公开(公告)号：US20190140162A1

公开(公告)日：2019-05-09

申请号：US16095324

申请日：2017-04-04

申请人： EPCOS AG

发明人： Denis OROSEL ,  Markus PUFF ,  Bernhard DOELLGAST ,  Michael SCHOSSMANN

IPC分类号： H01L41/187 ,  C04B35/493 ,  C04B35/626 ,  C04B35/64 ,  H01L41/047 ,  H01L41/083 ,  H01L41/273

摘要： A hard lead zirconate titanate (PZT) ceramic of the general structure ABO3 is specified, wherein the PZT ceramic has doping with Mn on the B sites and doping with Cu on the A sites and/or on the B sites. A process for producing a ceramic material and an electroceramic component are moreover specified.

公开(公告)号：US10181556B2

公开(公告)日：2019-01-15

申请号：US15086786

申请日：2016-03-31

申请人： NGK INSULATORS, LTD.

发明人： Akifumi Morishita ,  Tomohiko Hibino

IPC分类号： H01L41/08 ,  H01L41/187 ,  C04B35/472 ,  H01L41/43 ,  B32B18/00 ,  C04B35/493 ,  C04B35/499 ,  C04B35/626

摘要： A piezoelectric/electrostrictive material is composed of Mn and a compound of Pb(Zn, Nb)O3—Pb(Ni, Nb)O3—Pb(Zr, Ti)O3. A ratio of a molar amount of Mn relative to a sum of respective molar amounts of Ni, Zn, Ti, Zr, Nb and Mn is at least 0.001 to no more than 0.015. A ratio of a molar amount of Nb relative to a sum of respective molar amounts of Ni and Zn is at least 2.007 to no more than 2.125.

公开(公告)号：US20170256700A1

公开(公告)日：2017-09-07

申请号：US15600395

申请日：2017-05-19

申请人： FUJIFILM Corporation

发明人： Naoki MURAKAMI

IPC分类号： H01L41/316 ,  H01L41/09 ,  B41J2/14 ,  H01L41/08 ,  B41J2/045 ,  H01L41/187 ,  C04B35/493

CPC分类号： H01L41/316 ,  B41J2/045 ,  B41J2/14233 ,  B41J2/14274 ,  B41J2202/03 ,  C01G33/006 ,  C01P2002/34 ,  C01P2002/50 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2006/40 ,  C04B35/493 ,  C04B35/62218 ,  C04B2235/3251 ,  C04B2235/3418 ,  C04B2235/6584 ,  C04B2235/768 ,  C04B2235/80 ,  C23C14/08 ,  H01L41/0805 ,  H01L41/09 ,  H01L41/187

摘要： Provided is a piezoelectric film formed by a vapor phase growth method, the piezoelectric film containing:a perovskite oxide in which a perovskite oxide represented by the following formula P is doped with Si in an amount of from 0.2 mol % to less than 0.5 mol %, wherein a ratio of a peak intensity of a pyrochlore phase to a sum of peak intensities in respective plane orientations of (100), (001), (110), (101) and (111) of a perovskite phase measured by an X-ray diffraction method is 0.25 or less: A1+δ[(ZrxTi1−a)1−aNba]Oy  Formula P wherein, in formula P, A is an A-site element primarily containing Pb; Zr, Ti, and Nb are B-site elements; x is more than 0 but less than 1; a is 0.1 or more but less than 0.3.

公开(公告)号：US20170222127A1

公开(公告)日：2017-08-03

申请号：US15129077

申请日：2015-03-27

申请人： MITSUBISHI MATERIALS CORPORATION

发明人： Toshihiro Doi ,  Hideaki Sakurai ,  Nobuyuki Soyama

IPC分类号： H01L41/187 ,  C04B35/626 ,  C04B35/624 ,  H01L41/318 ,  C04B35/622 ,  C04B35/638 ,  C04B35/64 ,  C04B35/493 ,  C04B35/634

