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1. 发明申请

US20060087204A1 Stacked piezoelectric element and production method thereof 失效
标题翻译：堆叠压电元件及其制造方法
公开(公告)号：US20060087204A1
公开(公告)日：2006-04-27
申请号：US11221299
申请日：2005-09-07
申请人： Hitoshi Shindo , Eturo Yasuda , Masatoshi Ikeda , Masaya Nakamura , Tatsuhiko Nonoyama , Toshiatsu Nagaya
发明人： Hitoshi Shindo , Eturo Yasuda , Masatoshi Ikeda , Masaya Nakamura , Tatsuhiko Nonoyama , Toshiatsu Nagaya
IPC分类号： H01L41/187
CPC分类号： H01L41/273 , H01L41/0477 , H01L41/083 , H01L41/297
摘要： An object of the present invention is to provide a stacked piezoelectric element with excellent durability, which exhibits an excellent piezoelectric performance irrespective of containing or not containing Pb in the ceramic layer, ensures sufficiently suppressed segregation of the electrically conducting base metal material in the ceramic layer and allows for no segregation of a strengthening substance itself. A stacked piezoelectric element obtained by alternately stacking a piezoelectric ceramic layer and an electrode layer, wherein said electrode layer mainly comprises an electrically conducting base metal electrode material, and the region held between the electrode layer positioned at the top of each ceramic layer and the electrode layer positioned at the bottom of each ceramic layer contains a material having no piezoelectricity, in which a constituent element of said material having no piezoelectricity is uniformly dispersed so as not to have local distribution of a distributed strength exceeding 2 times the distributed strength which is distributed in a largest number of places and is not 0.
摘要翻译：本发明的目的是提供一种具有优异的耐久性的叠层型压电元件，不管在陶瓷层中含有还是不含有Pb，其表现出优异的压电性能，确保了陶瓷层中的导电性基体金属材料的充分抑制偏析并且不允许加强物质本身的分离。通过交替层叠压电陶瓷层和电极层而获得的堆叠压电元件，其中所述电极层主要包括导电基底金属电极材料，并且保持在位于每个陶瓷层顶部的电极层和电极之间的区域位于每个陶瓷层底部的层包含不具有压电性的材料，其中所述不具有压电性的材料的构成元素均匀分散，以便不具有超过分布强度分布强度的2倍的分布强度的局部分布在最多的地方，不是0。

2. 发明授权

US07531947B2 Stacked piezoelectric element and production method thereof 失效
标题翻译：堆叠压电元件及其制造方法
公开(公告)号：US07531947B2
公开(公告)日：2009-05-12
申请号：US11221299
申请日：2005-09-07
申请人： Hitoshi Shindo , Eturo Yasuda , Masatoshi Ikeda , Masaya Nakamura , Tatsuhiko Nonoyama , Toshiatsu Nagaya
发明人： Hitoshi Shindo , Eturo Yasuda , Masatoshi Ikeda , Masaya Nakamura , Tatsuhiko Nonoyama , Toshiatsu Nagaya
IPC分类号： H01L41/08
CPC分类号： H01L41/273 , H01L41/0477 , H01L41/083 , H01L41/297
摘要： A stacked piezoelectric element obtained by alternately stacking a piezoelectric ceramic layer and an electrode layer, wherein said electrode layer mainly comprises an electrically conducting base metal electrode material, and the region held between the electrode layer positioned at the top of each ceramic layer and the electrode layer positioned at the bottom of each ceramic layer contains a material having no piezoelectricity, in which a constituent element of said material having no piezoelectricity is uniformly dispersed so as not to have local distribution of a distributed strength exceeding 2 times the distributed strength which is distributed in a largest number of places and is not 0.
摘要翻译：通过交替层叠压电陶瓷层和电极层而获得的堆叠压电元件，其中所述电极层主要包括导电基底金属电极材料，并且保持在位于每个陶瓷层顶部的电极层和电极之间的区域位于每个陶瓷层底部的层包含不具有压电性的材料，其中所述不具有压电性的材料的构成元素均匀分散，以便不具有超过分布强度分布强度的2倍的分布强度的局部分布在最多的地方，不是0。

