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11. 发明专利

JP2012014866A Negative electrode active substance for lithium secondary battery, and method of manufacturing the same 审中-公开
标题翻译：用于锂二次电池的负极电极活性物质及其制造方法
公开(公告)号：JP2012014866A
公开(公告)日：2012-01-19
申请号：JP2010147790
申请日：2010-06-29
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： KIMURA YUTA , TAKO YUICHIRO , TAKEMOTO SATOSHI
IPC分类号： H01M4/38 , B22F1/00 , C22C13/00 , C22C30/04 , H01M4/36
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a negative electrode active substance for lithium secondary battery that compatibly improves both an active substance use rate and cycle characteristics.SOLUTION: The negative electrode active substance 10 for lithium secondary battery has Si alloy 12 having Si crystallites 12a dispersed in a first metal matrix 12b, the Si alloy 12 being dispersed in a second metal matrix 14 having Li activity. It is preferred that the second matrix 14 is Sn or an Sn-based alloy. Furthermore, it is preferred that the second metal matrix 14 contains Sn of 50 atom% or more.
摘要翻译：要解决的问题：提供一种兼容地提高活性物质使用率和循环特性的锂二次电池用负极活性物质。解决方案：用于锂二次电池的负极活性物质10具有分散在第一金属基体12b中的Si微晶12a的Si合金12，Si合金12分散在具有Li活性的第二金属基体14中。优选的是，第二基体14是Sn或Sn基合金。此外，优选第二金属基质14含有50原子％以上的Sn。版权所有（C）2012，JPO＆INPIT

12. 发明专利

JP2009266929A Powder magnetic core and its manufacturing method 审中-公开
标题翻译：粉末磁芯及其制造方法
公开(公告)号：JP2009266929A
公开(公告)日：2009-11-12
申请号：JP2008112424
申请日：2008-04-23
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： TAKEMOTO SATOSHI , SAITO TAKANOBU
IPC分类号： H01F27/255 , H01F27/24 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a powder magnetic core capable of reducing more sound noise than before and having a good direct current superposition characteristic.
SOLUTION: The powder magnetic core 10 has no gap. The powder magnetic core 10 has a core body part 12 for mainly composing a magnetic path, and at least not less than one low magnetic part 14 or nonmagnetic part 14 arranged on the magnetic path and having initial permearbility lower than that of the core body part 12. The core body part 12 is integrally molded with the low magnetic part 14 or the nonmagnetic part 14.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供能够减少比以前更多的声音噪声并且具有良好的直流叠加特性的粉末磁芯。解决方案：粉末磁芯10没有间隙。粉末磁芯10具有用于主要构成磁路的芯体部分12和布置在磁路上的至少不少于一个低磁性部分14或非磁性部分14，其初始可置换度低于芯体部分芯体部分12与低磁性部分14或非磁性部分14整体模制。版权所有（C）2010，JPO＆INPIT

13. 发明专利

JP2009249645A Method for producing coating film 有权
标题翻译：生产涂膜的方法
公开(公告)号：JP2009249645A
公开(公告)日：2009-10-29
申请号：JP2008095051
申请日：2008-04-01
申请人： Daido Steel Co Ltd , Fujiki Kosan Kk , 大同特殊鋼株式会社 , 富士岐工産株式会社
发明人： TAKEMOTO SATOSHI , SAITO TAKANOBU , SAKATA KAZUNORI , HOSOKAWA KATSUHIKO , MINEDA NAOYUKI
IPC分类号： C23C4/06
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a coating film, which can more easily form a thick film than a conventional method. SOLUTION: The method for producing the coating film comprises the steps of: decreasing or removing an oxide formed on the surface of a raw powder for the coating film, which has the oxide formed on its surface; and forming the film by colliding the raw powder of the coating film from which the oxide has been decreased or removed, with an object to be coated thereon. A technique to be preferably used when the coating film is formed is a cold spray technique or a high-velocity flame spraying technique in which a temperature of a combusted gas is set at a melting point of the raw powder for the coating film or lower. A water atomization powder can be preferably used as the raw powder for the coating film having the oxide formed on the surface. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：待解决的问题：提供一种制造涂膜的方法，其可以比常规方法更容易地形成厚膜。解决方案：涂膜的制备方法包括以下步骤：减少或去除在其表面上形成氧化物的涂膜原始粉末的表面上形成的氧化物; 并且通过与被涂敷物体相撞的方式与已经减少或去除了氧化物的涂膜的原料粉末相撞而形成膜。在形成涂膜时优选使用的技术是将喷射气体的温度设定在涂膜的原料粉末的熔点以下的冷喷涂技术或高速火焰喷涂技术。优选使用水雾化粉末作为在表面形成有氧化物的涂膜的原料粉末。版权所有（C）2010，JPO＆INPIT

