公开(公告)号：US09812633B2

公开(公告)日：2017-11-07

申请号：US14402659

申请日：2013-05-16

申请人： KONICA MINOLTA, INC.

发明人： Hisashi Minemoto ,  Satoshi Wada

IPC分类号： H01L41/187 ,  H01L41/193 ,  C04B35/462 ,  H01L41/43 ,  C04B35/26 ,  C04B35/475 ,  H01L41/18 ,  H01L41/37 ,  A61B8/00

CPC分类号： H01L41/1878 ,  A61B8/4444 ,  A61B8/4483 ,  A61B8/4494 ,  C04B35/26 ,  C04B35/462 ,  C04B35/475 ,  C04B2235/3201 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3234 ,  C04B2235/3236 ,  C04B2235/3239 ,  C04B2235/3251 ,  C04B2235/3258 ,  C04B2235/3262 ,  C04B2235/3274 ,  C04B2235/3275 ,  C04B2235/3279 ,  C04B2235/3287 ,  C04B2235/3298 ,  C04B2235/3418 ,  H01L41/18 ,  H01L41/37 ,  H01L41/43 ,  Y10T29/42

摘要： The present invention is a piezoelectric composition and a piezoelectric element using the piezoelectric composition, the composition being characterized by: having a Perovskite structure represented by general formula ABO3; being represented by composition formula x(Bi0.5K0.5)TiO3-yBi(Mg0.5Ti0.5)O3-zBiFeO3, x+y+z=1 in the composition formula above; and in a triangular coordinate using x, y and z in the composition formula above, having a composition represented by a region which is surrounded by a pentagon ABCDE with apexes of point A (1, 0, 0), point B (0.7, 0.3, 0), point C (0.1, 0.3, 0.6), point D (0.1, 0.1, 0.8) and point E (0.2, 0, 0.8) and which does not include the line segment AE that connects point A (1, 0, 0) and point E (0.2, 0, 0.8).

公开(公告)号：US09793464B2

公开(公告)日：2017-10-17

申请号：US15288056

申请日：2016-10-07

申请人： YOUTEC CO., LTD.

发明人： Takeshi Kijima ,  Yuuji Honda

IPC分类号： B05D5/00 ,  H01L41/08 ,  H01L41/187 ,  H01L41/318 ,  B05D1/00 ,  B05D3/02 ,  B05D7/00

CPC分类号： H01L41/0815 ,  B05D1/005 ,  B05D3/0254 ,  B05D5/00 ,  B05D7/54 ,  H01L41/187 ,  H01L41/1873 ,  H01L41/1878 ,  H01L41/318 ,  Y10T428/26

摘要： To produce a ferroelectric film formed of a lead-free material. The ferroelectric film according to an aspect of the present invention includes a (K1-XNaX)NbO3 film or a BiFeO3 film having a perovskite structure and a crystalline oxide preferentially oriented to (001) formed on at least one of the upper side and lower side of the (K1-XNaX)NbO3 film or BiFeO3 film, and X satisfies the formula below 0.3≦X≦0.7.

公开(公告)号：US09780295B2

公开(公告)日：2017-10-03

申请号：US14759569

申请日：2013-01-28

申请人： Hewlett-Packard Development Company, L.P.

发明人： Eric Andrew Patterson ,  David Cann ,  Peter Mardilovich

IPC分类号： H01L41/187 ,  C04B35/462 ,  C04B35/475 ,  C04B35/465 ,  C04B35/495 ,  H01L41/09 ,  B41J2/14 ,  C04B35/468

CPC分类号： H01L41/1878 ,  B41J2/14233 ,  B41J2202/03 ,  C04B35/462 ,  C04B35/465 ,  C04B35/4682 ,  C04B35/475 ,  C04B35/495 ,  C04B2235/3201 ,  C04B2235/3206 ,  C04B2235/3234 ,  C04B2235/3251 ,  C04B2235/3275 ,  C04B2235/3298 ,  H01L41/0973 ,  H01L41/1873

摘要： A lead-free piezoelectric ceramic material has the general chemical formula xBiCoO3-y(Bi0.5Na0.5)TiO3-z(Bi0.5K0.5)TiO3, xBiCoO3-y(Bi0.5Na0.5)TiO3-zNaN-bO3, xBiCoO3-y(Bi0.5Na0.5)TiO3-zKNbO3, xBiCoO3-yBi(Mg0.5Ti0.5)O3-z(Bi0.5Na0.5)TiO3, xBiCoO3-yBa-TiO3-z(Bi0.5Na0.5)TiO3, or xBiCoO3-yNaNbO3-zKNbO3; wherein x+y+z=1, and x, y, z≠0.