3. 发明授权

US06734607B2 Integrally fired, laminated electromechanical transducing element 失效
标题翻译：整体烧制，层压电机转换元件
公开(公告)号：US06734607B2
公开(公告)日：2004-05-11
申请号：US10029005
申请日：2001-12-28
申请人： Toshiatsu Nagaya , Youta Iwamoto , Hitoshi Shindo , Atsuhiro Sumiya , Eturo Yasuda
发明人： Toshiatsu Nagaya , Youta Iwamoto , Hitoshi Shindo , Atsuhiro Sumiya , Eturo Yasuda
IPC分类号： H01L4108
CPC分类号： H01L41/0471 , H01L41/0477 , H01L41/273
摘要： An integrally fired, laminated electromechanical transducing element, fabricated using an inexpensive electrode material and having the electrode characteristic at least equivalent to that of the Ag—Pd electrode, is disclosed. Especially, in the integrally fired, laminated electromechanical transducing element according to the invention, (A) the rigidity of the internal electrode layers is low and the internal stress generated at the time of expansion or contraction of the ceramic layers is small, (B) the antimigration characteristic is superior, (C) the charge loss is small, the heat conductivity is high and the heat radiation characteristic is superior, and/or (D) the bonding strength between the ceramic layers and the electrode layers is high. The integrally fired, laminated electromechanical transducing element (1) according to the invention comprises, for example, an integrally fired laminate member fabricated by integrally firing a plurality of the ceramic layers (11) of piezoelectric ceramic or electrostrictive ceramic and the internal electrode layers (21, 22) interposed between the ceramic layers (11). The main component of the internal electrode layers (21, 22) is a base metal having a rigidity of not more than 160 GPa.
摘要翻译：公开了一种使用便宜的电极材料制造且具有至少与Ag-Pd电极相当的电极特性的整体烧制的层压电机转换元件。特别地，在本发明的一体化烧结的层叠型机电转换元件中，（A）内部电极层的刚性低，陶瓷层的膨胀或收缩时产生的内应力小，（B）抗迁移特性优异，（C）电荷损失小，导热性高，散热特性优异，（D）陶瓷层与电极层的接合强度高。根据本发明的整体烧制的层压机电换能元件（1）包括例如通过一体地烧制多个压电陶瓷或电致伸缩陶瓷的陶瓷层（11）和内部电极层（介于陶瓷层（11）之间。内部电极层（21,22）的主要成分是具有不大于160GPa的刚性的母材。

4. 发明申请

US20060210781A1 Stacked ceramic body and production method thereof 审中-公开
公开(公告)号：US20060210781A1
公开(公告)日：2006-09-21
申请号：US11415314
申请日：2006-05-02
申请人： Toshiatsu Nagaya , Takashi Yamamoto , Akira Fujii , Atsuhiro Sumiya , Hitoshi Shindo , Eturo Yasuda
发明人： Toshiatsu Nagaya , Takashi Yamamoto , Akira Fujii , Atsuhiro Sumiya , Hitoshi Shindo , Eturo Yasuda
IPC分类号： B32B18/00
CPC分类号： H01L41/083 , H01L41/0471 , H01L41/273 , Y10T428/24926
摘要： This invention provides a stacked ceramic body that prevents reaction between components of dielectric layers and components of electrode layers of an unsintered stacked body during sintering and in which both components do not easily form a liquid phase, and a production method of such a stacked ceramic body. A print portion 13 is formed on a green sheet 1, 12 containing lead by use of an electrode paste consisting of copper oxide as its main component. A desired number of print sheets 10 are stacked to give an unsintered stacked body 15. Degreasing is conducted in an atmosphere to degrease organic components. The print portion 13 is subjected to reducing treatment in a reducing atmosphere containing hydrogen and is converted to a print portion 13 containing copper as its main component. The unsintered stacked body 15 is sintered in a reducing atmosphere. Dielectric layers containing lead and electrode layers for applying a voltage to the dielectric layers are alternately stacked, and an oxidation portion containing copper is formed in the proximity of a surface of the electrode layer. A thickness of the oxidation portion in a stacking direction is 0.5 to 2 μm and a copper content in the oxidation portion is 1 to 30 wt %.

