公开(公告)号：US20170101345A1

公开(公告)日：2017-04-13

申请号：US15200341

申请日：2016-07-01

申请人： CANON KABUSHIKI KAISHA

发明人： Mikio Shimada ,  Toshiaki Aiba ,  Toshihiro Ifuku ,  Takanori Matsuda ,  Makoto Kubota ,  Tatsuo Furuta ,  Jumpei Hayashi

IPC分类号： C04B35/49 ,  H01L41/187 ,  H01L41/083

CPC分类号： C04B35/49 ,  B08B7/028 ,  B41J2/045 ,  B41J2/14233 ,  B41J2202/03 ,  C04B35/4682 ,  C04B35/62645 ,  C04B2235/3208 ,  C04B2235/3215 ,  C04B2235/3236 ,  C04B2235/3244 ,  C04B2235/3248 ,  C04B2235/3249 ,  C04B2235/3262 ,  C04B2235/3263 ,  C04B2235/449 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5454 ,  C04B2235/6562 ,  C04B2235/6567 ,  C04B2235/786 ,  C04B2235/80 ,  G02B7/021 ,  G02B7/022 ,  G02B7/023 ,  G02B27/0006 ,  G03B3/10 ,  G03B2205/0061 ,  G03B2205/0084 ,  H01L41/0471 ,  H01L41/083 ,  H01L41/1871 ,  H02N2/001 ,  H02N2/106 ,  H02N2/163

摘要： Provided is a lead-free piezoelectric ceramics having enhanced mechanical quality factor (Qm) and mechanical strength. The piezoelectric ceramics, includes at least a first crystal grain and a second crystal grain. The first crystal grain has an average equivalent circle diameter of 2 μm or more and 30 μm or less. The first crystal grain includes a perovskite-type metal oxide represented by the following general formula (1) as a main component, and the second crystal grain includes a perovskite-type metal oxide represented by the following general formula (2) as a main component: (1) xBaTiO3-yCaTiO3-zCaZrO3; and (2) x′BaTiO3-y′CaTiO3-z′CaZrO3, provided that x, y, z, x′, y′, and z′ satisfy x+y+z=1, x′+y′+z′=1, 0≦x′≦0.15, 0.85≦y′≦1, 0≦z′≦0.05, x>x′, 0 0.

公开(公告)号：US09543501B2

公开(公告)日：2017-01-10

申请号：US13959251

申请日：2013-08-05

申请人： Canon Kabushiki Kaisha ,  Kyoto University ,  Tokyo Institute of Technology ,  Sophia University ,  University of Yamanashi ,  National Institute of Advanced Industrial Sciences and Technology ,  Tokyo University of Science Educational Foundation Administrative Organization

发明人： Makoto Kubota ,  Kaoru Miura ,  Toshihiro Ifuku ,  Jumpei Hayashi ,  Masaki Azuma ,  Olga Alexandrovna Smirnova ,  Hiroshi Funakubo ,  Hiroshi Uchida ,  Nobuhiro Kumada ,  Satoshi Wada ,  Takashi Iijima ,  Soichiro Okamura

IPC分类号： B06B1/06 ,  H01L41/187 ,  C04B35/26 ,  C04B35/44 ,  C04B35/475 ,  C04B35/645 ,  H01L41/318

CPC分类号： H01L41/1878 ,  C04B35/2658 ,  C04B35/44 ,  C04B35/475 ,  C04B35/645 ,  C04B2235/3217 ,  C04B2235/3227 ,  C04B2235/3232 ,  C04B2235/3262 ,  C04B2235/3272 ,  C04B2235/3284 ,  C04B2235/3298 ,  C04B2235/441 ,  C04B2235/449 ,  C04B2235/76 ,  C04B2235/765 ,  C04B2235/768 ,  H01L41/318 ,  Y10T428/265

摘要： Provided is a piezoelectric material excellent in piezoelectricity. The piezoelectric material includes a perovskite-type complex oxide represented by the following General Formula (1). A(ZnxTi(1-x))yM(1-y)O3  (1) wherein A represents at least one kind of element containing at least a Bi element and selected from a trivalent metal element; M represents at least one kind of element of Fe, Al, Sc, Mn, Y, Ga, and Yb; x represents a numerical value satisfying 0.4≦x≦0.6; and y represents a numerical value satisfying 0.1≦y≦0.9.

