公开(公告)号：US08840800B2

公开(公告)日：2014-09-23

申请号：US13597885

申请日：2012-08-29

申请人： Tomohiro Suetsuna ,  Seiichi Suenaga ,  Toshihide Takahashi ,  Tomoko Eguchi ,  Koichi Harada ,  Yasuyuki Hotta

发明人： Tomohiro Suetsuna ,  Seiichi Suenaga ,  Toshihide Takahashi ,  Tomoko Eguchi ,  Koichi Harada ,  Yasuyuki Hotta

IPC分类号： B22F1/02 ,  H01F1/01 ,  H01F1/33 ,  C22C29/12 ,  C22C32/00 ,  H01F1/24 ,  B22F1/00 ,  H01F1/153 ,  H01F41/02

CPC分类号： H01F1/01 ,  B22F1/0018 ,  B22F1/02 ,  B22F2998/10 ,  B82Y25/00 ,  B82Y30/00 ,  B82Y40/00 ,  C22C29/12 ,  C22C32/001 ,  H01F1/153 ,  H01F1/15333 ,  H01F1/24 ,  H01F1/33 ,  H01F41/005 ,  H01F41/0246 ,  Y10S977/774 ,  Y10S977/778 ,  Y10S977/81 ,  Y10S977/838 ,  Y10S977/89 ,  Y10T428/12181 ,  Y10T428/2991 ,  Y10T428/325 ,  B22F1/0003 ,  C22C1/1084 ,  C22C1/1094

摘要： A magnetic material is disclosed, which includes magnetic particles containing at least one magnetic metal selected from the group including Fe, Co and Ni, and at least one non-magnetic metal selected from Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, rare earth elements, Ba and Sr; a first coating layer of a first oxide that covers at least a portion of the magnetic particles; oxide particles of a second oxide that is present between the magnetic particles and constitutes an eutectic reaction system with the first oxide; and an oxide phase that is present between the magnetic particles and has an eutectic structure of the first oxide and the second oxide.

摘要翻译： 公开了一种磁性材料，其包括含有选自Fe，Co和Ni中的至少一种磁性金属和选自Mg，Al，Si，Ca，Zr，Ti，Hf中的至少一种非磁性金属的磁性颗粒 ，Zn，Mn，稀土元素，Ba和Sr; 覆盖至少一部分磁性颗粒的第一氧化物的第一涂层; 存在于磁性颗粒之间并与第一氧化物构成共晶反应体系的第二氧化物的氧化物颗粒; 以及存在于磁性粒子之间并具有第一氧化物和第二氧化物的共晶结构的氧化物相。

公开(公告)号：US08988301B2

公开(公告)日：2015-03-24

申请号：US13259856

申请日：2009-11-27

申请人： Maki Yonetsu ,  Tomohiro Suetsuna ,  Koichi Harada ,  Seiichi Suenaga ,  Shinji Murai ,  Yasuyuki Hotta ,  Toshihide Takahashi ,  Tomoko Eguchi ,  Noritsugu Shiokawa

发明人： Maki Yonetsu ,  Tomohiro Suetsuna ,  Koichi Harada ,  Seiichi Suenaga ,  Shinji Murai ,  Yasuyuki Hotta ,  Toshihide Takahashi ,  Tomoko Eguchi ,  Noritsugu Shiokawa

IPC分类号： H01Q1/00 ,  H01F1/33 ,  B22F1/00 ,  B22F1/02 ,  C22C38/06 ,  C22C38/10 ,  H01F1/24 ,  H01F1/26 ,  H01F41/02 ,  H01Q1/48 ,  H01Q9/28 ,  H01Q9/42 ,  H01Q17/00

CPC分类号： H01F1/33 ,  B22F1/0062 ,  B22F1/02 ,  C22C38/06 ,  C22C38/10 ,  C22C2202/02 ,  H01F1/24 ,  H01F1/26 ,  H01F41/0246 ,  H01Q1/48 ,  H01Q9/28 ,  H01Q9/42 ,  H01Q17/00 ,  Y10T428/2982