5. 发明授权

US07083745B2 Production method for laminate type dielectric device and electrode paste material 失效
标题翻译：层压型电介质器件和电极糊料的生产方法
公开(公告)号：US07083745B2
公开(公告)日：2006-08-01
申请号：US10029006
申请日：2001-12-28
申请人： Hitoshi Shindo , Atsuhiro Sumiya , Eturo Yasuda , Takashi Yamamoto , Toshiatsu Nagaya
发明人： Hitoshi Shindo , Atsuhiro Sumiya , Eturo Yasuda , Takashi Yamamoto , Toshiatsu Nagaya
IPC分类号： H01B1/14 , H01B1/08 , H01G4/10 , C04B35/491 , C04B35/01
CPC分类号： H01G4/0085 , H01L41/0471 , H01L41/0477 , H01L41/273 , H01L41/297 , H05K1/092
摘要： This invention provides a method of producing a laminate type dielectric device free from peeling of an electrode layer and a ceramic layer and from voids in both electrode layer and ceramic layer, and an electrode paste material. The invention relates also to an electrode paste material for constituting electrode layers of a laminate type dielectric device produced by at least the steps of alternately laminating ceramic layers 11 containing a lead element as a constituent component and electrode layers 2, and degreasing and baking the laminate, wherein the electrode paste material contains CuO as a principal component of a starting material of an electrically conductive material, a solvent, a binder, and a cooperative material consisting of at least one kind of the main components constituting the ceramic layer 11.
摘要翻译：本发明提供一种不会剥离电极层和陶瓷层以及从电极层和陶瓷层中的空隙剥离的叠层型电介质器件的制造方法和电极糊料。本发明还涉及用于构成层压型电介质器件的电极层的电极糊材料，该电极浆料材料至少通过交替层叠包含铅元素作为构成成分的陶瓷层11和电极层2，以及对层压体进行脱脂和烘烤其中，所述电极浆料含有CuO作为导电材料的原料的主要成分，溶剂，粘合剂，以及由构成陶瓷层11的至少一种主要成分构成的配合材料。