CPC分类号： H01L41/1876 ,  C04B35/491 ,  C04B35/493 ,  C04B35/62218 ,  C04B35/624 ,  C04B35/6264 ,  C04B35/63444 ,  C04B35/638 ,  C04B35/64 ,  C04B2235/3227 ,  C04B2235/3234 ,  C04B2235/3249 ,  C04B2235/3251 ,  C04B2235/3262 ,  C04B2235/3268 ,  C04B2235/3296 ,  C04B2235/441 ,  C04B2235/449 ,  C04B2235/5436 ,  C04B2235/6562 ,  C04B2235/6567 ,  C04B2235/74 ,  C04B2235/787 ,  C04B2235/79 ,  C04B2235/95 ,  C04B2235/96 ,  H01L41/318

摘要： A composition for forming a PZT-based piezoelectric film formed of Mn-doped composite metal oxides is provided, the composition including: PZT-based precursors containing metal atoms configuring the composite metal oxides; a diol; and polyvinylpyrrolidone, in which when a metal atom ratio in the composition is shown as Pb:Mn:Zr:Ti, the PZT-based precursors are contained so that a metal atom ratio of Pb is satisfied to be from 1.00 to 1.20, a metal atom ratio of Mn is satisfied to be equal to or greater than 0.002 and less than 0.05, a metal atom ratio of Zr is satisfied to be from 0.40 to 0.55, a metal atom ratio of Ti is satisfied to be from 0.45 to 0.60, and the total of Zr and Ti in a metal atom ratio is 1.

公开(公告)号：US09180668B2

公开(公告)日：2015-11-10

申请号：US14389101

申请日：2013-03-29

申请人： KYOCERA Corporation

发明人： Shuzo Iwashita

IPC分类号： B41J2/045 ,  B41J2/14 ,  H01L41/09 ,  H01L41/187 ,  H01L41/253 ,  H01L41/313 ,  C04B35/493 ,  H01L41/18 ,  H01L41/25

CPC分类号： B41J2/14201 ,  B41J2/14233 ,  B41J2002/14491 ,  C04B35/493 ,  C04B2235/32 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3279 ,  C04B2235/3284 ,  C04B2235/3294 ,  C04B2235/96 ,  H01L41/0973 ,  H01L41/18 ,  H01L41/1871 ,  H01L41/1875 ,  H01L41/1876 ,  H01L41/25 ,  H01L41/253 ,  H01L41/313 ,  Y10T29/42

摘要： A head has a base and a piezoelectric element which is superimposed on and fastened to the base in a thickness direction. The piezoelectric element has a plate-shaped piezoelectric body, and a common electrode and a individual electrode arranged so as to sandwich the piezoelectric body in the thickness direction. The base has a higher thermal expansion coefficient than the piezoelectric body (the piezoelectric element 23). The piezoelectric body has a tetragonal principal crystal phase, in which the degree of orientation of the c-axis toward one side in the thickness direction (positive side in z direction) in the region sandwiched by the common electrode and the individual electrode is 44% or more and 56% or less in terms of the Lotgering factor and in which the residual stress in the surface direction is 0 MPa or more and 35 MPa or less in the direction of compression.

摘要翻译： 头部具有基底和压电元件，其在厚度方向上叠加并固定到基底。 压电元件具有板状压电体，公共电极和单独电极，其在厚度方向上夹着压电体。 基体具有比压电体（压电元件23）更高的热膨胀系数。 压电体具有四方晶主晶相，其中夹在公共电极和单独电极的区域中的c轴朝向厚度方向（z方向的正侧）朝向一侧的取向度为44％ 以上，并且其中表面方向上的残余应力在压缩方向上为0MPa以上且35MPa以下。

公开(公告)号：US09005358B2

公开(公告)日：2015-04-14

申请号：US13899111

申请日：2013-05-21

申请人： Mitsubishi Materials Corporation

发明人： Jun Fujii ,  Hideaki Sakurai ,  Takashi Noguchi ,  Nobuyuki Soyama

IPC分类号： B05D3/02 ,  H01L41/187 ,  C04B24/40 ,  C04B24/42 ,  C04B35/624 ,  H01L41/18 ,  B05D3/04 ,  C01G25/00 ,  C23C18/12 ,  H01G4/12 ,  H01G4/20 ,  H01L21/02 ,  H01L21/316 ,  H01L49/02 ,  H01L41/318 ,  C04B35/491 ,  C04B35/493 ,  C04B35/632 ,  H01B3/14 ,  C23C30/00 ,  H01L27/108 ,  C04B111/92 ,  H01L27/115

