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1. 发明申请

US20130112141A1 TREATMENT DEVICE 有权
标题翻译：治疗装置
公开(公告)号：US20130112141A1
公开(公告)日：2013-05-09
申请号：US13809198
申请日：2011-07-11
申请人： Futoshi Kuniyoshi , Shohji Nakayama
发明人： Futoshi Kuniyoshi , Shohji Nakayama
IPC分类号： H01F41/02
CPC分类号： H01F41/0293 , B22F3/24 , C21D9/0018 , C21D9/0031 , C21D9/0056 , C21D9/0068 , C21D2281/00 , C22C1/02 , C22C33/0278 , C22C38/00 , C23C10/28 , F27B7/02 , F27B7/16 , F27B7/22 , F27B7/33 , H01F1/0577
摘要： A processing system according to the present invention includes: a diffusion processing section 10 which heats a sintered R-T-B based magnet body 1 and an RH diffusion source 2 made of either a metal or alloy of a heavy rare-earth element RH (which is at least one of Dy and Tb) while rotating; a sorting section 20 which selectively sorts the RH diffusion source 2 from the sintered R-T-B based magnet body 1 when the diffusion source and the magnet body come from the diffusion processing section 10; and a heat treatment processing section 30 which conducts a heat treatment process on the sintered R-T-B based magnet body 1, in which the heavy rare-earth element RH has been diffused and from which the RH diffusion source 2 has been removed.
摘要翻译：根据本发明的处理系统包括：扩散处理部分10，其加热基于RTB的磁体1和由稀土元素RH（至少为重金属）的金属或合金制成的RH扩散源2 Dy和Tb之一）旋转; 分选部20，其在扩散源和磁体来自扩散处理部10时，从烧结的R-T-B系磁体1选择性地分选RH扩散源2; 以及对已经扩散了重稀土类元素RH并且从其中去除了RH扩散源2的烧结的R-T-B系磁体1进行热处理的热处理处理部30。

2. 发明授权

US09324494B2 Treatment device 有权
标题翻译：治疗装置
公开(公告)号：US09324494B2
公开(公告)日：2016-04-26
申请号：US13809198
申请日：2011-07-11
申请人： Futoshi Kuniyoshi , Shohji Nakayama
发明人： Futoshi Kuniyoshi , Shohji Nakayama
IPC分类号： H01F41/02 , B22F3/24 , C21D9/00 , C22C33/02 , C22C38/00 , C23C10/28 , F27B7/02 , F27B7/16 , F27B7/22 , F27B7/33 , C22C1/02 , H01F1/057
CPC分类号： H01F41/0293 , B22F3/24 , C21D9/0018 , C21D9/0031 , C21D9/0056 , C21D9/0068 , C21D2281/00 , C22C1/02 , C22C33/0278 , C22C38/00 , C23C10/28 , F27B7/02 , F27B7/16 , F27B7/22 , F27B7/33 , H01F1/0577
摘要： A processing system according to the present invention includes: a diffusion processing section 10 which heats a sintered R-T-B based magnet body 1 and an RH diffusion source 2 made of either a metal or alloy of a heavy rare-earth element RH (which is at least one of Dy and Tb) while rotating; a sorting section 20 which selectively sorts the RH diffusion source 2 from the sintered R-T-B based magnet body 1 when the diffusion source and the magnet body come from the diffusion processing section 10; and a heat treatment processing section 30 which conducts a heat treatment process on the sintered R-T-B based magnet body 1, in which the heavy rare-earth element RH has been diffused and from which the RH diffusion source 2 has been removed.
摘要翻译：根据本发明的处理系统包括：扩散处理部分10，其加热基于RTB的磁体1和由稀土元素RH（至少为重金属）的金属或合金制成的RH扩散源2 Dy和Tb之一）旋转; 分选部20，其在扩散源和磁体来自扩散处理部10时，从烧结的R-T-B系磁体1选择性地分选RH扩散源2; 以及对已经扩散了重稀土类元素RH并且从其中去除了RH扩散源2的烧结的R-T-B系磁体1进行热处理的热处理处理部30。