6. 发明授权

US06972060B2 Method for producing stacked ceramic body 失效
标题翻译：堆叠陶瓷体的制造方法
公开(公告)号：US06972060B2
公开(公告)日：2005-12-06
申请号：US10405234
申请日：2003-04-03
申请人： Eturo Yasuda , Atsuhiro Sumiya , Hitoshi Shindo , Toshiatsu Nagaya , Takashi Yamamoto
发明人： Eturo Yasuda , Atsuhiro Sumiya , Hitoshi Shindo , Toshiatsu Nagaya , Takashi Yamamoto
IPC分类号： H01L41/083 , C04B35/491 , H01L41/187 , H01L41/22 , H01L41/273 , H01L41/43 , C03B29/00
CPC分类号： C04B35/63 , B32B2311/12 , C04B35/491 , C04B2235/3201 , C04B2235/3206 , C04B2235/3224 , C04B2235/3251 , C04B2235/3258 , C04B2235/3272 , C04B2235/3275 , C04B2235/3279 , C04B2235/3281 , C04B2235/3284 , C04B2235/3286 , C04B2235/65 , C04B2235/652 , C04B2235/6582 , C04B2235/6583 , C04B2235/6584 , C04B2237/346 , C04B2237/348 , C04B2237/407 , H01L41/1876 , H01L41/273
摘要： This invention provides a method for producing a stacked ceramic body that does not require strict control of an oxygen partial pressure in a sintering gas. To produce a stacked ceramic body by alternately stacking dielectric layer and electrode layers, an unsintered stacked body 2 is prepared by alternately stacking unsintered dielectric layers containing a PZT type dielectric material and unsintered electrode layers containing an electrode material, and is sintered in a sintering gas to which a dielectric layer anti-reducing agent 21 and an electrode layer anti-oxidant 22 are introduced. Alternatively, sintering is conducted in a gas containing only the dielectric layer anti-reducing agent 21 or in a gas containing only the electrode layer anti-oxidant 22.
摘要翻译：本发明提供一种不需要严格控制烧结气体中的氧分压的层叠陶瓷体的制造方法。为了通过交替堆叠电介质层和电极层来制造堆叠的陶瓷体，通过交替堆叠包含PZT型电介质材料的未烧结电介质层和含有电极材料的未烧结电极层来制备未烧结的层叠体2，并在烧结气体引入介电层抗还原剂21和电极层抗氧化剂22。或者，仅在仅包含电介质层抗还原剂21的气体中或仅含有电极层抗氧化剂22的气体中进行烧结。

7. 发明授权

US07063813B1 Stacked ceramic body and production method thereof 失效
标题翻译：堆叠陶瓷体及其制造方法
公开(公告)号：US07063813B1
公开(公告)日：2006-06-20
申请号：US10318359
申请日：2002-12-13
申请人： Toshiatsu Nagaya , Takashi Yamamoto , Akira Fujii , Atsuhiro Sumiya , Hitoshi Shindo , Eturo Yasuda
发明人： Toshiatsu Nagaya , Takashi Yamamoto , Akira Fujii , Atsuhiro Sumiya , Hitoshi Shindo , Eturo Yasuda
IPC分类号： C04B37/00 , C04B33/32
CPC分类号： H01L41/083 , H01L41/0471 , H01L41/273 , Y10T428/24926
摘要： This invention provides a stacked ceramic body that prevents reaction between components of dielectric layers and components of electrode layers of an unsintered stacked body during sintering and in which both components do not easily form a liquid phase, and a production method of such a stacked ceramic body. A print portion 13 is formed on a green sheet 1, 12 containing lead by use of an electrode paste consisting of copper oxide as its main component. A desired number of print sheets 10 are stacked to give an unsintered stacked body 15. Degreasing is conducted in an atmosphere to degrease organic components. The print portion 13 is subjected to reducing treatment in a reducing atmosphere containing hydrogen and is converted to a print portion 13 containing copper as its main component. The unsintered stacked body 15 is sintered in a reducing atmosphere. Dielectric layers containing lead and electrode layers for applying a voltage to the dielectric layers are alternately stacked, and an oxidation portion containing copper is formed in the proximity of a surface of the electrode layer. A thickness of the oxidation portion in a stacking direction is 0.5 to 2 μm and a copper content in the oxidation portion is 1 to 30 wt %.
摘要翻译：本发明提供一种层叠陶瓷体，其在烧结时防止电介质层的成分与未烧结层叠体的电极层的成分之间的反应，并且其中两种成分都不容易形成液相，以及这种层叠陶瓷体的制造方法。通过使用以氧化铜为主要成分的电极糊料，在含有铅的生片1,12上形成印刷部13。堆叠所需数量的打印片材10以得到未烧结的叠层体15。在大气中进行脱脂以使有机组分脱脂。打印部分13在含有氢的还原气氛中进行还原处理，并转换成包含铜作为其主要成分的印刷部分13。未烧结的堆叠体15在还原气氛中烧结。包含用于向电介质层施加电压的引线和电极层的介电层交替堆叠，并且在电极层的表面附近形成含有铜的氧化部分。层叠方向的氧化部的厚度为0.5〜2μm，氧化部的铜含量为1〜30重量％。

