公开(公告)号：US08678562B2

公开(公告)日：2014-03-25

申请号：US13395996

申请日：2010-09-28

Applicant: Jumpei Hayashi ,  Takayuki Watanabe ,  Takanori Matsuda ,  Kaoru Miura ,  Makoto Kubota

Inventor： Jumpei Hayashi ,  Takayuki Watanabe ,  Takanori Matsuda ,  Kaoru Miura ,  Makoto Kubota

IPC: H01L41/00 ,  H02N2/00 ,  B41J2/045

CPC classification number: H01L41/187 ,  C01G33/006 ,  C01G35/006 ,  C04B35/495 ,  C04B2235/3203 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3251 ,  C04B2235/3298 ,  C04B2235/76 ,  C04B2235/77 ,  C04B2235/787

Abstract: Provided is a piezoelectric material including a bismuth barium niobium oxide-based tungsten bronze structure metal oxide having a high Curie temperature and being excellent in piezoelectric property. The piezoelectric material includes a metal oxide having a tungsten bronze structure represented by the following general formula (1), in which the metal oxide having a tungsten bronze structure includes Li, and a content of the Li is 0.015 weight percent or more and 0.600 weight percent or less in terms of metal with respect to 100 parts by weight of the metal oxide: AxB10O30  (1) where A represents Ba and Bi, or at least one kind or more of elements selected from the group consisting of: Na, Sr, and Ca in addition to Ba and Bi; B represents Nb, or Nb and Ta; and x represents a numerical value of 4.5

Abstract translation: 提供一种压电材料，其包括具有高居里温度并且压电性能优异的铋钡铌氧化物基钨青铜结构金属氧化物。 压电材料包括具有由以下通式（1）表示的钨青铜结构的金属氧化物，其中具有钨青铜结构的金属氧化物包括Li，并且Li的含量为0.015重量％以上且0.600重量 相对于100重量份的金属氧化物，以金属计的百分比或更少; AxB10O30（1）其中A表示Ba和Bi，或至少一种或多种选自以下的元素：Na，Sr， 除了Ba和Bi外还有Ca; B表示Nb或Nb和Ta; x表示4.5

公开(公告)号：US08273675B2

公开(公告)日：2012-09-25

申请号：US12567708

申请日：2009-09-25

Applicant: Zuyi Zhang ,  Jumpei Hayashi ,  Kenji Takashima ,  Tatsuo Furuta

Inventor： Zuyi Zhang ,  Jumpei Hayashi ,  Kenji Takashima ,  Tatsuo Furuta

IPC: C04B35/468

CPC classification number: C04B35/468 ,  C04B35/4682 ,  C04B35/6262 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3286 ,  C04B2235/3298 ,  C04B2235/656 ,  C04B2235/761 ,  C04B2235/765 ,  C04B2235/786 ,  H01G4/1227 ,  H01G4/33 ,  H01L28/55

Abstract: Provided is a ferroelectric ceramic material containing BaTiO3 as a main component which can control a Curie temperature in a wide range, has no phase transition in the vicinity of a room temperature, and exhibits excellent ferroelectric characteristics. The ferroelectric ceramic material includes an oxide represented by the formula: (100−a−b)BaTiO3.aBi2O3.bM2O3, where M represents a trivalent metal other than Bi, and a and b satisfy 1≦a≦15, 0≦b≦5, and 5≦a+3b≦15 and M is preferably a trivalent metal selected from fifth period transition metals or rare earth metals having an atomic number of 59 or higher to 69 or lower.

