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1. 发明授权

US08685179B2 Fe-based amorphous alloy, powder core using the same, and coil encapsulated powder core 有权
标题翻译： Fe基非晶合金，使用其的粉末芯，以及线圈封装的粉末芯
公开(公告)号：US08685179B2
公开(公告)日：2014-04-01
申请号：US13330420
申请日：2011-12-19
申请人： Keiko Tsuchiya , Hisato Koshiba , Kazuya Kaneko , Seiichi Abiko , Takao Mizushima
发明人： Keiko Tsuchiya , Hisato Koshiba , Kazuya Kaneko , Seiichi Abiko , Takao Mizushima
IPC分类号： C22C45/02
CPC分类号： C22C45/02 , C21D6/00 , C21D2201/03 , C22C33/003 , C22C33/02 , C22C2200/02 , C22C2202/02 , H01F1/15308 , H01F27/255 , H01F41/0226 , H01F2017/048
摘要： An Fe-based amorphous alloy of the present invention has a composition formula represented by Fe100-a-b-c-x-y-z-tNiaSnbCrcPxCyBzSit, and in the formula, 0 at %≦a≦10 at %, 0 at %≦b≦3 at %, 0 at %≦c≦6 at %, 6.8 at %≦x≦10.8 at %, 2.2 at %≦y≦9.8 at %, 0 at %≦z≦4.2 at %, and 0 at %≦t≦3.9 at % hold. Accordingly, an Fe-based amorphous alloy used for a powder core and/or a coil encapsulated powder core having a low glass transition temperature (Tg), a high conversion vitrification temperature (Tg/Tm), and excellent magnetization and corrosion resistance can be manufactured.
摘要翻译：本发明的Fe基非晶合金具有由Fe100-abcxyz-tNiaSnbCrcPxCyBzSit表示的组成式，在该式中，0at％＆nlE; a＆nlE; 10at％，0at％＆amp; nlE; b＆nlE; 3at％ at％＆nlE; c＆nlE; 6 at％，6.8 at％＆nlE; x＆nlE; 10.8 at％，2.2 at％＆nlE; y＆nlE; 9.8 at％，0 at％＆nlE; z＆nlE; 4.2 at％，0 at％＆nlE; t＆nlE ; 3.9 at％hold。因此，用于具有低玻璃化转变温度（Tg），高转化玻璃化温度（Tg / Tm）和优异的耐磁化性和耐腐蚀性的粉末芯和/或线圈封装粉末芯的Fe基非晶合金可以是制造。

2. 发明授权

US08282745B2 Fe-based soft magnetic alloy and dust core using fe-based soft magnetic alloy 有权
标题翻译： Fe基软磁合金和粉芯使用Fe基软磁合金
公开(公告)号：US08282745B2
公开(公告)日：2012-10-09
申请号：US13180424
申请日：2011-07-11
申请人： Keiko Tsuchiya , Hisato Koshiba , Jun Okamoto , Takao Mizushima
发明人： Keiko Tsuchiya , Hisato Koshiba , Jun Okamoto , Takao Mizushima
IPC分类号： H01F1/153 , H01F1/147
CPC分类号： H01F1/26 , B82Y25/00 , B82Y30/00 , C22C38/02 , C22C45/02 , H01F1/14766 , H01F1/15308 , H01F1/15333 , H01F1/15375 , H01F41/0246
摘要： An Fe-based soft magnetic alloy includes: Fe; and a component R, wherein the component R contains at least one of P, C, B, and Si, there is a temperature difference of equal to or greater than 20° C. between a precipitation temperature of an α-Fe crystal phase and a precipitation temperature of an Fe compound, the Fe-based soft magnetic alloy is formed of a mixed-phase structure in which an amorphous phase and the α-Fe crystal phase are mixed, and a diameter of a crystallite of the α-Fe crystal phase is equal to or smaller than 50 nm, and a volume fraction of the α-Fe crystal phase to the total is equal to or lower than 40%. In addition, the composition formula is represented by Fe100−x−uJxRu, a component J contains at least one of Cr, Co, Ni, and Nb, and 0 at %≦x≦6 at %, 17 at %≦u≦25 at %, and 17 at %≦x+u≦27.1 at % are satisfied.
摘要翻译： Fe基软磁合金包括：Fe; 和组分R，其中组分R含有P，C，B和Si中的至少一种，在α-Fe结晶相的析出温度和 Fe化合物的沉淀温度，Fe系软磁合金由混合了非晶相和α-Fe结晶相的混合相构成，α-Fe结晶的微晶直径相等于或小于50nm，α-Fe结晶相的总体积分数等于或低于40％。另外，组成式由Fe100-x-uJxRu表示，成分J含有Cr，Co，Ni和Nb中的至少一种，0at％和nlE; x和nlE; 6at％，17at％和nlE; u＆ ; 25at％，17 at％＆nlE; x + u＆nlE; 27.1 at％。

