公开(公告)号：US08289222B2

公开(公告)日：2012-10-16

申请号：US12411101

申请日：2009-03-25

申请人： Tomohiro Suetsuna ,  Kouichi Harada ,  Maki Yonetsu ,  Seiichi Suenaga ,  Naoto Ito ,  Akihiro Tsujimura

发明人： Tomohiro Suetsuna ,  Kouichi Harada ,  Maki Yonetsu ,  Seiichi Suenaga ,  Naoto Ito ,  Akihiro Tsujimura

IPC分类号： H01Q1/00

CPC分类号： H01F1/33 ,  H01Q9/16 ,  H01Q9/42 ,  Y10T428/12465

摘要： The present invention provides a core-shell magnetic material having an excellent characteristic in a high frequency band, particularly, in a GHz band. The core-shell magnetic material includes: core-shell magnetic particles including magnetic metal particles and an oxide coating layer, the magnetic metal particle containing magnetic metal selected from the group of Fe, Co, and Ni, nonmagnetic metal selected from the group of Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, a rare-earth element, Ba, and Sr, and an element selected from carbon and nitrogen, and the oxide coating layer being made of an oxide containing at least one nonmagnetic metal as one of the components of the magnetic metal particle; and oxide particles existing at least a part between the magnetic metal particles and containing nonmagnetic metal selected from the group of Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, a rare-earth element, Ba, and Sr, and in which nonmagnetic metal/magnetic metal (atomic ratio) in the particles is higher than that in the oxide coating layer.

摘要翻译： 本发明提供了在高频带，特别是GHz频带中具有优异特性的核 - 壳磁性材料。 核 - 壳磁性材料包括：包含磁性金属颗粒和氧化物涂层的核 - 壳磁性颗粒，含有选自Fe，Co和Ni的磁性金属的磁性金属颗粒，选自Mg组中的非磁性金属 ，Al，Si，Ca，Zr，Ti，Hf，Zn，Mn，稀土元素，Ba和Sr以及选自碳和氮的元素，氧化物被覆层由至少含有氧化物 一种非磁性金属作为磁性金属颗粒的组分之一; 并且存在至少一部分在磁性金属颗粒之间并且含有选自Mg，Al，Si，Ca，Zr，Ti，Hf，Zn，Mn，稀土元素，Ba和Sr中的非磁性金属的氧化物颗粒 ，其中颗粒中的非磁性金属/磁性金属（原子比）高于氧化物涂层中的非磁性金属/磁性金属（原子比）。

公开(公告)号：US08986839B2

公开(公告)日：2015-03-24

申请号：US13216619

申请日：2011-08-24

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

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

IPC分类号： B05D3/06 ,  B05D3/10 ,  H01F1/08 ,  H01F1/047 ,  H01F41/02

CPC分类号： B22F1/0018 ,  B22F1/0062 ,  B22F1/02 ,  B22F9/12 ,  B22F2998/00 ,  B82Y30/00 ,  C22C1/02 ,  C22C2202/02 ,  H01F1/0054 ,  H01F1/24 ,  H01F1/26 ,  H01F1/33 ,  Y10T428/2991 ,  Y10T428/2993 ,  Y10T428/2995 ,  Y10T428/2996 ,  Y10T428/2998 ,  B22F1/0096

摘要： A metal-containing particle aggregate of an embodiment of the present invention includes a plurality of core-shell particles. Each of the core-shell particles includes: a core portion that contains at least one magnetic metal element selected from the first group consisting of Fe, Co, and Ni, and at least one metal element selected from the second group consisting of Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, rare-earth elements, Ba, and Sr; and a shell layer that includes a carbon-containing material layer and an oxide layer that covers at least part of the core portion and includes at least one metal element that belongs to the second group and is contained in the core portion.