摘要翻译： 提供压电性优异的压电材料。 压电材料包括由以下通式（1）表示的钙钛矿型复合氧化物。 A（Zn x Ti（1-x））yM（1-y）O 3（1）其中A表示至少一种至少含有Bi元素并选自三价金属元素的元素; M表示Fe，Al，Sc，Mn，Y，Ga和Yb中的至少一种元素; x表示满足0.4 @ x @ 0.6的数值; y表示满足0.1≤y≤0.9的数值。

公开(公告)号：US09520549B2

公开(公告)日：2016-12-13

申请号：US14139776

申请日：2013-12-23

申请人： CANON KABUSHIKI KAISHA

发明人： Hidenori Tanaka ,  Shinya Koyama ,  Jumpei Hayashi ,  Hiroshi Saito

IPC分类号： H01L41/187 ,  B41J2/14 ,  H04N5/225 ,  H01L41/43 ,  H01L41/047 ,  H01L41/083 ,  H01L41/09 ,  H01L41/257 ,  G02B7/08 ,  H02N2/16

CPC分类号： H01L41/1871 ,  B41J2/14201 ,  B41J2/14233 ,  B41J2202/03 ,  G02B7/08 ,  H01L41/0477 ,  H01L41/083 ,  H01L41/0973 ,  H01L41/257 ,  H01L41/43 ,  H02N2/163 ,  H04N5/2254

摘要： A piezoelectric material includes, as a main component, a perovskite-type metal oxide represented by a general formula (Ba1-xCax)a(Ti1-y-zSnyZrz)O3 where 1.00≦a≦1.01, 0.125≦x≦0.300, 0≦y≦0.020, and 0.041≦z≦0.074, the perovskite-type metal oxide containing copper (Cu) and manganese (Mn). A Cu content relative to 100 parts by weight of the metal oxide is 0.02 parts by weight or more and 0.60 parts by weight or less on a metal basis, and a Mn content relative to 100 parts by weight of the metal oxide is 0.12 parts by weight or more and 0.40 parts by weight or less on a metal basis.

摘要翻译： 作为主要成分，作为主要成分的压电材料包括通式（Ba1-xCax）a（Ti1-y-zSnyZrz）O3表示的钙钛矿型金属氧化物，其中1.00≤a≤1.01，0.125≤x≤0.300,0≤ y≤0.020,0.041≤z≤0.074，含有铜（Cu）和锰（Mn）的钙钛矿型金属氧化物。 相对于金属氧化物100重量份的Cu含量相对于金属为0.02重量份以上且0.60重量份以下，相对于100重量份的金属氧化物的Mn含量为0.12重量份 重量以上且0.40质量份以下。

公开(公告)号：US20160233414A1

公开(公告)日：2016-08-11

申请号：US15098169

申请日：2016-04-13

申请人： CANON KABUSHIKI KAISHA

发明人： Jumpei Hayashi ,  Kenichi Takeda ,  Shinya Koyama ,  Kenichi Akashi ,  Tatsuo Furuta

IPC分类号： H01L41/187 ,  H01L41/083 ,  C04B35/468 ,  H01L41/09

摘要： A lead-free piezoelectric element that stably operates in a wide operating temperature range contains a lead-free piezoelectric material. The piezoelectric element includes a first electrode, a second electrode, and a piezoelectric material that includes a perovskite-type metal oxide represented by (Ba1-xCax)a(Ti1-yZry)O3 (1.00≦a≦1.01, 0.02≦x≦0.30, 0.020≦y≦0.095, and y≦x) as a main component and manganese incorporated in the perovskite-type metal oxide. The manganese content relative to 100 parts by weight of the perovskite-type metal oxide is 0.02 parts by weight or more and 0.40 parts by weight or less on a metal basis.

摘要翻译： 在宽工作温度范围内稳定工作的无铅压电元件包含无铅压电材料。 压电元件包括​​第一电极，第二电极和压电材料，其包括由（Ba1-xCax）a（Ti1-yZry）O3（1.00≤a≤1.01,0.02≤x≤0.30）表示的钙钛矿型金属氧化物 ，0.020≤y≤0.095，y≤x）作为主要成分，掺入钙钛矿型金属氧化物中的锰。 相对于100重量份的钙钛矿型金属氧化物的锰含量为0.02重量份以上且0.40重量份以下。

公开(公告)号：US20160104833A1

公开(公告)日：2016-04-14

申请号：US14961382

申请日：2015-12-07

申请人： CANON KABUSHIKI KAISHA

发明人： Tatsuya Suzuki ,  Masami Tsukamoto ,  Mikio Shimada ,  Toshihiro Ifuku ,  Takanori Matsuda ,  Makoto Kubota ,  Jumpei Hayashi

