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1. 发明专利

JP2010050191A Measurement method of insulation resistance of multilayer piezoelectric element 审中-公开
标题翻译：多层压电元件绝缘电阻的测量方法
公开(公告)号：JP2010050191A
公开(公告)日：2010-03-04
申请号：JP2008211497
申请日：2008-08-20
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： SHIMIZU NOBUHIRO , UDA SATOSHI , SHIMIZU TATSUHIKO , KAWAZOE NAOYUKI , ASANO HIROAKI
IPC分类号： H01L41/083 , H01L41/187 , H02N2/00
摘要： PROBLEM TO BE SOLVED: To provide a measurement method which measures an insulation resistance of a multilayer piezoelectric element easily and accurately for a short time without using a microscope and probe or the like, and specifies a section of which the insulation resistance decreases. SOLUTION: The multilayer piezoelectric element 1 includes a columnar ceramic laminated body 10 having inner electrode layers 11, 12 of a positive electrode and negative electrode alternately arranged with a ceramic layer 13 interposed therebetween, and a pair of external electrodes 21, 22, one of which is electrically connected to either of the internal electrode layers 11, 12 of the positive electrode or negative electrode. The measurement method of the insulation resistance of the multilayer piezoelectric element 1 includes a process for detaching the external electrode 22 of the negative electrode from the multilayer piezoelectric element 1, a process for abutting a conductive polishing member 50 on an end surface of the multilayer piezoelectric element 1 from which the external electrode 22 of the negative electrode is detached, and applying a voltage between the polishing member 50 and the external electrode of the negative electrode, and a process for measuring the insulation resistance of ceramic based on the voltage while polishing the end surface of the multilayer piezoelectric element 1 by the polishing member 50. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种在不使用显微镜和探针等的情况下在短时间内容易且精确地测量多层压电元件的绝缘电阻的测量方法，并且指定绝缘电阻降低的部分。解决方案：层叠型压电元件1包括柱状陶瓷层叠体10，其具有正极和负极的内部电极层11,12，隔着陶瓷层13交替配置的负极和一对外部电极21,22 其中一个电连接到正极或负极的内部电极层11,12中的任一个。多层压电元件1的绝缘电阻的测量方法包括从多层压电元件1分离负极的外部电极22的工序，将层叠型压电元件1的端面上的导电性研磨部件50抵接的工序元件1，负极的外部电极22从该元件1分离，并且在抛光构件50和负极的外部电极之间施加电压，以及在抛光时基于电压测量陶瓷的绝缘电阻的工艺抛光部件50构成多层压电元件1的端面。（C）2010，JPO＆INPIT

2. 发明专利

JP2010171146A Piezoelectric actuator 审中-公开
标题翻译：压电致动器
公开(公告)号：JP2010171146A
公开(公告)日：2010-08-05
申请号：JP2009011339
申请日：2009-01-21
申请人： Denso Corp , Toyota Central R&D Labs Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー , 株式会社豊田中央研究所
发明人： SHIMIZU TATSUHIKO , SHIMIZU NOBUHIRO , KAWAZOE NAOYUKI , ASANO HIROAKI , MAKINO HIROAKI
IPC分类号： H01L41/083 , H01L41/187 , H01L41/22 , H01L41/23 , H01L41/27
摘要： PROBLEM TO BE SOLVED: To provide a piezoelectric actuator that has a long life. SOLUTION: The piezoelectric actuator 1 is formed such that an oxidized gas is enclosed in a closed vessel 11 where piezoelectric elements 2 are contained. With such a structure, the reduction of reaction of an oxidative metal existent in piezoelectric layers 21 and 22 is controlled so as to delay reduction, preventing insulation deterioration from arising over time in the piezoelectric layers 21 and 22, preventing degradation of the piezoelectric actuator's displacement performance caused by the insulation deterioration, and as a result, obtaining a long life of the piezoelectric actuator 1. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种寿命长的压电致动器。解决方案：压电致动器1形成为使得氧化气体封闭在其中容纳压电元件2的密闭容器11中。通过这样的结构，压电层21和22中存在的氧化性金属的反应的减少被控制以延迟减小，防止在压电层21和22中随时间而产生的绝缘劣化，防止压电致动器的位移由于绝缘劣化引起的性能，结果是获得了压电致动器1的长寿命。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2010067787A Stacked piezoelectric element 审中-公开
标题翻译：堆叠式压电元件
公开(公告)号：JP2010067787A