Abstract translation: 提供一种含有BaTiO 3作为主要成分的铁电陶瓷材料，其可以在很宽的范围内控制居里温度，在室温附近没有相变，并表现出优异的铁电特性。 铁电陶瓷材料包括由式（100-a-b）BaTiO 3 :Bi 2 O 3·bM 2 O 3表示的氧化物，其中M表示除Bi以外的三价金属，a和b满足1＆nlE; a＆nlE; 15,0＆amp; nlE; b＆nlE; 5和5＆lt; 1 + a + 3b＆nlE; 15和M优选为选自原子序数为59或更高至69或更低的第五周期过渡金属或稀土金属的三价金属。

公开(公告)号：US20120162319A1

公开(公告)日：2012-06-28

申请号：US13395996

申请日：2010-09-28

Applicant: Jumpei Hayashi ,  Takayuki Watanabe ,  Takanori Matsuda ,  Kaoru Miura ,  Makoto Kubota

Inventor： Jumpei Hayashi ,  Takayuki Watanabe ,  Takanori Matsuda ,  Kaoru Miura ,  Makoto Kubota

IPC: H01L41/18 ,  H02N2/04 ,  B41J2/045

CPC classification number: H01L41/187 ,  C01G33/006 ,  C01G35/006 ,  C04B35/495 ,  C04B2235/3203 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3251 ,  C04B2235/3298 ,  C04B2235/76 ,  C04B2235/77 ,  C04B2235/787

Abstract: Provided is a piezoelectric material including a bismuth barium niobium oxide-based tungsten bronze structure metal oxide having a high Curie temperature and being excellent in piezoelectric property. The piezoelectric material includes a metal oxide having a tungsten bronze structure represented by the following general formula (1), in which the metal oxide having a tungsten bronze structure includes Li, and a content of the Li is 0.015 weight percent or more and 0.600 weight percent or less in terms of metal with respect to 100 parts by weight of the metal oxide: AxB100O30  (1) where A represents Ba and Bi, or at least one kind or more of elements selected from the group consisting of: Na, Sr, and Ca in addition to Ba and Bi; B represents Nb, or Nb and Ta; and x represents a numerical value of 4.5

Abstract translation: 提供一种压电材料，其包括具有高居里温度并且压电性能优异的铋钡铌氧化物基钨青铜结构金属氧化物。 压电材料包括具有由以下通式（1）表示的钨青铜结构的金属氧化物，其中具有钨青铜结构的金属氧化物包括Li，并且Li的含量为0.015重量％以上且0.600重量 相对于100重量份的金属氧化物，以金属计的百分比或更少：AxB100O30（1）其中A表示Ba和Bi，或至少一种或多种选自以下的元素：Na，Sr， 除了Ba和Bi外还有Ca; B表示Nb或Nb和Ta; x表示4.5

公开(公告)号：US20110079883A1

公开(公告)日：2011-04-07

申请号：US12889684

申请日：2010-09-24

Applicant: MIKIO SHIMADA ,  TOSHIAKI AIBA ,  TOSHIHIRO IFUKU ,  JUMPEI HAYASHI ,  MAKOTO KUBOTA ,  HIROSHI FUNAKUBO ,  YUICHI SHIMAKAWA ,  MASAKI AZUMA ,  YOSHITAKA NAKAMURA

Inventor： MIKIO SHIMADA ,  TOSHIAKI AIBA ,  TOSHIHIRO IFUKU ,  JUMPEI HAYASHI ,  MAKOTO KUBOTA ,  HIROSHI FUNAKUBO ,  YUICHI SHIMAKAWA ,  MASAKI AZUMA ,  YOSHITAKA NAKAMURA

IPC: H01L49/02

CPC classification number: H01L41/1878 ,  H01L28/55 ,  H01L41/0805 ,  H01L41/316

Abstract: Provided is a ferroelectric thin film formed on a substrate and having an amount of remanent polarization increased in its entirety. The ferroelectric thin film contains a perovskite-type metal oxide formed on a substrate, the ferroelectric thin film containing a column group formed of multiple columns each formed of a spinel-type metal oxide, in which the column group is in a state of standing in a direction perpendicular to a surface of the substrate, or in a state of slanting at a slant angle in a range of −10° or more to +10° or less with respect to the perpendicular direction.

