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1. 发明专利

JP2009249682A Hard magnetic alloy and method for producing the same 审中-公开
标题翻译：硬磁合金及其制造方法
公开(公告)号：JP2009249682A
公开(公告)日：2009-10-29
申请号：JP2008098586
申请日：2008-04-04
申请人： Nec Tokin Corp , Necトーキン株式会社 , Tohoku Univ , 国立大学法人東北大学
发明人： KONNO YOSUKE , MATSUMOTO HIROYUKI , SATO SHOICHI , SUGIMOTO SATOSHI
IPC分类号： C22C38/00 , B22F1/00 , B22F9/00 , B22F9/22 , H01F1/06
摘要： PROBLEM TO BE SOLVED: To provide a hard magnetic alloy containing Fe 16 N 2 or R 2 Fe 17 , and having high coercive force and high saturation magnetization. SOLUTION: Material obtained by weighing iron and a metal acid salt other than iron so as to be an objective composition, and dissolving the same is used as a starting raw material. The starting raw material is subjected to reduction treatment in a hydrogen air flow, and is subjected to nitriding treatment in an ammonia or ammonia mixed air flow, whereby the hard magnetic alloy having high coercive force and high saturation magnetization is easily and inexpensively produced. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供含有Fe 16 2 或R 2 Fe 17的硬磁合金， SB>，并具有高矫顽力和高饱和磁化强度。解决方案：将铁和铁以外的金属酸盐成为目标组合物并将其溶解得到的材料用作起始原料。起始原料在氢气流中进行还原处理，并在氨或氨混合空气流中进行氮化处理，由此容易且廉价地制造矫顽力高，饱和磁化强度高的硬磁合金。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2009189228A Actuator, and positioning apparatus 有权
标题翻译：执行器和定位装置
公开(公告)号：JP2009189228A
公开(公告)日：2009-08-20
申请号：JP2008240996
申请日：2008-09-19
申请人： Nec Tokin Corp , Necトーキン株式会社 , Tohoku Univ , 国立大学法人東北大学
发明人： AIZAWA SHUJI , OKAMOTO KOICHI , SATO SHOICHI , KO ISAMU , ARAI YOSHIKAZU , KATSUMATA DAISUKE
IPC分类号： H02N2/00
摘要： PROBLEM TO BE SOLVED: To provide an actuator which has a big moving stroke, achieves low-profiling of an apparatus with a simple structure, and is capable of moving in two dimensions of X-Y direction. SOLUTION: The actuator includes a driver formed by fixing one end in the displacement direction of an electromechanical transducing element to each of two faces, that is, a face of a rectangular parallelepiped magnet and a face crossing the magnet, a driven member which fixes the other end in the displacement direction of the electromechanical transducing element, and a fixing member capable of being adsorbed to the magnet by a magnetic force, and moves the driven member and the driver to the fixing member by vibration owing to different speeds of elongation and shrinkage of the electromechanical transducing element. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有大移动行程的致动器，实现具有简单结构的装置的低剖面，并且能够在X-Y方向的两个维度上移动。解决方案：致动器包括通过将机电换向元件的位移方向上的一端固定到两个面中的每一个上，即长方体磁体的表面和与磁体交叉的表面而形成的驱动器，从动构件其将机电换向元件的位移方向上的另一端固定，并且能够通过磁力吸附在磁体上的固定构件，并且由于不同速度的振动使被驱动构件和驱动器由于振动而被移动到固定构件机电换能元件的伸长率和收缩率。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2009258029A Current sensor 审中-公开
标题翻译：电流传感器
公开(公告)号：JP2009258029A
公开(公告)日：2009-11-05
申请号：JP2008109696
申请日：2008-04-21
申请人： Nec Tokin Corp , Necトーキン株式会社
发明人： TAKAHATA OKIKUNI , SATO SHOICHI , SAITO YOSHITAKA , NORO MASATO
IPC分类号： G01R15/20