8. 发明授权

US06916754B2 Dielectric ceramic material and method for producing the same 失效
标题翻译：介电陶瓷材料及其制造方法
公开(公告)号：US06916754B2
公开(公告)日：2005-07-12
申请号：US10028991
申请日：2001-12-28
申请人： Atsuhiro Sumiya , Hitoshi Shindo , Eturo Yasuda , Takumi Kataoka , Toshiatsu Nagaya , Akira Fujii , Takashi Yamamoto
发明人： Atsuhiro Sumiya , Hitoshi Shindo , Eturo Yasuda , Takumi Kataoka , Toshiatsu Nagaya , Akira Fujii , Takashi Yamamoto
IPC分类号： C04B35/00 , C04B35/491 , C04B35/497 , H01B3/12 , H01L41/083 , H01L41/107 , H01L41/187 , H01L41/22 , H01L41/273 , H01L41/333 , H01L41/39
CPC分类号： H01L41/1876 , C04B35/497 , H01L41/273 , H01L41/43
摘要： A PZT dielectric ceramic material is sintered at a desired low temperature to prevent deterioration of the performance of the base material.An auxiliary oxide is used that is made by adding the oxide of at least one of tungsten and molybdenum to lead oxide in the following proportions: PbOx+(WO3y+MoO3z) where x+y+z=1, 0.005
摘要翻译： PZT介电陶瓷材料在期望的低温下烧结以防止基材的性能劣化。使用辅助氧化物，其通过以下列比例将钨和钼中的至少一种的氧化物添加到氧化铅中来制备：<？在线公式描述=“在线公式”end =“lead”→> PbOx +（WO 3 / Y + MoO 3 z）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中x + y + z = 1，0.005 = 0。将0.5mol％至20mol％的该辅助氧化物加入到电介质陶瓷材料的原料材料或其具有组成为ABO 3 N 3型介电陶瓷材料的组合物的混合物中，其中0.9摩尔比或更大铅的含量在现场A中，假定B的比例为1，并且材料被混合，形成和烧结。与1摩尔铅成比例地组合的钨和钼的含量小于0.098摩尔，烧结后的介电陶瓷材料的密度为7.5克/厘米3以上。将辅助氧化物分散在煅烧粉末中以在所需温度下形成液相，以加速烧结，从而使得可以在较低温度下烧结。

9. 发明授权

US07272876B2 Method for fabricating laminate-type dielectric element 失效
标题翻译：叠层型电介质元件的制造方法
公开(公告)号：US07272876B2
公开(公告)日：2007-09-25
申请号：US10700371
申请日：2003-11-04
申请人： Atsuhiro Sumiya , Eturo Yasuda , Hitoshi Shindo , Akira Fujii , Takashi Yamamoto , Toshiatsu Nagaya , Kumi Sawaguchi , Ryoji Kai
发明人： Atsuhiro Sumiya , Eturo Yasuda , Hitoshi Shindo , Akira Fujii , Takashi Yamamoto , Toshiatsu Nagaya , Kumi Sawaguchi , Ryoji Kai
IPC分类号： H01G7/00
CPC分类号： H01G4/30 , H01G4/008 , H01L41/083 , H01L41/1876 , H01L41/273 , H01L41/297 , Y10T29/42 , Y10T29/43 , Y10T29/435 , Y10T29/49117 , Y10T29/49126 , Y10T29/49128 , Y10T29/49147
摘要： A method of producing a laminated dielectric element of high quality, free of delamination. A method of producing a laminated dielectric element 1 by alternately laminating dielectric ceramic layers 12 and base metal electrode layers 13, comprising the steps of printing electrodes by applying a paste material for the base metal electrodes onto the surfaces of at least one side of the ceramic green sheets, laminating and press-adhering the ceramic green sheets to fabricate a laminate thereof, dewaxing the laminate, reducing the electrodes to form base metal electrode layers by heating the laminate while flowing an atmospheric gas and by reducing the paste material for the base metal electrodes, and sintering the laminate. In the step of reducing the electrodes, the paste material for the base metal electrodes is so reduced that the amount of the base metal oxide remaining in the base metal electrode layers is not larger than 20% by weight and that the amount of lead liberated from the ceramic material is not larger than 30 atomic % within 5000 Å from the surfaces of the base metal electrode layers.
摘要翻译：一种高质量，无分层的叠层电介质元件的制造方法。通过交替层叠电介质陶瓷层12和基底金属电极层13来制造叠层电介质元件1的方法，包括以下步骤：通过将贱金属电极的糊料施加到陶瓷的至少一侧的表面上来印刷电极生片，层叠和压制陶瓷生片以制造其层压体，使层压体脱蜡，通过在流过大气气体的同时加热层压体并且通过还原贱金属的糊料来减少电极以形成贱金属电极层电极，并烧结层压板。在减少电极的步骤中，用于贱金属电极的糊料材料减少，使得残留在贱金属电极层中的贱金属氧化物的量不大于20重量％，并且从在贱金属电极层的表面内的陶瓷材料不大于30原子％。

