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1. 发明专利

JP2011210838A Rare-earth sintered magnet, method of manufacturing the same, and rotary machine 审中-公开
标题翻译：稀土烧结磁铁，其制造方法和旋转机
公开(公告)号：JP2011210838A
公开(公告)日：2011-10-20
申请号：JP2010075413
申请日：2010-03-29
申请人： Tdk Corp , Tdk株式会社
发明人： TSUBOKURA TAEKO , KATO EIJI , IWASAKI MAKOTO , IRIE SHUICHIRO
IPC分类号： H01F1/08 , C21D6/00 , C22C33/02 , C22C38/00 , H01F1/053 , H02K15/03
摘要： PROBLEM TO BE SOLVED: To provide a rare-earth sintered magnet capable of obtaining superior HcJ, while maintaining high Br.SOLUTION: A rare-earth sintered magnet having a composition containing a rare-earth element, a transition element and boron, includes a heavy rare-earth element and a light rare-earth element as rare-earth elements. The rare-earth sintered magnet is configured by a crystal grain having a composition containing the rare-earth element, the transition element, and boron and a grain boundary region formed between the crystal grains. A triple point region, that is a grain boundary region surrounded by three or more crystal grains, contains the rare-earth element, the transition element, and boron, and has a composition different from that of the crystal grain. The average area of the triple point region is 3.0 μmor less, when it is measured in an arbitrary surface or in a cross section, and the standard deviation of distribution of the area is 5 or less.
摘要翻译：要解决的问题：提供能够获得优异的HcJ的稀土烧结磁体，同时保持较高的Br。溶液：具有含有稀土元素，过渡元素和硼的组成的稀土烧结磁体包括重稀土元素和稀土元素作为稀土元素。稀土类烧结磁体由具有含有稀土元素，过渡元素和硼的组成的晶粒和在晶粒之间形成的晶界区域构成。由三个或多个晶粒包围的晶界区域的三重点区域包含稀土元素，过渡元素和硼，并且具有与晶粒不同的组成。当在任意的表面或横截面上测量时，三点区域的平均面积为3.0μm或更小，并且区域的分布的标准偏差为5以下。