公开(公告)日：2010-03-25
申请号：JP2008232603
申请日：2008-09-10
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： SHIMIZU TATSUHIKO , UDA SATOSHI , SHIMIZU NOBUHIRO , KAWAZOE NAOYUKI , ASANO HIROAKI
IPC分类号： H01L41/083 , F02M51/06 , H01L41/187
摘要： PROBLEM TO BE SOLVED: To provide a highly reliable stacked piezoelectric element capable of suppressing performance deterioration even under a driving environment in which the element is repeatedly used over a long period of time. SOLUTION: The stacked piezoelectric element 1 includes: a ceramic laminate 10, in which positive and negative internal electrode layers 11 and 12 are alternately disposed with ceramic layers 13 interposed therebetween; and a pair of external electrodes 21 and 22, one of which is electrically connected to each of the positive and negative internal electrode layers 11 and 12. The stacked piezoelectric element 1 also has insulation resistance measuring sections 30, each of which measures the insulation resistance of a ceramic layer 13 between internal electrode layers 11, 11 having the same polarity. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：即使在长时间重复使用该元件的驱动环境下，也能够提供能够抑制性能劣化的高度可靠的层叠型压电元件。堆叠式压电元件1包括：陶瓷层叠体10，其中正和负的内部电极层11和12交替设置有陶瓷层13; 以及一对外部电极21和22，其中一个外部电极21和22电连接到正和负的内部电极层11和12中的每一个。堆叠的压电元件1还具有绝缘电阻测量部分30，每个测量部分测量绝缘电阻具有相同极性的内部电极层11,11之间的陶瓷层13。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2010283141A Laminated piezoelectric element 审中-公开
标题翻译：层压压电元件
公开(公告)号：JP2010283141A
公开(公告)日：2010-12-16
申请号：JP2009135161
申请日：2009-06-04
申请人： Denso Corp , Toyota Central R&D Labs Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー , 株式会社豊田中央研究所
发明人： SHIMIZU TATSUHIKO , SHIMIZU NOBUHIRO , KAWAZOE NAOYUKI , ASANO HIROAKI , MAKINO HIROAKI , SAITO YASUYOSHI
IPC分类号： H01L41/083 , H01L41/187 , H04R17/00
摘要： PROBLEM TO BE SOLVED: To provide a laminated piezoelectric element which has superior stress relaxing performance and does not have conductivity in a ceramic layer to have no decrease in displacing performance of the laminated piezoelectric element.
SOLUTION: The laminated piezoelectric element 10 includes a piezoelectric layer 3, a ceramic laminate 4 having conductive internal electrode layers 1, 2 laminated alternately, and a pair of external electrodes 5, 5 formed on outer peripheral surfaces of the ceramic laminate 4. The one internal electrode layer 1 and the other internal electrode layer 2 stay in the ceramic laminate 4 such that the internal electrode layer 1 has one end 1' in contact with one external electrode 5 and the other end 1" at an interval t
0 with the other external electrode 5; and slits 7 extending from the pair of external electrodes 5, 5 to the inside of the ceramic laminate 4 are formed between the one internal electrode layer 1 and the other internal electrode layer 2, and filled with conductive resin bodies 8.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供一种具有优异的应力松弛性能并且在陶瓷层中不具有导电性而不降低层叠型压电元件的位移性能的层压型压电元件。解决方案：层叠压电元件10包括压电层3，具有交替层压的导电内部电极层1,2的陶瓷层叠体4和形成在陶瓷层叠体4的外周面上的一对外部电极5,5 一个内部电极层1和另一个内部电极层2停留在陶瓷层叠体4中，使得内部电极层1的一端部1'与一个外部电极5接触，另一端1“以间隔t < SB> 0 ，在一个内部电极层1和另一个内部电极层之间形成有从一对外部电极5,5延伸到陶瓷层叠体4的内部的狭缝7 2，填充导电树脂体8.版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2009215940A Fuel injection device 审中-公开
标题翻译：燃油喷射装置
公开(公告)号：JP2009215940A
公开(公告)日：2009-09-24
申请号：JP2008059575
申请日：2008-03-10
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： SHIMIZU TATSUHIKO , KAWAZOE NAOYUKI , ASANO HIROAKI
IPC分类号： F02M51/06 , F02M47/00 , F02M51/00 , F02M61/10 , F02M61/16
摘要： PROBLEM TO BE SOLVED: To improve reliability by securing insulation properties of laminated piezoelectric element 7 while reducing manufacturing cost, outer size, and weight in a fuel injection device 4.