3. 发明授权

US06183889B2 Magneto-impedance element, and magnetic head, thin film magnetic head, azimuth sensor and autocanceler using the same 失效
标题翻译：磁阻元件，磁头，薄膜磁头，方位角传感器和使用该磁头的自动平移机
公开(公告)号：US06183889B2
公开(公告)日：2001-02-06
申请号：US09141679
申请日：1998-08-27
申请人： Hisato Koshiba , Takao Mizushima , Akihoro Makino , Yoshihiro Sudo , Shinichi Sasagawa , Yuichi Shonai , Akihisa Inoue
发明人： Hisato Koshiba , Takao Mizushima , Akihoro Makino , Yoshihiro Sudo , Shinichi Sasagawa , Yuichi Shonai , Akihisa Inoue
IPC分类号： G11B566
CPC分类号： B82Y25/00 , B82Y10/00 , G01R33/02 , G01R33/09 , G11B5/33 , G11B5/332 , G11B5/3903 , G11B5/3967 , G11B2005/3996 , H01L43/10 , Y10S428/90 , Y10T428/115 , Y10T428/32
摘要： A magneto-impedance element, showing a change in impedance in response to an external magnetic field when an alternating current is applied, is composed of a glassy alloy. The glassy alloy is composed of at least one base metal selected from the group consisting of Fe, Co and Ni; at least one additional metal selected from the group consisting of Zr, Nb, Ta, Hf, Mo, Ti and V; and B. The glassy alloy has a temperature region &Dgr;Tx, of the supercooling liquid zone of 20° C. or more which is represented by the equation &Dgr;Tx=Tx−Tg wherein Tx is the crystallization temperature and Tg is the glass transition temperature. A magnetic head, a thin film magnetic head, an azimuth sensor and an autocanceler are provided with the MI element.
摘要翻译：示出了当施加交流电流时响应于外部磁场的阻抗变化的磁阻元件由玻璃态合金构成。玻璃状合金由选自Fe，Co和Ni中的至少一种贱金属构成; 选自Zr，Nb，Ta，Hf，Mo，Ti和V中的至少一种另外的金属; 玻璃状合金具有20℃以上的过冷液体区域的温度区域DELTATx，其由等式DELTATx = Tx-Tg表示，其中Tx是结晶温度，Tg是玻璃化转变温度。 MI元件设有磁头，薄膜磁头，方位传感器和自动平移机。

4. 发明申请

US20050236071A1 Amorphous soft magnetic alloy powder, and dust core and wave absorber using the same 有权
标题翻译：无定形软磁合金粉末，和防尘芯和吸波器使用相同
公开(公告)号：US20050236071A1
公开(公告)日：2005-10-27
申请号：US11111336
申请日：2005-04-21
申请人： Hisato Koshiba , Hidetaka Kenmotsu , Yutaka Naito , Takao Mizushima
发明人： Hisato Koshiba , Hidetaka Kenmotsu , Yutaka Naito , Takao Mizushima
IPC分类号： B22F9/08 , B22F3/00 , C22C45/02 , H01F1/153 , H01F1/20 , H01F1/26 , H01F3/08 , H01F41/02
CPC分类号： H01F41/0246 , H01F1/15308 , H01F1/15341
摘要： An amorphous soft magnetic alloy powder which is produced by a water atomization method is provided. The powder contains an amorphous phase having a temperature interval ΔTx of a supercooled liquid of 20K or more; having a hardness Hv of 1000 or less; is provided with a layer with a high concentration of Si at a surface portion thereof; and being represented by the following composition formula: Fe100-a-b-x-y-z-w-tCOaNibMxPyCzBwSit And M is one or two or more elements selected from Cr, Mo, W, V, Nb, Ta, Ti, Zr, Hf, Pt, Pd, and Au.
摘要翻译：提供了通过水雾化法制造的无定形软磁性合金粉末。该粉末含有具有20K以上的过冷液体的温度区间ΔTx的非晶相; 硬度Hv为1000以下; 在其表面部分设置有具有高浓度Si的层; 并且由以下组成式表示：<？in-line-formula description =“In-line Formulas”end =“lead”？> Fe 100-abxyzwt Ni> x x x x x x x x x x x x x>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 并且M是选自Cr，Mo，W，V，Nb，Ta，...中的一种或两种以上的元素， Ti，Zr，Hf，Pt，Pd和Au。