摘要： PROBLEM TO BE SOLVED: To provide a miniature current sensor capable of detecting a large current and allowing a B value at a placement portion of a magnetic detection element to be changed in a wide range. SOLUTION: The current sensor includes a magnetic core 21 and the magnetic detection element 23. The current sensor includes a through-hole 25 provided at a central portion of the magnetic core 21 in order to pass a measuring conductor 22 therethrough, a recess 26 which is provided at an outer circumference surface 27 of an outer periphery of the magnetic core 21 in order to attach the magnetic detection element 23, and an air gap, i.e., a core gap 24 provided from the through-hole 25 to the outer circumference surface 27 of the magnetic core 21 where the recess 26 is not provided. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供能够检测大电流并允许磁检测元件的放置部分处的B值在宽范围内变化的微型电流传感器。电流传感器包括磁芯21和磁检测元件23.电流传感器包括设置在磁芯21的中心部分处的通孔25，以便通过测量导体22，凹部26设置在磁芯21的外周的外周面27上，以安装磁性检测元件23，以及气隙，即从通孔25提供的芯间隙24到不设置凹部26的磁芯21的外周面27。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2012235052A Coil component and manufacturing method therefor 审中-公开
标题翻译：线圈组件及其制造方法
公开(公告)号：JP2012235052A
公开(公告)日：2012-11-29
申请号：JP2011104285
申请日：2011-05-09
申请人： Nec Tokin Corp , Necトーキン株式会社
发明人： SAITO YOSHITAKA , SATO SHOICHI
IPC分类号： H01F27/24 , H01F27/32 , H01F37/00 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a coil component exhibiting excellent productivity by preventing vibration and beat thereby facilitating the winding work.SOLUTION: The fitting parts 131, 132 of a first mold half 111 and a second mold half 112 having the shape of a U-shaped hollow vessel are fitted on the inside of a coil 103 formed of a winding, thus forming a mold 110 having a substantially oblong annular planar view with the coil 103 being arranged on the outer periphery thereof. From the apertures 121, 122 of the mold 110, a magnetic body 101 composed at least of magnetic powder is cast, and the coil 103 is arranged on the magnetic body 101 having a substantially oblong annular planar view.
摘要翻译：要解决的问题：通过防止振动和打击从而提供卷绕工作，从而提供具有优异的生产率的线圈部件。解决方案：具有U形中空容器形状的第一半模111和第二半模112的装配部分131,132装配在由绕组形成的线圈103的内部，从而形成模具110具有基本上长方形的环形平面图，线圈103布置在其外周上。从模具110的孔121,122中，至少形成有磁粉末的磁体101被铸造，线圈103配置在具有大致长方形的环状平面图的磁性体101上。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2010150602A Fe-BASED SOFT MAGNETIC THIN STRIP AND HIGH-FREQUENCY MAGNETIC CORE USING THE SAME 审中-公开
标题翻译：基于Fe的软磁条和高频磁芯使用它
公开(公告)号：JP2010150602A
公开(公告)日：2010-07-08
申请号：JP2008329895
申请日：2008-12-25
申请人： Nec Tokin Corp , Necトーキン株式会社
发明人： URATA KENRI , MATSUMOTO HIROYUKI , SATO SHOICHI
IPC分类号： C22C38/00 , B22D11/06 , C21D6/00 , C22C45/02 , H01F1/153 , H01F27/24
摘要： PROBLEM TO BE SOLVED: To provide an Fe-based soft magnetic thin strip which has high magnetic permeability and saturation magnetic flux density and reduces the attenuation of magnetic permeability in high frequency, and to provide a high-frequency magnetic core which uses the Fe-based soft magnetic thin strip. SOLUTION: The Fe-based soft magnetic thin strip has a surface roughness expressed by center line average roughness Ra of 0.8-5.0 μm and a thickness of 10-30 μm, and the high-frequency magnetic core is formed of the Fe-based soft magnetic thin strip. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有高磁导率和饱和磁通密度的Fe基软磁薄带，并降低高频磁导率的衰减，并提供使用高频磁芯的高频磁芯铁基软磁薄带。解决方案：Fe基软磁薄带的表面粗糙度由中心线平均粗糙度Ra表示为0.8-5.0μm，厚度为10-30μm，高频磁芯由Fe 的软磁薄带。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010124282A Antenna coil 审中-公开
标题翻译：天线线圈
公开(公告)号：JP2010124282A
公开(公告)日：2010-06-03
申请号：JP2008296470
申请日：2008-11-20
