公开(公告)号：US07554250B2

公开(公告)日：2009-06-30

申请号：US11641121

申请日：2006-12-19

申请人： Shige Kadotani ,  Akio Iwase ,  Teruaki Yamaguchi

发明人： Shige Kadotani ,  Akio Iwase ,  Teruaki Yamaguchi

IPC分类号： H01L41/047

CPC分类号： H01L41/0833 ,  F02M63/0026 ,  H01L41/0472 ,  H01L41/293

摘要： A laminate-type piezoelectric element has a ceramic laminated body obtained by alternately laminating piezoelectric layers made of a piezoelectric material and inner electrode layers having electrical conductivity. Outer electrodes are joined to side surfaces of the ceramic laminated body via an electrically conductive adhesive. The electrically conductive adhesive has buried therein mesh bodies obtained by forming a mesh by using a nonmetallic material. The mesh bodies are desirably constituted by using any one of a resin, ceramic, carbon or glass.

摘要翻译： 叠层型压电元件具有通过交替层叠由压电材料制成的压电层和具有导电性的内部电极层而获得的陶瓷层叠体。 外电极通过导电粘合剂与陶瓷层叠体的侧表面接合。 导电粘合剂已经埋设有通过使用非金属材料形成网而获得的网状体。 网状体优选通过使用树脂，陶瓷，碳或玻璃中的任一种构成。

公开(公告)号：US20070164638A1

公开(公告)日：2007-07-19

申请号：US11641121

申请日：2006-12-19

申请人： Shige Kadotani ,  Akio Iwase ,  Teruaki Yamaguchi

发明人： Shige Kadotani ,  Akio Iwase ,  Teruaki Yamaguchi

IPC分类号： H01L41/083

CPC分类号： H01L41/0833 ,  F02M63/0026 ,  H01L41/0472 ,  H01L41/293

摘要： A laminate-type piezoelectric element 1 having a ceramic laminated body 10 obtained by alternately laminating piezoelectric layers 11 made of a piezoelectric material and inner electrode layers 20 having electrical conductivity, and having outer electrodes 34 joined to the side surfaces 101 and 102 of the ceramic laminated body 10 via an electrically conductive adhesive 33, wherein the electrically conductive adhesive 33 has buried therein mesh bodies 4 obtained by forming a mesh by using a nonmetallic material. The mesh bodies 4 are desirably constituted by using any one of a resin, ceramic, carbon or glass.

摘要翻译： 具有通过交替层叠由压电材料制成的压电层11和具有导电性的内部电极层20而获得的陶瓷层叠体10的层叠型压电元件1，并且具有接合到陶瓷的侧表面101和102的外部电极34 层压体10经由导电性粘合剂33而形成，其中，导电性粘合剂33埋设有通过使用非金属材料形成网状而得到的网状体4。 网状体4优选使用树脂，陶瓷，碳或玻璃中的任一种构成。

公开(公告)号：US20070124903A1

公开(公告)日：2007-06-07

申请号：US11606356

申请日：2006-11-30

申请人： Akio Iwase ,  Shige Kadotani ,  Tetsuji Itou

发明人： Akio Iwase ,  Shige Kadotani ,  Tetsuji Itou

IPC分类号： H04R17/00

CPC分类号： H01L41/273 ,  F02M63/0026 ,  H01L41/0838 ,  Y10T29/42 ,  Y10T29/435 ,  Y10T29/49078 ,  Y10T29/49128 ,  Y10T29/4913 ,  Y10T29/49139

摘要： A method of producing a laminate-type piezoelectric element, wherein a ceramic laminated body therein is formed through an intermediate laminated body-forming step of forming an intermediate laminated body 100 by alternately laminating green sheets 110 that serve as the piezoelectric layers and the inner electrode layers 20, and a calcining step of forming the ceramic laminated body by calcining the intermediate laminated body 100. In the intermediate laminated body-forming step, an overlapped portion 108 and a non-overlapped portion 109 are formed in the intermediate laminated body 100, and voids 40 are formed, in advance, in at least part of the portion that becomes the non-overlapped portion 109. In the calcining step, relaxing layers including the voids 40 are formed.