2. 发明专利

JP2007266038A Manufacturing method of rare-earth permanent magnet 审中-公开
标题翻译：稀土永磁体的制造方法
公开(公告)号：JP2007266038A
公开(公告)日：2007-10-11
申请号：JP2006085102
申请日：2006-03-27
申请人： Tdk Corp , Tdk株式会社
发明人： IRIE SHUICHIRO , KATO EIJI
IPC分类号： H01F41/02 , B22F1/00 , B22F3/02 , B22F9/04 , C22C38/00 , H01F1/053 , H01F1/06 , H01F1/08 , H01F7/02
摘要： PROBLEM TO BE SOLVED: To enable to manufacture a rare-earth permanent magnet excellent in magnetic characteristics such as residual magnetic flux density by improving the orientation degree of a rare-earth alloy powder. SOLUTION: A finely pulverized rare-earth alloy powder is molded in a magnetic field, and sintered. Prior to the magnetic molding in the magnetic field, the finely pulverized rare-earth alloy powder is subjected to heat treatment. The heat treatment temperature is preferably 600-900°C. After the heat treatment, a lubricant is after-added. After the heat treatment, the rare-earth alloy powder may be re-pulverized. Before the heat treatment, the powder may be magnetized or degreased (lubricant removal) in advance. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了能够通过提高稀土类合金粉末的取向度来制造磁特性如剩余磁通密度等优异的稀土永磁体。解决方案：将细粉碎的稀土合金粉末在磁场中模制并烧结。在磁场中进行磁性模制之前，将细粉碎的稀土合金粉末进行热处理。热处理温度优选为600-900℃。热处理后，润滑剂后加。热处理后，稀土合金粉末可以再粉碎。在热处理之前，粉末可以预先被磁化或脱脂（润滑剂去除）。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2008243982A Method of manufacturing metal magnet 审中-公开
标题翻译：制造金属磁铁的方法
公开(公告)号：JP2008243982A
公开(公告)日：2008-10-09
申请号：JP2007079853
申请日：2007-03-26
申请人： Tdk Corp , Tdk株式会社
发明人： OTSUKA KIWA , SAKAMOTO TOKUJI , IRIE SHUICHIRO
IPC分类号： H01F41/02 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a metal magnet wherein a metal magnet is manufactured by wet forming using an organic solvent and thereby a metal magnet having little degradation in magnetic characteristics can be obtained. SOLUTION: The method of manufacturing a magnet in a preferred embodiment of the present invention includes: a mixing process wherein a material powder of the metal magnet and a lubricant comprising a chemical having a carboxyl group, hydroxyl group, or ester group are mixed and churned; a slurry manufacturing process wherein the material powder after mixed with the lubricant and an organic solvent are mixed to obtain a slurry; a forming process wherein the slurry is formed into an formed object; and a burning process of burning the formed object. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种金属磁体的制造方法，其中通过使用有机溶剂的湿法成型制造金属磁体，从而可以获得几乎没有磁特性劣化的金属磁体。解决方案：在本发明的优选实施方案中，制造磁体的方法包括：混合过程，其中金属磁体的材料粉末和包含具有羧基，羟基或酯基的化学物质的润滑剂是混合搅拌浆料制造方法，其中将与润滑剂和有机溶剂混合的材料粉末混合以获得浆料; 成型工艺，其中浆料形成成形物; 以及燃烧形成的物体的燃烧过程。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2007266037A Manufacturing method of rare-earth permanent magnet 审中-公开
标题翻译：稀土永磁体的制造方法
公开(公告)号：JP2007266037A
公开(公告)日：2007-10-11
申请号：JP2006085101
申请日：2006-03-27
申请人： Tdk Corp , Tdk株式会社
发明人： IRIE SHUICHIRO , KATO EIJI
IPC分类号： H01F41/02 , B22F1/00 , B22F3/00 , B22F3/02 , B22F9/04 , C21D9/00 , C22C38/00 , H01F1/053 , H01F1/06 , H01F1/08 , H01F7/02
摘要： PROBLEM TO BE SOLVED: To enable to manufacture a rare-earth permanent magnet excellent in magnetic characteristics such as residual magnetic flux density by improving orientation degree of a rare-earth alloy powder. SOLUTION: A finely pulverized rare-earth alloy powder is molded in a magnetic field, and sintered. Prior to the magnetic molding, the finely pulverized rare-earth alloy powder is subjected to heat treatment. A heat treatment temperature is preferably 600°C-900°C. The rare-earth alloy powder subjected to heat treatment may be re-pulverized. The powder may be magnetized before the heat treatment. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：为了能够通过提高稀土类合金粉末的取向度来制造磁特性如剩余磁通密度优异的稀土永磁体。解决方案：将细粉碎的稀土合金粉末在磁场中模制并烧结。在磁性模塑之前，对细粉碎的稀土合金粉末进行热处理。热处理温度优选为600℃〜900℃。进行热处理的稀土类合金粉末可以再粉碎。粉末可能在热处理之前被磁化。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2007234953A Lubricant removing method, and rare earth sintered magnet manufacturing method 有权
标题翻译：润滑剂去除方法和稀土烧结磁体制造方法
公开(公告)号：JP2007234953A
公开(公告)日：2007-09-13
申请号：JP2006056221
申请日：2006-03-02
申请人： Tdk Corp , Tdk株式会社
发明人： IRIE SHUICHIRO , SAKAMOTO TOKUJI , IWASAKI MAKOTO
IPC分类号： H01F41/02 , B22F3/02 , B22F3/10 , C22C33/02 , C22C38/00 , H01F1/053
摘要： PROBLEM TO BE SOLVED: To provide a lubricant removing method which efficiently removes a lubricant from a molded matter, and can obtain a high magnetic characteristic, while controlling a deformation after sintering and an occurrence of a crack; and to provide a rare earth sintered magnet manufacturing method. SOLUTION: After a composition which contains a lubricant composed of an organic substance as a component and an alloy powder having a predetermined constitution, and is press-formed in a magnetic field to obtain a molded matter; the lubricant is removed from the molded matter by making a heat treatment for the molded matter at a temperature area lower than the boil or resolving temperature of the lubricant, in an atmosphere gas containing hydrogen (H 2 ) at least in a part of the process. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种润滑剂去除方法，其有效地从成型物中去除润滑剂，并且可以在控制烧结后的变形和发生裂纹的同时获得高磁特性; 并提供稀土烧结磁体制造方法。解决方案：在含有作为组分的有机物质的润滑剂和具有预定结构的合金粉末的组合物之后，在磁场中压制形成成型物质; 在含氢的气氛气体（H 2 ）中，通过在低于润滑剂的沸腾或分解温度的温度区域对模制物质进行热处理，从模制物质中除去润滑剂至少在一部分过程中。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2011216642A Anisotropic exchange spring magnet, method of manufacturing the same, anisotropic bonded magnet, and anisotropic sintered magnet 审中-公开
标题翻译：各向异性弹簧磁铁，其制造方法，各向异性粘结磁体和各向异性烧结磁体
公开(公告)号：JP2011216642A
公开(公告)日：2011-10-27
申请号：JP2010082851
申请日：2010-03-31
申请人： Tdk Corp , Tdk株式会社
发明人： CHIBA TETSUYA , TANESE TAKAYA , TAKARAZUMI TOSHIYA , IRIE SHUICHIRO
IPC分类号： H01F1/053 , B22F3/00 , C22C33/02 , C22C38/00 , H01F1/08 , H01F7/02 , H01F41/02
CPC分类号： H01F1/0579 , B22F3/16 , C22C38/005 , H01F1/083 , H01F1/086
摘要： PROBLEM TO BE SOLVED: To provide an anisotropic exchange spring magnet high in magnetic anisotropy and excellent in magnetic characteristics.SOLUTION: The anisotropic exchange spring magnet 10 contains: an R-T-B phase 12 consisting of an RTB type intermetallic compound (R is a rare earth element containing Nd, T is an element consisting of Fe or Co); an Fe-based phase 14 consisting of at least one selected from an α-Fe, an α-Fe solid solution, an α-Co, an α-Co solid solution, and an α'-FeCo intermetallic compound; and a silver rich phase 16 consisting of at least one selected from silver, a silver-containing solid solution, a silver-containing intermetallic compound, and a silver-containing amorphous.
摘要翻译：要解决的问题：提供磁各向异性高且磁特性优异的各向异性交换弹簧。解决方案：各向异性交换弹簧磁体10包括：由RTB型金属间化合物（R是稀土元素）组成的RTB相12 含有Nd，T是由Fe或Co组成的元素）; 由选自α-Fe，α-Fe固溶体，α-Co，α-Co固溶体和α'-FeCo金属间化合物中的至少一种构成的Fe基相14; 以及由选自银，含银固溶体，含银金属间化合物和含银无定形物中的至少一种构成的富含银相16。