5. 发明授权

US07132019B2 Amorphous soft magnetic alloy powder, and dust core and wave absorber using the same 有权
标题翻译：无定形软磁合金粉末，和防尘芯和吸波器使用相同
公开(公告)号：US07132019B2
公开(公告)日：2006-11-07
申请号：US11111336
申请日：2005-04-21
申请人： Hisato Koshiba , Hidetaka Kenmotsu , Yutaka Naito , Takao Mizushima
发明人： Hisato Koshiba , Hidetaka Kenmotsu , Yutaka Naito , Takao Mizushima
IPC分类号： H01F1/147 , H01F1/153
CPC分类号： H01F41/0246 , H01F1/15308 , H01F1/15341
摘要： An amorphous soft magnetic alloy powder which is produced by a water atomization method is provided. The powder contains an amorphous phase having a temperature interval ΔTx of a supercooled liquid of 20K or more; having a hardness Hv of 1000 or less; is provided with a layer with a high concentration of Si at a surface portion thereof; and being represented by the following composition formula: Fe100−a−b−x−y−z−w−tCOaNibMxPyCzBwSit And M is one or two or more elements selected from Cr, Mo, W, V, Nb, Ta, Ti, Zr, Hf, Pt, Pd, and Au.
摘要翻译：提供了通过水雾化法制造的无定形软磁性合金粉末。该粉末含有具有20K以上的过冷液体的温度区间ΔTx的非晶相; 硬度Hv为1000以下; 在其表面部分设置有具有高浓度Si的层; 并且由以下组成式表示：<？in-line-formula description =“In-line Formulas”end =“lead”？> Fe 100-abxyzwt Ni> x x x x x x x x x x x x x>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 并且M是选自Cr，Mo，W，V，Nb，Ta，...中的一种或两种以上的元素， Ti，Zr，Hf，Pt，Pd和Au。

6. 发明申请

US20090017279A1 ELECTROMAGNETIC WAVE SUPPRESSING SHEET 审中-公开
标题翻译：电磁波抑制片
公开(公告)号：US20090017279A1
公开(公告)日：2009-01-15
申请号：US12143030
申请日：2008-06-20
申请人： Takao Mizushima , Seiichi Abiko , Kyoichi Kawase , Toshio Takahashi , Satoshi Maruyama
发明人： Takao Mizushima , Seiichi Abiko , Kyoichi Kawase , Toshio Takahashi , Satoshi Maruyama
IPC分类号： H05K9/00 , H01F1/00 , B32B5/16
CPC分类号： H05K9/0083 , H01F1/15308 , H01F1/26 , H01F41/16 , Y10T428/268 , Y10T428/31 , Y10T428/32
摘要： An electromagnetic wave suppressing sheet according to the invention is a sheet including a magnetic powder and an insulating material. A real part of a permittivity in an in-plane direction of the sheet is about 200 or more, and an imaginary part thereof is about 25 or more. Accordingly, it is possible to obtain an electromagnetic wave absorbing sheet which exhibits an excellent electric wave absorption characteristic in which an absorption amount of electromagnetic waves is large in an in-plane direction of the sheet.
摘要翻译：根据本发明的电磁波抑制片是包括磁性粉末和绝缘材料的片材。在片材的面内方向上的介电常数的实部为约200以上，其虚部为约25以上。因此，可以获得在片材的面内方向上电磁波的吸收量大的电波吸收特性的电磁波吸收片。

7. 发明授权

US6077367A Method of production glassy alloy 失效
标题翻译：生产玻璃态合金的方法
公开(公告)号：US6077367A
公开(公告)日：2000-06-20
申请号：US25963
申请日：1998-02-19
申请人： Takao Mizushima , Akihiro Makino , Akihisa Inoue
发明人： Takao Mizushima , Akihiro Makino , Akihisa Inoue
IPC分类号： C21D6/00 , C22C33/04 , C22C45/02 , H01F1/153
CPC分类号： C22C45/02 , H01F1/15308 , H01F1/15341
摘要： The present invention provides a method of producing a glassy alloy which has soft magnetism at room temperature and high resistivity and which can be easily obtained in a bulk shape thicker than an amorphous alloy ribbon obtained by a conventional melt quenching method. In this method, a melted metal having a supercooled liquid temperature width .DELTA.T.sub.x of 35.degree. C. or more, which is expressed by the equation .DELTA.T.sub.x =T.sub.x -T.sub.g (wherein T.sub.x indicates the crystallization temperature, and T.sub.g indicates the glass transition temperature), is sprayed on a cooling body under movement to form a ribbon-shaped glassy alloy material; and the glassy alloy is then heat-treated by heating at a heating rate of 0.15 to 3.degree. C./sec and then cooling.
摘要翻译：本发明提供了一种在室温下具有软磁性和高电阻率的玻璃状合金的制造方法，其可以容易地以比通过常规熔融淬火法获得的非晶态合金带更厚的块状获得。在该方法中，具有35℃或更高的过冷液体温度宽度DELTA Tx的熔融金属由等式DELTA Tx = Tx-Tg（其中Tx表示结晶温度，Tg表示玻璃化转变温度）在运动下喷洒在冷却体上以形成带状玻璃状合金材料; 然后通过以0.15〜3℃/秒的加热速度加热然后冷却来对玻璃状合金进行热处理。