IPC分类号： H01L41/43 ,  H01L41/187

CPC分类号： H01L41/43 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1632 ,  B41J2/1642 ,  B41J2/1646 ,  B82Y30/00 ,  C04B35/4682 ,  C04B35/62655 ,  C04B35/62695 ,  C04B35/64 ,  C04B2235/3201 ,  C04B2235/3203 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3222 ,  C04B2235/3227 ,  C04B2235/3232 ,  C04B2235/3236 ,  C04B2235/3244 ,  C04B2235/3262 ,  C04B2235/3267 ,  C04B2235/3287 ,  C04B2235/3293 ,  C04B2235/3298 ,  C04B2235/3418 ,  C04B2235/441 ,  C04B2235/442 ,  C04B2235/443 ,  C04B2235/449 ,  C04B2235/5445 ,  C04B2235/5454 ,  C04B2235/6562 ,  C04B2235/6567 ,  C04B2235/761 ,  C04B2235/85 ,  H01L41/1871 ,  H02N2/106 ,  H02N2/163

摘要： Provided are a barium titanate-based piezoelectric ceramics having satisfactory piezoelectric performance and a satisfactory mechanical quality factor (Qm), and a piezoelectric element using the same. Specifically provided are a piezoelectric ceramics, including: crystal particles; and a grain boundary between the crystal particles, in which the crystal particles each include barium titanate having a perovskite-type structure and manganese at 0.04% by mass or more and 0.20% by mass or less in terms of a metal with respect to the barium titanate, and the grain boundary includes at least one compound selected from the group consisting of Ba4Ti12O27 and Ba6Ti17O40, and a piezoelectric element using the same.

摘要翻译： 提供一种具有令人满意的压电性能和令人满意的机械品质因数（Qm）的钛酸钡基压电陶瓷，以及使用它的压电元件。 具体提供的是压电陶瓷，包括：晶体颗粒; 晶体粒子各自包含钛酸钙，钛酸钙，钛，钛，钛，钛，钛，钛，钛，钛，钛， 钛酸盐，并且晶界包括至少一种选自Ba 4 Ti 12 O 27和Ba 6 Ti 17 O 40的化合物和使用其的压电元件。

公开(公告)号：US09252685B2

公开(公告)日：2016-02-02

申请号：US14344396

申请日：2012-10-19

申请人： CANON KABUSHIKI KAISHA

发明人： Toshihiro Ifuku ,  Yasushi Shimizu ,  Tatsuo Furuta ,  Takanori Matsuda ,  Makoto Kubota ,  Jumpei Hayashi

IPC分类号： H02N2/00 ,  H04N5/357 ,  B08B7/02 ,  G02B27/00 ,  H04N5/225 ,  H01L41/187

CPC分类号： H02N2/001 ,  B08B7/02 ,  B08B7/028 ,  G02B27/0006 ,  G03B2205/0061 ,  G03B2205/0092 ,  H01L41/18 ,  H01L41/1871 ,  H04N5/2171 ,  H04N5/2254 ,  H04N5/357

摘要： Provided is a dust removing device that can be designed and controlled appropriately and has high dust removal performance even at low temperature, and an imaging device using the dust removing device. In a dust removing device to be set on a base, including a piezoelectric element formed of a piezoelectric material and a pair of opposing electrodes, a vibration member, and a fixation member containing at least a high molecular compound component, a phase transition temperature T from a first ferroelectric crystal phase to a second ferroelectric crystal phase of the piezoelectric material is set to −60° C.≦T≦−5° C., and whereby, the dust removing device can be designed and controlled appropriately and high dust removal performance can be obtained even at low temperature.

