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1. 发明专利

JP2010016290A Ferrous metal magnetic particle, soft magnetic material, powder magnetic core and manufacturing method of them 审中-公开
标题翻译：金属磁性粒子，软磁材料，粉末磁芯及其制造方法
公开(公告)号：JP2010016290A
公开(公告)日：2010-01-21
申请号：JP2008176922
申请日：2008-07-07
申请人： Denso Corp , 株式会社デンソー
发明人： ISOMICHI KOSUKE , SENOO TAKESHI , WATANABE TEPPEI , MURASE HIROSHI , NAKANO MASATO , NONOYAMA TATSUHIKO
IPC分类号： H01F1/33 , B22F1/00 , B22F1/02 , B22F3/00 , C22C38/00 , H01F1/24 , H01F3/08 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide ferrous metal magnetic particles useful for manufacturing a powder magnetic core in magnetic property and coercive force, wherein iron loss is reduced and influence of impurities, distortion and grain boundary in iron powder is eliminated.
SOLUTION: The ferrous metal magnetic particle includes water atomized iron powder containing iron by 99.5 wt.% or more, and a passive film of a metal oxide selected from a group of aluminum oxide, silicon oxide and mixture of them or a composite oxide, which is applied to the surface of the iron powder, and further the iron powder includes oxygen content by 0.01 wt.% or less and carbon content by 0.0010 wt.% or less.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供用于制造磁性能和矫顽力的粉末磁芯的黑色金属磁性颗粒，其中铁损减少，铁粉中的杂质，变形和晶界的影响被消除。解决方案：黑色金属磁性颗粒包括含铁99.5重量％以上的水雾化铁粉和选自氧化铝，氧化硅及其混合物的金属氧化物的钝化膜或复合材料氧化物，其被施加到铁粉的表面，此外，铁粉包括0.01重量％以下的氧含量和0.0010重量％以下的碳含量。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2009290024A Method for manufacturing pressed powder magnetic core 审中-公开
标题翻译：制造压片式磁芯的方法
公开(公告)号：JP2009290024A
公开(公告)日：2009-12-10
申请号：JP2008141519
申请日：2008-05-29
申请人： Denso Corp , 株式会社デンソー
发明人： MURASE HIROSHI , WATANABE TEPPEI , SENOO TAKESHI , NONOYAMA TATSUHIKO , ISOMICHI KOSUKE , NAKANO MASATO , TERADA TOSHIAKI
IPC分类号： H01F1/22 , B22F1/02 , B22F3/00 , B22F3/02 , B22F3/16 , B22F3/24 , H01F1/24 , H01F27/255 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing pressed powder magnetic core by performing compression molding of a soft magnetic material containing metal magnetic particles, and which does not cause micronization of crystal grains.
SOLUTION: In the method for manufacturing the pressed powder magnetic core, a compression molding process is executed for a plurality of times, an annealing process is executed after each compression molding process, in addition, distortion to be caused at the last compression molding process is expressed by density change rate before and after the compression molding process, and the density change rate lies within a range of 0.5-57% when the pressed powder magnetic core is manufactured.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种通过对含有金属磁性颗粒的软磁性材料进行压缩成型而制造压粉磁性体的方法，其不会导致晶粒的微细化。解决方案：在压制粉末磁芯的制造方法中，进行多次压缩成型处理，在每次压缩成型处理之后进行退火处理，另外在最后压缩时产生变形成型工艺由压缩成型工艺前后的密度变化率表示，当制造压制粉末磁芯时，密度变化率在0.5〜57％的范围内。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2003055048A Piezoelectric ceramic composition, method for manufacturing the same and piezoelectric element 有权
标题翻译：压电陶瓷组合物及其制造方法和压电元件
公开(公告)号：JP2003055048A
公开(公告)日：2003-02-26
申请号：JP2001247371
申请日：2001-08-16