摘要翻译： 一种叠层型压电元件的制造方法，其中通过中间层叠体形成步骤形成陶瓷层叠体，所述中间层叠体形成步骤通过交替层叠用作压电层的生片110和内电极 层20，以及通过煅烧中间层压体100来形成陶瓷层叠体的煅烧步骤。 在中间层叠体形成工序中，在中间层叠体100中形成有重叠部分108和非重叠部分109，并且预先在成为非层叠体部分的部分的至少一部分中形成空隙40， 重叠部分109。 在煅烧步骤中，形成包括空隙40的松弛层。

公开(公告)号：US20050230028A1

公开(公告)日：2005-10-20

申请号：US11098457

申请日：2005-04-05

申请人： Akio Iwase ,  Toshio Ooshima ,  Tetsuji Itou ,  Shige Kadotani

发明人： Akio Iwase ,  Toshio Ooshima ,  Tetsuji Itou ,  Shige Kadotani

IPC分类号： B28B11/12 ,  B28B11/16 ,  B32B18/00 ,  C03B29/00 ,  C04B35/111 ,  C04B35/453 ,  C04B35/46 ,  C04B35/468 ,  C04B35/486 ,  C04B35/491 ,  C04B35/581

CPC分类号： B32B18/00 ,  B28B11/168 ,  C04B35/111 ,  C04B35/453 ,  C04B35/46 ,  C04B35/4682 ,  C04B35/486 ,  C04B35/491 ,  C04B35/581 ,  C04B2235/3284 ,  C04B2235/9623 ,  C04B2237/62 ,  C04B2237/704

摘要： A method for producing thin sheet-like ceramic plates comprising the steps of: forming a green sheet from a ceramic raw material; arranging a separation material comprising a burning loss material capable of being burnt and lost by baking, in a punch-out area for punching out sheet pieces on a surface of the green sheet; punching out the punch-out area from the green sheet to obtain the sheet pieces; stacking the punched out sheet pieces to form an intermediate stacked body; baking the intermediate stacked body to obtain a baked stacked body comprising ceramic layers stacked one upon another; and separating the ceramic layers from the baked stacked body to obtain discrete ceramic sheets, and thin sheet-like ceramic plates produced using this production method.

摘要翻译： 一种生产薄片状陶瓷板的方法，包括以下步骤：从陶瓷原料形成生片; 在生坯片的表面上冲切出片材的冲孔区域设置包含能够通过烘烤而烧失的材料的分离材料; 从生坯片上冲出穿孔区域以获得片材; 堆叠冲压片材以形成中间层叠体; 烘烤中间层叠体以获得包括彼此堆叠的陶瓷层的烘烤堆叠体; 并且将陶瓷层与烘焙叠层体分离，得到分立陶瓷片，使用该制造方法制造薄片状陶瓷片。

公开(公告)号：US20060043841A1

公开(公告)日：2006-03-02

申请号：US11212563

申请日：2005-08-29

申请人： Shige Kadotani ,  Akio Iwase

发明人： Shige Kadotani ,  Akio Iwase

IPC分类号： H01L41/083

CPC分类号： H01L41/0472 ,  H01L41/0477 ,  H01L41/0833 ,  H01L41/293

摘要： An object of the present invention is to provide a stacked piezoelectric element with excellent reliability and durability, a production method thereof and an electrically conducting adhesive. A stacked piezoelectric element comprising a ceramic stack obtained by alternately stacking a piezoelectric layer comprising a piezoelectric material and an internal electrode layer having electrical conductivity, and an electrically conducting adhesive layer provided to allow for electrical conduction to said internal electrode layer of the same polarity on the side surface of said ceramic stack, wherein said electrically conducting adhesive layer comprises a base resin having dispersed therein an electrically conducting filler and microparticles, and the boundary between said microparticle and said base resin is in a state that a void is formed at least in a part between those two members or in a state that when said base resin is elongated, a void can be formed between those two members.

摘要翻译： 本发明的目的是提供一种具有优异的可靠性和耐久性的堆叠式压电元件及其制造方法和导电粘合剂。 一种堆叠式压电元件，包括通过交替堆叠包括压电材料的压电层和具有导电性的内部电极层而获得的陶瓷叠层，以及导电粘合剂层，其设置成允许对所述内部电极层的导电具有相同的极性 所述陶瓷堆叠的侧表面，其中所述导电粘合剂层包括其中分散有导电填料和微粒的基础树脂，并且所述微粒和所述基础树脂之间的边界处于至少形成空隙的状态 这两个构件之间的部分或者当所述基础树脂伸长时，可以在这两个构件之间形成空隙。