申请人： Nec Tokin Corp , Necトーキン株式会社
发明人： SAITO YOSHITAKA , SATO SHOICHI
IPC分类号： H01Q7/08 , G06K19/07 , G06K19/077
摘要： PROBLEM TO BE SOLVED: To provide a compact antenna coil capable of highly sensitive communication by sufficiently capturing magnetic flux generated from a reader/writer when a portable electronic apparatus or the like such as a cellular phone including a wireless tag, a noncontact IC card or an RFID function communicates with the reader/writer or the like in a wireless manner. SOLUTION: The antenna coil includes two flat first magnetic core 102 and second magnetic core 103 having the same shape and each having a projecting part 110 projecting in the thickness direction at least at one longitudinal end. The antenna coil is structured such that a first coil part 104 and a second coil part 105 having the same number of turns and having winding directions opposite to each other are arranged on respective body parts of them; a space part 106 is formed between the longitudinal end of the first magnetic core 102 having the projecting part 110 and that of the second magnetic core 103 having the projecting part 110 to face the longitudinal ends to each other; and the first coil part 104 and the second coil part 105 are arranged side by side to align their axial directions with each other. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种能够通过充分捕获从读写器产生的磁通量的高灵敏度通信的紧凑型天线线圈，当便携式电子设备等诸如包括无线标签的蜂窝电话，非接触式 IC卡或RFID功能以无线方式与读取器/写入器等通信。解决方案：天线线圈包括具有相同形状的两个平坦的第一磁芯102和第二磁芯103，每个具有至少在一个纵向端部沿厚度方向突出的突出部分110。天线线圈被构造成使得具有相同匝数并且具有彼此相反的卷绕方向的第一线圈部分104和第二线圈部分105布置在它们的相应身体部分上; 在具有突出部分110的第一磁芯102的纵向端和具有突出部分110的第二磁芯103的纵向端部之间形成有空间部分106，以相对于纵向端部彼此面对; 并且第一线圈部104和第二线圈部105并排布置以使它们的轴向彼此对准。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009175019A Current sensor 审中-公开
标题翻译：电流传感器
公开(公告)号：JP2009175019A
公开(公告)日：2009-08-06
申请号：JP2008014394
申请日：2008-01-25
申请人： Nec Tokin Corp , Necトーキン株式会社
发明人： TAKAHATA OKIKUNI , SAITO YOSHITAKA , SATO SHOICHI , NORO MASATO
IPC分类号： G01R15/20
摘要： PROBLEM TO BE SOLVED: To provide a current sensor having a high degree of freedom of design for detecting a large current in compactness and controlling magnetic flux density of an installing part of a magnetic detection element in a wide range. SOLUTION: The magnetic flux density in the installing part of the magnetic detection element 3 is controlled by making a magnetic core 2 composing the current sensor 1 a complex consisting of metal magnetic powder and a binder, and adjusting to suitably select the mixed ratio. The current sensor uses FeSiCr alloy or FeSiAl alloy as the metal magnetic powder. In particular, the complex is composed of a mixed ratio of 10-80 vol.% of the metal magnetic powder and the residue of the binder. The magnetic core 2 has a through-hole 5 passing a conductor in the center part and a recess 4 for installing the magnetic detection element 3 at a position along the outer peripheral part of the magnetic core 2. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有高度设计自由度的电流传感器，用于大范围检测大电流并控制磁检测元件的安装部分的磁通密度。解决方案：通过使构成电流传感器1的磁芯2成为由金属磁性粉末和粘合剂组成的复合体，来调整磁性检测元件3的安装部分的磁通密度，并适当选择混合比。电流传感器采用FeSiCr合金或FeSiAl合金作为金属磁粉。特别地，该复合物由金属磁性粉末的10-80体积％与粘合剂残留物的混合比组成。磁芯2具有通过中心部分的导体的通孔5和用于将磁性检测元件3安装在沿着磁芯2的外周部分的位置的凹部4.（C） 2009年，JPO＆INPIT

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