申请人： Denso Corp , Toyota Central Res & Dev Lab Inc , 株式会社デンソー , 株式会社豊田中央研究所
发明人： SAITO YASUYOSHI , TAKATORI KAZUMASA , NONOYAMA TATSUHIKO
IPC分类号： C04B35/00 , C04B35/495 , H01L41/187 , H01L41/39 , H01L41/24
CPC分类号： C04B35/495 , B32B2311/04 , C04B2235/3201 , C04B2235/3224 , C04B2235/3251 , C04B2235/3255 , C04B2237/345 , C04B2237/408 , H01L41/187
摘要： PROBLEM TO BE SOLVED: To provide a piezoelectric ceramic composition having a high coefficient of mechanical quality, a large piezoelectric strain constant, low dielectric loss and excellent stability of the dielectric loss with time and to provide a method for manufacturing the composition, and a piezoelectric element by using the above piezoelectric ceramic composition. SOLUTION: The piezoelectric ceramic composition contains a piezoelectric ceramic composition expressed by general formula of (K1-x Nax )NbO3 , wherein (x) is in the range of 0
摘要翻译：要解决的问题：提供一种具有高机械质量系数，大的压电应变常数，低介电损耗和介电损耗随时间的优异稳定性的压电陶瓷组合物，并提供一种组合物的制造方法，以及压电陶瓷组合物通过使用上述压电陶瓷组合物。解决方案：压电陶瓷组合物含有由通式（K1-xNax）NbO3表示的压电陶瓷组合物，其中（x）在0

4. 发明专利

JP2012119708A Method of producing dust core 有权
标题翻译：生产粉芯的方法
公开(公告)号：JP2012119708A
公开(公告)日：2012-06-21
申请号：JP2012013001
申请日：2012-01-25
申请人： Denso Corp , 株式会社デンソー
发明人： MURASE HIROSHI , WATANABE TEPPEI , SENOO TAKESHI , NONOYAMA TATSUHIKO , ISOMICHI KOSUKE , NAKANO MASATO , TERADA TOSHIAKI
IPC分类号： H01F41/02 , B22F3/00 , H01F1/24
摘要： PROBLEM TO BE SOLVED: To provide a method of producing a dust core by compression molding a soft magnetic material containing metal magnetic particles without causing miniaturization of crystal grains.SOLUTION: When producing a dust core, compression molding process is performed a plurality of times and annealing process is performed following to each compression molding process. When distortion occurring in the compression molding process is indicated by the density change rate before and after the compression molding process, the density change rate in the final compression molding process is in the range of 0.6-25.5%, and the density change rate in the compression molding process just before the final compression molding process is in the range of 44.2-58.5%.
摘要翻译：解决的问题：提供一种通过压缩成型含有金属磁性颗粒的软磁性材料而不使晶粒小型化来制造压粉芯的方法。解决方案：在制造压粉芯时，多次进行压缩成型工序，在各压缩成型工序之后进行退火处理。当压缩成形过程中出现的变形由压缩成型工艺前后的密度变化率表示时，最终压缩成型工序中的密度变化率为0.6〜25.5％，密度变化率为最终压缩成型过程之前的压缩成型工艺在44.2-58.5％的范围内。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2009185312A Composite soft magnetic material, dust core using the same, and their production method 审中-公开
标题翻译：复合软磁材料，使用它的颗粒核心及其生产方法
公开(公告)号：JP2009185312A
公开(公告)日：2009-08-20
申请号：JP2008024323
申请日：2008-02-04
申请人： Denso Corp , Nagoya Institute Of Technology , 国立大学法人名古屋工業大学 , 株式会社デンソー
发明人： SENOO TAKESHI , WATANABE TEPPEI , ISOMICHI KOSUKE , NONOYAMA TATSUHIKO , TATSUMOTO HIROHIKO , TERADA TOSHIAKI , SUMIYAMA KENJI , YAMAMURO SUKEMASU
