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1. 发明授权

US5755986A Soft-magnetic dielectric high-frequency composite material and method for making the same 失效
标题翻译：软磁介质高频复合材料及其制造方法
公开(公告)号：US5755986A
公开(公告)日：1998-05-26
申请号：US717538
申请日：1996-09-19
申请人： Yutaka Yamamoto , Takao Mizushima , Akihiro Makino , Takashi Hatanai , Teruyoshi Kubokawa
发明人： Yutaka Yamamoto , Takao Mizushima , Akihiro Makino , Takashi Hatanai , Teruyoshi Kubokawa
IPC分类号： C22C1/04 , H01F1/37 , H01F1/28 , H01F1/147 , H01F1/24
CPC分类号： H01F1/37 , C22C1/0441
摘要： A high-frequency composite material, having soft magnetic and dielectric characteristics, comprising a soft magnetic alloy powder represented by the general composition A.sub.a M.sub.b D.sub.c and a synthetic resin, wherein A represents at least one element or mixture thereof selected from the group consisting of Fe, Co and Ni; M represents at least one element or mixture thereof selected from the group consisting of Hf, Zr, W, Ti, V, Nb, Mo, Cr, Mg, Mn, Al, Si, Ca, Sr, Ba, Cu, Ga, Ge, As, Se, Zn, Cd, In, Sn, Sb, Te, Pb, Bi and rare earth elements; D represents at least one element or mixture thereof selected from the group consisting of O, C, N and B; and the suffixes a, b, and c in the general formula A.sub.a M.sub.b D.sub.c satisfy the following equations represented by atomic percent: 40.ltoreq.a
摘要翻译：一种具有软磁性和介电特性的高频复合材料，其特征在于，包括一般组成AaMbDc和合成树脂所代表的软磁性合金粉末，其中A代表选自Fe，Co中的至少一种元素或者它们的混合物和镍; M表示选自Hf，Zr，W，Ti，V，Nb，Mo，Cr，Mg，Mn，Al，Si，Ca，Sr，Ba，Cu，Ga，Ge中的至少一种元素或者它们的混合物，As，Se，Zn，Cd，In，Sn，Sb，Te，Pb，Bi和稀土元素; D表示选自O，C，N和B的至少一种元素或其混合物; 并且通式AaMbDc中的后缀a，b和c满足由原子百分比表示的以下等式：40 50。 \！

2. 发明授权

US06692582B1 Hard magnetic alloy, hard magnetic alloy compact and method for producing the same 失效
标题翻译：硬磁合金，硬磁合金紧凑型及其制造方法
公开(公告)号：US06692582B1
公开(公告)日：2004-02-17
申请号：US09697632
申请日：2000-10-26
申请人： Akinori Kojima , Akihiro Makino , Takashi Hatanai , Yutaka Yamamoto , Akihisa Inoue
发明人： Akinori Kojima , Akihiro Makino , Takashi Hatanai , Yutaka Yamamoto , Akihisa Inoue
IPC分类号： H01F100
CPC分类号： B82Y25/00 , H01F1/0579
摘要： A hard magnetic alloy in accordance with the present invention is composed of at least element T selected from the group consisting of Fe, Co and Ni, at least one rare earth element R, and boron (B). The hard magnetic alloy has an absolute value of the temperature coefficient of magnetization of 0.15%/° C. or less and a coercive force of 1 kOe, when being used in a shape causing a permeance factor of 2 or more. A hard magnetic alloy compact in accordance with the present invention has a texture, in which at least a part or all of the texture comprises an amorphous phase or fine crystalline phase having an average crystal grain size of 100 nm or less, is subjected to crystallization or grain growth under stress, such that a mixed phase composed of a soft magnetic or semi-hard magnetic phase and a hard magnetic phase is formed in the texture, and anisotropy is imparted to the crystal axis of the hard magnetic phase.
摘要翻译：根据本发明的硬磁合金由至少选自Fe，Co和Ni，至少一种稀土元素R和硼（B）的元素T组成。当使用导磁系数为2以上的形状时，硬磁合金的磁化温度的绝对值为0.15％/℃以下，矫顽力为1kOe。根据本发明的硬磁合金压块具有其中至少部分或全部组织包含平均晶粒尺寸为100nm以下的非晶相或细结晶相的织构，进行结晶化或在应力下的晶粒生长，使得在织构中形成由软磁性或半硬磁性相和硬磁性相组成的混合相，并且赋予硬磁相的晶轴各向异性。