10. 发明授权

US06809040B2 Method for manufacturing laminated dielectrics 失效
标题翻译：叠层电介质的制造方法
公开(公告)号：US06809040B2
公开(公告)日：2004-10-26
申请号：US10209670
申请日：2002-08-01
申请人： Atsuhiro Sumiya , Eturo Yasuda , Hitoshi Shindo , Yasunori Suzuki , Takashi Yamamoto , Toshiatsu Nagaya , Noriaki Kihara
发明人： Atsuhiro Sumiya , Eturo Yasuda , Hitoshi Shindo , Yasunori Suzuki , Takashi Yamamoto , Toshiatsu Nagaya , Noriaki Kihara
IPC分类号： H01L2131
CPC分类号： C04B35/493 , B32B18/00 , B32B2311/12 , C04B35/638 , C04B35/64 , C04B2235/3239 , C04B2235/3251 , C04B2235/3258 , C04B2235/3265 , C04B2235/3281 , C04B2235/5445 , C04B2235/652 , C04B2235/6582 , C04B2235/6584 , C04B2235/661 , C04B2237/346 , C04B2237/348 , C04B2237/40 , C04B2237/407 , C04B2237/704 , C04B2237/706 , H01L41/083 , H01L41/1876 , H01L41/273
摘要： A method of manufacturing large-sized laminated dielectrics of high quality which permit adjustment of the atmosphere during sintering process to be accomplished easily, and which can eliminate the problems such as expansion due to reaction with the atmosphere gas. When a laminated body 1, consisting of oxide dielectric layers 2 and inner electrode layers 3 having a base metal such as Cu as a main component, is sintered in a reducing atmosphere, a mixed gas having CO2 gas as a main component and containing optional amount of CO gas and O2 gas is used. By using the equilibrium system of CO2⇄2CO+(1/2)O2 and adjusting the amounts of CO gas and O2 gas, oxygen partial pressure in the atmosphere gas can be easily and stably adjusted and fluctuation and variation in the atmosphere can be suppressed.
摘要翻译：制造高质量的大尺寸叠层电介质的方法，其允许容易地在烧结过程中调节气氛，并且可以消除由于与气氛气体的反应引起的膨胀等问题。当由氧化物介电层2和以贱金属如Cu为主要成分的内层电极层3构成的层叠体1在还原气氛中烧结时，以CO 2气体为主要成分并含有任选量的混合气体的CO气体和O2气体。通过使用CO2⇄2CO+（1/2）O2的平衡系统并调节CO气体和O2气体的量，可以容易且稳定地调节气氛气体中的氧分压，并且可以抑制气氛的波动和变化。

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