摘要翻译： 本发明提供一种能够适当设计和控制并且即使在低温也具有高除尘性能的除尘装置，以及使用除尘装置的成像装置。 在设置在基座上的除尘装置中，包括由压电材料形成的压电元件和一对相对的电极，振动部件和至少含有高分子化合物成分的固定部件，相转变温度T 从压电材料的第一铁电晶体相到第二铁电晶相，设定为-60℃〜T℃，-5℃，从而可以适当地设计和控制除尘装置，高灰尘 即使在低温下也能获得去除性能。

公开(公告)号：US20150214470A1

公开(公告)日：2015-07-30

申请号：US14606399

申请日：2015-01-27

申请人： CANON KABUSHIKI KAISHA

发明人： Jumpei Hayashi ,  Toshihiro Ifuku ,  Hisato Yabuta ,  Yasushi Shimizu

IPC分类号： H01L41/187 ,  B06B1/06 ,  G02B27/00 ,  B41J2/14 ,  H02N2/00

CPC分类号： H01L41/1871 ,  B06B1/0644 ,  B41J2/14233 ,  B41J2202/03 ,  G02B27/0006 ,  H01L41/0973 ,  H01L41/1878 ,  H02N2/001 ,  H02N2/163 ,  H04N5/2171

摘要： A piezoelectric element includes a piezoelectric material portion. The piezoelectric material portion is made of a piezoelectric ceramic that includes a perovskite-type metal oxide including barium titanate and Mn and that has residual polarization. The piezoelectric material portion has a measurement surface extending in a direction that crosses a direction of the residual polarization of the piezoelectric ceramic, and, after the measurement surface has been polished to have a surface roughness of 200 nm or less, the measurement surface has a (002)/(200) X-ray diffraction intensity ratio of 1.0 or more at room temperature. A ratio c/a of a c-axis lattice constant c to an a-axis lattice constant a of the piezoelectric ceramic at room temperature satisfies 1.004≦c/a≦1.010. A half-width of a (002) diffraction peak of the measurement surface at room temperature is 1.2° or less.

摘要翻译： 压电元件包括​​压电材料部分。 压电材料部分由包括钛酸钡和Mn的钙钛矿型金属氧化物并具有残余极化的压电陶瓷制成。 压电材料部分具有沿与压电陶瓷的残余极化方向交叉的方向延伸的测量表面，并且在测量表面被抛光以具有200nm或更小的表面粗糙度之后，测量表面具有 （002）/（200）X射线衍射强度比为1.0以上。 压电陶瓷在室温下的c轴晶格常数c与a轴晶格常数a的比c / a满足1.004＆nlE; c / a＆nlE; 1.010。 在室温下测量表面的（002）衍射峰的半宽度为1.2°以下。

公开(公告)号：US20150214469A1

公开(公告)日：2015-07-30

申请号：US14606401

申请日：2015-01-27

申请人： CANON KABUSHIKI KAISHA

发明人： Jumpei Hayashi ,  Takayuki Watanabe ,  Akira Uebayashi ,  Kenichi Takeda

IPC分类号： H01L41/18 ,  B06B1/06 ,  H01L41/257 ,  H02N2/00 ,  G02B27/00 ,  H01L41/333 ,  H01L41/187 ,  B41J2/14

CPC分类号： H01L41/257 ,  B06B1/0644 ,  B41J2/14201 ,  C04B35/4682 ,  C04B35/6261 ,  C04B35/62655 ,  C04B35/62695 ,  C04B35/64 ,  C04B2235/3208 ,  C04B2235/3244 ,  C04B2235/3262 ,  C04B2235/3263 ,  C04B2235/3298 ,  C04B2235/604 ,  C04B2235/6565 ,  C04B2235/77 ,  C04B2235/786 ,  C04B2235/787 ,  C04B2235/79 ,  G02B27/0006 ,  H01L41/0973 ,  H01L41/1871 ,  H01L41/43 ,  H02N2/163 ,  Y10T29/42

摘要： A piezoelectric ceramic includes a perovskite-type metal oxide containing barium titanate, and Mn. When a surface thereof along the remanent polarization direction is subjected to X-ray diffraction analysis at room temperature, the ratio of the diffraction intensity of the (002) plane to the diffraction intensity of the (200) plane is 1.0 or more, the diffraction peak of the (002) plane has a half width of 1.2° or less, and the lattice constant of the c-axis thereof and the lattice constant of the a-axis thereof satisfy the relationship 1.004≦c/a≦1.010.