IPC分类号： B22F1/02 , B22F1/00 , B22F3/00 , H01F1/26 , H01F1/33 , H01F1/34 , H01F3/08 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a soft magnetic powder material which achieves both the suppression in the reduction of a core loss and the deterioration of magnetic flux density, to provide a dust core. SOLUTION: In the composite soft magnetic material (3) comprising: a metal magnetic particle (1); and an insulating film (2) formed on the surface of the metal magnetic particle (1), the material further comprises an insulating film protective part (5) comprising metal oxide magnetic particles (4) formed at least at a part of the surface of the insulating film (2) and whose particle diameter is smaller than that of the metal magnetic particle. Also disclosed are a dust core using the same, and their production methods. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种软磁性粉末材料，其能够实现抑制铁损的降低和磁通密度的劣化，从而提供集尘芯。解决方案：在复合软磁材料（3）中，包括：金属磁性颗粒（1）; 和形成在所述金属磁性颗粒（1）的表面上的绝缘膜（2），所述材料还包括绝缘膜保护部分（5），所述绝缘膜保护部分（5）包括至少在所述金属磁性颗粒的表面的一部分上形成的金属氧化物磁性颗粒绝缘膜（2），其粒径小于金属磁性颗粒的粒径。还公开了使用其的防尘芯及其制造方法。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2006108652A Laminated piezoelectric element and its manufacturing method 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：JP2006108652A
公开(公告)日：2006-04-20
申请号：JP2005257386
申请日：2005-09-06
申请人： Denso Corp , Nippon Soken Inc , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： SHINDO HITOSHI , YASUDA ETSURO , IKEDA MASATOSHI , NAGAYA TOSHIATSU , NONOYAMA TATSUHIKO , NAKAMURA MASAYA
IPC分类号： H01L41/083 , H01L41/187 , H01L41/22 , H01L41/273 , H01L41/297 , H01L41/39
摘要： PROBLEM TO BE SOLVED: To provide a laminated piezoelectric element provided with electrode layers containing a conductive base metal electrode material as a principal component, a superior piezoelectric performance, and an excellent durability, and to provide a method of manufacturing the laminated pizoelectrical element, and a paste material for electrodes used for the manufacturing. SOLUTION: In a laminated piezoelectric element 1 constituted by alternately laminating piezoelectric ceramic layers 10 and electrode layers 2, each of the electrode layers 2 contains the conductive base metal electrode material as the principal component. In a pinching region pinched by the electrode layer 2 which is located at an upper part of each layer of the ceramic layers 10 and the electrode layer which is located at a lower part of each layer of the ceramic layers 10, configuration elements made of a material without any piezoelectrical nature are uniformly dispersed so as not to have any local distribution which results in a distribution strength exceeding a double precision of the distribution strength which is not zero distributed in most many places. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有包含导电性基底金属电极材料作为主要成分的电极层，优异的压电性能和优异的耐久性的层压型压电元件，并且提供一种制造层叠pizo电元件和用于制造的电极用糊料。解决方案：在通过交替层叠压电陶瓷层10和电极层2构成的层叠压电元件1中，每个电极层2包含导电性基底金属电极材料作为主要成分。在由位于陶瓷层10的每一层的上部的电极层2和位于陶瓷层10的每一层的下部的电极层所夹住的夹持区域中，由没有任何压电性质的材料被均匀地分散，以便不具有任何局部分布，导致分布强度超过分布强度的双重精度，其分布在绝大多数地方。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2004300012A Piezoelectric ceramic composition, its production method, piezoelectric element, and dielectric element 有权
公开(公告)号：JP2004300012A
公开(公告)日：2004-10-28
申请号：JP2003274919
申请日：2003-07-15
申请人： Denso Corp , Toyota Central Res & Dev Lab Inc , 株式会社デンソー , 株式会社豊田中央研究所