摘要翻译： 本发明的实施方式的含金属颗粒聚集体包括多个核 - 壳颗粒。 每个核 - 壳颗粒包括：芯部，其包含选自由Fe，Co和Ni组成的第一组中的至少一种磁性金属元素，以及选自由Mg，Al组成的第二组中的至少一种金属元素 ，Si，Ca，Zr，Ti，Hf，Zn，Mn，稀土元素，Ba和Sr; 以及壳层，其包含含碳材料层和覆盖所述芯部的至少一部分的氧化物层，并且包括属于所述第二组的至少一个金属元素并且包含在所述芯部中。

公开(公告)号：US08508423B2

公开(公告)日：2013-08-13

申请号：US12410768

申请日：2009-03-25

申请人： Tomohiro Suetsuna ,  Makoto Higaki ,  Kouichi Harada ,  Seiichi Suenaga ,  Mitsuru Ishibashi ,  Maki Yonetsu

发明人： Tomohiro Suetsuna ,  Makoto Higaki ,  Kouichi Harada ,  Seiichi Suenaga ,  Mitsuru Ishibashi ,  Maki Yonetsu

IPC分类号： H01Q1/00 ,  H01Q19/10 ,  H01Q1/38

CPC分类号： H01Q1/48 ,  H01Q9/0407 ,  H01Q9/285

摘要： The present invention provides a small antenna device realizing both miniaturization including lower profile and a broader band in a frequency band of hundreds MHz to 5 GHz and which can be mounted on a small device such as a cellular phone. An antenna device includes: a finite ground plane; a rectangular conductor plate provided above the finite ground plane, whose one side is connected to the finite ground plane, and having a bent portion substantially parallel with the one side; an antenna disposed substantially parallel with the finite ground plane above the finite ground plane, extending in a direction substantially perpendicular to the one side, and having a feeding point positioned near the other side facing the one side of the rectangular conductor plate; and a magnetic material provided in at least a part of space between the finite ground plane and the antenna.

摘要翻译： 本发明提供了一种实现小型化的小型天线装置，其小型化包括在几百MHz至5GHz的频带中的较低频带和较宽频带，并且其可以安装在诸如蜂窝电话的小型装置上。 天线装置包括：有限地平面; 设置在所述有限接地平面上方的矩形导体板，所述矩形导体板的一侧连接到所述有限接地平面，并且具有与所述一侧基本平行的弯曲部分; 天线，其设置在与所述有限接地平面以上的所述有限接地平面基本平行的方向上，所述有限接地平面在大致垂直于所述一侧的方向上延伸，并且具有位于所述矩形导体板的所述一侧附近的馈电点; 以及设置在有限接地平面和天线之间的至少一部分空间中的磁性材料。

公开(公告)号：US20100060539A1

公开(公告)日：2010-03-11

申请号：US12412249

申请日：2009-03-26

申请人： Tomohiro Suetsuna ,  Kouichi Harada ,  Maki Yonetsu ,  Seiichi Suenaga

发明人： Tomohiro Suetsuna ,  Kouichi Harada ,  Maki Yonetsu ,  Seiichi Suenaga

IPC分类号： B05D5/00 ,  B32B5/16 ,  H01F1/04 ,  H01Q1/00

CPC分类号： H01F1/33 ,  H01Q9/16 ,  H01Q9/42 ,  Y10T428/2991

摘要： The present invention provides a core-shell magnetic material having an excellent characteristic in a high frequency band, particularly, in a GHz band. The core-shell magnetic material includes: core-shell magnetic particles including magnetic metal particles and an oxide coating layer, the magnetic metal particle containing magnetic metal selected from the group of Fe, Co, and Ni, nonmagnetic metal selected from the group of Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, a rare-earth element, Ba, and Sr, and an element selected from carbon and nitrogen, and the oxide coating layer being made of an oxide containing at least one nonmagnetic metal as one of the components of the magnetic metal particle; and oxide particles existing at least a part between the magnetic metal particles and containing nonmagnetic metal selected from the group of Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, a rare-earth element, Ba, and Sr, and in which nonmagnetic metal/magnetic metal (atomic ratio) in the particles is higher than that in the oxide coating layer.

