公开(公告)号：US06383408B1

公开(公告)日：2002-05-07

申请号：US09676995

申请日：2000-09-29

申请人： Katsuhiro Horikawa ,  Koji Matsubara

发明人： Katsuhiro Horikawa ,  Koji Matsubara

IPC分类号： H01B312

CPC分类号： H03H3/08 ,  C04B35/493 ,  H01L41/187 ,  H03H9/02543

摘要： A piezoelectric ceramic is provided which has a very low loss and superior workability in micro-fabrication. The piezoelectric ceramic contains at least Pb, Mn, Nb, Ti and Zr as primary metal components, in which, when the composition of the piezoelectric ceramic is represented by the formula Pbx{(MnaNbb)yTizZr(1−Y−z)}O3, the x, y, z, a, and b are, on a molar basis, such that 0.95≦x≦0.995, 0.055≦y≦0.10, 0.40≦z≦0.55, 2.01≦b/a≦2.40, and a+b=1. In addition, the average grain diameter of the sintered piezoelectric ceramic is about 2 &mgr;m or less.

摘要翻译： 提供了一种压电陶瓷，其在微制造中具有非常低的损耗和优异的可加工性。 压电陶瓷至少含有Pb，Mn，Nb，Ti和Zr作为主要金属成分，其中当压电陶瓷的组成由式Pbx {（MnaNbb）yTizZr（1-Yz）} O3）表示时， x，y，z，a和b以摩尔为基准，使得0.95 <= x <= 0.995,0.055 <= y <= 0.10,0. 0.40 <= z <= 0.55,2.01 <= b / = 2.40，a + b = 1。 另外，烧结压电陶瓷的平均粒径为2μm以下。

公开(公告)号：US06117355A

公开(公告)日：2000-09-12

申请号：US320320

申请日：1999-05-26

申请人： Isamu Yoshizawa ,  Katsuhiro Horikawa ,  Koichi Hayashi ,  Akira Ando

发明人： Isamu Yoshizawa ,  Katsuhiro Horikawa ,  Koichi Hayashi ,  Akira Ando

IPC分类号： H01L41/09 ,  C04B35/46 ,  H01L41/113 ,  H01L41/187 ,  H03H9/17 ,  C04B35/499 ,  C04B35/472 ,  H01L41/08

CPC分类号： H01L41/187

摘要： Provided is a piezoelectric ceramic composition containing a lead titanate which has excellent temperature stability of the resonance frequency, and is suitable for application in a filter, a vibrator or the like, and a piezoelectric element using the piezoelectric ceramic composition. A piezoelectric substrate comprising a ceramic material containing PbTiO.sub.3 is provided with vibrating electrodes on the front and rear surfaces. The ceramic material containing PbTiO.sub.3 contains not less than about 0.1% by weight or more than about 3.0% by weight of Mn based on MnCO.sub.3 as the subcomponent in the main component having a composition satisfying 0.02.ltoreq.x.ltoreq.0.16 and 0.15.ltoreq.y.ltoreq.0.50 of the general formula Pb.sub.1-1.5x Nd.sub.x [(In.sub.1/2 Nb.sub.1/2).sub.y Ti.sub.1-y ]O.sub.3.

摘要翻译： 本发明提供一种压电陶瓷组合物，其含有具有优异的共振频率的温度稳定性的钛酸铅，适用于过滤器，振动器等，以及使用该压电陶瓷组合物的压电元件。 包含含有PbTiO 3的陶瓷材料的压电基板在前表面和后表面上设置有振动电极。 含有PbTiO 3的陶瓷材料含有不低于约0.1重量％或大于约3.0重量％的Mn，以MnCO3为主成分的副成分，其组成满足0.02≤x≤0.16且0.15 < 通式为Pb1-1.5xNdx [（In + E，fra 1/2 + EE Nb + E，fra 1/2 + EE）yTi1-y] O3的/=y