SOLUTION: The fuel injection device 4 includes the laminated piezoelectric element 7 of an uncovered structure without storing a plurality of piezoelectric elements 21 in a protection case, a valve element 8 opening and closing an injection hole 14 provided at one end side of a body 6, a power transmission part 9 for opening the valve element 8 by enlarging displacement of the laminated piezoelectric element 7, and fuel supply routes 51-54 leading high pressure fuel to the injection hole 14. The laminated piezoelectric element 7 is stored and arranged in a zone isolated from high pressure fuel in the body 6 and is dipped in insulation oil 41 filled in the zone.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决方案：通过确保层叠压电元件7的绝缘性能，同时降低燃料喷射装置4中的制造成本，外形尺寸和重量来提高可靠性。解决方案：燃料喷射装置4包括层压没有将多个压电元件21保持在保护壳体中的未覆盖结构的压电元件7，打开和关闭设置在主体6的一端侧的喷射孔14的阀元件8，用于打开阀元件8通过放大层叠压电元件7的位移以及将高压燃料引导到喷射孔14的燃料供给路径51-54。叠层压电元件7被存储并布置在与主体6中的高压燃料隔离的区域中并浸入填充在该区域的绝缘油41中。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2012084717A Wiring board 有权
标题翻译：接线板
公开(公告)号：JP2012084717A
公开(公告)日：2012-04-26
申请号：JP2010230344
申请日：2010-10-13
申请人： Toyota Industries Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田自動織機
发明人： HIROSE KENTARO , OMIYA YUJI , MIYAUCHI HIROYUKI , SUZUKI SADANORI , ASANO HIROAKI , OZAKI KIMINORI
IPC分类号： H05K1/02 , H01L23/34 , H01L25/07 , H01L25/18 , H05K1/14
CPC分类号： H01L2924/0002 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To provide a wiring board for vehicles which is capable of facilitating the lamination of multiple layers without causing the protrusion of an element from the wiring board, and which is capable of improving its cooling efficiency and absorbing dimensional differences.SOLUTION: A rectifier circuit board 30 as a wiring board comprises: a transformer 12 having primary-side and secondary-side coils; diodes 33 for rectification; and a choke coil 13. The transformer 12 and the choke coil 13 are each fixed by a core presser attached to a housing. The rectifier circuit board 30 has the diodes on thin plate wiring patterns 16 and constitutes a multilayer substrate obtained by laminating single-layer substrates formed by resin plates 17 each bonded to the thin plate wiring pattern. The rectifier circuit board 30 not only dissipates heat to the housing which is in contact with a rear face of the thin plate wiring pattern but is also provided with windows formed at positions where the diodes 33 are arranged, while forming the coils with the multilayer substrate.
摘要翻译：解决问题的方案：为了提供一种车辆用线路板，其能够容易地层叠多层而不会使元件从布线板突出，并且能够提高其冷却效率并吸收尺寸差异。解决方案：作为布线板的整流电路板30包括：具有初级侧和次级侧线圈的变压器12; 用于整流的二极管33; 和扼流线圈13.变压器12和扼流线圈13各自由附接到壳体的芯压脚固定。整流电路板30在薄板布线图案16上具有二极管，并且构成通过层叠由各自与薄板布线图案接合的树脂板17形成的单层基板而获得的多层基板。整流电路板30不仅散热到与薄板布线图案的背面相接触的壳体，而且还在设置有二极管33的位置处形成窗口，同时形成具有多层基板的线圈。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2009206109A Laminated piezoelectric element 有权
标题翻译：层压压电元件
公开(公告)号：JP2009206109A
公开(公告)日：2009-09-10
申请号：JP2008042111
申请日：2008-02-22
申请人： Denso Corp , 株式会社デンソー
发明人： SUZUKI SOJI , MURAI ATSUSHI , ASANO HIROAKI , NODA KOSHI , NAGAYA TOSHIATSU , FUJII AKIRA , IWASE AKIO , KADOTANI SHIGERU
IPC分类号： H01L41/083 , H01L41/187 , H01L41/22 , H01L41/27 , H01L41/293 , H01L41/297 , H01L41/39
CPC分类号： H01L41/0838 , F02M63/0026 , H01L41/273