摘要： A core-shell magnetic material having an excellent characteristic in a high-frequency band, in particular a GHz-band and a high environment resistance is provided. The core-shell magnetic material includes: a magnetic member in which plural core-shell magnetic particles are bound by a binder made of a first resin; and a coating layer that is made of a second resin different from the first resin, a surface of the magnetic member being covered with the coating layer. The core-shell magnetic material is characterized in that the core-shell magnetic particle includes a magnetic metallic particle and a covering layer that covers at least part of a surface of the magnetic metallic particle, the magnetic metallic particle contains at least one magnetic metal selected from a group consisting of Fe, Co, and Ni, and the covering layer is made of an oxide, a nitride, or a carbide that contains at least one magnetic metal.

摘要翻译： 提供了在高频带，特别是GHz频带和高环境电阻方面具有优异特性的核 - 壳磁性材料。 核 - 壳磁性材料包括：多个核 - 壳磁性颗粒通过由第一树脂制成的粘合剂结合的磁性构件; 以及由与所述第一树脂不同的第二树脂制成的涂层，所述磁性构件的表面被所述涂层覆盖。 核 - 壳磁性材料的特征在于，核 - 壳磁性颗粒包括磁性金属颗粒和覆盖磁性金属颗粒表面的至少一部分的覆盖层，磁性金属颗粒包含至少一种选择的磁性金属 由Fe，Co和Ni组成的覆盖层，由覆盖层由含有至少一种磁性金属的氧化物，氮化物或碳化物构成。

公开(公告)号：US08920670B2

公开(公告)日：2014-12-30

申请号：US13597989

申请日：2012-08-29

申请人： Koichi Harada ,  Tomohiro Suetsuna ,  Toshihide Takahashi ,  Seiichi Suenaga

发明人： Koichi Harada ,  Tomohiro Suetsuna ,  Toshihide Takahashi ,  Seiichi Suenaga

IPC分类号： B22F1/02 ,  H01F1/01 ,  H01F1/26 ,  H01F1/33 ,  H01F41/02

CPC分类号： H01F1/01 ,  B22F2999/00 ,  C22C2202/02 ,  H01F1/26 ,  H01F1/33 ,  H01F41/0246 ,  B22F3/22 ,  B22F2202/05

摘要： A magnetic material of an embodiment includes: first magnetic particles that contain at least one magnetic metal selected from the group including Fe, Co, and Ni, are 1 μm or greater in particle size, and are 5 to 50 μm in average particle size; second magnetic particles that contain at least one magnetic metal selected from the group including Fe, Co, and Ni, are smaller than 1 μm in particle size, and are 5 to 50 nm in average particle size; and an intermediate phase that exists between the first magnetic particles and the second magnetic particles.

摘要翻译： 实施方式的磁性材料包括：含有选自Fe，Co和Ni中的至少一种磁性金属的第一磁性粒子的粒径为1μm以上，平均粒径为5〜50μm; 含有选自Fe，Co和Ni中的至少一种磁性金属的第二磁性粒子的粒径小于1μm，平均粒径为5〜50nm; 以及存在于第一磁性粒子和第二磁性粒子之间的中间相。

公开(公告)号：US20130257639A1

公开(公告)日：2013-10-03

申请号：US13681713

申请日：2012-11-20

申请人： Toshihide Takahashi ,  Tomohiro Suetsuna ,  Koichi Harada ,  Seiichi Suenaga

发明人： Toshihide Takahashi ,  Tomohiro Suetsuna ,  Koichi Harada ,  Seiichi Suenaga

IPC分类号： H01Q17/00

CPC分类号： H01Q17/00 ,  H01Q17/004

摘要： A radiowave absorber of an embodiment includes: core-shell particles each including: a core portion that contains at least one magnetic metal element selected from a first group including Fe, Co, and Ni, and at least one metal element selected from a second group including Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, rare-earth elements, Ba, and Sr; and a shell layer that coats at least part of the core portion, and includes an oxide layer containing at least one metal element selected from the second group and contained in the core portion; and a binding layer that binds the core-shell particles, and has a higher resistance than the resistance of the core-shell particles. The volume filling rate of the core-shell particles in the radiowave absorber is not lower than 10% and not higher than 55%.