公开(公告)号：US08062460B2

公开(公告)日：2011-11-22

申请号：US12905400

申请日：2010-10-15

申请人： Hiroshi Asano ,  Katsuhiro Horikawa ,  Masachika Takata ,  Masanori Kato

发明人： Hiroshi Asano ,  Katsuhiro Horikawa ,  Masachika Takata ,  Masanori Kato

IPC分类号： B32B37/02 ,  B32B38/04

CPC分类号： H03H3/02 ,  H01L41/083 ,  H01L41/273 ,  H01L41/338 ,  H03H9/178 ,  Y10T29/42 ,  Y10T156/1075 ,  Y10T156/13

摘要： There is provided a laminated piezoelectric ceramic element manufacturing method, wherein, even when the number of internal electrode laminations is increased, the lamination and cutting steps can be simplified, to enhance cutting precision and make cutting cost low. A first laminated body having stripe-like internal electrodes is cut into a plurality of second laminated bodies so as to have a width-direction dimension W corresponding to a width dimension of a laminated piezoelectric ceramic element chip to be ultimately obtained. Two or more second laminated bodies are laminated in the laminating direction to obtain a third laminated body, and the third laminated body is cut in the laminating direction and parallel to the width direction W to obtain a laminated piezoelectric body.

摘要翻译： 提供了一种叠层压电陶瓷元件的制造方法，其中，即使内部电极片的数量增加，也可以简化层压和切割步骤，从而提高切割精度并降低切割成本。 具有条状内部电极的第一层叠体被切割为多个第二层压体，以便具有与最终获得的叠层压电陶瓷元件芯片的宽度尺寸相对应的宽度方向尺寸W. 在层叠方向上层叠两层以上的第二层叠体，得到第三层叠体，在层叠方向上切断第三层叠体，与宽度方向W平行，得到层叠型压电体。

公开(公告)号：US20080290316A1

公开(公告)日：2008-11-27

申请号：US12187919

申请日：2008-08-07

申请人： Ryoko Katayama ,  Shinichiro Kawada ,  Katsuhiro Horikawa

发明人： Ryoko Katayama ,  Shinichiro Kawada ,  Katsuhiro Horikawa

IPC分类号： H01L41/187

CPC分类号： H01L41/187 ,  C04B35/495 ,  C04B2235/3201 ,  C04B2235/3203 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3234 ,  C04B2235/3248 ,  C04B2235/3286 ,  C04B2235/3293 ,  C04B2235/3294 ,  C04B2235/6025 ,  C04B2235/656 ,  C04B2235/6562 ,  C04B2235/85

摘要： A piezoelectric ceramic composition represented by the formula (1-x) (K1-a-bNaaLib)m(Nb1-c-dTacSbd)O3-x(K1/4Na1/4M31/2) M4O3, wherein M3 represents a metal element that is at least one of Yb, Y, In, Nd, Eu, Gd, Dy, Sm, Ho, Er, Tb, and Lu; M4 represents a metal element that is at least one of Ti, Zr, and Sn; and x, a, b, c, d, and m satisfy the inequalities 0.001≦x≦0.1, 0≦a≦0.9, 0≦b≦0.3, 0≦a+b≦0.9, 0≦c≦0.5, 0≦d≦0.1, and 0.7≦m≦1.3. The piezoelectric ceramic composition is not sintering resistant and has desired, sufficient piezoelectric properties as well as a sufficient firing temperature range suitable for mass production. Furthermore, the piezoelectric ceramic composition is effective in preventing insufficient polarization and effective in increasing the yield of products.

摘要翻译： 由式（1-x）（K1-a-bNaaLib）m（Nb1-c-dTacSbd）O3-x（K1 / 4Na1 / 4M31 / 2）M4O3表示的压电陶瓷组合物，其中，M3表示金属元素， Yb，Y，In，Nd，Eu，Gd，Dy，Sm，Ho，Er，Tb和Lu中的至少一种; M4表示作为Ti，Zr，Sn中的至少一种的金属元素， 并且x，a，b，c，d和m满足不等式0.001 <= x <= 0.1,0 <= a <= 0.9,0 <= b <= 0.3,0 <= a + b <= 0.9， 0 <= c <= 0.5,0 <= d <= 0.1，0.7 <= m <= 1.3。 压电陶瓷组合物不耐烧结并且具有足够的压电性能以及适合于批量生产的足够的烧制温度范围。 此外，压电陶瓷组合物有效地防止不充分的极化并有效提高产品的产率。