摘要： PROBLEM TO BE SOLVED: To provide a laminated piezoelectric element which has superior durability by more surely preventing a degradation in the insulation resistance while almost not impairing displacement performance. SOLUTION: The laminated piezoelectric element 1 includes a ceramic laminated body 15 wherein piezoelectric ceramic layers 10 and internal electrode layers 13, 14 are alternately laminated; and a pair of side surface electrodes 17. The internal electrode layers 13, 14 are provided with internal electrode sections 131, 141 and margin sections 132, 142. The ceramic laminated body 15 includes stress relaxing sections 11, 12. Among the margin sections 132, 142 of the internal electrode layers 13, 14 that sandwich the stress relaxing sections 11, 12, margin distances of the margin sections 132, 142 positioned on the same side surface of the stress relaxing sections 11, 12 are longer than the depths of the stress relaxing sections 11, 12. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种具有优异的耐久性的叠层压电元件，其更可靠地防止绝缘电阻的劣化，同时几乎不损害位移性能。解决方案：层叠压电元件1包括陶瓷层叠体15，其中压电陶瓷层10和内部电极层13,14交替层叠; 和一对侧面电极17.内部电极层13,14设置有内部电极部分131,141和边缘部分132,142。陶瓷层叠体15包括应力缓和部分11,12。在边缘部分132 夹着应力缓和部11,12的内部电极层13,14的142，位于应力缓和部11,12的同一侧面的边缘部132,142的边缘距离比所述应力缓和部11,12的深度长压力放松部分11,12。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2009123750A Stacked piezoelectric device 审中-公开
标题翻译：堆叠式压电器件
公开(公告)号：JP2009123750A
公开(公告)日：2009-06-04
申请号：JP2007293174
申请日：2007-11-12
申请人： Denso Corp , 株式会社デンソー
发明人： KOBANE YOICHI , ASANO HIROAKI
IPC分类号： H01L41/083 , F02M51/06 , H01L41/187 , H01L41/22 , H01L41/293 , H01L41/39
CPC分类号： H01L41/0472 , F02M2200/21 , H01L41/0838
摘要： PROBLEM TO BE SOLVED: To provide a stacked piezoelectric device which can suppress the generation of the fracture of an external electrode and is excellent in durability and reliability. SOLUTION: A stacked piezoelectric device has a ceramic laminated body constituted by alternately laminating a piezoelectric layer and an internal electrode layer and an external electrode 5 provided on the side surface. The external electrode 5 has an opening region 51 in which an opening 7 is formed and a non-opening region 52 which is provided on one end 501 of the external electrode 5 and in which the opening 7 is not formed. A mixture region 59 where the opening region 51 and the non-opening region 52 are mixed is present in the external electrode 5. When the length of the mixture region 59 in a lamination direction X is set to a and the opening length of a mixture region opening 72 in the lamination direction X is set to b, 0.5b≤a≤10b is satisfied. When the total extension of a boundary line H between the opening region 51 and the non-opening region 52 is set to c and the width of the external electrode 5 is set to d, a fraction (c/d) is 1.05-3. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种能够抑制外部电极的断裂的产生并且耐久性和可靠性优异的层叠型压电元件。解决方案：堆叠式压电装置具有通过交替层叠压电层和内部电极层而构成的陶瓷层叠体和设置在侧面上的外部电极5。外部电极5具有形成开口7的开口区域51和设置在外部电极5的一端501上并且未形成开口7的非开放区域52。在外部电极5中存在混合区域59，其中开口区域51和非开口区域52混合。当层叠方向X上的混合区域59的长度设定为a和混合物的开口长度时层叠方向X上的区域开口72被设定为b，满足0.5b≤a≤10b。当开口区域51和非开口区域52之间的边界线H的总伸长率设定为c，将外部电极5的宽度设定为d时，分数（c / d）为1.05-3。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2009076760A Laminated piezoelectric element and manufacturing method therefor 审中-公开
标题翻译：层压压电元件及其制造方法
公开(公告)号：JP2009076760A
公开(公告)日：2009-04-09
申请号：JP2007245688
申请日：2007-09-21
申请人： Denso Corp , 株式会社デンソー
发明人： KOBANE YOICHI , ASANO HIROAKI
IPC分类号： H01L41/083 , H01L41/187 , H01L41/22 , H01L41/23 , H01L41/273 , H01L41/43 , H02N2/00
CPC分类号： H01L41/0838 , F02M47/027 , F02M63/0026 , H01L41/1875 , H01L41/273