摘要翻译： 本发明提供了在高频带，特别是GHz频带中具有优异特性的核 - 壳磁性材料。 核 - 壳磁性材料包括：包含磁性金属颗粒和氧化物涂层的核 - 壳磁性颗粒，含有选自Fe，Co和Ni的磁性金属的磁性金属颗粒，选自Mg组中的非磁性金属 ，Al，Si，Ca，Zr，Ti，Hf，Zn，Mn，稀土元素，Ba和Sr以及选自碳和氮的元素，氧化物被覆层由至少含有氧化物 一种非磁性金属作为磁性金属颗粒的组分之一; 并且存在至少一部分在磁性金属颗粒之间并且含有选自Mg，Al，Si，Ca，Zr，Ti，Hf，Zn，Mn，稀土元素，Ba和Sr中的非磁性金属的氧化物颗粒 ，其中颗粒中的非磁性金属/磁性金属（原子比）高于氧化物涂层中的非磁性金属/磁性金属（原子比）。

公开(公告)号：US20090295662A1

公开(公告)日：2009-12-03

申请号：US12410768

申请日：2009-03-25

申请人： Tomohiro Suetsuna ,  Makoto Higaki ,  Kouichi Harada ,  Seiichi Suenaga ,  Mitsuru Ishibashi ,  Maki Yonetsu

发明人： Tomohiro Suetsuna ,  Makoto Higaki ,  Kouichi Harada ,  Seiichi Suenaga ,  Mitsuru Ishibashi ,  Maki Yonetsu

IPC分类号： H01Q1/00 ,  H01Q1/48

CPC分类号： H01Q1/48 ,  H01Q9/0407 ,  H01Q9/285

摘要： The present invention provides a small antenna device realizing both miniaturization including lower profile and a broader band in a frequency band of hundreds MHz to 5 GHz and which can be mounted on a small device such as a cellular phone. An antenna device includes: a finite ground plane; a rectangular conductor plate provided above the finite ground plane, whose one side is connected to the finite ground plane, and having a bent portion substantially parallel with the one side; an antenna disposed substantially parallel with the finite ground plane above the finite ground plane, extending in a direction substantially perpendicular to the one side, and having a feeding point positioned near the other side facing the one side of the rectangular conductor plate; and a magnetic material provided in at least a part of space between the finite ground plane and the antenna.

摘要翻译： 本发明提供了一种实现小型化的小型天线装置，其小型化包括在几百MHz至5GHz的频带中的较低频带和较宽频带，并且其可以安装在诸如蜂窝电话的小型装置上。 天线装置包括：有限地平面; 设置在所述有限接地平面上方的矩形导体板，所述矩形导体板的一侧连接到所述有限接地平面，并且具有与所述一侧基本平行的弯曲部分; 天线，其设置在与所述有限接地平面以上的所述有限接地平面基本平行的方向上，所述有限接地平面在大致垂直于所述一侧的方向上延伸，并且具有位于所述矩形导体板的所述一侧附近的馈电点; 以及设置在有限接地平面和天线之间的至少一部分空间中的磁性材料。

公开(公告)号：US07936310B2

公开(公告)日：2011-05-03

申请号：US12175854

申请日：2008-07-18

申请人： Fumihiko Aiga ,  Seiichi Suenaga ,  Kouichi Harada ,  Tomohiro Suetsuna ,  Maki Yonetsu ,  Naoyuki Nakagawa ,  Tomoko Eguchi

发明人： Fumihiko Aiga ,  Seiichi Suenaga ,  Kouichi Harada ,  Tomohiro Suetsuna ,  Maki Yonetsu ,  Naoyuki Nakagawa ,  Tomoko Eguchi

IPC分类号： H01Q1/38 ,  H01Q15/02

CPC分类号： H01Q15/008

摘要： A high-impedance substrate is provided, which includes a metallic plate employed as a ground plane, a resonance circuit layer spaced away from the metallic plate by a distance “t”, the resonance circuit layer being provided with at least two resonance circuits having the same height and disposed side by side with a distance “g”, a connecting component connecting the resonance circuit with the metallic plate, and a magnetic material layer interposed between the metallic plate and the resonance circuit layer. The distance “t” between the metallic plate and the resonance circuit layer is confined within the range of 0.1 to 10 mm, the distance “g” between neighboring resonance circuits is confined within the range of 0.01 to 5 mm, the distance “h” between the magnetic material layer and the resonance circuit layer is confined within the range represented by the following inequality 1: g/2≦h≦t/2  inequality 1.

