642 ,  B41J2/1645 ,  B41J2/1646 ,  B41J2002/14241 ,  B41J2002/14419 ,  B41J2002/14491 ,  H01L41/0815 ,  H01L41/1878 ,  H01L41/318 ,  H01L41/319

Abstract: A piezoelectric element which includes an adhesion layer made of composite oxide having perovskite structure including at least one of bismuth, manganese, iron, and titanium; a first electrode provided on the adhesion layer and made of metal preferentially oriented in a (100) face; a piezoelectric body layer provided on the first electrode and made of composite oxide having perovskite structure preferentially oriented in the (100) face; and a second electrode provided on the piezoelectric body layer.

Abstract translation: 一种压电元件，其包括由具有包括铋，锰，铁和钛中的至少一种的钙钛矿结构的复合氧化物制成的粘合层; 设置在所述粘合层上并由（100）面优先取向的金属制成的第一电极; 压电体层，设置在所述第一电极上，并且由在（100）面中优先取向的钙钛矿结构的复合氧化物构成; 以及设置在压电体层上的第二电极。

公开(公告)号：US09346270B2

公开(公告)日：2016-05-24

申请号：US14835219

申请日：2015-08-25

Applicant: SEIKO EPSON CORPORATION

Inventor： Motoki Takabe ,  Eiju Hirai ,  Yoichi Naganuma ,  Shunya Fukuda ,  Akira Miyagishi

IPC: B41J2/045 ,  B41J2/14

CPC classification number: B41J2/14233 ,  B41J2002/14241 ,  B41J2202/11

Abstract: A liquid ejecting head includes a pressure chamber substrate where a plurality of spaces to be a pressure chamber along a Y direction are formed in an X direction, a vibration plate that seals the space by being stacked in the pressure chamber substrate, and a piezoelectric element and a supporting unit that are stacked in the vibration plate on an opposite side to the pressure chamber substrate, in which positions at one end in the Y direction are different from each other in a first space and a second space among the plurality of spaces, and the supporting unit suppresses a vibration of the vibration plate by being formed so as to overlap with at least the one end side portion in the first space in a planar view.

Abstract translation: 液体喷射头包括压力室基板，其中沿着Y方向成为压力室的多个空间在X方向上形成，振动板通过堆叠在压力室基板中而密封空间;以及压电元件 以及支撑单元，其在与所述压力室基板相反的一侧的所述振动板上堆叠，所述多个空间中的第一空间和第二空间中的Y方向上的一端的位置彼此不同， 并且支撑单元通过在平面图中形成为与第一空间中的至少一个端部侧部重叠而抑制振动板的振动。

公开(公告)号：US09324933B2

公开(公告)日：2016-04-26

申请号：US14226144

申请日：2014-03-26

Applicant: Seiko Epson Corporation

Inventor： Koji Sumi ,  Kazuya Kitada ,  Tomohiro Sakai ,  Yasuaki Hamada ,  Tetsuya Isshiki ,  Satoshi Kimura ,  Akio Ito ,  Tsuneo Handa

IPC: B41J2/045 ,  H01L41/18 ,  B41J2/14 ,  C04B35/495 ,  H01L41/187 ,  G01H11/08 ,  H01L41/047 ,  H02N2/00 ,  B41J2/055 ,  C04B35/468 ,  H02N2/18

CPC classification number: H01L41/183 ,  B41J2/055 ,  B41J2/14201 ,  B41J2/14233 ,  B41J2002/14241 ,  B41J2202/03 ,  C04B35/4682 ,  C04B35/495 ,  C04B2235/3201 ,  C04B2235/3203 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3236 ,  C04B2235/3244 ,  C04B2235/3249 ,  C04B2235/3255 ,  C04B2235/3262 ,  C04B2235/3274 ,  C04B2235/3293 ,  C04B2235/3298 ,  C04B2235/441 ,  C04B2235/768 ,  C04B2237/76 ,  C04B2237/765 ,  G01H11/08 ,  H01L41/047 ,  H01L41/187 ,  H01L41/1871 ,  H01L41/1873 ,  H01L41/1878 ,  H02N2/001 ,  H02N2/186

Abstract: A piezoelectric material contains a first component that is a rhombohedral crystal and that is configured to have a complex oxide with a perovskite structure and Curie temperature Tc1, a second component that is a crystal other than a rhombohedral crystal and that is configured to have a complex oxide with a perovskite structure and Curie temperature e Tc2, and a third component that is a rhombohedral crystal and that is configured to have a complex oxide with a perovskite structure and Curie temperature Tc3 different from the first component, and in which Tc2 is higher than Tc1, Tc3 is equal to or higher than Tc2, and a value of (0.1×Tc1+0.9×Tc2) is equal to or lower than 280° C.