8. 发明授权

US07277001B2 Coil-embedded dust core 有权
标题翻译：线圈嵌入式防尘芯
公开(公告)号：US07277001B2
公开(公告)日：2007-10-02
申请号：US11206113
申请日：2005-08-16
申请人： Takao Mizushima , Yutaka Naito , Kazuo Aoki , Hidetaka Kemmotsu , Satoshi Watabe
发明人： Takao Mizushima , Yutaka Naito , Kazuo Aoki , Hidetaka Kemmotsu , Satoshi Watabe
IPC分类号： H01F27/29
CPC分类号： H01F41/0246 , H01F17/04 , H01F27/027 , H01F27/2847 , H01F27/292 , H01F2017/046 , H01F2017/048
摘要： A coil-embedded dust core of the present invention is provided with a molded coil component including a coil main body having a structure in which a flat type conductor wire is wound edgewise, one end side terminal portion disposed by being lead in the thickness direction of the coil main body, the other end side terminal portion, one end side leading electrode portion disposed by extending the one end side terminal portion, and the other end side leading electrode portion disposed by extending the other end side terminal portion; and a dust core composed of a soft magnetic alloy powder disposed covering the coil main body, the one end side terminal portion, and the other end side terminal portion of the molded coil component.
摘要翻译：本发明的线圈嵌入式防尘芯具有一个模制的线圈组件，该线圈组件包括一个线圈主体，该线圈主体具有扁平型导线沿边缘缠绕的结构，一个端侧端子部分沿着线圈主体，另一端侧端子部分，通过延伸一端侧端子部分而设置的一个端部侧引出电极部分和通过延伸另一端侧端子部分而设置的另一端侧引出电极部分; 以及由覆盖线圈主体，一端侧端子部和模制线圈部件的另一端侧端子的软磁性合金粉末构成的防尘芯。

9. 发明授权

US06287514B1 Sinter and casting comprising Fe-based high-hardness glassy alloy 有权
公开(公告)号：US06287514B1
公开(公告)日：2001-09-11
申请号：US09408765
申请日：1999-09-29
申请人： Takao Mizushima , Akihiro Makino , Akihisa Inoue
发明人： Takao Mizushima , Akihiro Makino , Akihisa Inoue
IPC分类号： C22C104
CPC分类号： A63B53/04 , A63B53/0466 , A63B53/047 , A63B53/0487 , A63B53/10 , A63B53/12 , A63B60/00 , A63B60/48 , A63B2053/0416 , A63B2209/00 , B22F2998/00 , C22C33/0257 , C22C45/02 , B22F9/002
摘要： The present invention relates to a sinter and a casting comprising a high-hardness glassy alloy containing at least Fe and at least a metalloid element and having a temperature interval &Dgr;Tx of a supercooled liquid as expressed by &Dgr;Tx=Tx−Tg (where, Tx is a crystallization temperature and Tg is a glass transition temperature) of at least 20° C., which permit easy achievement of a complicated concave/convex shape.

10. 发明授权

US06227985B1 Sinter and casting comprising Fe-based high-hardness glassy alloy 有权
标题翻译：高尔夫球杆头和高尔夫球杆杆
公开(公告)号：US06227985B1
公开(公告)日：2001-05-08
申请号：US09408900
申请日：1999-09-29
申请人： Takao Mizushima , Akihiro Makino , Akihisa Inoue
发明人： Takao Mizushima , Akihiro Makino , Akihisa Inoue
IPC分类号： A63B5304
CPC分类号： A63B53/04 , A63B53/0466 , A63B53/047 , A63B53/0487 , A63B53/10 , A63B53/12 , A63B60/00 , A63B60/48 , A63B2053/0416 , A63B2209/00 , B22F2998/00 , C22C33/0257 , C22C45/02 , B22F9/002
摘要： The present invention relates to a sinter and a casting comprising a high-hardness glassy alloy containing at least Fe and at least a metalloid element and having a temperature interval &Dgr;Tx of a supercooled liquid as expressed by &Dgr;Tx=Tx−Tg (where, Tx is a crystallization temperature and Tg is a glass transition temperature) of at least 20° C., which permit easy achievement of a complicated concave/convex shape.
摘要翻译：本发明涉及包含至少含有Fe和至少一种准金属元素并具有由DELTATx = Tx-Tg表示的过冷液体的温度区间DELTATx的高硬度玻璃态合金（其中，Tx为结晶温度和Tg是玻璃化转变温度）为20℃以上，容易实现复杂的凹凸形状。

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