发明人： NONOYAMA TATSUHIKO , NAGAYA TOSHIATSU , SAITOU YASUYOSHI , TAKATORI KAZUMASA , TAKAO HISAFUMI , HONMA TAKAHIKO
IPC分类号： C04B35/00 , C04B35/495 , H01L41/187 , H01L41/333 , H01L41/39 , H01L41/43 , H01L41/24
摘要： PROBLEM TO BE SOLVED: To provide a lead-free piezoelectric ceramic composition which can be fired under ordinary pressure, and has one or more properties more excellent than those of the conventional one among the properties characteristic of a piezoelectric ceramic composition such as a piezoelectric d 31 constant. SOLUTION: The piezoelectric ceramic composition is expressed by general formula of äLi x (K 1-y Na y ) 1-x }(Nb 1-z-w Ta z Sb w )O 3 , and also, x, y, z, w lie in the compositional ranges of 0≤x≤0.2, 0≤y≤1, 0 COPYRIGHT: (C)2005,JPO&NCIPI

8. 发明专利

JP2006108638A Piezoelectric actuator 有权
标题翻译：压电致动器
公开(公告)号：JP2006108638A
公开(公告)日：2006-04-20
申请号：JP2005228396
申请日：2005-08-05
申请人： Denso Corp , Toyota Central Res & Dev Lab Inc , 株式会社デンソー , 株式会社豊田中央研究所
发明人： NAGAYA TOSHIATSU , NONOYAMA TATSUHIKO , NAKAMURA MASAYA , SAITO YASUYOSHI , TAKAO HISAFUMI , HONMA TAKAHIKO , TAKATORI KAZUMASA
IPC分类号： H01L41/09 , F02M51/06 , H01L41/083 , H01L41/187
CPC分类号： C04B35/495 , C01G33/006 , C01G35/006 , C01P2002/52 , C01P2006/32 , C01P2006/40 , C01P2006/42 , C04B35/493 , C04B35/645 , C04B2235/3201 , C04B2235/3203 , C04B2235/3213 , C04B2235/3225 , C04B2235/3251 , C04B2235/3255 , C04B2235/3262 , C04B2235/3294 , C04B2235/3298 , C04B2235/444 , C04B2235/5292 , C04B2235/5296 , C04B2235/5436 , C04B2235/5445 , C04B2235/604 , C04B2235/656 , C04B2235/6562 , C04B2235/6565 , C04B2235/6585 , C04B2235/762 , C04B2235/768 , C04B2235/77 , C04B2235/787 , C04B2235/9623 , H01L41/0833 , H01L41/1873
摘要： PROBLEM TO BE SOLVED: To provide a piezoelectric actuator where temperature dependence of displacement can be made small irrespective of the driving system of the actuator. SOLUTION: The piezoelectric actuator 1 has a piezoelectric element 2 where a pair of electrodes are formed on a surface of piezoelectric ceramics as a driving source. The piezoelectric actuator 1 satisfies at least one or more above requirements from among the requirements (a) to (c). (a) Fluctuation range W C [%] by the temperature change of apparent dynamic capacity is within ±11%, in a specified temperature range of temperature -30 to 80°C; (b) fluctuation range W L by the temperature change of displacement L is within ±14% in the specified temperature range of temperature -30 to 80°C; and (c) when apparent dynamic capacity is set to C[F] and displacement to L[μm], the fluctuation range W L/C by the temperature change of L/C is within ±12% in the specified temperature range of temperature -30 to 80°C. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种压电致动器，其与位于致动器的驱动系统无关地可以使位移的温度依赖性变小。解决方案：压电致动器1具有在作为驱动源的压电陶瓷的表面上形成一对电极的压电元件2。压电致动器1满足（a）〜（c）的要求中的至少一个以上的要求。（a）在-30〜80℃的规定温度范围内，表观动态容量的温度变化的波动范围W C [％]在±11％以内; （b）位移L的变化范围W L 在-30〜80℃的规定温度范围内在±14％以内; 和（c）当表观动态容量设定为C [F]并且位移为L [μm]时，由L / C的温度变化引起的波动范围W L / C 在±12％在指定的温度范围为-30至80°C。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2004244301A Piezoelectric ceramic composition, its production method, piezoelectric element, and dielectric element 有权