公开(公告)号：US09496485B2

公开(公告)日：2016-11-15

申请号：US14730481

申请日：2015-06-04

申请人： Seiko Epson Corporation

发明人： Tetsuya Isshiki

IPC分类号： B41J2/045 ,  H01L41/187 ,  B41J2/14 ,  B41J2/16 ,  H01L41/08 ,  H01L41/09 ,  H01L41/318

CPC分类号： H01L41/1878 ,  B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2/1635 ,  B41J2/1642 ,  B41J2/1646 ,  B41J2002/14241 ,  B41J2002/14419 ,  B41J2002/14491 ,  H01L41/0815 ,  H01L41/0973 ,  H01L41/318

摘要： A piezoelectric material is expressed as a mixed crystal including a complex oxide having a perovskite structure and a rhombohedral structure and a complex oxide having a perovskite structure and a tetragonal structure, and the molar ratio of the complex oxide having a rhombohedral structure to the complex oxide having a tetragonal structure (rhombohedral crystal/tetragonal crystal) is 0.54 to less than 1.20.

摘要翻译： 压电材料表示为包括具有钙钛矿结构和菱面体结构的复合氧化物和具有钙钛矿结构和四方结构的复合氧化物的混合晶体，并且具有菱面体结构的复合氧化物与复合氧化物的摩尔比 具有四方结构（菱方晶/四方晶）为0.54至小于1.20。

公开(公告)号：US09385299B2

公开(公告)日：2016-07-05

申请号：US14550308

申请日：2014-11-21

申请人： SEIKO EPSON CORPORATION

发明人： Takayuki Yonemura ,  Masahisa Nawano ,  Akio Konishi

IPC分类号： B41J2/045 ,  H01L41/09 ,  H01L41/187 ,  B41J2/14

CPC分类号： H01L41/0973 ,  B41J2/14233 ,  B41J2202/03 ,  H01L41/1878

摘要： Provided is a piezoelectric element comprising a first electrode; a piezoelectric body layer provided on the first electrode, the piezoelectric body layer including 50 mol % or more of at least bismuth and iron, and the piezoelectric body layer having a current density-time curve obtained by applying a voltage to the first electrode and the second electrode including a plurality of inflection points; and a second electrode provided on the piezoelectric body layer.

摘要翻译： 提供一种压电元件，包括第一电极; 设置在所述第一电极上的压电体层，所述压电体层至少含有铋和铁的50摩尔％以上，所述压电体层具有通过向所述第一电极施加电压而获得的电流密度 - 时间曲线， 第二电极，包括多个拐点; 以及设置在压电体层上的第二电极。

公开(公告)号：US09356222B2

公开(公告)日：2016-05-31

申请号：US14496382

申请日：2014-09-25

申请人： Seiko Epson Corporation

发明人： Tomohiro Sakai

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

CPC分类号： 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

摘要： 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.

摘要翻译： 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：US09324933B2

公开(公告)日：2016-04-26

申请号：US14226144

申请日：2014-03-26

申请人： Seiko Epson Corporation

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

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

CPC分类号： 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

摘要： 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.

摘要翻译： 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：US09306149B2

公开(公告)日：2016-04-05

申请号：US13993721

申请日：2011-12-22

申请人： Jumpei Hayashi ,  Hisato Yabuta ,  Makoto Kubota ,  Mikio Shimada ,  Satoshi Wada ,  Ichiro Fujii ,  Ryuta Mitsui ,  Nobuhiro Kumada

发明人： Jumpei Hayashi ,  Hisato Yabuta ,  Makoto Kubota ,  Mikio Shimada ,  Satoshi Wada ,  Ichiro Fujii ,  Ryuta Mitsui ,  Nobuhiro Kumada

IPC分类号： H01L41/187 ,  B41J2/14 ,  C04B35/468 ,  G02B27/00 ,  H01L41/09 ,  H02N2/10 ,  H04N5/217 ,  C04B35/26 ,  C04B35/475 ,  C04B35/626 ,  C04B35/632 ,  C04B35/634 ,  C04B35/638 ,  H02N2/16

CPC分类号： H01L41/1871 ,  B41J2/14233 ,  C04B35/26 ,  C04B35/4682 ,  C04B35/475 ,  C04B35/6262 ,  C04B35/6264 ,  C04B35/632 ,  C04B35/63416 ,  C04B35/63444 ,  C04B35/638 ,  C04B2235/3206 ,  C04B2235/3232 ,  C04B2235/3236 ,  C04B2235/3262 ,  C04B2235/3272 ,  C04B2235/3279 ,  C04B2235/3281 ,  C04B2235/3298 ,  C04B2235/442 ,  C04B2235/5445 ,  C04B2235/6025 ,  C04B2235/604 ,  C04B2235/768 ,  C04B2235/77 ,  C04B2235/782 ,  C04B2235/785 ,  C04B2235/786 ,  G02B27/0006 ,  H01L41/09 ,  H01L41/0973 ,  H01L41/1878 ,  H02N2/106 ,  H02N2/163 ,  H04N5/2171