Abstract translation: 提供了形成在基板上并且具有全部剩余极化量增加的铁电薄膜。 铁电薄膜含有在基板上形成的钙钛矿型金属氧化物，所述强电介质薄膜含有由尖晶石型金属氧化物形成的多列的柱状基团，所述柱状基团处于静止状态 垂直于基板的表面的方向，或者相对于垂直方向以-10°以上至+ 10°以下的范围倾斜的倾斜状态。

公开(公告)号：US20110012050A1

公开(公告)日：2011-01-20

申请号：US12922824

申请日：2009-03-18

Applicant: Jumpei Hayashi ,  Zuyi Zhang ,  Toshihiro Ifuku ,  Satoshi Wada ,  Keisuke Yamato ,  Nobuhiro Kumada ,  Masaki Azuma ,  Hiroshi Funakubo ,  Takashi Iijima ,  Soichiro Okamura

Inventor： Jumpei Hayashi ,  Zuyi Zhang ,  Toshihiro Ifuku ,  Satoshi Wada ,  Keisuke Yamato ,  Nobuhiro Kumada ,  Masaki Azuma ,  Hiroshi Funakubo ,  Takashi Iijima ,  Soichiro Okamura

IPC: H01L41/18

CPC classification number: H01L41/187 ,  C01G23/003 ,  C01G23/006 ,  C01G29/00 ,  C01P2002/34 ,  C01P2002/76 ,  C01P2004/20 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/42 ,  C04B35/462 ,  C04B35/4682 ,  C04B35/475 ,  C04B35/499 ,  C04B35/547 ,  C04B2235/3206 ,  C04B2235/3215 ,  C04B2235/3224 ,  C04B2235/3227 ,  C04B2235/3255 ,  C04B2235/3284 ,  C04B2235/3298

Abstract: Provided is a piezoelectric material including a lead-free perovskite-type composite oxide which is excellent in piezoelectric characteristics and temperature characteristics and is represented by the general formula (1): xABO3-yA′BO3-zA″B′O3 in which A is a Bi element; A′ is a rare earth element including La; B is at least one element selected from Ti, Zn, Sn and Zr; A″ is at least one element selected from Ba, Sr and Ca; B′ is at least one element selected from divalent, trivalent, pentavalent, tetravalent, and hexavalent elements; and x is a value of 0.10 or more and 0.95 or less, y is a value of 0 or more and 0.5 or less, and z is a value of 0 or more and 0.7 or less, provided that x+y+z=1.

Abstract translation: 提供一种压电材料，其包括压电特性和温度特性优异的无铅钙钛矿型复合氧化物，并由通式（1）表示：XABO3-yA'BO3-zA“B'O3，其中A为 铋元素 A'是包括La的稀土元素; B是选自Ti，Zn，Sn和Zr中的至少一种元素; A“是选自Ba，Sr和Ca中的至少一种元素; B'是选自二价，三价，五价，四价和六价元素中的至少一种元素; x为0.10以上且0.95以下的值，y为0以上且0.5以下的范围，z为0以上且0.7以下的值，但x + y + z = 1 。

公开(公告)号：US09318689B2

公开(公告)日：2016-04-19

申请号：US14117995

申请日：2012-05-17

Applicant: Takayuki Watanabe ,  Hiroshi Saito ,  Jumpei Hayashi ,  Nobuhiro Kumada

Inventor： Takayuki Watanabe ,  Hiroshi Saito ,  Jumpei Hayashi ,  Nobuhiro Kumada

IPC: C04B35/495 ,  H01L41/187 ,  B28B1/08 ,  B32B18/00 ,  C01G33/00 ,  C04B35/26 ,  C04B35/462 ,  C04B35/468 ,  C04B35/475 ,  C04B35/626

