ELECTROMAGNETIC INTERFERENCE SUPPRESSOR
    91.
    发明申请
    ELECTROMAGNETIC INTERFERENCE SUPPRESSOR 审中-公开
    电磁干扰抑制器

    公开(公告)号:US20150334883A1

    公开(公告)日:2015-11-19

    申请号:US14653116

    申请日:2013-12-17

    Inventor: Kazumi YAMAMOTO

    Abstract: The present invention relates to an electromagnetic interference suppression sheet comprising a conductive layer comprising a conductive metal filler and having a surface electrical resistance of 100 to 5000 Ω/□, and a magnetic layer comprising a magnetic material mixed therein and having a real part μ′ of a magnetic permeability of 3 to 45 as measured at 100 MHz which is laminated on the conductive layer. The electromagnetic interference suppression sheet of the present invention is suitable for high-density packaging of electronic devices, and has an excellent low-pass filter characteristic in a near electromagnetic field in a wide frequency band ranging from a low frequency to a high frequency.

    Abstract translation: 电磁干扰抑制片本发明涉及一种电磁干扰抑制片,其包含导电层,该导电层包括导电金属填料,表面电阻为100〜5000Ω,磁性层包含混合在其中的磁性材料, 在层压在导电层上的在100MHz下测得的导磁率为3至45的磁导率。 本发明的电磁干扰抑制片适用于电子器件的高密度封装,并且在从低频到高频的宽频带中的近电磁场中具有优异的低通滤波器特性。

    PROCESS FOR PRODUCING FERROMAGNETIC IRON NITRIDE PARTICLES, ANISOTROPIC MAGNET, BONDED MAGNET AND COMPACTED MAGNET
    94.
    发明申请
    PROCESS FOR PRODUCING FERROMAGNETIC IRON NITRIDE PARTICLES, ANISOTROPIC MAGNET, BONDED MAGNET AND COMPACTED MAGNET 审中-公开
    生产铁素体氮化物颗粒,非均质磁铁,粘结磁体和压电磁铁的方法

    公开(公告)号:US20140294657A1

    公开(公告)日:2014-10-02

    申请号:US14346338

    申请日:2012-09-20

    CPC classification number: H01F1/24 B22F1/02 C22C1/02 H01F1/065 H01F1/083

    Abstract: The present invention provides ferromagnetic iron nitride particles, in particular, in the form of fine particles, and a process for producing the ferromagnetic iron nitride particles. The present invention relates to a process for producing ferromagnetic iron nitride particles, comprising the steps of mixing metallic iron obtained by mixing at least one compound selected from the group consisting of a metal hydride, a metal halide and a metal borohydride with an iron compound, and then subjecting the obtained mixture to heat treatment, with a nitrogen-containing compound; and then subjecting the resulting mixture to heat treatment, in which a reduction step and a nitridation step of the iron compound are conducted in the same step, and the at least one compound selected from the group consisting of a metal hydride, a metal halide and a metal borohydride is used as a reducing agent in the reduction step, whereas the nitrogen-containing compound is used as a nitrogen source in the nitridation step.

    Abstract translation: 本发明提供了特别是细颗粒形式的铁磁性氮化铁颗粒,以及制备铁磁性氮化铁颗粒的方法。 本发明涉及一种制备铁磁性氮化铁颗粒的方法,包括以下步骤:将通过将选自金属氢化物,金属卤化物和金属硼氢化物的至少一种化合物与铁化合物混合而获得的金属铁, 然后用含氮化合物对所得混合物进行热处理; 然后对所得混合物进行热处理,其中在相同步骤中进行铁化合物的还原步骤和氮化步骤,并且将至少一种选自金属氢化物,金属卤化物和 在还原步骤中使用金属硼氢化物作为还原剂,而在氮化步骤中使用含氮化合物作为氮源。

    R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE R-T-B-BASED RARE EARTH MAGNET PARTICLES, AND BONDED MAGNET
    95.
    发明申请
    R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE R-T-B-BASED RARE EARTH MAGNET PARTICLES, AND BONDED MAGNET 审中-公开
    基于R-T-B的稀土磁体颗粒,用于生产基于R-T-B的稀土磁体颗粒和粘结磁体的方法