公开(公告)号：US20080061263A1

公开(公告)日：2008-03-13

申请号：US11852678

申请日：2007-09-10

申请人： Shinichiro Kawada ,  Ryoko Katayama ,  Katsuhiro Horikawa

发明人： Shinichiro Kawada ,  Ryoko Katayama ,  Katsuhiro Horikawa

IPC分类号： C04B35/00 ,  H01L41/187

CPC分类号： H01L41/273 ,  C04B35/495 ,  C04B2235/3201 ,  C04B2235/3203 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3232 ,  C04B2235/3234 ,  C04B2235/3236 ,  C04B2235/3244 ,  C04B2235/3248 ,  C04B2235/3249 ,  C04B2235/3262 ,  C04B2235/3272 ,  C04B2235/3279 ,  C04B2235/3281 ,  C04B2235/3284 ,  C04B2235/3286 ,  C04B2235/3293 ,  C04B2235/3294 ,  C04B2235/3298 ,  C04B2235/5409 ,  C04B2235/5445 ,  C04B2235/768 ,  C04B2235/79 ,  C04B2235/80 ,  H01L41/083 ,  H01L41/1873 ,  H01L41/43

摘要： A piezoelectric ceramic composition includes a primary component represented by the formula (1-x)(K1-a-bNaaLib)m(Nb1-c-dTacSbd)O3-xM1nM2O3, and 0.1 to 10 moles (preferably 1.5 to 10 moles) of at least one specific element selected from the group consisting of In, Sc, Y, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb, and Lu with respect to 100 moles of the primary component, wherein M1 is Ca, Sr, or Ba M2 is Ti, Zr, or Sn; and x, a, b, c, d, m, and n satisfy 0.005≦x≦0.1, 0≦a≦0.9, 0≦b≦0.3, 0≦a+b≦0.9, 0≦c≦0.5, 0≦d≦0.1, 0.9≦m≦1.1, and 0.9≦n≦1.1. Preferably, Mn, Ni, Fe, Zn, Cu, or Mg is further added. As a result, at both a very low and a high electric field, a high piezoelectric d constant can be stably obtained with a high efficiency.

摘要翻译： 一种压电陶瓷组合物包括由式（1-x）表示的主要组分（K 1-a B a Na a b b） （Nb 1-c 1）a C 1 -C 3 O 3 -x M 1

公开(公告)号：US06806625B2

公开(公告)日：2004-10-19

申请号：US10615020

申请日：2003-07-09

申请人： Tomoyuki Ogawa ,  Katsuhiro Horikawa ,  Toshikatsu Hisaki

发明人： Tomoyuki Ogawa ,  Katsuhiro Horikawa ,  Toshikatsu Hisaki

IPC分类号： H01L41187

CPC分类号： C04B35/493 ,  B32B18/00 ,  B32B2311/08 ,  C04B35/6262 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3251 ,  C04B2235/3279 ,  C04B2235/768 ,  C04B2235/79 ,  C04B2237/346 ,  C04B2237/348 ,  C04B2237/408 ,  C04B2237/704 ,  H01L41/083 ,  H01L41/1876

摘要： A piezoelectric ceramic composition is expressed by the formula Pb&agr;[{Niw/3Nb1−(w/3)}xTiyZrz]O3. The B site variables x, y, and z lie in a predetermined region in a ternary diagram. The Ni—Nb molar proportion variable satisfies the relationship 0.85≦w

公开(公告)号：US6080328A

公开(公告)日：2000-06-27

申请号：US290961

申请日：1999-04-13

申请人： Katsuhiro Horikawa

发明人： Katsuhiro Horikawa

IPC分类号： C04B35/49 ,  C04B35/491 ,  C04B35/493 ,  H01L41/187 ,  H01L41/22 ,  H01L41/333 ,  H01L41/39 ,  H01L41/43 ,  H01L41/00 ,  H01L41/083