公开(公告)号：JP2004244301A
公开(公告)日：2004-09-02
申请号：JP2003274918
申请日：2003-07-15
申请人： Denso Corp , Toyota Central Res & Dev Lab Inc , 株式会社デンソー , 株式会社豊田中央研究所
发明人： NONOYAMA TATSUHIKO , NAGAYA TOSHIATSU , SAITOU YASUYOSHI , TAKATORI KAZUMASA , TAKAO HISAFUMI , HONMA TAKAHIKO
IPC分类号： C04B35/00 , C04B35/495 , H01L41/187 , H01L41/333 , H01L41/39 , H01L41/24
摘要： PROBLEM TO BE SOLVED: To provide a piezoelectric ceramic composition which is lead-free, has high piezoelectric characteristics and high dielectric characteristics, and is excellent in, especially, at least one of a piezoelectric constant d 31 , an electromechanical coupling coefficient Kp, and a relative permittivity, to provide its production method, and to provide a piezoelectric element and a dielectric element using the piezoelectric ceramic composition. SOLUTION: The piezoelectric ceramic composition mainly consists of a compound represented by the formula: äLi x (K 1-y Na y ) 1-x }(Nb 1-z-w Ta z Sb w )O 3 (wherein x, y, z, and w are in the ranges: 0≤x≤0.2, 0≤y≤1, 0 COPYRIGHT: (C)2004,JPO&NCIPI

10. 发明专利

JP2003342069A Piezoelectric ceramic composition, its preparation process and piezoelectric and dielectric elements 有权
标题翻译：压电陶瓷组合物，其制备工艺和压电和电介质元件
公开(公告)号：JP2003342069A
公开(公告)日：2003-12-03
申请号：JP2003026197
申请日：2003-02-03
申请人： Denso Corp , Toyota Central Res & Dev Lab Inc , 株式会社デンソー , 株式会社豊田中央研究所
发明人： SAITO YASUYOSHI , TAKATORI KAZUMASA , HONMA TAKAHIKO , TAKAO HISAFUMI , NONOYAMA TATSUHIKO , NAGAYA TOSHIATSU
IPC分类号： C04B35/00 , C01G33/00 , C04B35/495 , H01G4/12 , H01L41/187 , H01L41/39 , H01L41/24
CPC分类号： C01G33/006 , C01P2006/40 , C04B35/495 , C04B35/6262 , C04B2235/3201 , C04B2235/3203 , C04B2235/3251 , C04B2235/3255 , C04B2235/3294 , C04B2235/442 , C04B2235/5204 , C04B2235/604 , C04B2235/72 , C04B2235/77 , H01L41/187
摘要： PROBLEM TO BE SOLVED: To provide a lead-free piezoelectric ceramic composition which can be fired under atmospheric pressure and shows at least one excellent characteristic chosen from piezoelectric constant, electromechanical coupling coefficient, dielectric loss, dielectric constant and Curie temperature, its preparation process and a piezoelectric element and a dielectric element manufactured using the composition. SOLUTION: The piezoelectric ceramic composition is represented by the formula: äLi x (K 1-y Na y ) 1-x }(Nb 1-y Sb z )O 3 (wherein x, y and z are each within the range of 0≤x≤0.2, 0≤y≤1.0 and 0≤z≤0.2, respectively, provided that x=z=0 is not satisfied). The composition is prepared through the preparation process. The piezoelectric element and the dielectric element have a piezoelectric material and a dielectric, respectively, which are made of the composition. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供可在大气压下烧制的无铅压电陶瓷组合物，并且显示出从压电常数，机电耦合系数，介电损耗，介电常数和居里温度中选择的至少一个优异特性，制备方法和使用该组合物制造的压电元件和电介质元件。解决方案：压电陶瓷组合物由下式表示：äLiSB x x x x））））1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 -x }（其中x，y和z分别在范围内的范围内）（Nb 1-y 分别为0≤x≤0.2,0≤y≤1.0且0≤z≤0.2，条件是不满足x = z = 0）。通过制备过程制备组合物。压电元件和电介质元件分别具有由该组合物制成的压电材料和电介质。版权所有（C）2004，JPO

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