3. 发明授权

US08092619B2 R-T-Cu-Mn-B type sintered magnet 有权
标题翻译： R-T-Cu-Mn-B型烧结磁体
公开(公告)号：US08092619B2
公开(公告)日：2012-01-10
申请号：US12996828
申请日：2009-06-11
申请人： Futoshi Kuniyoshi , Rintaro Ishii , Hiroyuki Tomizawa
发明人： Futoshi Kuniyoshi , Rintaro Ishii , Hiroyuki Tomizawa
IPC分类号： H01F1/057
CPC分类号： H01F1/0577 , H01F41/0266
摘要： An R-T-Cu—Mn—B based sintered magnet includes: 12.0 at % to 15.0 at % of R, which is at least one of the rare-earth elements that include Y and of which at least 50 at % is Pr and/or Nd; 5.5 at % to 6.5 at % of B; 0.08 at % to 0.35 at % of Cu; 0.04 at % to less than 0.2 at % of Mn; at most 2 at % (including 0 at %) of M, which is one, two, or more elements that are selected from the group consisting of Al, Ti, V, Cr, Ni, Zn, Ga, Zr, Nb, Mo, Ag, In, Sn, Hf, Ta, W, Au, Pb and Bi; and T as the balance, which is either Fe alone or Fe and Co and of which at most 20 at % is Co if T includes both Fe and Co.
摘要翻译：一种RT-Cu-Mn-B系烧结磁体包括：12.0at％至15.0at％的R，其是至少一种包括Y的稀土元素，并且其中至少50原子％是Pr和/或钕 5.5％至6.5％的B; 0.08原子％至0.35原子％的Cu; 0.04％至小于0.2at％的Mn; 最多为2原子％（包括0原子％）的M，其为选自Al，Ti，V，Cr，Ni，Zn，Ga，Zr，Nb，Mo中的一种，两种或更多种元素，Ag，In，Sn，Hf，Ta，W，Au，Pb和Bi; 和T为余量，单独为Fe或Fe和Co，其中最多为20原子％为Co，如果T包括Fe和Co

4. 发明申请

US20110095855A1 R-T-Cu-Mn-B TYPE SINTERED MAGNET 有权
标题翻译： R-T-Cu-Mn-B型烧结磁体
公开(公告)号：US20110095855A1
公开(公告)日：2011-04-28
申请号：US12996828
申请日：2009-06-11
申请人： Futoshi Kuniyoshi , Rintaro Ishii , Hiroyuki Tomizawa
发明人： Futoshi Kuniyoshi , Rintaro Ishii , Hiroyuki Tomizawa
IPC分类号： H01F7/02
CPC分类号： H01F1/0577 , H01F41/0266
摘要： An R-T-Cu—Mn—B based sintered magnet includes: 12.0 at % to 15.0 at % of R, which is at least one of the rare-earth elements that include Y and of which at least 50 at % is Pr and/or Nd; 5.5 at % to 6.5 at % of B; 0.08 at % to 0.35 at % of Cu; 0.04 at % to less than 0.2 at % of Mn; at most 2 at % (including 0 at %) of M, which is one, two, or more elements that are selected from the group consisting of Al, Ti, V, Cr, Ni, Zn, Ga, Zr, Nb, Mo, Ag, In, Sn, Hf, Ta, W, Au, Pb and Bi; and T as the balance, which is either Fe alone or Fe and Co and of which at most 20 at % is Co if T includes both Fe and Co.
摘要翻译：一种RT-Cu-Mn-B系烧结磁体包括：12.0at％至15.0at％的R，其是至少一种包括Y的稀土元素，并且其中至少50原子％是Pr和/或钕 5.5％至6.5％的B; 0.08原子％至0.35原子％的Cu; 0.04％至小于0.2at％的Mn; 最多为2原子％（包括0原子％）的M，其为选自Al，Ti，V，Cr，Ni，Zn，Ga，Zr，Nb，Mo中的一种，两种或更多种元素，Ag，In，Sn，Hf，Ta，W，Au，Pb和Bi; 和T为余量，单独为Fe或Fe和Co，其中最多为20原子％为Co，如果T包括Fe和Co