CPC分类号： C04B35/491 ,  H01L41/1876 ,  H01L41/273 ,  H01L41/43

摘要： The present invention provides a method for producing a piezoelectric ceramic element in which evaporation of Pb contained in a piezoelectric material is prevented and which allows use of inexpensive metal as an electrode material without substantial deterioration of piezoelectric characteristics. The method includes the steps of (1) mixing at least oxides of Pb, Zr, Ti, Cr and Nb; (2) calcining the mixture; (3) crushing the calcined product and adding a Cu component in an amount of about 0.05-3.0 wt. % calculated as CuO; (4) adding a binder to the Cu-component-containing mixture; (5) molding the binder-containing mixture; (6) firing the molded product at 1100.degree. C. or less to produce a sintered product; and (7) forming electrodes on surfaces of the sintered product, the sintered product containing a primary component represented by the formula:Pb.sub.a [(Cr.sub.x Nb.sub.(1-x)).sub.y Zr.sub.(1-b-y) Ti.sub.b ]O.sub.3wherein 0.95.ltoreq.a.ltoreq.1.05; 0.40.ltoreq.b.ltoreq.0.55; 0.10.ltoreq.x.ltoreq.0.70; and 0.02.ltoreq.y.ltoreq.0.12, and a Cu component as a secondary component in an amount of about 0.05-3.0 wt. % calculated as CuO.

摘要翻译： 本发明提供了一种制造压电陶瓷元件的方法，其中防止了压电材料中所含的Pb的蒸发，并且允许使用便宜的金属作为电极材料，而不会显着降低压电特性。 该方法包括以下步骤：（1）至少混合Pb，Zr，Ti，Cr和Nb的氧化物; （2）煅烧混合物; （3）将煅烧产物粉碎并加入约0.05-3.0重量％的Cu组分。 ％计算为CuO; （4）向含Cu成分的混合物中添加粘合剂; （5）模塑含粘合剂的混合物; （6）在1100℃以下焙烧成型品，制造烧结体; 和（7）在烧结产品的表面上形成电极，该烧结产品含有由下式表示的主要组分：Pba [（CrxNb（1-x））yZr（1-by）Tib] O 3，其中0.95 < /=1.05; 0.40

公开(公告)号：US20110024033A1

公开(公告)日：2011-02-03

申请号：US12905400

申请日：2010-10-15

申请人： Hiroshi Asano ,  Katsuhiro Horikawa ,  Masachika Takata ,  Masanori Kato

发明人： Hiroshi Asano ,  Katsuhiro Horikawa ,  Masachika Takata ,  Masanori Kato

IPC分类号： H01L41/22

CPC分类号： H03H3/02 ,  H01L41/083 ,  H01L41/273 ,  H01L41/338 ,  H03H9/178 ,  Y10T29/42 ,  Y10T156/1075 ,  Y10T156/13

摘要： There is provided a laminated piezoelectric ceramic element manufacturing method, wherein, even when the number of internal electrode laminations is increased, the lamination and cutting steps can be simplified, to enhance cutting precision and make cutting cost low. A first laminated body having stripe-like internal electrodes is cut into a plurality of second laminated bodies so as to have a width-direction dimension W corresponding to a width dimension of a laminated piezoelectric ceramic element chip to be ultimately obtained. Two or more second laminated bodies are laminated in the laminating direction to obtain a third laminated body, and the third laminated body is cut in the laminating direction and parallel to the width direction W to obtain a laminated piezoelectric body.

摘要翻译： 提供了一种叠层压电陶瓷元件的制造方法，其中，即使内部电极片的数量增加，也可以简化层压和切割步骤，从而提高切割精度并降低切割成本。 具有条状内部电极的第一层叠体被切割为多个第二层压体，以便具有与最终获得的叠层压电陶瓷元件芯片的宽度尺寸相对应的宽度方向尺寸W. 在层叠方向上层叠两层以上的第二层叠体，得到第三层叠体，在层叠方向上切断第三层叠体，与宽度方向W平行，得到层叠型压电体。

公开(公告)号：US07504042B2

公开(公告)日：2009-03-17

申请号：US11723093

申请日：2007-03-16

申请人： Shinichiro Kawada ,  Katsuhiro Horikawa

发明人： Shinichiro Kawada ,  Katsuhiro Horikawa

IPC分类号： C04B35/00

CPC分类号： C04B35/493 ,  C01G33/006 ,  C01G53/006 ,  C01P2006/12 ,  C01P2006/40 ,  C04B35/499 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3227 ,  C04B2235/3244 ,  C04B2235/3251 ,  C04B2235/3279 ,  C04B2235/5409 ,  C04B2235/6025 ,  C04B2235/656 ,  C04B2235/768 ,  H01L41/083 ,  H01L41/1876

