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1. 发明申请

US20070124903A1 Method of producing laminate-type piezoelectric element 失效
标题翻译：叠层型压电元件的制造方法
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。

2. 发明申请

US20050230028A1 Ceramic plates and production method thereof 审中-公开
标题翻译：陶瓷板及其制造方法
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。

3. 发明授权

US07594309B2 Method of producing laminate-type piezoelectric element 失效
标题翻译：叠层型压电元件的制造方法
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。

4. 发明授权

US07411336B2 Hollow laminated piezoelectric element and its manufacturing method 失效
标题翻译：中空层压压电元件及其制造方法
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。

5. 发明授权

US07294953B2 Stacked piezoelectric element and method of fabrication thereof 失效
标题翻译：堆叠式压电元件及其制造方法
公开(公告)号：US07294953B2
公开(公告)日：2007-11-13
申请号：US11312487
申请日：2005-12-21
申请人： Akio Iwase , Shige Kadotani , Tetsuji Itou
发明人： Akio Iwase , Shige Kadotani , Tetsuji Itou
IPC分类号： H01L41/083 , H01L41/047
CPC分类号： H01L41/0472 , H01L41/0471 , H01L41/0833 , H01L41/273 , H01L41/293 , H01L41/297
摘要： This invention provides a stacked piezoelectric element that has excellent durability and reliability by ensuring reliable electrical conduction between internal electrode layer and conductive adhesive, and a method of fabricating such a stacked piezoelectric element, wherein the stacked piezoelectric element 1 comprises: a ceramic stack 10 constructed by alternately stacking piezoelectric layers 11 made of a piezoelectric material and internal electrode layers 21, 22 having electrical conductivity; and external electrodes 32 bonded to the side faces 101 and 102 of the ceramic stack 10 via an electrically conductive adhesive 31. The side faces 101 and 102 of the ceramic stack 10 are provided with electrode recesses 23 each formed by indenting a portion of the edge of each of the internal electrode layers 21, 22 in the stacking direction thereof thereby forming a gap between it and the overlying piezoelectric layer 11, and the conductive adhesive 31 is applied so as to enter the electrode recesses 23 from the side faces 101 and 102 of the ceramic stack 10.
摘要翻译：本发明提供一种通过确保内部电极层与导电性粘合剂之间的可靠的电导率而具有优异的耐久性和可靠性的叠层式压电元件，以及制造这样的叠层型压电元件的方法，其中层压型压电元件1包括：构造的陶瓷叠层10 通过交替堆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21,22; 外部电极32通过导电性粘接剂31与陶瓷叠层10的侧面101,102接合。陶瓷堆叠10的侧面101和102设置有电极凹槽23，每个电极凹槽23通过在其堆叠方向上压缩每个内部电极层21,22的边缘的一部分而形成，从而在其与上覆层之间形成间隙压电层11和导电粘合剂31被施加以从陶瓷堆叠10的侧面101和102进入电极凹部23。

6. 发明授权

US07225514B2 Production method of stacked piezoelectric element 失效
标题翻译：堆叠式压电元件的生产方法
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。

7. 发明申请

US20060138908A1 Stacked piezoelectric element and method of fabrication thereof 失效
标题翻译：堆叠式压电元件及其制造方法
公开(公告)号：US20060138908A1
公开(公告)日：2006-06-29
申请号：US11312487
申请日：2005-12-21
申请人： Akio Iwase , Shige Kadotani , Tetsuji Itou
发明人： Akio Iwase , Shige Kadotani , Tetsuji Itou
IPC分类号： H01L41/083
CPC分类号： H01L41/0472 , H01L41/0471 , H01L41/0833 , H01L41/273 , H01L41/293 , H01L41/297
摘要： This invention provides a stacked piezoelectric element that has excellent durability and reliability by ensuring reliable electrical conduction between internal electrode layer and conductive adhesive, and a method of fabricating such a stacked piezoelectric element. The stacked piezoelectric element 1 comprises: a ceramic stack 10 constructed by alternately stacking piezoelectric layers 11 made of a piezoelectric material and internal electrode layers 21, 22 having electrical conductivity; and external electrodes 32 bonded to the side faces 101 and 102 of the ceramic stack 10 via an electrically conductive adhesive 31. The side faces 101 and 102 of the ceramic stack 10 are provided with electrode recesses 23 each formed by indenting a portion of the edge of each of the internal electrode layers 21, 22 in the stacking direction thereof thereby forming a gap between it and the overlying piezoelectric layer 11, and the conductive adhesive 31 is applied so as to enter the electrode recesses 23 from the side faces 101 and 102 of the ceramic stack 10.
摘要翻译：本发明提供一种通过确保内部电极层和导电粘合剂之间可靠的电导率而具有优异的耐久性和可靠性的堆叠式压电元件，以及制造这种叠层型压电元件的方法。堆叠式压电元件1包括：通过交替堆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21,22构成的陶瓷叠层10。和经由导电粘合剂31结合到陶瓷堆叠10的侧面101和102的外部电极32.陶瓷堆叠10的侧面101和102设置有电极凹槽23，每个电极凹槽23通过将边缘的一部分在层叠方向上形成内部电极层21,22的层叠方向，从而在其与覆盖压电层11之间形成间隙，并且从侧面101和102进入电极凹部23的导电性粘合剂31 的陶瓷叠层10。

8. 发明申请

US20060119220A1 Hollow laminated piezoelectric element and its manufacturing method 失效
标题翻译：中空层压压电元件及其制造方法
公开(公告)号：US20060119220A1
公开(公告)日：2006-06-08
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： H01L41/083
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。

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