    公开(公告)号:US20140266525A1

    公开(公告)日:2014-09-18

    申请号:US14205894

    申请日:2014-03-12

    Abstract: An object of the present invention is to enhance a coercive force of magnetic particles by promoting formation of a continuous R-rich grain boundary phase in a crystal grain boundary of a magnetic phase of the particles, and to thereby obtain R-T-B-based rare earth magnet particles further having a high residual magnetic flux density. The present invention relates to production of R-T-B-based rare earth magnet particles capable of exhibiting a high coercive force even when a content of Al therein is reduced, and a high residual magnetic flux density, in which formation of an R-rich grain boundary phase therein can be promoted by heat-treating Al-containing R-T-B-based rare earth magnet particles obtained by HDDR treatment in vacuum or in an Ar atmosphere at a temperature of not lower than 670° C. and not higher than 820° C. for a period of not less than 30 min and not more than 300 min.

    Abstract translation: 本发明的目的是通过促进在粒子的磁性相的晶界中形成连续的富R相的晶界而提高磁性粒子的矫顽力,由此得到RTB系稀土类磁铁 颗粒进一步具有高剩余磁通密度。 本发明涉及即使当其中Al含量降低时也能表现出高矫顽力的RTB型稀土磁体颗粒的生产和高残余磁通密度,其中形成富R晶界相 可以通过在真空中或在Ar气氛中在不低于670℃且不高于820℃的温度下热处理由HDDR处理获得的含有Al的RTB基稀土磁体颗粒来促进其中的 时间不少于30分钟,不超过300分钟。

    METHOD OF PRODUCING AMORPHOUS CARBON MATERIAL FOR THE NEGATIVE ELECTRODE OF LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY
    96.
    发明申请
    METHOD OF PRODUCING AMORPHOUS CARBON MATERIAL FOR THE NEGATIVE ELECTRODE OF LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY 有权
    生产锂离子二次电池负极的异质碳材料的方法和锂离子二次电池

    公开(公告)号:US20140161713A2

    公开(公告)日:2014-06-12

    申请号:US13896825

    申请日:2013-05-17

    Abstract: An amorphous carbon material for lithium-ion secondary battery negative electrode is capable of reducing capacity degradation due to repeated charge and discharge cycles, storage while being charged, or floating charge.A method for producing an amorphous carbon material for a negative electrode of a lithium-ion secondary battery includes the steps of: pulverizing and classifying a raw coke composition obtained from a heavy-oil composition undergone coking by delayed coking process to obtain powder of the raw coke composition, the raw coke composition having a H/C atomic ratio that is a ratio of hydrogen atoms H and carbon atoms C of 0.30 to 0.50 and having a micro-strength of 7 to 17 mass %; giving compressive stress and shear stress to the powder of the raw coke composition to obtain a carbonized composition precursor; and heating the carbonized composition precursor under an inert atmosphere at a temperature from 900° C. to 1,500° C. so that a size of a crystallite Lc(002) is in a range of 2 nm to 8 nm, the size being calculated from a (002) diffraction line obtained by X-ray wide-angle diffractometry.

    Abstract translation: 用于锂离子二次电池负极的无定形碳材料能够减少由于重复的充放电循环而导致的电容劣化,同时被充电时的存储或浮置电荷。 一种锂离子二次电池的负极用无定形碳材料的制造方法,其特征在于,将通过延迟焦化工序进行焦化的重油成分得到的原料焦炭组合物粉碎分级,得到原料 焦炭组合物,原料焦炭组成为H / C原子比,其氢原子H和碳原子数C之比为0.30〜0.50,微细强度为7〜17质量%。 对原料焦炭组合物的粉末赋予压应力和剪切应力以获得碳化组合物前体; 并在惰性气氛下,在900℃至1500℃的温度下加热碳化组合物前体,使得微晶Lc(002)的尺寸在2nm至8nm的范围内,其尺寸由 通过X射线广角衍射法获得的(002)衍射线。

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