CPC分类号： H01L41/1876 ,  B05D3/02 ,  B05D3/0209 ,  B05D3/04 ,  B05D3/0406 ,  B05D3/0413 ,  B05D3/0453 ,  B05D3/0473 ,  C01G25/006 ,  C01P2002/50 ,  C01P2006/40 ,  C04B24/40 ,  C04B24/42 ,  C04B35/491 ,  C04B35/493 ,  C04B35/624 ,  C04B35/632 ,  C04B35/6325 ,  C04B2111/92 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3229 ,  C04B2235/3232 ,  C04B2235/3293 ,  C04B2235/3298 ,  C04B2235/3418 ,  C04B2235/44 ,  C04B2235/441 ,  C04B2235/443 ,  C04B2235/447 ,  C04B2235/449 ,  C04B2235/6585 ,  C23C18/1204 ,  C23C18/1225 ,  C23C18/1279 ,  C23C30/00 ,  H01B3/14 ,  H01G4/1245 ,  H01G4/206 ,  H01L21/02197 ,  H01L21/02282 ,  H01L21/31691 ,  H01L27/108 ,  H01L27/11502 ,  H01L28/55 ,  H01L41/18 ,  H01L41/1875 ,  H01L41/318

摘要： Disclosed is a composition for ferroelectric thin film formation which is used in the formation of a ferroelectric thin film of one material selected from the group consisting of PLZT, PZT, and PT. The composition for ferroelectric thin film formation is a liquid composition for the formation of a thin film of a mixed composite metal oxide formed of a mixture of a composite metal oxide (A) represented by general formula (1): (PbxLay)(ZrzTi(1-z))O3 [wherein 0.9

摘要翻译： 公开了用于形成选自PLZT，PZT和PT的一种材料的铁电薄膜的铁电薄膜形成用组合物。 铁电薄膜形成用组合物是由通式（1）表示的复合金属氧化物（A）：（PbxLay）（ZrzTi（Zr x Ti y））的混合物形成的混合复合金属氧化物的薄膜的液体组合物， 1）表示的复合氧化物（B）或羧酸（B），通式（2）表示的化合物（其中0.9

公开(公告)号：US08994250B2

公开(公告)日：2015-03-31

申请号：US13473975

申请日：2012-05-17

申请人： Tomohiko Hibino

发明人： Tomohiko Hibino

IPC分类号： H01L41/18 ,  C04B35/00 ,  B32B18/00 ,  C04B35/493 ,  H01L41/083 ,  H01L41/187

CPC分类号： H01L41/1876 ,  B32B18/00 ,  C04B35/493 ,  C04B2235/3212 ,  C04B2235/3213 ,  C04B2235/3217 ,  C04B2235/3251 ,  C04B2235/3279 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/6025 ,  C04B2235/768 ,  C04B2235/785 ,  C04B2235/786 ,  C04B2237/348 ,  H01L41/083

摘要： There is provided a piezoelectric/electrostrictive element 1 comprising a piezoelectric/electrostrictive body 30 made of a piezoelectric/electrostrictive ceramic composition containing Pb(Ni1/3Nb2/3)O3—PbTiO3—PbZrO3 ternary solid solution system composition as the main components, and an electrode disposed on the piezoelectric/electrostrictive body, wherein the ternary solid solution system composition is represented by the following composition formula: (Pb1-xSrx)α{(Ti1-yZry)a(Niβ/3Nb2/3)b(Alγ/2Nb1/2)c}O3 (where 0.005≦x≦0.03, 0.45≦y≦0.54, 0.58≦a≦0.91, 0.07≦b≦0.36, 0.02≦c≦0.08, 0.97≦α≦1.03, 0.97≦β≦1.03, 0.97≦γ≦1.03, and (a+b+c=1.000)).