14. 发明专利

JP2008124270A METHOD OF REDUCING CORE LOSS OF Fe-Si-BASED DUST CORE 审中-公开
标题翻译：减少Fe-Si基粉尘核心损失的方法
公开(公告)号：JP2008124270A
公开(公告)日：2008-05-29
申请号：JP2006306961
申请日：2006-11-13
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： TAKEMOTO SATOSHI , SAITOU TAKANOBU
IPC分类号： H01F1/24 , B22F1/00 , B22F1/02 , C21D6/00 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide a core loss reduction method based on sizes of crystal grains contained in powder particles.
SOLUTION: When the average size of crystal grains in the powder particles of the Fe-Si-based dust core which is constituted by pressing the insulation-coated powder and contains Si component of 0.5 to 8.0 wt.% is d (μm) and excitation frequency of the dust core is f (kHz), the crystal grain size d is determined such that the expression (1): 120×f
-0.82 ≤d≤1,800×f
-0.67 (0.5≤f≤200) is satisfied.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供基于粉末颗粒中包含的晶粒的尺寸的铁损损耗减少方法。解决方案：当通过压制绝缘包覆粉末并含有0.5至8.0重量％的Si组分构成的Fe-Si系防尘芯粉末颗粒中的晶粒的平均尺寸为d（μm））和粉尘芯的激发频率为f（kHz），晶粒尺寸d被确定为使得表达式（1）：120×f -0.82 ≤d≤1,800×f -0.67 （0.5≤f≤200）。版权所有（C）2008，JPO＆INPIT

15. 发明专利

JP2006147959A Dust core and its manufacturing method 审中-公开
标题翻译： DUST CORE及其制造方法
公开(公告)号：JP2006147959A
公开(公告)日：2006-06-08
申请号：JP2004338133
申请日：2004-11-22
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： TAKEMOTO SATOSHI , SAITO TAKANOBU
IPC分类号： H01F1/26 , B22F1/00 , B22F1/02 , B22F3/00 , B22F3/24 , C22C33/02 , C22C38/00 , H01F1/20
摘要： PROBLEM TO BE SOLVED: To provide a dust core that fully suppresses noise without increasing the content of insulating material for improved mechanical hardness and strength. SOLUTION: A dust core 10 contains large-diameter soft magnetic metal powders with a weight average particle diameter d w1 ranging from 20 μm to 100 μm and small-diameter soft magnetic metal powders with a minimum particle diameter smaller than 20 μm and a weight average particle diameter d w2 smaller than 20 μm. In addition, magnetic powders containing small-diameter soft magnetic metal powders of 10-80% by weight are coated by the insulating material and bonding agent and then press-molded and hardened in a predetermined form, so that noise under excitation due to an AC magnetic field can be fully suppressed without increasing the content of insulating material to increase mechanical hardness and strength. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够完全抑制噪声而不增加绝缘材料的含量以提高机械硬度和强度的防尘芯。解决方案：防尘芯10包含重量平均粒径d w1 为20μm至100μm的大直径软磁金属粉末和具有最小值的小直径软磁金属粉末粒径小于20μm，重均粒径d w2 小于20μm。此外，含有10-80重量％的小直径软磁性金属粉末的磁性粉末由绝缘材料和粘合剂涂覆，然后以预定形式进行压制和硬化，使得由于AC引起的激发下的噪声可以在不增加绝缘材料的含量以增加机械硬度和强度的情况下完全抑制磁场。版权所有（C）2006，JPO＆NCIPI

16. 发明专利

JP2005150381A Dust core 审中-公开
标题翻译： DUST CORE
公开(公告)号：JP2005150381A
公开(公告)日：2005-06-09
申请号：JP2003385510
申请日：2003-11-14
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： TAKEMOTO SATOSHI , SAITOU TAKANOBU
IPC分类号： B22F1/00 , C22C19/03 , C22C19/07 , C22C38/00 , H01F1/20 , H01F1/22
摘要： PROBLEM TO BE SOLVED: To provide a dust core that is substantially zero in magnetostriction and has a designing degree of freedom for magnetic characteristics. SOLUTION: The dust core contains mixed powder of at least two kinds of soft magnetic powder having saturated magnetostriction λs which falls within the range of -2×10 -6 to 2×10 -6 and an insulating binder as essential ingredients. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种在磁致伸缩中基本上为零并且具有磁特性的设计自由度的防尘芯。解决方案：粉尘芯包含至少两种饱和磁致伸缩λs的软磁粉末的混合粉末，它们在-2×10 -6 至2×10 的范围内 -6 和绝缘粘合剂作为必要成分。版权所有（C）2005，JPO＆NCIPI