7. 发明专利

JP2009074150A Magnet manufacturing method 有权
标题翻译：磁铁制造方法
公开(公告)号：JP2009074150A
公开(公告)日：2009-04-09
申请号：JP2007246002
申请日：2007-09-21
申请人： Tdk Corp , Tdk株式会社
发明人： KURAHASHI TAKAHIDE , SASAKI HIDEKI , MARO HITOSHI , MASUDA TAKESHI , SAKAMOTO TOKUJI , IRIE SHUICHIRO , OTSUKA KIWA , KUNIYOSHI YOICHI , ITO TAKESHI , DOMON MIKIO
IPC分类号： B22F3/00 , B22F3/02 , C22C33/02 , C22C38/00 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To increase orientation in a magnet to be obtained and to improve Br (residual magnetic flux density) of the magnet. SOLUTION: The magnet manufacturing method includes: a slurry preparation step for preparing slurry S containing magnetic powder and solvent; a slurry feeding step for feeding the slurry S into a cavity C of a compaction apparatus 100; a magnetic field application step for applying an oriented magnetic field H to the slurry S in the cavity C; a compaction step for compacting magnetic powder 101 while extracting a solvent 102 to obtain a green compact 104; and a sintering step for sintering the green compact 104. In the magnetic field application step, the oriented magnetic field H is applied to the slurry S in such a way that agglomerates 101 of the magnetic powder are separated from the solvent 102; and, in the compaction step, the solvent 102 is extracted to the same side as the solvent 102, with respect to the agglomerates 101 of the magnetic powder. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：增加要获得的磁体中的取向并提高磁体的Br（剩余磁通密度）。磁铁制造方法包括：制备含有磁性粉末和溶剂的浆料S的浆料制备步骤; 用于将浆料S进料到压实装置100的空腔C中的浆料供给步骤; 用于向空腔C中的浆料S施加取向磁场H的磁场施加步骤; 用于在提取溶剂102以获得绿色压块104的同时压制磁性粉末101的压实步骤; 以及用于烧结生坯的烧结步骤。在磁场施加步骤中，将取向磁场H施加到浆料S，使得磁粉的聚集体101与溶剂102分离; 并且在压实步骤中，溶剂102相对于磁性粉末的附聚物101被萃取到与溶剂102相同的一侧。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2007266026A Manufacturing method of rare-earth sintered magnet 审中-公开
标题翻译：稀土烧结磁体的制造方法
公开(公告)号：JP2007266026A
公开(公告)日：2007-10-11
申请号：JP2006084903
申请日：2006-03-27
申请人： Tdk Corp , Tdk株式会社
发明人： SAKAMOTO TOKUJI , IRIE SHUICHIRO , MASUDA TAKESHI
IPC分类号： H01F41/02 , B22F3/02 , B22F3/10 , C22C33/02 , C22C38/00 , H01F1/053 , H01F1/06 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a rare-earth sintered magnet capable of restraining a decrease in magnetic characteristics, and obtaining low-cost and high-characteristic rare-earth sintered magnet. SOLUTION: Fine pulverization and formation in a magnetic field are performed under a low-oxygen atmosphere having an oxygen concentration of not more than 100 ppm. In this case, before the fine pulverization, a low-viscosity lubricant of not more than 10 mPa s, such as octanoic acid, octanoic acid ethyl, octanoic acid methyl, lauric acid ethyl, and lauric acid butyl is added to raw material alloy powder, thus restraining the amount of nitrogen contained in the powder and suppressing a decrease in magnetic characteristics. Processes for fine pulverization and formation in a magnetic field are performed in a nitrogen gas atmosphere, thus reducing oxygen concentration to not more than 100 ppm and restraining manufacturing costs. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够抑制磁特性降低的稀土类烧结磁体的制造方法，获得低成本，高特性的稀土类烧结磁体。解决方案：在氧浓度不大于100ppm的低氧气氛下，在磁场中进行细粉碎和形成。在这种情况下，在细粉碎之前，向原料合金粉末中加入辛酸，辛酸乙酯，辛酸甲酯，月桂酸乙酯，月桂酸丁基等不高于10mPa·s的低粘度润滑剂，从而抑制粉末中含有的氮的量并抑制磁特性的降低。在氮气气氛中进行细粉碎和磁场形成的方法，从而将氧浓度降低到100ppm以下，抑制制造成本。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2011135041A Method for producing rare earth sintered magnet 有权
标题翻译：生产稀土烧结磁铁的方法
公开(公告)号：JP2011135041A
公开(公告)日：2011-07-07
申请号：JP2010217156
申请日：2010-09-28
申请人： Tdk Corp , Tdk株式会社
发明人： IRIE SHUICHIRO , MASAOKA RAITARO , TAKARAZUMI TOSHIYA , CHIBA TETSUYA
IPC分类号： H01F41/02 , B22F1/00 , B22F3/00 , B22F3/02 , B22F3/10 , B22F3/20 , C22C19/07 , C22C38/00 , H01F1/053 , H01F1/08 , H01F7/02
CPC分类号： H01F41/0266 , B22F3/1021 , B22F3/20 , C22C19/07 , C22C33/0285 , C22C38/005 , C22C38/06 , C22C38/10 , C22C38/14 , C22C38/16 , H01F1/0557 , H01F1/0577
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a rare earth sintered magnet, producing a molded body even under an ordinary temperature, and easily manufacturing the rare earth sintered magnet having a large residual magnetic flux density. SOLUTION: The method for producing the rare earth sintered magnet 10 includes: a molding step of molding a mixture of magnetic powder containing a rare earth compound and oil-extended rubber containing oil and rubber to produce the molded body; a desolvation step of removing the oil-extended rubber from the molded body; and a calcining step of calcining the molded body from which the oil-extended rubber is removed to produce the rare earth sintered magnet 10. COPYRIGHT: (C)2011,JPO&INPIT