CPC classification number: H01L41/1873 ,  B32B18/00 ,  C01G33/00 ,  C01P2002/34 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2004/03 ,  C01P2004/20 ,  C01P2004/54 ,  C04B35/26 ,  C04B35/462 ,  C04B35/4682 ,  C04B35/475 ,  C04B35/495 ,  C04B35/62665 ,  C04B35/62685 ,  C04B2235/3201 ,  C04B2235/3215 ,  C04B2235/3234 ,  C04B2235/3236 ,  C04B2235/3251 ,  C04B2235/3255 ,  C04B2235/3281 ,  C04B2235/3298 ,  C04B2235/5292 ,  C04B2235/5296 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5463 ,  C04B2235/6025 ,  C04B2235/604 ,  C04B2235/768 ,  C04B2235/787 ,  C04B2235/81 ,  C04B2237/345 ,  Y10T428/2982

Abstract: Provided are methods of manufacturing an oriented ceramics containing sodium niobate and a raw material thereof. Specifically, provided is a sodium niobate powder, including cuboidal sodium niobate particles having an average side length of 0.1 μm or more to 100 μm or less, at least one face of the cuboid including a (100) plane in pseudo-cubic notation, in which the sodium niobate powder has a perovskite single-phase structure.

Abstract translation: 提供制造含有铌酸钠的取向陶瓷及其原料的方法。 具体地说，提供了一种铌酸钠粉末，其包括平均边长为0.1μm以上至100μm以下的长方体铌酸铌粒子，长方体的至少一面包含假立方形的（100）面，在 铌酸钠粉末具有钙钛矿单相结构。

公开(公告)号：US08702885B2

公开(公告)日：2014-04-22

申请号：US13638356

申请日：2011-04-15

Applicant: Takanori Matsuda ,  Tatsuo Furuta ,  Takayuki Watanabe ,  Jumpei Hayashi ,  Nobuhiro Kumada

Inventor： Takanori Matsuda ,  Tatsuo Furuta ,  Takayuki Watanabe ,  Jumpei Hayashi ,  Nobuhiro Kumada

IPC: C03B29/00 ,  H01F1/00 ,  C04B35/00 ,  C03C10/02 ,  H05B6/00 ,  B29C67/00

CPC classification number: H01L41/43 ,  B28B1/008 ,  B28B1/26 ,  B28B11/12 ,  B32B18/00 ,  C01G25/006 ,  C01G33/006 ,  C04B35/4682 ,  C04B35/495 ,  C04B35/6261 ,  C04B2235/3208 ,  C04B2235/3215 ,  C04B2235/3251 ,  C04B2235/3262 ,  C04B2235/3298 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/6027 ,  C04B2235/605 ,  C04B2235/76 ,  C04B2235/77 ,  C04B2235/787 ,  C04B2237/345 ,  H01L41/1871

Abstract: A method of manufacturing ceramics includes: placing, on a base material, a first slurry in which a metal oxide powder is dispersed; applying a magnetic field to the first slurry to solidify the first slurry, thereby forming an under coat layer made of a first compact; placing, on the under coat layer, a second slurry containing a metal oxide powder constituting the ceramics; applying a magnetic field to the second slurry to solidify the second slurry, thereby forming a second compact to obtain a laminated body of the second compact and the under coat layer; and obtaining the ceramics made of the second compact by removing the under coat layer from the laminated body of the second compact and the under coat layer and then sintering the second compact, or sintering the laminated body of the second compact and the under coat layer and then removing the under coat layer.

Abstract translation: 制造陶瓷的方法包括：在基材上放置分散有金属氧化物粉末的第一浆料; 向第一浆料施加磁场以固化第一浆料，由此形成由第一压块制成的底涂层; 在下涂层上放置含有构成陶瓷的金属氧化物粉末的第二浆料; 向第二浆料施加磁场以固化第二浆料，从而形成第二压块以获得第二压块和下涂层的层压体; 通过从第二压块和下涂层的层叠体中除去下涂层，然后烧结第二压块，或者烧结第二压块和下涂层的层压体，从而获得由第二压模制成的陶瓷， 然后除去底涂层。