摘要翻译： 提供了一种压电/电致伸缩元件1，其包括由包含Pb（Ni1 / 3Nb2 / 3）O3-PbTiO3-PbZrO3三元固溶体系组合物作为主要成分的压电/电致伸缩陶瓷组合物制成的压电/电致伸缩体30， 设置在压电/电致伸缩体上的电极，其中三元固溶体系组成由以下组成式表示：（Pb1-xSrx）α{（Ti1-yZry）a（Ni＆bgr; / 3Nb2 / 3）b（Alγ/ 2Nb1 / 2; c 2 O 3（其中0.005＆nlE; x和nlE; 0.03,0.45＆nlE; y＆nlE; 0.54,0.58和n1E; a＆nlE; 0.91,0.07和nlE; b＆nlE; 0.36,0.02和n1E; c＆nlE; 0.08,0.97＆ 0.97＆nlE;＆bgr;＆nlE; 1.03,0.97＆nlE;γ＆nlE; 1.03和（a + b + c = 1.000））。

公开(公告)号：US08900475B2

公开(公告)日：2014-12-02

申请号：US14041577

申请日：2013-09-30

申请人： Piezotech, LLC

发明人： De Liufu

IPC分类号： C04B35/493 ,  H01L41/187 ,  H01L41/43 ,  C01G45/00

CPC分类号： H01L41/1876 ,  C01G45/006 ,  C01P2002/50 ,  C04B35/493 ,  C04B2235/32 ,  C04B2235/3213 ,  C04B2235/3224 ,  C04B2235/3229 ,  C04B2235/3244 ,  C04B2235/3251 ,  C04B2235/3256 ,  C04B2235/3262 ,  C04B2235/3281 ,  C04B2235/3284 ,  C04B2235/3293 ,  C04B2235/3294 ,  C04B2235/3418 ,  C04B2235/6567 ,  C04B2235/768 ,  C04B2235/79 ,  H01L41/43

摘要： A PZT-type piezoelectric ceramic material having a perovskite structure of the ABO3 type. The stoichiometric ratio of AB is 1:1, with the “A” component being Pb1-zSrz and the “B” component being (Mn1/3Sb2/3)x(ZryTi1-y)1-x. Z is between 0.02 and 0.03, x is between 0.03 and 0.07, and y is between 0.40 and 0.60. The material further comprises dopants, with the dopants comprising Ce, Cu, and Nb dopants, with each of the Ce, Cu, and Nb dopants being provided in an amount of up to 2 wt. %, with the combined amount of the Ce, Cu, and Nb2 dopants being between 1 wt. % and 4 wt. %. Methods for preparing the PZT ceramic materials by combining oxides of Pb, Sr, Mn, Sb, Zr, Ti, Nb, Cu, and Ce and calcining the combined oxides so as to produce a PZT composition of the stated formula are also disclosed.

摘要翻译： 具有ABO3型钙钛矿结构的PZT型压电陶瓷材料。 AB的化学计量比为1:1，“A”成分为Pb1-zSrz，“B”成分为（Mn1 / 3Sb2 / 3）x（ZryTi1-y）1-x。 Z在0.02和0.03之间，x在0.03和0.07之间，y在0.40和0.60之间。 该材料还包含掺杂剂，掺杂剂包含Ce，Cu和Nb掺杂剂，其中Ce，Cu和Nb掺杂剂中的每一种以高达2重量％的量提供。 ％，Ce，Cu和Nb 2掺杂剂的组合量在1wt。 ％和4wt。 ％。 还公开了通过结合Pb，Sr，Mn，Sb，Zr，Ti，Nb，Cu和Ce的氧化物制备PZT陶瓷材料并煅烧组合氧化物以制备所述式的PZT组合物的方法。

公开(公告)号：US20050194868A1

公开(公告)日：2005-09-08

申请号：US11064070

申请日：2005-02-23

申请人： Toshikatsu Kashiwaya ,  Yukihisa Takeuchi ,  Yuya Kikuta

发明人： Toshikatsu Kashiwaya ,  Yukihisa Takeuchi ,  Yuya Kikuta

IPC分类号： C04B35/49 ,  C04B35/491 ,  C04B35/493 ,  H01L41/09 ,  H01L41/187

CPC分类号： H01L41/0973 ,  C04B35/491 ,  C04B2235/3224 ,  C04B2235/3232 ,  C04B2235/3234 ,  C04B2235/3249 ,  C04B2235/3251 ,  C04B2235/3279 ,  C04B2235/3284 ,  C04B2235/3296 ,  C04B2235/3409 ,  C04B2235/36 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/549 ,  C04B2235/77 ,  C04B2235/80 ,  C04B2235/96 ,  H01L41/1876