公开(公告)号：US08240582B2

公开(公告)日：2012-08-14

申请号：US12528683

申请日：2008-02-26

申请人： Satoshi Suzuki ,  Atsushi Murai ,  Hiroaki Asano ,  Kouji Noda ,  Toshiatu Nagaya ,  Akio Iwase ,  Akira Fujii ,  Shige Kadotani

发明人： Satoshi Suzuki ,  Atsushi Murai ,  Hiroaki Asano ,  Kouji Noda ,  Toshiatu Nagaya ,  Akio Iwase ,  Akira Fujii ,  Shige Kadotani

IPC分类号： B05B1/08

CPC分类号： H01L41/0838 ,  F02M63/0026 ,  H01L41/273

摘要： A stacked piezoelectric device 1 including a ceramic laminate formed by laminating piezoelectric ceramic layers and inner electrode layers alternately and a pair of side electrodes. The inner electrode layers 13 and 14 have inner electrode portions 131 and 141 and the recessed portions 132 and 142. The ceramic laminate 15 has the stress absorbing portions 11 and 12. A recessed distance of one of two of the recessed portions 132 and 142 which interleave the stress absorbing portions 11 and 12 therebetween which is located on the same side surface as the stress absorbing portion 11 or 12 is greater than the depth of the stress absorbing portion 11 and 12.

摘要翻译： 包括通过交替层叠压电陶瓷层和内部电极层而形成的陶瓷层叠体的叠层型压电装置1和一对侧面电极。 内部电极层13和14具有内部电极部分131和141以及凹陷部分132和142.陶瓷层压体15具有应力吸收部分11和12.两个凹部132和142中的一个的凹入距离 交替位于与应力吸收部分11或12相同的侧表面上的应力吸收部分11和12大于应力吸收部分11和12的深度。

公开(公告)号：US20100139621A1

公开(公告)日：2010-06-10

申请号：US12528677

申请日：2008-02-26

申请人： Atsushi Murai ,  Satoshi Suzuki ,  Toshiatu Nagaya ,  Akio Iwase ,  Akira Fujii ,  Shige Kadotani

发明人： Atsushi Murai ,  Satoshi Suzuki ,  Toshiatu Nagaya ,  Akio Iwase ,  Akira Fujii ,  Shige Kadotani

IPC分类号： F02M51/00 ,  H01L41/083 ,  H01L41/24 ,  H01L41/047

CPC分类号： H01L41/273 ,  H01L41/0838 ,  Y10T29/42

摘要： A stacked piezoelectric device 1 includes a ceramic laminate 15 formed by laminating a plurality of piezoelectric ceramic layers 11 and a plurality of inner electrode layers 13 and 14 alternately and a pair of side electrodes 17 and 18 formed on side surfaces thereof. The inner electrode layers 13 and 14 are connected electrically to either of the side electrodes. The ceramic laminate 15 has absorbing portions 12 formed in slit-like areas recessed inwardly from the side surfaces thereof. The stress absorbing portions are easier to deform than the piezoelectric ceramic layers 11. Adjacent two of the inner electrode layers 13 and 14 interleaving the stress absorbing portion 12 therebetween are both connected electrically to the positive side electrode 17.

摘要翻译： 堆叠式压电装置1包括通过交替地层叠多个压电陶瓷层11和多个内部电极层13和14而形成的陶瓷层压体15和形成在其侧表面上的一对侧面电极17和18。 内电极层13和14电连接到任一侧电极。 陶瓷层叠体15具有从其侧面向内凹陷的狭缝状区域形成的吸收部12。 应力吸收部分比压电陶瓷层11更容易变形。彼此相邻的内部电极层13和14之间的两个内部电极层13和14两者都与正极侧电极17电连接。

公开(公告)号：US20050231074A1

公开(公告)日：2005-10-20

申请号：US11101458

申请日：2005-04-08

申请人： Akio Iwase ,  Shige Kadotani ,  Kenji Suzuki

发明人： Akio Iwase ,  Shige Kadotani ,  Kenji Suzuki

IPC分类号： F02M51/00 ,  F02M51/06 ,  H01L41/083 ,  H01L41/187 ,  H01L41/22 ,  H01L41/273 ,  H01L41/297 ,  H01L41/339 ,  H02N2/00

CPC分类号： H01L41/293 ,  B26F2001/407 ,  H01L41/0472 ,  H01L41/0833

摘要： A stacked-type piezoelectric device comprising a ceramic stacked body constituted by alternately stacking ceramic layers and internal electrode layers one upon another, and a pair of external electrodes bonded respectively to a pair of bond surfaces formed on an outer peripheral surface of the ceramic stacked body, in which the ceramic stacked body has, at least partially in a peripheral direction, a groove portion recessed in a groove shape from its outer peripheral surface in such a fashion as to be adjacent to a stacking surface of each internal electrode layer, and a production method thereof.

