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：US07225514B2

公开(公告)日：2007-06-05

申请号：US10858473

申请日：2004-06-02

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

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

IPC分类号： H04R17/00

CPC分类号： H01L41/273 ,  H01L41/083 ,  Y10T29/42 ,  Y10T29/435 ,  Y10T29/49126 ,  Y10T29/49155

摘要： A stacked piezoelectric element is produced by alternately stacking a piezoelectric layer and an inner electrode layer. The method includes producing a green sheet 110 for a base, forming a unit body 3 having a narrow stacked part 30 where a narrow piezoelectric material layer 115 having an area smaller than the green sheet 110 for base and an electrode material layer 20 having an area smaller than the green sheet 110 for base are stacked, the unit body being formed by disposing the narrow stacked part 30 on the green sheet 110 for base; forming a stacked body having groove parts by stacking a plurality of the unit bodies 3, the groove part having the bottom being defined by the side face of the narrow stacked part 30; and firing the stacked body.

摘要翻译： 通过交替堆叠压电层和内电极层来制造堆叠的压电元件。 该方法包括制造用于基底的生片110，形成具有窄堆叠部分30的单位体3，其中具有小于基底的生片110的面积的窄压电材料层115和具有面积的电极材料层20 小于基底的生片110堆叠时，单元体通过将窄层叠部30设置在基片用生片110上而形成。 通过堆叠多个单位体3形成具有凹槽部分的堆叠体，所述凹槽部分具有由窄层叠部分30的侧面限定的底部; 并发射堆叠的身体。

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：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。

公开(公告)号：US20050168106A1

公开(公告)日：2005-08-04

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： H01L41/083 ,  H01L41/187 ,  H01L41/22 ,  H01L41/273 ,  H01L41/297 ,  H01L41/339 ,  H01L41/43

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。

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：US07345403B2

公开(公告)日：2008-03-18

申请号：US11253845

申请日：2005-10-20

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

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

IPC分类号： H01L41/22 ,  H01L41/00

CPC分类号： H01L41/0833 ,  B23K26/0823 ,  B23K26/40 ,  B23K2103/52 ,  H01L41/0472 ,  H01L41/293 ,  H01L41/339 ,  Y10T29/42 ,  Y10T29/43 ,  Y10T29/435 ,  Y10T29/49005 ,  Y10T29/49126 ,  Y10T29/49128 ,  Y10T29/49155

摘要： A method of manufacturing a lamination-type piezoelectric element includes forming a ceramic laminated body in which ceramic layers and inner electrode layers are alternately laminated on each other. A pair of outer electrodes are respectively joined to a pair of joining faces formed on an outer circumferential face of the ceramic laminated body. A belt-shaped outer circumferential groove portion coming into contact with an outer circumferential end portion of at least some part of the inner electrode layers is formed on the outer circumferential face of the ceramic laminated body. This outer circumferential groove portion has at least one dent portion protruding from the adjoining portion. The outer circumferential groove portion has at least one of an insulating portion made of insulating material and a conductive portion made of conductive material.

摘要翻译： 层叠型压电元件的制造方法包括形成陶瓷层叠体和陶瓷层和内部电极层交替层叠的陶瓷层叠体。 一对外电极分别与形成在陶瓷层叠体的外周面上的一对接合面接合。 在陶瓷层叠体的外周面上形成有与内部电极层的至少一部分的外周端部接触的带状的外周槽部。 该外周槽部具有从邻接部突出的至少一个凹部。 外周槽部具有由绝缘材料制成的绝缘部和由导电材料制成的导电部中的至少一个。

公开(公告)号：US20060043842A1

公开(公告)日：2006-03-02

申请号：US11253845

申请日：2005-10-20

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

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

IPC分类号： H04R17/00

CPC分类号： H01L41/0833 ,  B23K26/0823 ,  B23K26/40 ,  B23K2103/52 ,  H01L41/0472 ,  H01L41/293 ,  H01L41/339 ,  Y10T29/42 ,  Y10T29/43 ,  Y10T29/435 ,  Y10T29/49005 ,  Y10T29/49126 ,  Y10T29/49128 ,  Y10T29/49155

摘要： A method of manufacturing a lamination-type piezoelectric element includes forming a ceramic laminated body in which ceramic layers and inner electrode layers are alternately laminated on each other. A pair of outer electrodes are respectively joined to a pair of joining faces formed on an outer circumferential face of the ceramic laminated body. A belt-shaped outer circumferential groove portion coming into contact with an outer circumferential end portion of at least some part of the inner electrode layers is formed on the outer circumferential face of the ceramic laminated body. This outer circumferential groove portion has at least one dent portion protruding from the adjoining portion. The outer circumferential groove portion has at least one of an insulating portion made of insulating material and a conductive portion made of conductive material.