Abstract translation: 压电材料包含第一组分，其是菱方晶体，并且被配置为具有钙钛矿结构的复合氧化物和居里温度Tc1，第二组分是除了菱方晶之外的晶体，并且被配置为具有复合物 具有钙钛矿结构和居里温度e Tc2的氧化物和作为菱方晶的第三成分，并且被配置为具有与第一成分不同的钙钛矿结构和居里温度Tc3的复合氧化物，并且其中Tc2高于 Tc1，Tc3等于或高于Tc2，（0.1×Tc1 + 0.9×Tc2）的值等于或低于280℃。

公开(公告)号：US09302481B2

公开(公告)日：2016-04-05

申请号：US14141039

申请日：2013-12-26

Applicant: SEIKO EPSON CORPORATION

Inventor： Kei Tadachi ,  Katsuhiro Takahashi

IPC: B41J2/015 ,  B41J2/14 ,  B41J2/055 ,  B41J2/16

CPC classification number: B41J2/1433 ,  B41J2/055 ,  B41J2/14233 ,  B41J2/1606 ,  B41J2/1646 ,  B41J2002/14241

Abstract: A silicon nozzle plate has excellent liquid resistance on an inner surface of a nozzle opening and a discharge surface. A plurality of the nozzle openings are disposed in a silicon substrate of the nozzle plate. A tantalum oxide film formed by atomic layer deposition is disposed on both surfaces of the silicon substrate and the inner surface of the nozzle opening.

公开(公告)号：US20160089879A1

公开(公告)日：2016-03-31

申请号：US14873017

申请日：2015-10-01

Applicant: FUJIFILM Corporation

Inventor： Hisayuki TANAKA

IPC: B41J2/045

CPC classification number: B41J2/04541 ,  B41J2/04581 ,  B41J2/04586 ,  B41J2/14233 ,  B41J2/155 ,  B41J2/18 ,  B41J2002/14241 ,  B41J2002/14266 ,  B41J2002/14459 ,  B41J2002/14491 ,  B41J2202/12 ,  B41J2202/20

Abstract: A liquid ejection head driving system includes an ink jet head, a driving circuit substrate provided with a driving circuit in which a driving signal is generated, a driving signal wiring that branches an output of the driving circuit into two or more systems, and a plurality of connectors that extract the driving signal wiring for each system, and a flexible flat substrate (FFC) in which a connector connected to a connector of the driving circuit substrate is installed, a driving signal pattern for transmitting the driving signal for each system is formed on a first layer, and a reference potential pattern is formed on a second layer. The driving circuit substrate is configured such that the same number of connectors as the number of wiring substrates are mounted at a position where a direction of insertion and extraction of the connector of the FFC is released.

Abstract translation: 液体喷射头驱动系统包括喷墨头，设置有驱动电路的驱动电路基板，其中产生驱动信号，将驱动电路的输出分支为两个或更多个系统的驱动信号布线，以及多个 提供用于每个系统的驱动信号布线的连接器，以及安装有连接到驱动电路基板的连接器的连接器的柔性平坦基板（FFC），形成用于传输每个系统的驱动信号的驱动信号模式 并且在第二层上形成参考电位图案。 驱动电路基板被构造为使得与布线基板的数量相同数量的连接器被安装在FFC的连接器的插入和拔出方向被释放的位置处。

公开(公告)号：US20160072039A1

公开(公告)日：2016-03-10

申请号：US14843987

申请日：2015-09-02

Applicant: ROHM CO., LTD.