5. 发明申请

US20070240790A1 Rare-earth sintered magnet and method for producing the same 审中-公开
标题翻译：稀土烧结磁体及其制造方法
公开(公告)号：US20070240790A1
公开(公告)日：2007-10-18
申请号：US11236708
申请日：2005-09-26
申请人： Teruyoshi Kita , Haruhiko Shimizu , Takayuki Higashi , Shigeki Muroga , Futoshi Kuniyoshi , Yuji Kaneko , Akihito Tsujimoto
发明人： Teruyoshi Kita , Haruhiko Shimizu , Takayuki Higashi , Shigeki Muroga , Futoshi Kuniyoshi , Yuji Kaneko , Akihito Tsujimoto
IPC分类号： H01F1/057
CPC分类号： H01F41/0273 , H01F1/0577
摘要： A rare-earth sintered magnet according to the present invention includes: 28.5 mass % to 32.0 mass % of R, which includes Tb and at least one of the other rare-earth elements; 0.91 mass % to 1.15 mass % of B; at most 0.35 mass % of oxygen; and Fe with or without Co and inevitably contained impurities as the balance. The magnet includes 3.2 mass % to 5.2 mass % of Tb, and has a remanence Br of at least 1.29 T, a coercivity HcJ of at least 2.4 MA/m and a maximum energy product (BH)max of at least 320 kJ/m3.
摘要翻译：根据本发明的稀土烧结磁体包括：28.5质量％至32.0质量％的R，其包括Tb和至少一种其它稀土元素; 0.91质量％〜1.15质量％的B; 至多0.35质量％的氧气; 和含有或不含Co的Fe，并且不可避免地含有杂质作为余量。所述磁体包含3.2质量％〜5.2质量％的Tb，并且具有至少1.29T的剩磁B，，至少2.4MA / m的矫顽力H cJ 和至少320kJ / m 3的最大能量乘积（BH）最大值。

6. 发明申请

US20050098239A1 R-T-B based permanent magnet material alloy and R-T-B based permanent magnet 审中-公开
标题翻译： R-T-B型永磁材料合金和R-T-B型永磁体
公开(公告)号：US20050098239A1
公开(公告)日：2005-05-12
申请号：US10958653
申请日：2004-10-06
申请人： Futoshi Kuniyoshi , Yuji Kaneko , Hiroshi Hasegawa , Shiro Sasaki
发明人： Futoshi Kuniyoshi , Yuji Kaneko , Hiroshi Hasegawa , Shiro Sasaki
IPC分类号： H01F1/057
CPC分类号： H01F1/0571 , C22C38/002 , C22C38/005 , C22C38/06 , C22C38/10 , C22C38/16
摘要： An R-T-B based permanent magnet material alloy according to the present invention is an alloy in the shape of a thin plate including R2T14B columnar crystals and R-rich phases (where R is at least one of the rare-earth elements including Y, T is Fe with or without at least one nonferrous transition metal element, and B is boron with or without carbon). In a structure of the alloy as viewed on an arbitrary cross section including a normal to the thin plate, the ratio of the combined area of some of the R-rich phases, which have aspect ratios of 10 or more and the major axes of which define angles of 90±30 degrees with respect to the surface of the thin plate, to the overall area of the R-rich phases included in the alloy is at least 30%.
摘要翻译：根据本发明的基于RTB的永磁材料合金是包括R 2 Ti 14 B柱状晶体和富R相的薄板形状的合金（其中R是包括Y的至少一种稀土元素，T是具有或不具有至少一个非铁过渡金属元素的Fe，B是具有或不具有碳的硼）。在包含平板法线的任意截面观察合金的结构中，具有10个以上的长宽比的长宽比为10以上的部分富R相的部分的合并面积的比例相对于薄板的表面定义90±30度的角度，合金中包含的富R相的总面积为至少30％。