摘要翻译： 压电陶瓷包括含有钛酸钡的钙钛矿型金属氧化物和Mn。 沿着剩余极化方向的表面在室温下进行X射线衍射分析时，（002）面的衍射强度与（200）面的衍射强度的比例为1.0以上，衍射 （002）面的峰值的半值宽度为1.2°以下，其c轴的晶格常数和a轴的晶格常数满足关系1.004＆nlE; c / a＆nlE; 1.010。

公开(公告)号：US09052499B2

公开(公告)日：2015-06-09

申请号：US13789338

申请日：2013-03-07

申请人： CANON KABUSHIKI KAISHA

发明人： Kaishi Ohashi ,  Toshifumi Urakami ,  Toshihiro Ifuku ,  Yasushi Shimizu ,  Tatsuo Furuta ,  Takanori Matsuda ,  Makoto Kubota ,  Jumpei Hayashi

IPC分类号： G02B1/00 ,  G02B27/00 ,  H01L41/43 ,  H01L41/04 ,  H01L41/09 ,  H01L41/187 ,  H02N2/00 ,  H04N5/217 ,  H01L41/18 ,  H02P25/02 ,  H04N5/225

CPC分类号： G02B27/0006 ,  H01L41/042 ,  H01L41/0973 ,  H01L41/18 ,  H01L41/1871 ,  H01L41/43 ,  H02N2/0015 ,  H02N2/008 ,  H02P25/032 ,  H04N5/2171 ,  H04N5/2253

摘要： A vibration apparatus includes a vibrating body that includes a piezoelectric material having a lead content of less than 1000 ppm, and has an electromechanical energy converting element having an electrode; and a control unit that applies at least two driving voltages to the electromechanical energy converting element, and generates a combined vibration by providing a time phase difference to the vibrating body and generating multiple stable waves having mutually different orders; wherein the control unit changes at least one of the voltage amplitude ratio and time phase difference of at least two driving voltages, so as to change the amplitude distribution of the combined vibration.

摘要翻译： 一种振动装置，包括具有引线含量小于1000ppm的压电材料的振动体，具有电极的机电能量转换元件， 以及控制单元，其向所述机电能量转换元件施加至少两个驱动电压，并且通过向所述振动体提供时间相位差并产生具有相互不同顺序的多个稳定波来产生组合振动; 其中所述控制单元改变至少两个驱动电压的电压幅度比和时间相位差中的至少一个，以便改变所述组合振动的振幅分布。

公开(公告)号：US09022534B2

公开(公告)日：2015-05-05

申请号：US14372549

申请日：2013-03-08

申请人： Canon Kabushiki Kaisha

发明人： Hisato Yabuta ,  Takayuki Watanabe ,  Makoto Kubota ,  Jumpei Hayashi

IPC分类号： B41J2/045 ,  H01L41/187 ,  B41J2/14 ,  H01L41/43 ,  H01L41/08 ,  H01L41/083 ,  H02N2/10 ,  H02N2/16 ,  B05B17/06 ,  H01L41/047 ,  G02B7/10

CPC分类号： H01L41/1878 ,  B05B17/0607 ,  B41J2/045 ,  B41J2/14233 ,  G02B7/102 ,  H01L41/0477 ,  H01L41/0805 ,  H01L41/083 ,  H01L41/187 ,  H01L41/1871 ,  H01L41/43 ,  H02N2/103 ,  H02N2/106 ,  H02N2/163

摘要： Provided is a piezoelectric material having high Curie temperature, high insulation property, and high piezoelectric performance, the piezoelectric material including a perovskite-type metal oxide represented by the general formula (1): xBaTiO3-yBiFeO3-zBi(M0.5Ti0.5)O3, where M represents at least one kind of element selected from the group consisting of Mg, Ni, and Zn, x represents a value satisfying 0.25≦x≦0.75, y represents a value satisfying 0.15≦y≦0.73, and z represents a value satisfying 0.02≦z≦0.60, provided that x+y+z=1 is satisfied in which the perovskite-type metal oxide contains V, and content of the V is 0.0005 mol or larger and 0.0050 mol or smaller with respect to 1 mol of the perovskite-type metal oxide. In addition, provided are a piezoelectric element, a liquid discharge head, an ultrasonic motor, and a dust removing device, which use the piezoelectric material.

摘要翻译： 提供具有高居里温度，高绝缘性和高压电性能的压电材料，压电材料包括由通式（1）表示的钙钛矿型金属氧化物：xBaTiO3-yBiFeO3-zBi（M0.5Ti0.5） O 3，其中M表示选自Mg，Ni和Zn中的至少一种元素，x表示满足0.25≤n1E的值; x和nlE; 0.75，y表示满足0.15＆nlE; y＆nlE; 0.73和z 表示满足0.02＆nlE; z＆nlE; 0.60的值，条件是其中钙钛矿型金属氧化物含有V时的x + y + z = 1，并且V的含量为0.0005mol以上且0.0050mol以下，相对于 至1mol的钙钛矿型金属氧化物。 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。