摘要翻译： 提供了一种高阻抗衬底，其包括用作接地面的金属板，与金属板隔开距离“t”的谐振电路层，谐振电路层设置有至少两个具有 并列配置有距离“g”，将谐振电路与金属板连接起来的连接部件以及介于金属板和谐振电路层之间的磁性体层。 金属板和谐振电路层之间的距离“t”限制在0.1至10mm的范围内，相邻谐振电路之间的距离“g”限制在0.01至5mm的范围内，距离“h” 在磁性材料层和谐振电路层之间限制在由以下不等式1表示的范围内：g / 2＆nlE; h＆nlE; t / 2不等式1。

公开(公告)号：US07740939B2

公开(公告)日：2010-06-22

申请号：US11880521

申请日：2007-07-23

申请人： Kouichi Harada ,  Tomohiro Suetsuna ,  Seiichi Suenaga ,  Maki Yonetsu

发明人： Kouichi Harada ,  Tomohiro Suetsuna ,  Seiichi Suenaga ,  Maki Yonetsu

IPC分类号： B32B5/16 ,  B28B1/00 ,  B28B3/00 ,  C04B35/01 ,  C04B35/14 ,  C04B35/26

CPC分类号： H01F1/24 ,  B22F1/02 ,  B22F2998/00 ,  C22C2202/02 ,  H01F41/0246 ,  Y10T428/12181 ,  Y10T428/2991 ,  B22F1/0018

摘要： An insulating magnetic metal particle includes a magnetic metal particle containing at least one metal selected from the group consisting of Co, Fe, and Ni and having a diameter of 5 to 500 nm, a first inorganic insulating layer made of an oxide that covers the surface of the magnetic metal particle, and a second inorganic insulating layer made of an oxide that produces a eutectic crystal by reacting together with the first inorganic insulating layer at the time of heating them, the second inorganic insulating layer being coated on the first inorganic insulating layer. A thickness ratio of the second inorganic insulating layer with respect to the first inorganic insulating layer is set so that the first inorganic insulating layer remains on the surface of the magnetic metal particle after producing the eutectic crystal.

摘要翻译： 绝缘磁性金属颗粒包括含有选自Co，Fe和Ni中的至少一种金属并且具有5至500nm直径的磁性金属颗粒，由覆盖该表面的氧化物制成的第一无机绝缘层 的第二无机绝缘层和由第一无机绝缘层在第一无机绝缘层上涂覆的第二无机绝缘层，所述第二无机绝缘层由通过与第一无机绝缘层一起反应而产生共晶晶体的氧化物构成， 。 设定第二无机绝缘层相对于第一无机绝缘层的厚度比，使得第一无机绝缘层在产生共晶晶体之后保留在磁性金属颗粒的表面上。

公开(公告)号：US20080029300A1

公开(公告)日：2008-02-07

申请号：US11880521

申请日：2007-07-23

申请人： Kouichi Harada ,  Tomohiro Suetsuna ,  Seiichi Suenaga ,  Maki Yonetsu

发明人： Kouichi Harada ,  Tomohiro Suetsuna ,  Seiichi Suenaga ,  Maki Yonetsu

IPC分类号： H05K9/00 ,  B05D5/12

CPC分类号： H01F1/24 ,  B22F1/02 ,  B22F2998/00 ,  C22C2202/02 ,  H01F41/0246 ,  Y10T428/12181 ,  Y10T428/2991 ,  B22F1/0018

摘要： An insulating magnetic metal particle includes a magnetic metal particle containing at least one metal selected from the group consisting of Co, Fe, and Ni and having a diameter of 5 to 500 nm, a first inorganic insulating layer made of an oxide that covers the surface of the magnetic metal particle, and a second inorganic insulating layer made of an oxide that produces a eutectic crystal by reacting together with the first inorganic insulating layer at the time of heating them, the second inorganic insulating layer being coated on the first inorganic insulating layer. A thickness ratio of the second inorganic insulating layer with respect to the first inorganic insulating layer is set so that the first inorganic insulating layer remains on the surface of the magnetic metal particle after producing the eutectic crystal.