摘要翻译： 层叠型压电元件的制造方法包括形成陶瓷层叠体和陶瓷层和内部电极层交替层叠的陶瓷层叠体。 一对外电极分别与形成在陶瓷层叠体的外周面上的一对接合面接合。 在陶瓷层叠体的外周面上形成有与内部电极层的至少一部分的外周端部接触的带状的外周槽部。 该外周槽部具有从邻接部突出的至少一个凹部。 外周槽部具有由绝缘材料制成的绝缘部和由导电材料制成的导电部中的至少一个。

公开(公告)号：US06978525B2

公开(公告)日：2005-12-27

申请号：US10770405

申请日：2004-02-04

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

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

IPC分类号： B23K26/08 ,  B23K26/40 ,  H01L41/083 ,  H01L41/22 ,  H01L41/335 ,  H02N2/00 ,  H02N2/04 ,  H02N2/18 ,  H04R17/00 ,  H01L41/04 ,  H01L41/08 ,  H01L41/18

CPC分类号： H01L41/0833 ,  B23K26/0823 ,  B23K26/40 ,  B23K2103/52 ,  H01L41/0472 ,  H01L41/293 ,  H01L41/339 ,  Y10T29/42 ,  Y10T29/43 ,  Y10T29/435 ,  Y10T29/49005 ,  Y10T29/49126 ,  Y10T29/49128 ,  Y10T29/49155

摘要： A method of manufacturing a lamination-type piezoelectric element includes forming a ceramic laminated body in which ceramic layers and inner electrode layers are alternately laminated on each other. A pair of outer electrodes are respectively joined to a pair of joining faces formed on an outer circumferential face of the ceramic laminated body. A belt-shaped outer circumferential groove portion coming into contact with an outer circumferential end portion of at least some part of the inner electrode layers is formed on the outer circumferential face of the ceramic laminated body. This outer circumferential groove portion has at least one dent portion protruding from the adjoining portion. The outer circumferential groove portion has at least one of an insulating portion made of insulating material and a conductive portion made of conductive material.

摘要翻译： 层叠型压电元件的制造方法包括形成陶瓷层叠体和陶瓷层和内部电极层交替层叠的陶瓷层叠体。 一对外电极分别与形成在陶瓷层叠体的外周面上的一对接合面接合。 在陶瓷层叠体的外周面上形成有与内部电极层的至少一部分的外周端部接触的带状的外周槽部。 该外周槽部具有从邻接部突出的至少一个凹部。 外周槽部具有由绝缘材料制成的绝缘部和由导电材料制成的导电部中的至少一个。

公开(公告)号：US07411336B2

公开(公告)日：2008-08-12

申请号：US11294690

申请日：2005-12-05

申请人： Akio Iwase ,  Shige Kadotani ,  Tetsuji Itou

发明人： Akio Iwase ,  Shige Kadotani ,  Tetsuji Itou

IPC分类号： H01L41/08

CPC分类号： H01L41/0838 ,  F02M51/0603 ,  F02M61/168 ,  F02M2200/80 ,  F02M2200/9007 ,  F02M2200/9038 ,  F02M2200/9046 ,  F02M2200/9053 ,  H01L41/0835 ,  H01L41/273 ,  H01L41/339

摘要： A hollow laminated piezoelectric element having excellent durability and reliability and capable of obtaining a high output, and a method of manufacturing the hollow laminated piezoelectric element are provided. A hollow laminated piezoelectric element 1 comprises a ceramic laminate 10 that is formed by having alternately laminated piezoelectric layers 11 made of a piezoelectric material and internal electrode layers 21 and 22 having conductivity and by having a center through hole 14 formed to pass through the ceramic laminate 10 along a lamination direction. The ceramic laminate 10 has an internally terminated structure in the inside periphery having at least a portion of inside peripheral ends of the internal electrode layers 21 and 22 terminated within the ceramic laminate 10 so that at least a portion of the inside peripheral ends of the internal electrode layers 21 and 22 is not exposed to the inside peripheral surface 104 of the ceramic laminate 10. The inside peripheral surface 104 of the ceramic laminate 10 has inside peripheral slits 13 having trenches provided in the peripheral direction toward the inside of the piezoelectric layers 11 from the inside peripheral surface 104.

摘要翻译： 提供具有优异的耐久性和可靠性并能够获得高输出的中空层压压电元件，以及制造中空层叠压电元件的方法。 中空层压压电元件1包括陶瓷层压体10，其通过具有由压电材料制成的交替层压的压电层11和具有导电性的内部电极层21和22以及形成为穿过陶瓷层压体的中心通孔14形成 10沿着层叠方向。 陶瓷层叠体10在内周部具有内部端接的结构，内部电极层21,22的内周端部的至少一部分终止于陶瓷层叠体10内，使内部的内周侧端部的至少一部分 电极层21,22不暴露于陶瓷层叠体10的内周面104。 陶瓷层叠体10的内周面104具有从内周面104朝向压电体层11的内侧设置有沟槽的内周狭缝13。