摘要翻译： 一种层叠型压电元件，其特征在于，具有通过交替地层叠陶瓷层和内部电极层而构成的陶瓷层叠体，以及分别与形成在所述陶瓷层叠体的外周面上的一对接合面接合的一对外部电极 其特征在于，陶瓷层叠体至少部分地具有圆周方向，从与其外周面凹入的槽状，与邻接于每个内部电极层的堆叠表面的方式， 生产方法。

公开(公告)号：US07594309B2

公开(公告)日：2009-09-29

申请号：US11606356

申请日：2006-11-30

申请人： Akio Iwase ,  Shige Kadotani ,  Tetsuji Itou

发明人： Akio Iwase ,  Shige Kadotani ,  Tetsuji Itou

IPC分类号： H01L41/22 ,  H02N2/00

CPC分类号： H01L41/273 ,  F02M63/0026 ,  H01L41/0838 ,  Y10T29/42 ,  Y10T29/435 ,  Y10T29/49078 ,  Y10T29/49128 ,  Y10T29/4913 ,  Y10T29/49139

摘要： A method of producing a laminate-type piezoelectric element, wherein a ceramic laminated body therein is formed through an intermediate laminated body-forming step of forming an intermediate laminated body 100 by alternately laminating green sheets 110 that serve as the piezoelectric layers and the inner electrode layers 20, and a calcining step of forming the ceramic laminated body by calcining the intermediate laminated body 100. In the intermediate laminated body-forming step, an overlapped portion 108 and a non-overlapped portion 109 are formed in the intermediate laminated body 100, and voids 40 are formed, in advance, in at least part of the portion that becomes the non-overlapped portion 109. In the calcining step, relaxing layers including the voids 40 are formed.

摘要翻译： 一种叠层型压电元件的制造方法，其中通过中间层叠体形成步骤形成陶瓷层叠体，所述中间层叠体形成步骤通过交替层叠用作压电层的生片110和内电极 层20以及通过煅烧中间层叠体100来形成陶瓷层叠体的煅烧步骤。在中间层叠体形成工序中，在中间层叠体100中形成有重叠部108和非重叠部109， 并且预先在成为非重叠部分109的部分的至少一部分中形成空隙40.在煅烧步骤中，形成包括空隙40的松弛层。

公开(公告)号：US07309945B2

公开(公告)日：2007-12-18

申请号：US11046699

申请日：2005-02-01

申请人： Akio Iwase ,  Tetsuji Ito ,  Toshio Ooshima ,  Shige Kadotani

发明人： Akio Iwase ,  Tetsuji Ito ,  Toshio Ooshima ,  Shige Kadotani

IPC分类号： H01L41/04 ,  H01L41/047

CPC分类号： H01L41/273 ,  H01L41/0838

摘要： The invention provides a laminate-type piezoelectric element comprising a ceramic laminate 10 with ceramic layers 11 and internal electrode layers 12 respectively stacked alternately, and a pair of external electrodes respectively connecting with a pair of connecting areas 15 formed at an outer peripheral area of the ceramic laminate 10. The internal electrode layer comprises an internal electrode part 120 with electric conductivity, and a non-pole part 120 where the internal electrode part 120 does not exist at the inside near an outer peripheral area. The ceramic laminate 10 comprises stress relaxation parts 13 able to modify more easily their shapes than the ceramic layers 11, along at least a part of said internal electrode layers. This stress relaxation part 13 is placed so as to overlap with the non-pole part 129 of either of the internal electrode layers 12, in a stacking direction of the ceramic laminate 10.

摘要翻译： 本发明提供一种叠层型压电元件，其包括具有陶瓷层11和分别层叠的内部电极层12的陶瓷层叠体10，以及一对外部电极，分别与形成在该外部区域的外部区域的一对连接区域15连接。 陶瓷层压板10。 内部电极层包括具有导电性的内部电极部分120和内部电极部分120在外围区域附近不存在的非极性部分120。 陶瓷层压体10包括能够沿着至少一部分内部电极层更容易地改变陶瓷层11的形状的应力松弛部分13。 在陶瓷层叠体10的层叠方向上，将该应力松弛部13配置成与内部电极层12的非极性部129重叠。