7. 发明授权

US09484151B2 Method of producing R-T-B sintered magnet 有权
标题翻译：制造R-T-B烧结磁体的方法
公开(公告)号：US09484151B2
公开(公告)日：2016-11-01
申请号：US13977125
申请日：2012-01-19
申请人： Futoshi Kuniyoshi
发明人： Futoshi Kuniyoshi
IPC分类号： H01F41/00 , B22F3/12 , B22F3/24 , C22C28/00 , C22C33/02 , C22C38/00 , H01F41/02 , C22F1/16 , C22C38/06 , C22C38/10 , C22C38/16 , H01F1/057
CPC分类号： H01F41/005 , B22F3/12 , B22F3/24 , B22F2003/248 , C22C28/00 , C22C33/0278 , C22C38/00 , C22C38/002 , C22C38/005 , C22C38/06 , C22C38/10 , C22C38/16 , C22F1/16 , H01F1/0577 , H01F41/0293
摘要： A method for producing a sintered R-T-B based magnet includes providing at least one sintered R-T-B based magnet material (where R is a rare-earth element and T is Fe or Fe and Co); providing RH diffusion sources that include a heavy rare-earth element RH (which is Dy and/or Tb) and 30 to 80 mass % of Fe and that have a particle size between 53 μm and 5600 μm; arranging the magnet material and the RH diffusion sources in a process vessel so that some of the RH diffusion sources are in contact with the magnet material; performing an RH diffusion process by heat treating in an inert ambient at a pressure of 5000 Pa or less and at a temperature of 800° C. to 1000° C.; and separating the RH diffusion sources from the magnet material.
摘要翻译：制造R-T-B系烧结磁体的方法包括提供至少一种烧结的R-T-B系磁体材料（其中R为稀土元素，T为Fe或Fe和Co）; 提供包含重稀土元素RH（其为Dy和/或Tb）的RH扩散源和30〜80质量％的Fe，粒径为53μm〜5600μm的RH扩散源; 将磁体材料和RH扩散源布置在处理容器中，使得一些RH扩散源与磁体材料接触; 通过在5000Pa以下的温度和800℃〜1000℃的温度下在惰性环境中进行热处理进行RH扩散工序。并将RH扩散源与磁体材料分离。

8. 发明授权

US09368276B2 Method for producing R-T-B-based sintered magnets 有权
标题翻译： R-T-B系烧结磁铁的制造方法
公开(公告)号：US09368276B2
公开(公告)日：2016-06-14
申请号：US13805466
申请日：2011-07-12
申请人： Futoshi Kuniyoshi
发明人： Futoshi Kuniyoshi
IPC分类号： H01F41/02 , H01F7/02 , B22F3/24 , C22C27/00 , C22C33/02 , C22C38/00 , H01F1/057 , C22C1/02
CPC分类号： H01F41/0293 , B22F3/24 , C22C1/02 , C22C27/00 , C22C33/0278 , C22C38/00 , C22C38/005 , H01F1/0577 , H01F7/02
摘要： A method for producing a sintered R-T-B based magnet includes the steps of: providing a sintered R-T-B based magnet body 1; providing an RH diffusion source including a heavy rare-earth element RH (which is at least one of Dy and Tb) and 30 mass % to 80 mass % of Fe; loading the sintered R-T-B based magnet body 1 and the RH diffusion source 2 into a processing chamber 3 so that the magnet body 1 and the diffusion source 2 are movable relative to each other and are readily brought close to, or in contact with, each other; and performing an RH diffusion process in which the sintered magnet body 1 and the RH diffusion source 2 are heated to a processing temperature of more than 850° C. through 1000° C. while being moved either continuously or discontinuously in the processing chamber.
摘要翻译：制造R-T-B系烧结磁体的方法包括以下步骤：提供R-T-B系烧结磁体1; 提供包括重稀土元素RH（其为Dy和Tb中的至少一种）和30质量％至80质量％的Fe的RH扩散源; 将烧结的RTB基磁体1和RH扩散源2加载到处理室3中，使得磁体1和扩散源2可相对于彼此移动并且容易彼此接近或接触 ; 并且在处理室中连续地或不连续地移动时，进行将烧结磁体1和RH扩散源2加热到850℃以上1000℃以下的加工温度的RH扩散工序。