17. 发明专利

JP2005093962A Reactor 审中-公开
标题翻译：反应堆
公开(公告)号：JP2005093962A
公开(公告)日：2005-04-07
申请号：JP2003329218
申请日：2003-09-22
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： YABUMI TAKAO , TAKEMOTO SATOSHI
IPC分类号： H01F1/147 , H01F27/24 , H01F27/25 , H01F37/00
CPC分类号： H01F2003/106
摘要： PROBLEM TO BE SOLVED: To provide a reactor which uses a dust core and in which improvement of equipment efficiency and superposition property is realized. SOLUTION: The reactor has a corner like a ring and uses the dust core 1. In the dust core, a material of an interior portion 10 has a high saturation magnetic flux density, and material of an exterior portion 20 has a low saturation magnetic flux density and a low loss. For example, a Fe-Si based alloy, Fe-Co based alloy or Fe-Ni based alloy is used as a material of soft magnetic powder of the interior portion 10, and a Fe-Si-Al based alloy or Fe-Ni based alloy is used as a material of soft magnetic powder of the exterior portion 20. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种使用防尘芯的反应器，其中实现设备效率和叠加性的提高。解决方案：反应器具有环形拐角并使用灰尘芯1.在灰尘芯中，内部部分10的材料具有高的饱和磁通密度，外部部分20的材料具有低的饱和磁通密度和低损耗。例如，使用Fe-Si系合金，Fe-Co系合金或Fe-Ni系合金作为内部部分10的软磁性粉末的材料，以及Fe-Si-Al系合金或Fe-Ni系合金合金用作外部部分20的软磁粉末的材料。版权所有：（C）2005，JPO＆NCIPI

18. 发明专利

JP2004363384A High-frequency magnetic core 审中-公开
公开(公告)号：JP2004363384A
公开(公告)日：2004-12-24
申请号：JP2003160967
申请日：2003-06-05
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： SAITOU TAKANOBU , TAKEMOTO SATOSHI
IPC分类号： H01F1/20
摘要： PROBLEM TO BE SOLVED: To provide a high-frequency magnetic core having low core loss even in a high-frequency band and capable of realizing miniaturization and complication of shape.
SOLUTION: The magnetic core uses a soft magnetic powder satisfying a formula: D
50 /ρ
P ≤22 (where D
50 represents a grain diameter (unit:μm) when an accumulation value is 50% at a weight in a grain size distribution of powder to be used and ρ
P represents an electrical resistivity (unit:μΩ×m) of the powder to be used). In the magnetic core, the electrical resistivity is 0.05 Ω×m or more, and the eddy current loss, hysteresis loss and core loss which are measured in the condition of a frequency of 500 kHz and excitation magnetic flux of 0.1 T are 3×10
4 kW/m
3 or less, 1×10
4 kW/m
3 or less and 4×10
4 kW/m
3 or less, respectively.
COPYRIGHT: (C)2005,JPO&NCIPI

19. 发明专利

JP2004221120A Iron-cobalt alloy powder for dust core, dust core using same 审中-公开
公开(公告)号：JP2004221120A
公开(公告)日：2004-08-05
申请号：JP2003003319
申请日：2003-01-09
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： SAITOU TAKANOBU , TAKEMOTO SATOSHI
IPC分类号： B22F1/00 , B22F3/00 , C22C19/07 , C22C38/00 , H01F1/20
摘要： PROBLEM TO BE SOLVED: To provide an Fe-Co alloy powder for producing a dust core having a high bulk density and hence a high flux density. SOLUTION: The Fe-Co alloy powder for dust cores contains Co 25-70 mass% and has a martensite structure as a main composition. COPYRIGHT: (C)2004,JPO&NCIPI

20. 发明专利

JP2004172469A Soft magnetic powder and its manufacturing method 审中-公开
公开(公告)号：JP2004172469A
公开(公告)日：2004-06-17
申请号：JP2002338199
申请日：2002-11-21
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： TAKEMOTO SATOSHI , SAITOU TAKANOBU , OGAWA NORIHIRO
IPC分类号： B22F9/08 , B22F1/00 , C22C38/00 , C22C38/06 , H01F1/147 , H01F1/20
摘要： PROBLEM TO BE SOLVED: To provide soft magnetic powder of a material for a dust core with a small core loss, and to provide its manufacturing method. SOLUTION: This soft magnetic powder has a D 50 value of 5 to 60μm and an aspect ratio of 1.1 to 2.5, and also has a concentration of oxygen included of 0.01 to 0.15wt%. COPYRIGHT: (C)2004,JPO

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