摘要： A piezoelectric ceramic composition is represented by [(Pb1-xXx)a{(Nib/3Nb2/3)cTidZr1-c-d}O3] in which X is at least one of Sr, Ba, Ca and La), and the compositional amounts x, a, b, c, and d respectively satisfy 0.001≦x≦0.1, 0.930≦a≦0.998, 1.02≦b≦1.40, 0.1≦c≦0.6 and 0.3≦d≦0.6. The specific surface area of the material powder before firing is preferably set to 5 m2/g or more. A piezoelectric ceramic body 1 is fabricated using the piezoelectric ceramic composition. In this manner, a sufficiently high piezoelectric constant can be obtained not only in the electric field range of 400 to 500 V/mm but also in an electric field range of 1 kV/mm or more. Furthermore, a piezoelectric ceramic composition that can be fired at a low-temperature and a piezoelectric ceramic electronic component using this composition can be provided.

摘要翻译： 压电陶瓷组合物由[（Pb1-xXx）a {（Nib / 3Nb2 / 3）cTidZr1-cd} O3]表示，其中X是Sr，Ba，Ca和La中的至少一种），组成量x ，a，b，c和d分别满足0.001 <= x <= 0.1,0.930 <= a <= 0.998,1.02 <= b <= 1.40,0.1 <= c <0.6和0.3 <= d <= 0.6 。 焙烧前的原料粉末的比表面积优选为5m 2 / g以上。 使用压电陶瓷组合物制造压电陶瓷体1。 以这种方式，不仅在400-500V / mm的电场范围内，还可以在1kV / mm以上的电场范围内获得足够高的压电常数。 此外，可以提供可以使用该组合物在低温下烧制的压电陶瓷组合物和压电陶瓷电子部件。

公开(公告)号：US07431785B2

公开(公告)日：2008-10-07

申请号：US10624537

申请日：2003-07-23

申请人： Katsuhiro Horikawa ,  Tomoyuki Ogawa

发明人： Katsuhiro Horikawa ,  Tomoyuki Ogawa

IPC分类号： C03B29/00 ,  B32B37/06 ,  H01L41/187 ,  C04B35/491

CPC分类号： C04B35/493 ,  C04B2235/3206 ,  C04B2235/3241 ,  C04B2235/3251 ,  C04B2235/3258 ,  C04B2235/3275 ,  C04B2235/3279 ,  C04B2235/3294 ,  C04B2235/6025 ,  C04B2235/656 ,  C04B2235/6584 ,  C04B2235/786 ,  C04B2235/79 ,  H01L41/083 ,  H01L41/1876 ,  H01L41/273

摘要： A monolithic piezoelectric part capable of yielding a high piezoelectric d constant and suppressing reduction in reliability such as deterioration in insulation resistance can be obtained by a method for manufacturing a monolithic piezoelectric part wherein a piezoelectric ceramic body is formed of a perovskite compound oxide expressed by the general formula of ABO3, and the molar quantity of the A site component, Pb, is reduced by about 0.5 mol % to 5.0 mol % from that of the stoichiometric composition, ceramic raw materials are combined so that the average valence of the B site component is greater than quadrivalent, which is the same as the stoichiometric composition, to synthesize the ceramic powdered raw material, which is processed subsequently to fabricate a layered article, and the layered article is subjected to sintering processing within an atmosphere wherein the oxygen concentration is about 5% or less but more than 0% by volume.

摘要翻译： 通过一种压电陶瓷体由钙钛矿复合氧化物形成的压电陶瓷体的制造方法可以获得能够产生高压电d常数并抑制诸如绝缘电阻劣化的可靠性降低的单片压电部件， ABO 3的通式和A位成分Pb的摩尔量与化学计量组成相比减少约0.5mol％至5.0mol％，将陶瓷原料组合使得 合成陶瓷粉末原料的B位成分的平均化合价大于与化学计量组成相同的四价值，随后加工成层状制品，层压制品经过烧结处理 其中氧浓度为约5％以下但大于0体积％的气氛。