3. 发明授权

US06171410B2 Hard magnetic alloy, hard magnetic alloy compact, and method for producing the same 失效
标题翻译：硬磁合金，硬磁合金，其制造方法
公开(公告)号：US06171410B2
公开(公告)日：2001-01-09
申请号：US09026853
申请日：1998-02-20
申请人： Akinori Kojima , Akihiro Makino , Takashi Hatanai , Yutaka Yamamoto , Akihisa Inoue
发明人： Akinori Kojima , Akihiro Makino , Takashi Hatanai , Yutaka Yamamoto , Akihisa Inoue
IPC分类号： H01F104
CPC分类号： B82Y25/00 , H01F1/0579
摘要： A hard magnetic alloy in accordance with the present invention is composed of at least element T selected from the group consisting of Fe, Co and Ni, at least one rare earth element R, and boron (B). The hard magnetic alloy has an absolute value of the temperature coefficient of magnetization of 0.15%/° C. or less and a coercive force of 1 kOe, when being used in a shape causing a permeance factor of 2 or more. A hard magnetic alloy compact in accordance with the present invention has a texture, in which at least a part or all of the texture comprises an amorphous phase or fine crystalline phase having an average crystal grain size of 100 nm or less, is subjected to crystallization or grain growth under stress, such that a mixed phase composed of a soft magnetic or semi-hard magnetic phase and a hard magnetic phase is formed in the texture, and anisotropy is imparted to the crystal axis of the hard magnetic phase.
摘要翻译：根据本发明的硬磁合金由至少选自Fe，Co和Ni，至少一种稀土元素R和硼（B）的元素T组成。当使用导磁系数为2以上的形状时，硬磁合金的磁化温度的绝对值为0.15％/℃以下，矫顽力为1kOe。根据本发明的硬磁合金压块具有其中至少部分或全部组织包含平均晶粒尺寸为100nm以下的非晶相或细结晶相的织构，进行结晶化或在应力下的晶粒生长，使得在织构中形成由软磁性或半硬磁性相和硬磁性相组成的混合相，并且赋予硬磁相的晶轴各向异性。

4. 发明授权

US6034450A Stepping motor and method of manufacturing hard magnetic alloy therefor 失效
标题翻译：步进电机及制造硬磁合金的方法
公开(公告)号：US6034450A
公开(公告)日：2000-03-07
申请号：US111991
申请日：1998-07-08
申请人： Akinori Kojima , Akihiro Makino , Takashi Hatanai , Yutaka Yamamoto , Akihisa Inoue
发明人： Akinori Kojima , Akihiro Makino , Takashi Hatanai , Yutaka Yamamoto , Akihisa Inoue
IPC分类号： C22C38/00 , H01F1/057 , H02K1/02 , H02K15/02 , H02K37/18 , H02K37/00
CPC分类号： B82Y25/00 , H01F1/0571 , H01F1/0579 , H02K1/02 , H02K37/18
摘要： In a stepping motor having a stator provided with an electromagnet and a rotor composed of a hard magnetic alloy, the hard magnetic alloy comprises at least one element T of Fe and Co, at least one element R of rare earth elements and B, has a remanence ratio of at least 0.7, remanent magnetization (Ir) of at least 120 emu/g and coercive force (iHc) of at least 1 kOe and includes a fine crystalline phase having an average crystal grain size of 100 nm or less as a main phase. The hard magnetic alloy is solidified and compacted by making use of a softening phenomenon which arises when the amorphous phase contained in the structure of the hard magnetic alloy is crystallized. A method of manufacturing the hard magnetic alloy used to the stepping motor is also disclosed.
摘要翻译：在具有设置有电磁体的定子和由硬磁合金构成的转子的步进电机中，硬磁合金包括至少一种Fe和Co的元素T，稀土元素和B的至少一个元素R具有至少为0.7的剩磁比（Ir）至少为120emu / g，矫顽磁力（iHc）为至少1kOe，并且包括平均晶粒尺寸为100nm以下的细晶相为主相。通过利用在硬质合金的结构中包含的非晶相结晶时产生的软化现象，硬磁性合金被固化和压实。还公开了用于步进电动机的硬磁合金的制造方法。

5. 发明授权

US06312530B1 Magnetostrictive material 失效
标题翻译：磁致伸缩材料
公开(公告)号：US06312530B1
公开(公告)日：2001-11-06
申请号：US09173292
申请日：1998-10-14
申请人： Akinori Kojima , Akihiro Makino , Takashi Hatanai , Yutaka Yamamoto , Akihisa Inoue
发明人： Akinori Kojima , Akihiro Makino , Takashi Hatanai , Yutaka Yamamoto , Akihisa Inoue
IPC分类号： H01F1055
CPC分类号： H01L41/20 , H01F1/0306 , H01F1/15308 , H01F1/15325
摘要： A magnetostrictive material is produced by annealing an alloy consisting essentially of an amorphous phase and comprising Fe, Dy, and Tb as primary components, at least one element selected from the group consisting of Ta, Nb, Zr, Hf, V, W, Mo, Si and B and/or at least one element selected from the group consisting of Cr, Al, Ga, Ge, Cu, Au, Ag, Pt, Pd, Os, Ir, and Rh.
摘要翻译：一种磁致伸缩材料是通过退火基本上由非晶相组成并包含Fe，Dy和Tb作为主要成分的合金，至少一种选自Ta，Nb，Zr，Hf，V，W，Mo ，Si和B和/或选自Cr，Al，Ga，Ge，Cu，Au，Ag，Pt，Pd，Os，Ir和Rh中的至少一种元素。