摘要翻译： 一个实施方案的无线电波吸收器包括：核 - 壳颗粒，每个核 - 壳颗粒包括：芯部，其包含选自包含Fe，Co和Ni的第一组中的至少一种磁性金属元素，以及选自第二组的至少一种金属元素 包括Mg，Al，Si，Ca，Zr，Ti，Hf，Zn，Mn，稀土元素，Ba和Sr; 以及壳层，其涂覆至少部分芯部，并且包括含有选自第二组并且包含在芯部中的至少一种金属元素的氧化物层; 和结合层，其结合核 - 壳颗粒，并且具有比核 - 壳颗粒的电阻更高的电阻。 无线电波吸收体中核 - 壳颗粒的体积填充率不低于10％且不高于55％。

公开(公告)号：US08475922B2

公开(公告)日：2013-07-02

申请号：US12888671

申请日：2010-09-23

申请人： Tomohiro Suetsuna ,  Seiichi Suenaga ,  Tomoko Eguchi ,  Koichi Harada ,  Maki Yonetsu ,  Yasuyuki Hotta ,  Toshihide Takahashi

发明人： Tomohiro Suetsuna ,  Seiichi Suenaga ,  Tomoko Eguchi ,  Koichi Harada ,  Maki Yonetsu ,  Yasuyuki Hotta ,  Toshihide Takahashi

IPC分类号： B32B5/16

CPC分类号： B32B5/16 ,  Y10T428/25 ,  Y10T428/256 ,  Y10T428/2991

摘要： According to one embodiment, there is provided a nanoparticle composite material, including nanoparticle aggregates in a shape having an average height of 20 nm or more and 2 μm or less and having an average aspect ratio of 5 or more, the nanoparticle aggregates including metal nanoparticles having an average diameter of 1 nm or more and 20 nm or less and containing at least one magnetic metals selected from the group consisting of Fe, Co and Ni and binder existing between the nanoparticle aggregates.

摘要翻译： 根据一个实施方案，提供了纳米颗粒复合材料，其纳米颗粒聚集体的平均高度为20nm以上且2μm以下，平均纵横比为5以上，纳米粒子聚集体包含金属纳米粒子 平均直径为1nm以上且20nm以下，并且含有选自Fe，Co和Ni中的至少一种磁性金属和存在于纳米颗粒聚集体之间的粘合剂。

公开(公告)号：US20120038532A1

公开(公告)日：2012-02-16

申请号：US13259856

申请日：2009-11-27

申请人： Maki Yonetsu ,  Tomohiro Suetsuna ,  Koichi Harada ,  Seiichi Suenaga ,  Shinji Murai ,  Yasuyuki Hotta ,  Toshihide Takahashi ,  Tomoko Eguchi ,  Noritsugu Shiokawa

发明人： Maki Yonetsu ,  Tomohiro Suetsuna ,  Koichi Harada ,  Seiichi Suenaga ,  Shinji Murai ,  Yasuyuki Hotta ,  Toshihide Takahashi ,  Tomoko Eguchi ,  Noritsugu Shiokawa

IPC分类号： H01Q1/48 ,  B32B5/16 ,  H01F1/26 ,  B05D7/00 ,  B05D5/00

CPC分类号： H01F1/33 ,  B22F1/0062 ,  B22F1/02 ,  C22C38/06 ,  C22C38/10 ,  C22C2202/02 ,  H01F1/24 ,  H01F1/26 ,  H01F41/0246 ,  H01Q1/48 ,  H01Q9/28 ,  H01Q9/42 ,  H01Q17/00 ,  Y10T428/2982

摘要： A core-shell magnetic material having an excellent characteristic in a high-frequency band, in particular a GHz-band and a high environment resistance is provided. The core-shell magnetic material includes: a magnetic member in which plural core-shell magnetic particles are bound by a binder made of a first resin; and a coating layer that is made of a second resin different from the first resin, a surface of the magnetic member being covered with the coating layer. The core-shell magnetic material is characterized in that the core-shell magnetic particle includes a magnetic metallic particle and a covering layer that covers at least part of a surface of the magnetic metallic particle, the magnetic metallic particle contains at least one magnetic metal selected from a group consisting of Fe, Co, and Ni, and the covering layer is made of an oxide, a nitride, or a carbide that contains at least one magnetic metal.