摘要： PROBLEM TO BE SOLVED: To provide a laminated piezoelectric element, capable of preventing failures such as deterioration of insulation and short-circuit, due to the migration of electrode material via a slit groove portion. SOLUTION: The laminated piezoelectric element 1 includes a ceramic laminate 15 provided, by alternately laminating piezoelectric ceramic layers 11 and internal electrode layers 13 and 14, and side electrodes 17 and 18. The internal electrodes 13 and 14 include internal electrode portions 131 and 141 and alternate portions 132 and 142. The ceramic laminate 15 includes the slit groove portion 12 circularly formed over the entire circumference of outer peripheral surface 150 of the ceramic laminate 15. When a groove width of an opening portion of the slit groove portion 12 is W1 and a groove width of a position of 30 μm outward from the tip of the slit groove portion 12 is W2, the relation W2/W1=0.05-0.8 is satisfied. In the slit groove portion 12, an insulating resin 19 is so arranged as to shield between the side electrodes 17 and 18 which are in a communicating state via the slit groove portions 12. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种层叠压电元件，能够防止由于电极材料经由狭缝槽部的迁移而导致的绝缘劣化和短路等故障。解决方案：层叠压电元件1包括通过交替层叠压电陶瓷层11和内部电极层13和14以及侧面电极17和18而设置的陶瓷层压体15.内部电极13和14包括内部电极部分131 141和交替部132和142.陶瓷层叠体15包括在陶瓷层叠体15的外周面150的整个圆周上圆形地形成的狭缝槽部12.当狭缝槽部12的开口部的槽宽度为W1，从狭缝槽部12的前端向外侧的槽宽为30μm的W2宽度，满足关系式W2 / W1 = 0.05〜0.8。在狭缝槽部12中，绝缘树脂19被布置成通过狭缝槽部12屏蔽在处于连通状态的侧电极17和18之间。（C）2009，JPO＆INPIT

10. 发明专利

JP2009054711A Laminated piezoelectric element 有权
标题翻译：层压压电元件
公开(公告)号：JP2009054711A
公开(公告)日：2009-03-12
申请号：JP2007218635
申请日：2007-08-24
申请人： Denso Corp , 株式会社デンソー
发明人： ASANO HIROAKI , HATTORI HIDEKAZU
IPC分类号： H01L41/083 , H01L41/187 , H01L41/22 , H01L41/23 , H01L41/27 , H01L41/293 , H02N2/00
CPC分类号： H01L41/0838 , H01L41/0471 , H01L41/0533
摘要： PROBLEM TO BE SOLVED: To provide a laminated piezoelectric element, in which a side electrode component can be prevented from exuding to a joint portion between piezoelectric units during formation of a side electrode, and the like, and occurrence of cracks is prevented in the piezoelectric units. SOLUTION: The laminated piezoelectric element 1 is provided which is formed by laminating a plurality of piezoelectric units 15 with jointing material layers 10 interposed therebetween, each of the piezoelectric units 15 being formed, by alternately laminating a piezoelectric body layer 11 capable of expanding and contracting by voltage application and electrode arrangement layers 12 and 13, respectively, including electrode portions 121 and 131 constituting an internal electrode, and which has a pair of side electrodes 17 and 18 made of electrically conductive materials electrically conducting to two adjacent internal electrodes by turns. The jointing material layer 10 is made of an adhesive, formed over the entire joint surfaces 151 between piezoelectric units 15 and has a separation portion 100 which separates, when the stacked piezoelectric element is driven, at at least part of a piezoelectric inactive region 192 of the jointing material layer 10. The separation portion 100 is formed by breaking the jointing material layer 10 at at least part of the piezoelectric inactive region 192. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种叠层压电元件，其中可以防止侧面电极组件在形成侧电极期间渗透到压电单元之间的接合部分等，并且防止发生裂纹在压电单元中。解决方案：通过层叠多个压电单元15与介于其间的接合材料层10形成的层叠压电元件1，形成压电单元15，通过交替层叠压电体层11，分别由电压施加和电极布置层12和13扩展和收缩，包括构成内部电极的电极部分121和131，并且具有一对由导电材料制成的侧电极17和18，导电材料导电到两个相邻的内部电极轮流。接合材料层10由粘合剂制成，形成在压电单元15之间的整个接合表面151上，并且具有分离部分100，该分离部分100在堆叠的压电元件被驱动时分离至少部分压电元件的压电无源区域192 接合材料层10.分离部分100通过在压电无效区域192的至少一部分处断开接合材料层10而形成。版权所有（C）2009，JPO＆INPIT

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