公开(公告)号：US08632723B2

公开(公告)日：2014-01-21

申请号：US13023043

申请日：2011-02-08

Applicant: Takayuki Watanabe ,  Makoto Kubota ,  Jumpei Hayashi ,  Nobuhiro Kumada ,  Tomoaki Mochiduki

Inventor： Takayuki Watanabe ,  Makoto Kubota ,  Jumpei Hayashi ,  Nobuhiro Kumada ,  Tomoaki Mochiduki

IPC: B28B1/00 ,  B28B1/16

CPC classification number: H01L41/1871 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1646 ,  B82Y30/00 ,  C01G45/006 ,  C01P2002/72 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C04B35/4682 ,  C04B35/6262 ,  C04B35/62645 ,  C04B35/6265 ,  C04B35/64 ,  C04B2235/3201 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3215 ,  C04B2235/3232 ,  C04B2235/3234 ,  C04B2235/3236 ,  C04B2235/3239 ,  C04B2235/3251 ,  C04B2235/3256 ,  C04B2235/3258 ,  C04B2235/3262 ,  C04B2235/3267 ,  C04B2235/3281 ,  C04B2235/3298 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5454 ,  C04B2235/6027 ,  C04B2235/605 ,  C04B2235/6567 ,  C04B2235/6583 ,  C04B2235/765 ,  C04B2235/767 ,  C04B2235/768 ,  C04B2235/787 ,  H01L41/43 ,  H02N2/163

Abstract: Provided is a manufacturing method for preferentially-oriented oxide ceramics having a high degree of crystal orientation. The manufacturing method includes: obtaining slurry containing an oxide crystal B having magnetic anisotropy; applying a magnetic field to the oxide crystal B, and obtaining a compact of the oxide crystal B; and subjecting the compact to oxidation treatment to obtain preferentially-oriented oxide ceramics including a compact of an oxide crystal C having a crystal system that is different from a crystal system of one of a part and a whole of the oxide crystal B. By (1) reacting raw materials, (2) reducing the oxide crystal A, or (3) keeping the oxide crystal A at high temperature and quenching the oxide crystal A, the oxide crystal B is obtained to be used in the slurry.

Abstract translation: 提供具有高度晶体取向的优先取向氧化物陶瓷的制造方法。 制造方法包括：获得含有具有磁各向异性的氧化物晶体B的浆料; 向氧化物晶体B施加磁场，得到氧化物晶体B的压实体; 对该成形体进行氧化处理，得到具有与氧化物晶体B的一部分和全部的晶体体系不同的晶体体系的氧化物晶体C的成形体的优先取向氧化物陶瓷。通过（1 ）使原料反应，（2）还原氧化物晶体A，或（3）将氧化物晶体A保持在高温并淬灭氧化物晶体A，得到氧化物晶体B用于浆料中。

公开(公告)号：US20130076204A1

公开(公告)日：2013-03-28

申请号：US13702997

申请日：2011-06-07

Applicant: Takanori Matsuda ,  Takayuki Watanabe ,  Jumpei Hayashi

Inventor： Takanori Matsuda ,  Takayuki Watanabe ,  Jumpei Hayashi

IPC: H01L41/187

CPC classification number: H01L41/1871 ,  B08B7/026 ,  B41J2/14233 ,  C04B35/495 ,  C04B2235/3208 ,  C04B2235/3215 ,  C04B2235/3251 ,  C04B2235/3258 ,  C04B2235/3262 ,  C04B2235/3298 ,  C04B2235/444 ,  C04B2235/5445 ,  C04B2235/6027 ,  C04B2235/605 ,  C04B2235/76 ,  H01L41/43 ,  H02N2/106 ,  H02N2/163