摘要翻译： 提供了在高频带，特别是GHz频带和高环境电阻方面具有优异特性的核 - 壳磁性材料。 核 - 壳磁性材料包括：多个核 - 壳磁性颗粒通过由第一树脂制成的粘合剂结合的磁性构件; 以及由与所述第一树脂不同的第二树脂制成的涂层，所述磁性构件的表面被所述涂层覆盖。 核 - 壳磁性材料的特征在于，核 - 壳磁性颗粒包括磁性金属颗粒和覆盖磁性金属颗粒表面的至少一部分的覆盖层，磁性金属颗粒包含至少一种选择的磁性金属 由Fe，Co和Ni组成的覆盖层，由覆盖层由含有至少一种磁性金属的氧化物，氮化物或碳化物构成。

公开(公告)号：US20110217543A1

公开(公告)日：2011-09-08

申请号：US12888671

申请日：2010-09-23

申请人： Tomohiro SUETSUNA ,  Seiichi Suenaga ,  Tomoko Eguchi ,  Koichi Harada ,  Maki Yonetsu ,  Yasuyuki Hotta ,  Toshihide Takahashi

发明人： Tomohiro SUETSUNA ,  Seiichi Suenaga ,  Tomoko Eguchi ,  Koichi Harada ,  Maki Yonetsu ,  Yasuyuki Hotta ,  Toshihide Takahashi

IPC分类号： B32B5/16

CPC分类号： B32B5/16 ,  Y10T428/25 ,  Y10T428/256 ,  Y10T428/2991

摘要： According to one embodiment, there is provided a nanoparticle composite material, including nanoparticle aggregates in a shape having an average height of 20 nm or more and 2 μm or less and having an average aspect ratio of 5 or more, the nanoparticle aggregates including metal nanoparticles having an average diameter of 1 nm or more and 20 nm or less and containing at least one magnetic metals selected from the group consisting of Fe, Co and Ni and binder existing between the nanoparticle aggregates.

摘要翻译： 根据一个实施方案，提供一种纳米颗粒复合材料，其纳米颗粒聚集体的平均高度为20nm以上且2μm以下，平均纵横比为5以上，纳米粒子聚集体包含金属纳米粒子 平均直径为1nm以上且20nm以下，并且含有选自Fe，Co和Ni中的至少一种磁性金属和存在于纳米颗粒聚集体之间的粘合剂。

公开(公告)号：US09225072B2

公开(公告)日：2015-12-29

申请号：US13681713

申请日：2012-11-20

申请人： Toshihide Takahashi ,  Tomohiro Suetsuna ,  Koichi Harada ,  Seiichi Suenaga

发明人： Toshihide Takahashi ,  Tomohiro Suetsuna ,  Koichi Harada ,  Seiichi Suenaga

IPC分类号： H01Q17/00

CPC分类号： H01Q17/00 ,  H01Q17/004

摘要： A radiowave absorber of an embodiment includes: core-shell particles each including: a core portion that contains at least one magnetic metal element selected from a first group including Fe, Co, and Ni, and at least one metal element selected from a second group including Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, rare-earth elements, Ba, and Sr; and a shell layer that coats at least part of the core portion, and includes an oxide layer containing at least one metal element selected from the second group and contained in the core portion; and a binding layer that binds the core-shell particles, and has a higher resistance than the resistance of the core-shell particles. The volume filling rate of the core-shell particles in the radiowave absorber is not lower than 10% and not higher than 55%.