10. 发明专利

JP2011075155A Reacting furnace and method of manufacturing powder for magnetic material 有权
标题翻译：反应炉和制造用于磁性材料的粉末的方法
公开(公告)号：JP2011075155A
公开(公告)日：2011-04-14
申请号：JP2009224916
申请日：2009-09-29
申请人： Tdk Corp , Tdk株式会社
发明人： SUZUKI KENICHI , IRIE SHUICHIRO
IPC分类号： F27B7/06 , B22F9/04 , F27B7/14 , F27B7/24 , F27B7/36 , F27D7/06
摘要： PROBLEM TO BE SOLVED: To provide a reacting furnace suitably applied in manufacturing powder of magnetic material by using a HDDR (hydrogenation decomposition desorption recombination) method, and to provide a method of manufacturing the powder for magnetic material.
SOLUTION: This reacting furnace 1 is applied in manufacturing the powder for magnetic material by HDDR reaction. The reacting furnace 1 includes an outer container 10, a body-side cooling medium passage 10Bc and a cover-side cooling medium passage 10Cc as an outer container cooling means, an inner container 20, an inner container driving device 18 as an inner container driving means, a heater 2, a gas inlet 12I and a gas outlet 12E, and an air guide body 15 as a gas flow control means.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种适用于通过使用HDDR（氢化分解解吸复合）方法制造磁性材料粉末的反应炉，并提供一种制造磁性材料粉末的方法。解决方案：该反应炉1用于通过HDDR反应制造用于磁性材料的粉末。反应炉1包括外容器10，主体侧冷却介质通路10Bc和作为外容器冷却装置的盖侧冷却介质通路10Cc，内容器20，作为内容器驱动的内容器驱动装置18 装置，加热器2，气体入口12I和气体出口12E，以及作为气体流量控制装置的空气引导体15。版权所有（C）2011，JPO＆INPIT

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