摘要： Provided is a piezoelectric material that achieves both high piezoelectric performance and high Curie temperature. In addition, provided are a piezoelectric element, a liquid discharge head, an ultrasonic motor, and a dust removing device, which use the piezoelectric material. The piezoelectric material includes a perovskite-type metal oxide that is expressed by the following general formula (1): xBaTiO3-yBiFeO3-zBi(M0.5Ti0.5)O3 (1), where M represents at least one type of element selected from the group consisting of Mg and Ni, x satisfies 0.25≦x≦0.75, y satisfies 0.15≦y≦0.70, z satisfies 0.05≦z≦0.60, and x+y+z=1 is satisfied.

摘要翻译： 提供一种能够实现高压电性能和高居里温度的压电材料。 此外，提供了使用压电材料的压电元件，排液头，超声波马达和除尘装置。 压电材料包括由以下通式（1）表示的钙钛矿型金属氧化物：xBaTiO3-yBiFeO3-zBi（M0.5Ti0.5）O3（1），其中M表示至少一种选自 由Mg和Ni组成的组x满足0.25＆nlE; x＆nlE; 0.75，y满足0.15＆nlE; y＆nlE; 0.70，z满足0.05＆nlE; z＆nlE; 0.60，x + y + z = 1。

公开(公告)号：US09257634B2

公开(公告)日：2016-02-09

申请号：US14731847

申请日：2015-06-05

申请人： Seiko Epson Corporation

发明人： Xiaoxing Wang

IPC分类号： B41J2/045 ,  H01L41/187 ,  H01L41/18 ,  B41J2/14 ,  H01L41/09 ,  H01L41/113

CPC分类号： H01L41/1878 ,  B41J2/14233 ,  B41J2202/03 ,  H01L41/09 ,  H01L41/0973 ,  H01L41/1132 ,  H01L41/1138 ,  H01L41/18 ,  H01L41/183 ,  H01L41/1871

摘要： A piezoelectric element 300 includes a first electrode 60, a piezoelectric layer 70 which is provided on the first electrode, and a second electrode 80 which is provided on the piezoelectric layer, and the piezoelectric layer is made of a piezoelectric material expressed as a mixed crystal including a first component formed of a complex oxide containing Bi and Fe and having a rhombohedral perovskite structure and a complex oxide containing Ba and Ti and having a tetragonal perovskite structure, a second component formed of a complex oxide containing Bi, K, and Ti and having a tetragonal perovskite structure, and a third component formed of a complex oxide containing Bi, Mg, and Ti and having a rhombohedral perovskite structure.

摘要翻译： 压电元件300包括第一电极60，设置在第一电极上的压电层70和设置在压电层上的第二电极80，压电层由表示为混合晶体的压电材料制成 包括由包含Bi和Fe并且具有菱形钙钛矿结构的复合氧化物和包含Ba和Ti并具有四方晶系钙钛矿结构的复合氧化物形成的第一组分，由包含Bi，K和Ti的复合氧化物形成的第二组分，以及 具有四方晶系钙钛矿结构的第三组分和由含有Bi，Mg和Ti并具有菱形钙钛矿结构的复合氧化物形成的第三组分。

公开(公告)号：US20150357552A1

公开(公告)日：2015-12-10

申请号：US14730481

申请日：2015-06-04

申请人： Seiko Epson Corporation

发明人： Tetsuya ISSHIKI

IPC分类号： H01L41/187 ,  H01L41/113 ,  B41J2/14 ,  H01L41/18

CPC分类号： H01L41/1878 ,  B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2/1635 ,  B41J2/1642 ,  B41J2/1646 ,  B41J2002/14241 ,  B41J2002/14419 ,  B41J2002/14491 ,  H01L41/0815 ,  H01L41/0973 ,  H01L41/318

摘要： A piezoelectric material is expressed as a mixed crystal including a complex oxide having a perovskite structure and a rhombohedral structure and a complex oxide having a perovskite structure and a tetragonal structure, and the molar ratio of the complex oxide having a rhombohedral structure to the complex oxide having a tetragonal structure (rhombohedral crystal/tetragonal crystal) is 0.54 to less than 1.20.

摘要翻译： 压电材料表示为包括具有钙钛矿结构和菱面体结构的复合氧化物和具有钙钛矿结构和四方结构的复合氧化物的混合晶体，并且具有菱面体结构的复合氧化物与复合氧化物的摩尔比 具有四方结构（菱方晶/四方晶）为0.54至小于1.20。