摘要： There is provided a piezoelectric/electrostrictive porcelain composition capable of manufacturing, even at a comparatively low firing temperature, a piezoelectric/electrostrictive ceramic or a piezoelectric/electrostrictive portion which is dense and superior in crystallinity and which has superior piezoelectric/electrostrictive characteristic and durability even under high temperature and high humidity conditions. The piezoelectric/electrostrictive porcelain composition comprises: a piezoelectric/electrostrictive component containing lead titanate zirconate; and 0.5 to 5% by mass of glass component containing 8% by mass or less of silicic acid.

摘要翻译： 提供了即使在相对低的烧制温度下制造致密且结晶性优异的压电/电致伸缩陶瓷或压电/电致伸缩部分的压电/电致伸缩瓷组合物，甚至具有优异的压电/电致伸缩特性和耐久性 在高温高湿条件下。 压电/电致伸缩瓷组合物包括：包含锆钛酸铅的压电/电致伸缩组分; 和0.5〜5质量％的含有8质量％以下的硅酸的玻璃成分。

公开(公告)号：US20050085373A1

公开(公告)日：2005-04-21

申请号：US10686310

申请日：2003-10-15

申请人： De Liufu

发明人： De Liufu

IPC分类号： B28B20060101 ,  C04B35/46 ,  C04B35/48 ,  C04B35/49 ,  C04B35/491 ,  C04B35/493 ,  H01L41/04 ,  H01L41/187 ,  H01L41/24

CPC分类号： C04B35/493 ,  C04B35/62665 ,  C04B2235/3206 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3251 ,  C04B2235/3256 ,  C04B2235/3267 ,  C04B2235/3275 ,  C04B2235/3279 ,  C04B2235/3293 ,  C04B2235/3296 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/6021 ,  C04B2235/6562 ,  C04B2235/6567 ,  C04B2235/768 ,  C04B2235/77 ,  C04B2235/786 ,  H01L41/1875 ,  H01L41/43

摘要： This invention relates to a piezoelectric ceramic of the formula Pb(1-z)Mzz(Mg1/3M2/3)x(ZryTi1-y)1-xO3 where M can be either Sr or Ba or both and x is between about 0.1 and about 0.7, y is between about 0.2 and about 0.7, and z is between about 0.02 and about 0.1 and to method for preparing the piezoelectric ceramic. The piezoelectric ceramic is provided as a composite perovskite structure. Additional materials or dopants can be added to the piezoelectric ceramic of the present invention. Example of dopants that can be added to the piezoelectric ceramic include, but are not limited to: MnO2, Ni2O3, TeO3, TeO2, MoO3, Nb2O5, Ta2O5, CoCO3, and Y2O3. The piezoelectric ceramics of the present invention can be used to fabricate piezoelectric elements for a wide variety of devices that can be fabricated to exhibit high power applications including miniaturized displacement elements, buzzers, transducers, ultrasonic sensors and ultrasonic generators, and the like.

摘要翻译： 本发明涉及下式的压电陶瓷：（1-z）Mz z z（M 1/3 / 2M 2 / 1-x O 2（1）x 1（x）1 x x 3其中M可以是Sr或Ba或两者，x在约0.1和约0.7之间，y在约0.2和约0.7之间，z在约0.02和约0.1之间，并且制备压电的方法 陶瓷。 压电陶瓷作为复合钙钛矿结构提供。 可以向本发明的压电陶瓷中添加附加材料或掺杂剂。 可以添加到压电陶瓷的掺杂剂的实例包括但不限于：MnO 2，Ni 2 O 3， 3个，3个，3个，3个O，3个O，3个O，3个O，3个O， > 2 5，COCO 3 3和Y 2 O 3 3。 本发明的压电陶瓷可以用于制造用于各种各样的器件的压电元件，该器件可被制造成展现大功率应用，包括小型位移元件，蜂鸣器，换能器，超声波传感器和超声波发生器等。