Inventor： Kunio IIDA

IPC: H01L41/047 ,  B41J2/14 ,  H01L41/297

CPC classification number: H01L41/047 ,  B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2/1631 ,  B41J2/1646 ,  B41J2002/14241 ,  B41J2002/14491 ,  H01L41/0973 ,  H01L41/29

Abstract: An inkjet printing head 1 includes a pressure chamber (cavity) 5, a movable film 10A defining a top surface portion of the pressure chamber 5, and a piezoelectric element 9 disposed above the movable film 10A. The piezoelectric element 9 includes a lower electrode 11 formed above the movable film 10A, a piezoelectric film 12 formed above the lower electrode 11, and an upper electrode 13 formed above the piezoelectric film 12. One end portion of an upper wiring 17 is connected to an upper surface of the upper electrode 13. The upper wiring 17 extends from above the upper electrode 13, crosses an outer edge of the pressure chamber 5, and extends outside the pressure chamber 5. The piezoelectric film 12 has an active portion 12A with an upper surface in contact with a lower surface of the upper electrode 13 and an inactive portion 12B extending along a lower surface of the upper wiring 17 from one end portion of the active portion 12A to outside the pressure chamber 5.

Abstract translation: 喷墨打印头1包括压力室（空腔）5，限定压力室5的顶面部分的可动膜10A和设置在可动膜10A上方的压电元件9。 压电元件9包括形成在可移动膜10A上的下电极11，形成在下电极11上的压电膜12和形成在压电膜12上的上电极13.上布线17的一端部连接到 上电极13的上表面。上布线17从上电极13的上方延伸，与压力室5的外边缘相交，并延伸到压力室5的外部。压电膜12具有有源部分12A， 与上部电极13的下表面接触的上表面和从上部布线17的下表面延伸的非活性部分12B从活性部分12A的一个端部到压力室5的外部。

公开(公告)号：US09266327B2

公开(公告)日：2016-02-23

申请号：US14627845

申请日：2015-02-20

Applicant: SEIKO EPSON CORPORATION

Inventor： Eiju Hirai ,  Shiro Yazaki ,  Motoki Takabe ,  Yuma Fukuzawa

IPC: B41J2/045 ,  B41J2/14

CPC classification number: B41J2/14233 ,  B41J2002/14241 ,  B41J2002/14266 ,  B41J2002/14459 ,  B41J2002/14491

Abstract: A liquid ejecting head includes a pressure chamber forming substrate in which a plurality of spaces to be pressure chambers in communication with nozzles are provided side by side in a nozzle column direction, in which in a region corresponding to the pressure chamber, a lower electrode film is formed with a width of 50% or more and 80% or less of a width of the pressure chamber in the nozzle column direction and the piezoelectric body layer covers the lower electrode film in the nozzle column direction and is formed with a width of 90% or less of the width of the pressure chamber.

Abstract translation: 液体喷射头包括：压力室形成基板，其中与喷嘴连通的作为压力室的多个空间在喷嘴列方向上并排设置，在与该压力室对应的区域中，下部电极膜 形成为压缩室在喷嘴列方向的宽度的50％以上且80％以下的宽度，压电体层在喷嘴列方向上覆盖下电极膜，形成为宽度为90 压力室宽度的％以下。

公开(公告)号：US09254657B1

公开(公告)日：2016-02-09

申请号：US14838638

申请日：2015-08-28

Applicant: SEIKO EPSON CORPORATION

Inventor： Motoki Takabe ,  Koji Asada ,  Hidemichi Furihata ,  Hiroyasu Asakawa

IPC: B41J2/045 ,  B41J2/14

CPC classification number: B41J2/14233 ,  B41J2/14201 ,  B41J2/161 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2002/14241 ,  B41J2002/14419 ,  B41J2202/11

Abstract: An inclined plane which inclines toward a lower plane of a ceiling portion, that is, the lower plane of a communication substrate from a ceiling plane of a second liquid chamber is formed in the second liquid chamber of the communication substrate. Therefore, an individual communication opening is formed, in a state of penetrating the communication substrate from the inclined plane. One end (lower end) of the individual communication opening communicates with the second liquid chamber by being open onto the inclined plane, and the other end (upper end) of the individual communication opening individually communicates with a pressure chamber of a pressure chamber forming substrate by being open onto an upper plane of the communication substrate. When a thickness of the communication substrate is referred to as T, a length of the individual communication opening is referred to as L, and a substantial depth of the second liquid chamber is referred to as D, the dimensions are configured so as to be L+D>T.

Abstract translation: 在连通基板的第二液体室中形成有倾斜平面，该倾斜平面朝向顶部的下平面倾斜，即连通基板的从第二液体室的顶板的下平面。 因此，在从倾斜面穿透连通基板的状态下，形成个体通信开口。 单个连通开口的一端（下端）通过打开到倾斜平面而与第二液体室连通，并且各个连通口的另一端（上端）分别与压力室形成基板的压力室连通 通过打开到通信基板的上平面。 当通信基板的厚度被称为T时，单个连通开口的长度被称为L，并且第二液体室的实质深度被称为D，尺寸被配置为L + D> T。

公开(公告)号：US20160027988A1

公开(公告)日：2016-01-28

申请号：US14810078

申请日：2015-07-27

Applicant: ROHM CO., LTD.