6. 发明授权

US06235129B1 Hard magnetic material 有权
标题翻译：硬磁材料
公开(公告)号：US06235129B1
公开(公告)日：2001-05-22
申请号：US09201922
申请日：1998-12-01
申请人： Akinori Kojima , Akihiro Makino , Takashi Hatanai , Yutaka Yamamoto , Akihisa Inoue
发明人： Akinori Kojima , Akihiro Makino , Takashi Hatanai , Yutaka Yamamoto , Akihisa Inoue
IPC分类号： H01F1057
CPC分类号： H01F1/0571 , H01F1/058
摘要： A hard magnetic material contains Co as a main component, at least one element Q of P, C, Si and B, and Sm, and an amorphous phase and a fine crystalline phase. The texture of the hard magnetic material contains 50% by volume or more of fine crystalline phase having an average crystal grain size of 100 nm or less, and has a mixed phase state containing a soft magnetic phase and a hard magnetic phase. Further, anisotropy is imparted to the crystal axis of the hard magnetic phase.
摘要翻译：硬磁性材料包含Co作为主要成分，至少有一个P，C，Si和B的元素Q和Sm，以及非晶相和细晶相。硬磁性材料的质地含有平均结晶粒径为100nm以下的微细晶相的50体积％以上，具有含有软磁性相和硬磁性相的混合相状态。此外，赋予硬磁相的晶轴各向异性。

7. 发明授权

US06446702B1 Apparatus and method for producing metallic ribbon 失效
标题翻译：用于生产金属带的装置和方法
公开(公告)号：US06446702B1
公开(公告)日：2002-09-10
申请号：US09324994
申请日：1999-06-02
申请人： Junichi Murakami , Akinori Kojima , Yutaka Yamamoto , Akihiro Makino , Takashi Hatanai
发明人： Junichi Murakami , Akinori Kojima , Yutaka Yamamoto , Akihiro Makino , Takashi Hatanai
IPC分类号： B22D1100
CPC分类号： B22D11/0694 , B22D11/0602
摘要： An apparatus for producing a metallic ribbon includes a cooling roll, a melt nozzle, and an air-cutoff unit provided to cover at least a portion of the periphery of the cooling roll and at least the melt blowout end of the melt nozzle, for preventing an inflow of air due to rotation of the cooing roll. The air-cutoff unit has a roll top air-cutoff plate provided above the cooling roll to extent from the front side to the rear side in the rotation direction of the cooling roll in such a manner that it approaches the cooling surface in the direction opposite to the rotation direction of the cooling roll. The melt blowout end of the melt nozzle is arranged to pass through a nozzle mounting hole provided in the roll top air-cutoff plate and face the cooling surface of the cooling roll.
摘要翻译：一种用于制造金属带的设备包括冷却辊，熔体喷嘴和空气截断单元，其设置成覆盖冷却辊的至少一部分周边和至少熔体喷嘴的熔喷部分，用于防止由于冷却辊的旋转引起的空气流入。空气截断单元具有设置在冷却辊上方的辊顶空气切断板，其在冷却辊的旋转方向上从前侧到后侧延伸，使得其沿相反方向接近冷却表面相对于冷却辊的旋转方向。熔体喷嘴的熔喷端部设置成穿过设置在辊顶空气切断板上的喷嘴安装孔并面对冷却辊的冷却面。