9. 发明授权

US09293252B2 R-T-B sintered magnet manufacturing method 有权
标题翻译： R-T-B烧结磁体制造方法
公开(公告)号：US09293252B2
公开(公告)日：2016-03-22
申请号：US13823153
申请日：2011-09-29
申请人： Futoshi Kuniyoshi
发明人： Futoshi Kuniyoshi
IPC分类号： H01F41/00 , C22C38/00 , C22C38/06 , C22C38/10 , C22C38/16 , C22C38/32 , H01F41/02 , H01F1/057
CPC分类号： H01F41/005 , C22C38/005 , C22C38/06 , C22C38/10 , C22C38/16 , C22C38/32 , C22C2202/02 , H01F1/0577 , H01F41/0293
摘要： [Problem] To provide a heavy rare-earth element RH diffusion process that contributes greatly to mass production.[Solution] A method for producing a sintered magnet includes the steps of: providing a sintered R-T-B based magnet body; providing an RH diffusion source which is made of at least one of a fluoride, an oxide and an oxyfluoride that each include Dy and/or Tb; loading the sintered R-T-B based magnet body and the RH diffusion source into a process chamber so that the magnet body and the diffusion source are movable relative to each other and are readily brought close to, or into contact with, each other; and performing an RH diffusion process in which the sintered R-T-B based magnet body and the RH diffusion source are heated to a processing temperature of 800° C. through 950° C. while being moved either continuously or discontinuously in the process chamber.
摘要翻译： [问题]提供重质量的稀土元素RH扩散工艺，其大大有利于批量生产。 [解决方案]烧结磁体的制造方法包括以下工序：提供烧结的R-T-B系磁体; 提供由包含Dy和/或Tb的氟化物，氧化物和氟氧化物中的至少一种制成的RH扩散源; 将烧结的R-T-B基磁体和RH扩散源装载到处理室中，使得磁体和扩散源可相对于彼此移动并且容易彼此接近或接触; 并且在处理室中连续地或不连续地移动时，将烧结的R-T-B系磁体和RH扩散源加热到800℃〜950℃的RH扩散处理。

10. 发明授权

US08317941B2 R-T-B-type sintered magnet and method for production thereof 有权
标题翻译： R-T-B型烧结磁体及其制造方法
公开(公告)号：US08317941B2
公开(公告)日：2012-11-27
申请号：US12935318
申请日：2009-03-30
申请人： Futoshi Kuniyoshi , Rintaro Ishii
发明人： Futoshi Kuniyoshi , Rintaro Ishii
IPC分类号： H01F1/057
CPC分类号： C22C38/16 , B22F2998/10 , B22F2999/00 , C22C33/0278 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/10 , C22C2202/02 , H01F1/0571 , H01F1/0573 , H01F1/0577 , H01F41/0273 , B22F9/04 , B22F3/02 , B22F3/10 , B22F2202/05
摘要： An R-T-B based sintered magnet according to the present invention has a composition including: 27.3 mass % to 29.5 mass % of R; 0.92 mass % to 1 mass % of B; 0.05 mass % to 0.3 mass % of Cu; 0.02 mass % to 0.5 mass % of M; and T as the balance, and has an oxygen content of 0.02 mass % to 0.2 mass %. The main phase of the sintered magnet is an R2T14B type compound. The crystal grain size of the main phase is represented by an equivalent circle diameter of 8 μm or less. And crystal grains with equivalent circle diameters of 4 μm or less account for at least 80% of the overall area of the main phase.
摘要翻译：本发明的R-T-B系烧结磁体具有以下成分：R：27.3质量％〜29.5质量％ 0.92质量％〜1质量％ 0.05质量％〜0.3质量％的Cu; 0.02质量％〜0.5质量％的M; T为余量，氧含量为0.02质量％〜0.2质量％。烧结磁体的主相是R2T14B型化合物。主相的晶粒尺寸由等效圆直径为8μm以下表示。而等效圆直径为4μm以下的晶粒占主相面积的至少80％。

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