Inventor： Takaya NAGAHATA

IPC: H01L41/047 ,  B41J2/14 ,  H01L41/09

CPC classification number: B41J2/04581 ,  B41J2/04541 ,  B41J2/14032 ,  B41J2/1404 ,  B41J2/14233 ,  B41J2/161 ,  B41J2/1645 ,  B41J2/1646 ,  B41J2/17596 ,  B41J2002/14241 ,  B41J2002/14306 ,  B41J2002/14491 ,  B41J2202/03 ,  B41J2202/05 ,  B41J2202/07 ,  B41J2202/13 ,  B41J2202/22 ,  H01L41/0472 ,  H01L41/0475 ,  H01L41/0533 ,  H01L41/0815 ,  H01L41/083 ,  H01L41/0973 ,  H01L41/187 ,  H01L41/1876 ,  H01L41/27 ,  H01L41/318 ,  H01L41/319 ,  H01L41/33

Abstract: An inkjet head includes a substrate that defines a cavity in which ink is stored, a vibrating membrane that is supported by the substrate and that defines the cavity, and a piezoelectric device that is disposed on the vibrating membrane and that changes a volume of the cavity by displacing the vibrating membrane. The piezoelectric device includes a lower electrode, a piezoelectric membrane that is disposed on the lower electrode, and an upper electrode that is disposed on the piezoelectric membrane and that faces the lower electrode with the piezoelectric membrane interposed between the upper electrode and the lower electrode. The piezoelectric membrane includes a columnar structure layer and an amorphous structure layer of a piezoelectric material. The amorphous structure layer is stacked contiguously with the columnar structure layer.

Abstract translation: 喷墨头包括限定油墨存储的空腔的基板，由基板支撑并限定空腔的振动膜，以及设置在振动膜上并改变空腔体积的压电装置 通过移动振动膜。 该压电装置包括下电极，设置在下电极上的压电膜和设置在压电膜上的上电极，并且压电膜插入在上电极和下电极之间。 压电膜包括柱状结构层和压电材料的非晶结构层。 非晶结构层与柱状结构层相邻地堆叠。

公开(公告)号：US20160023465A1

公开(公告)日：2016-01-28

申请号：US14750627

申请日：2015-06-25

Applicant: Keisuke Hayashi

Inventor： Keisuke Hayashi

IPC: B41J2/14 ,  B41J29/393

CPC classification number: B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2/1631 ,  B41J2/1642 ,  B41J2/1645 ,  B41J2/1646 ,  B41J29/393 ,  B41J2002/14241 ,  B41J2002/14491

Abstract: A liquid droplet discharge head includes a nozzle substrate; nozzles, disposed on the nozzle substrate, to discharge a liquid; a pressurized liquid chamber that communicates with the nozzles; a diaphragm forming one wall of the pressurized liquid chamber; an electromechanical transducer element for discharging, disposed on an element mount surface of the diaphragm opposite a side facing the pressurized liquid chamber; and a retainer substrate laminated to the element mount surface of the diaphragm with an adhesive. The subject head is configured to discharge a liquid inside the pressurized liquid chamber from the nozzles while the diaphragm is displaced by a drive voltage applied to the electromechanical transducer element for discharging, and the liquid droplet discharge head further comprising an electromechanical transducer element for inspection that does not perform discharging, disposed on the element mount surface of the diaphragm, to which a voltage is applied so that the diaphragm displaces.

Abstract translation: 液滴喷射头包括喷嘴基板; 喷嘴，设置在喷嘴基板上，以排出液体; 与喷嘴连通的加压液体室; 形成加压液体室的一个壁的隔膜; 用于排放的机电换能器元件，设置在所述隔膜的与所述加压液体室相对的一侧的元件安装表面上; 以及用粘合剂层压到隔膜的元件安装表面的保持器基板。 被摄体头被配置为在通过施加到机电换能器元件进行排放的驱动电压使隔膜移位时，从喷嘴排出加压液体室内的液体，液滴排出头还包括用于检查的机电换能器元件 不施加放电，设置在施加了电压的膜片的元件安装面上，使得隔膜移位。