Abstract: A piezoelectric material containing a barium bismuth calcium niobate-based tungsten bronze structure metal oxide having a high degree of orientation is provided. A piezoelectric element, a liquid discharge head, an ultrasonic motor, and a dust cleaning device including the piezoelectric material are also provided. The piezoelectric material includes a tungsten bronze structure metal oxide that includes metal elements which are barium, bismuth, calcium, and niobium; and tungsten. The metal elements satisfy following conditions on a molar basis: when Ba/Nb=a, 0.37≦a≦0.40, when Bi/Nb=b, 0.020≦b≦0.065, and when Ca/Nb=c, 0.007≦c≦0.10. The tungsten content on a metal basis is 0.4 to 2.0 parts by weight relative to 100 parts by weight of the tungsten bronze structure metal oxide. The tungsten bronze structure metal oxide has a c-axis orientation.

Abstract translation: 提供了一种含有高取向度的铌酸铋铋铋钙青铜结构金属氧化物的压电材料。 还提供了一种压电元件，液体排出头，超声波马达和包括压电材料的除尘装置。 压电材料包括钨青铜结构金属氧化物，其包括钡，铋，钙和铌的金属元素; 和钨。 当Bi / Nb = b，0.020＆nlE; b＆nlE; 0.065，当Ca / Nb = c时，金属元素满足以下条件：当Ba / Nb = a，0.37和nlE; a＆nlE; 0.40; c＆nlE; 0.10。 基于金属的钨含量相对于钨青铜结构金属氧化物100重量份为0.4〜2.0重量份。 钨青铜结构金属氧化物具有c轴取向。

公开(公告)号：US20130029181A1

公开(公告)日：2013-01-31

申请号：US13638356

申请日：2011-04-15

Applicant: Takanori Matsuda ,  Tatsuo Furuta ,  Takayuki Watanabe ,  Jumpei Hayashi ,  Nobuhiro Kumada

Inventor： Takanori Matsuda ,  Tatsuo Furuta ,  Takayuki Watanabe ,  Jumpei Hayashi ,  Nobuhiro Kumada

IPC: B05D1/36 ,  B32B5/02 ,  B32B18/00 ,  H01L41/24 ,  B05D3/00

CPC classification number: H01L41/43 ,  B28B1/008 ,  B28B1/26 ,  B28B11/12 ,  B32B18/00 ,  C01G25/006 ,  C01G33/006 ,  C04B35/4682 ,  C04B35/495 ,  C04B35/6261 ,  C04B2235/3208 ,  C04B2235/3215 ,  C04B2235/3251 ,  C04B2235/3262 ,  C04B2235/3298 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/6027 ,  C04B2235/605 ,  C04B2235/76 ,  C04B2235/77 ,  C04B2235/787 ,  C04B2237/345 ,  H01L41/1871

Abstract: A method of manufacturing ceramics includes: placing, on a base material, a first slurry in which a metal oxide powder is dispersed; applying a magnetic field to the first slurry to solidify the first slurry, thereby forming an under coat layer made of a first compact; placing, on the under coat layer, a second slurry containing a metal oxide powder constituting the ceramics; applying a magnetic field to the second slurry to solidify the second slurry, thereby forming a second compact to obtain a laminated body of the second compact and the under coat layer; and obtaining the ceramics made of the second compact by removing the under coat layer from the laminated body of the second compact and the under coat layer and then sintering the second compact, or sintering the laminated body of the second compact and the under coat layer and then removing the under coat layer.

Abstract translation: 制造陶瓷的方法包括：在基材上放置分散有金属氧化物粉末的第一浆料; 向第一浆料施加磁场以固化第一浆料，由此形成由第一压块制成的底涂层; 在下涂层上放置含有构成陶瓷的金属氧化物粉末的第二浆料; 向第二浆料施加磁场以固化第二浆料，从而形成第二压块以获得第二压块和下涂层的层压体; 通过从第二压块和下涂层的层叠体中除去下涂层，然后烧结第二压块，或者烧结第二压块和下涂层的层压体，从而获得由第二压模制成的陶瓷， 然后除去底涂层。