摘要翻译： 一个实施方案的无线电波吸收器包括：核 - 壳颗粒，每个核 - 壳颗粒包括：芯部，其包含选自包含Fe，Co和Ni的第一组中的至少一种磁性金属元素，以及选自第二组的至少一种金属元素 包括Mg，Al，Si，Ca，Zr，Ti，Hf，Zn，Mn，稀土元素，Ba和Sr; 以及壳层，其涂覆至少部分芯部，并且包括含有选自第二组并且包含在芯部中的至少一种金属元素的氧化物层; 和结合层，其结合核 - 壳颗粒，并且具有比核 - 壳颗粒的电阻更高的电阻。 无线电波吸收体中核 - 壳颗粒的体积填充率不低于10％且不高于55％。

公开(公告)号：US20130228717A1

公开(公告)日：2013-09-05

申请号：US13597989

申请日：2012-08-29

申请人： Koichi Harada ,  Tomohiro Suetsuna ,  Toshihide Takahashi ,  Seiichi Suenaga

发明人： Koichi Harada ,  Tomohiro Suetsuna ,  Toshihide Takahashi ,  Seiichi Suenaga

IPC分类号： H01F1/01

CPC分类号： H01F1/01 ,  B22F2999/00 ,  C22C2202/02 ,  H01F1/26 ,  H01F1/33 ,  H01F41/0246 ,  B22F3/22 ,  B22F2202/05

摘要： A magnetic material of an embodiment includes: first magnetic particles that contain at least one magnetic metal selected from the group including Fe, Co, and Ni, are 1 μm or greater in particle size, and are 5 to 50 μm in average particle size; second magnetic particles that contain at least one magnetic metal selected from the group including Fe, Co, and Ni, are smaller than 1 μm in particle size, and are 5 to 50 nm in average particle size; and an intermediate phase that exists between the first magnetic particles and the second magnetic particles.

摘要翻译： 一个实施方案的磁性材料包括：含有选自Fe，Co和Ni中的至少一种磁性金属的第一磁性颗粒的粒径为1μm以上，平均粒径为5〜50μm; 含有选自Fe，Co和Ni中的至少一种磁性金属的第二磁性颗粒的粒径小于1μm，平均粒径为5〜50nm; 以及存在于第一磁性粒子和第二磁性粒子之间的中间相。

公开(公告)号：US20130228716A1

公开(公告)日：2013-09-05

申请号：US13597885

申请日：2012-08-29

申请人： Tomohiro SUETSUNA ,  Seiichi Suenaga ,  Toshihide Takahashi ,  Tomoko Eguchi ,  Koichi Harada ,  Yasuyuki Hotta

发明人： Tomohiro SUETSUNA ,  Seiichi Suenaga ,  Toshihide Takahashi ,  Tomoko Eguchi ,  Koichi Harada ,  Yasuyuki Hotta

IPC分类号： H01F1/01

CPC分类号： H01F1/01 ,  B22F1/0018 ,  B22F1/02 ,  B22F2998/10 ,  B82Y25/00 ,  B82Y30/00 ,  B82Y40/00 ,  C22C29/12 ,  C22C32/001 ,  H01F1/153 ,  H01F1/15333 ,  H01F1/24 ,  H01F1/33 ,  H01F41/005 ,  H01F41/0246 ,  Y10S977/774 ,  Y10S977/778 ,  Y10S977/81 ,  Y10S977/838 ,  Y10S977/89 ,  Y10T428/12181 ,  Y10T428/2991 ,  Y10T428/325 ,  B22F1/0003 ,  C22C1/1084 ,  C22C1/1094

摘要： A magnetic material is disclosed, which includes magnetic particles containing at least one magnetic metal selected from the group including Fe, Co and Ni, and at least one non-magnetic metal selected from Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, rare earth elements, Ba and Sr; a first coating layer of a first oxide that covers at least a portion of the magnetic particles; oxide particles of a second oxide that is present between the magnetic particles and constitutes an eutectic reaction system with the first oxide; and an oxide phase that is present between the magnetic particles and has an eutectic structure of the first oxide and the second oxide.

摘要翻译： 公开了一种磁性材料，其包括含有选自Fe，Co和Ni中的至少一种磁性金属和选自Mg，Al，Si，Ca，Zr，Ti，Hf中的至少一种非磁性金属的磁性颗粒 ，Zn，Mn，稀土元素，Ba和Sr; 覆盖至少一部分磁性颗粒的第一氧化物的第一涂层; 存在于磁性颗粒之间并与第一氧化物构成共晶反应体系的第二氧化物的氧化物颗粒; 以及存在于磁性粒子之间并具有第一氧化物和第二氧化物的共晶结构的氧化物相。