8. 发明授权

US06060977A Core for use in inductive element, transformer and inductor 失效
标题翻译：用于电感元件，变压器和电感器的核心
公开(公告)号：US06060977A
公开(公告)日：2000-05-09
申请号：US225632
申请日：1999-01-05
申请人： Yutaka Yamamoto , Takashi Hatanai , Akihiro Makino , Toshitaka Minamisawa
发明人： Yutaka Yamamoto , Takashi Hatanai , Akihiro Makino , Toshitaka Minamisawa
IPC分类号： H01F17/00 , H01F17/04 , H01F5/00 , H01F27/28
CPC分类号： H01F17/0006 , H01F17/04
摘要： The present invention provides an inductor having a small core loss at a high frequency. The inductor includes a transformer that has a core formed of a base core and a cover core, and a conductive plate sandwiched between the base core and the cover core, as well as a conductive plate sandwiched between the base core and the cover core. The base core is composed of a Mn--Zn ferrite with a mean grain size of 5 .mu.m or less. The transformer has a small core loss at a high frequency band without a decrease in power transmission efficiency.
摘要翻译：本发明提供一种在高频率下具有小铁损的电感器。电感器包括具有由基底芯和覆盖芯构成的芯体的变压器，以及夹在基底芯和盖芯之间的导电板以及夹在基底芯和盖芯之间的导电板。基核由平均粒径为5μm以下的Mn-Zn铁氧体构成。变压器在高频带处具有小的磁芯损耗，而不会降低功率传输效率。

9. 发明授权

US06387548B1 Exchange coupling film and magnetoresistance effect type element using this exchange coupling film, and thin film magnetic head using the magnetoresistance effect type element 有权
标题翻译：使用该交换耦合膜的交换耦合膜和磁阻效应型元件，以及使用磁阻效应型元件的薄膜磁头
公开(公告)号：US06387548B1
公开(公告)日：2002-05-14
申请号：US09168775
申请日：1998-10-08
申请人： Naoya Hasegawa , Masamichi Saito , Kazuya Oominato , Yutaka Yamamoto , Akihiro Makino
发明人： Naoya Hasegawa , Masamichi Saito , Kazuya Oominato , Yutaka Yamamoto , Akihiro Makino
IPC分类号： G11B566
CPC分类号： B82Y25/00 , B82Y10/00 , G01R33/093 , G11B5/3903 , G11B5/3932 , G11B2005/3996 , H01F10/123 , H01F10/3268 , H01L43/10 , Y10S428/90 , Y10T428/1121
摘要： The antiferromagnetic layer 4 is formed of the X—Mn alloy (X is an platinum group element) and the interface structure of with the pinned magnetic layer 3 is made to be non-coherent by properly adjusting the composition ratio of X. Consequently, the crystal structure of the antiferromagnetic layer 4 is transformed so as to obtain a large exchange anisotropic magnetic field by subjecting the layer to a heat treatment, making it possible to improve the reproduction characteristic over the conventional art.
摘要翻译：反铁磁层4由X-Mn合金（X是铂族元素）形成，并且通过适当调整X的组成比，使被钉扎磁性层3的界面结构变得不相干。因此，通过使层进行热处理，反铁磁性层4的晶体结构被变换为获得大的交换各向异性磁场，从而可以提高现有技术的再生特性。

10. 发明授权

US06425961B1 Composite hard magnetic material and method for producing the same 失效
标题翻译：复合硬磁材料及其制造方法
公开(公告)号：US06425961B1
公开(公告)日：2002-07-30
申请号：US09312576
申请日：1999-05-14
申请人： Akinori Kojima , Akihiro Makino , Yutaka Yamamoto , Akihisa Inoue
发明人： Akinori Kojima , Akihiro Makino , Yutaka Yamamoto , Akihisa Inoue
IPC分类号： H01F1053
CPC分类号： B82Y25/00 , B22F1/0003 , B22F1/0044 , B22F2999/00 , C22C1/0441 , H01F1/0576 , H01F1/0579 , B22F9/002 , B22F3/10 , B22F9/007
摘要： The present invention provides a method for producing a composite hard magnetic material, wherein a composite powder—prepared by mixing; a composite hard magnetic material produced by consolidating a composite powder prepared by mixing an alloy powder having an amorphous phase containing a main component Co and at least Sm, and an alloy powder comprising an amorphous phase as a principal phase and containing at least Fe and/or Co, rare earth elements R and B; an alloy powder having an amorphous phase containing a main component Co and at least Sm; and an alloy powder having an amorphous phase containing at least Fe and/or Co, rare earth elements R and B—is consolidated by taking advantage of softening phenomenon caused by crystallization of the amorphous phase in the alloy powder comprising an amorphous phase as a principal phase.
摘要翻译：本发明提供一种复合硬磁性材料的制造方法，其中通过混合制备的复合粉末; 通过将通过混合具有含有主成分Co和至少Sm的非晶相的合金粉末制备的复合粉末和包含非晶相作为主相的合金粉末而制成的复合硬磁性材料，并且至少含有Fe和/ 或Co，稀土元素R和B; 具有含有主成分Co和至少Sm的非晶相的合金粉末; 并且具有至少包含Fe和/或Co的非晶相的稀土元素R和B的合金粉末通过利用由非晶相作为主要的合金粉末中的非晶相的结晶引起的软化现象而被固化相。

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