摘要翻译： 绝缘磁性金属颗粒包括含有选自Co，Fe和Ni中的至少一种金属并且具有5至500nm直径的磁性金属颗粒，由覆盖该表面的氧化物制成的第一无机绝缘层 的第二无机绝缘层和由第一无机绝缘层在第一无机绝缘层上涂覆的第二无机绝缘层，所述第二无机绝缘层由通过与第一无机绝缘层一起反应而产生共晶晶体的氧化物构成， 。 设定第二无机绝缘层相对于第一无机绝缘层的厚度比，使得第一无机绝缘层在产生共晶晶体之后保留在磁性金属颗粒的表面上。

公开(公告)号：US08883310B2

公开(公告)日：2014-11-11

申请号：US13216619

申请日：2011-08-24

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

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

IPC分类号： B32B5/16

摘要： A metal-containing particle aggregate of an embodiment of the present invention includes a plurality of core-shell particles. Each of the core-shell particles includes: a core portion that contains at least one magnetic metal element selected from the first group consisting of Fe, Co, and Ni, and at least one metal element selected from the second group consisting of Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, rare-earth elements, Ba, and Sr; and a shell layer that includes a carbon-containing material layer and an oxide layer that covers at least part of the core portion and includes at least one metal element that belongs to the second group and is contained in the core portion.

公开(公告)号：US07763094B2

公开(公告)日：2010-07-27

申请号：US11880518

申请日：2007-07-23

申请人： Tomohiro Suetsuna ,  Seiichi Suenaga ,  Kouichi Harada ,  Maki Yonetsu

发明人： Tomohiro Suetsuna ,  Seiichi Suenaga ,  Kouichi Harada ,  Maki Yonetsu

IPC分类号： B22F3/00 ,  B22F9/20 ,  H01F1/26

CPC分类号： H01F10/3231 ,  B22F9/22 ,  B22F2998/00 ,  B82Y25/00 ,  B82Y30/00 ,  C01G45/02 ,  C01G49/02 ,  C01G51/04 ,  C01P2002/22 ,  C01P2004/32 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/80 ,  C01P2006/42 ,  C22C1/051 ,  C22C32/0026 ,  H01F1/24 ,  H01F41/16 ,  H01Q17/004 ,  B22F1/0018

摘要： A precursor particle having a particle size of 10 nm or more and 1 μm or less, and comprising a first compound selected from an alkoxide, a hydroxide, a sulfate, a nitrate, a carbonate, or a carboxylate of magnetic metal containing at least one metal of Fe and Co, and a second compound selected from an alkoxide or a hydroxide, a sulfate, a nitrate, a carbonate, or a carboxylate of a metal element for forming an oxide, is prepared. Then the precursor particle is heated in a reducing atmosphere to form an insulating particle made of an oxide of the metal element by decomposing the second compound, and to precipitate a particle of the magnetic metal in the insulating particle at a particle size of 1 nm or more and 100 nm or less, thereby manufacturing a high frequency magnetic material.

摘要翻译： 具有10nm以上且1μm以下的粒径的前体粒子，并且包含选自含有至少一个以上的磁性金属的金属醇盐，氢氧化物，硫酸盐，硝酸盐，碳酸盐或羧酸盐的第一化合物 Fe和Co的金属，以及选自用于形成氧化物的金属元素的醇盐或氢氧化物，硫酸盐，硝酸盐，碳酸盐或羧酸盐的第二种化合物。 然后在还原气氛中加热前体颗粒，通过分解第二化合物形成由金属元素的氧化物制成的绝缘颗粒，并使粒子中的磁性金属颗粒沉淀在1nm的粒径或 大于或等于100nm，由此制造高频磁性材料。