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    Powder material for rare earth-iron-boron based permanent magnets
    1.
    发明授权
    Powder material for rare earth-iron-boron based permanent magnets 失效
    稀土 - 铁硼永磁体用粉末材料

    公开(公告)号：US5281250A

    公开(公告)日：1994-01-25

    申请号：US838092

    申请日：1992-02-20

    申请人： Atsushi Hamamura ,  Katsumi Okayama ,  Yuji Kaneko ,  Yasuhiro Okajima ,  Kaname Takeya ,  Shuji Okada

    发明人： Atsushi Hamamura ,  Katsumi Okayama ,  Yuji Kaneko ,  Yasuhiro Okajima ,  Kaname Takeya ,  Shuji Okada

    IPC分类号： B22F1/00 ,  C22C38/00 ,  H01F1/057 ,  H01F1/06

    CPC分类号： H01F1/0573 ,  H01F1/0571

    摘要： A powder for producing permanent magnets, comprising a blend of powders [A] and [B] or [C] wherein:alloy powder [A] has an R.sub.2 Fe.sub.14 B phase and contains, in atomic percent, from 11 to 13% of at least one rare element, R, inclusive of Y, from 4 to 12% of B, and the balance Fe; or optionally, said powder has an R.sub.2 (Fe,Co).sub.14 B phase, an R.sub.2 (Fe,Ni).sub.14 B phase or an R.sub.2 (Fe,Co,Ni).sub.14 B phase, containing at least one selected from the group consisting of 10% or less of Co and 3% or less of Ni as a partially substitute for Fe;powder [B] is an intermetallic compound having an intermetallic compound phase of R with Fe or Co inclusive of an R.sub.3 Co phase (provided that Co may be partially substituted for by Fe), containing, in atomic percent, from 13 to 45% of at least one rare element, R, inclusive of Y, and the balance Co (provided that Co may be partially substituted for by Fe),powder [C] is an intermetallic compound having an intermetallic compound phase of R with Fe or Co inclusive of an R.sub.3 Co phase (provided that Co may be partially substituted for by Fe) and an R.sub.2 Fe.sub.14 B phase, containing, in atomic percent, from 13 to 45% of at least one rare element, R, inclusive of Y, 12% or less of B and the Co (provided that Co may be partially substituted for by Fe).

    摘要翻译： 一种用于制造永磁体的粉末，其包含粉末（A）和（B）或（C）的混合物，其中：合金粉末（A）具有R2Fe14B相，原子百分比含有11至13％的至少一种 稀有元素R，包括Y，B的4〜12％，余量为Fe; 或任选地，所述粉末具有R2（Fe，Co）14B相，R2（Fe，Ni）14B相或R2（Fe，Co，Ni）14B相，其含有选自10％ 以下的Co和3％以下的Ni作为Fe的部分替代物; 粉末（B）是具有与Fe或Co的金属间化合物相的金属间化合物，包括R3Co相（其中Co可以部分被Fe取代），原子百分比含有13〜45％的 至少一种稀有元素R（包括Y）和余量Co（条件是Co可以部分被Fe取代），粉末（C）是金属间化合物的金属间化合物，其中R与Fe或Co包括 R3Co相（其中Co可以被Fe部分取代）和R2Fe14B相，其中原子百分比含有13至45％的至少一种稀有元素R，包括Y，12％或更少的B和 Co（Co可以部分地被Fe代替）。

    Method for preparing organic-inorganic composite microcrystal
    2.
    发明授权
    Method for preparing organic-inorganic composite microcrystal 失效
    有机 - 无机复合微晶制备方法

    公开(公告)号：US07396560B2

    公开(公告)日：2008-07-08

    申请号：US10487093

    申请日：2002-03-18

    申请人： Hachiro Nakanishi ,  Hidetoshi Oikawa ,  Shuji Okada ,  Hitoshi Kasai

    发明人： Hachiro Nakanishi ,  Hidetoshi Oikawa ,  Shuji Okada ,  Hitoshi Kasai

    IPC分类号： B05D7/00 ,  C08F2/46 ,  C08J7/18

    CPC分类号： C30B7/00

    摘要： A method for preparation of inorganic fine particle-organic crystal hybrid fine particle comprising; pouring an organic material having π-conjugated bond as a water soluble solution into aqueous dispersion in which inorganic fine particles of 50 nm or less selected from the compound group consisting of metal fine particles, semi-conductor fine particles, fine particles of inorganic fluorescent material and fine particle of inorganic luminescent material, are dispersed, co-precipitating said inorganic fine particle which forms a core into said organic material which forms a shell in said dispersion and forming shell of fine crystal of said organic material on the surface of the core of said inorganic fine particles of 50 nm or less by controlling the size of said inorganic fine particle and by controlling the adding amount of said organic material.

    摘要翻译： 一种制备无机细颗粒 - 有机晶体杂化微粒的方法，包括： 将具有π-共轭键的有机材料作为水溶性溶液浇注到水分散体中，其中选自由金属微粒，半导体细颗粒，无机荧光材料的微粒组成的化合物组中的50nm或更小的无机细颗粒 和无机发光材料的微粒分散，将形成芯的无机细颗粒共沉淀到所述分散体中形成壳的所述有机材料中，并在所述芯的表面上形成所述有机材料的细晶的壳 通过控制所述无机细颗粒的尺寸并控制所述有机材料的添加量，所述无机细颗粒为50nm以下。

    Nickel powder and production method therefor
    3.
    发明授权
    Nickel powder and production method therefor 失效
    镍粉及其制备方法

    公开(公告)号：US07186289B2

    公开(公告)日：2007-03-06

    申请号：US10970849

    申请日：2004-10-19

    申请人： Toshihiro Kato ,  Shuji Okada ,  Shoji Futaki

    发明人： Toshihiro Kato ,  Shuji Okada ,  Shoji Futaki

    IPC分类号： B22F1/00 ,  C22B5/00 ,  H01B1/22

    CPC分类号： C22C1/0433 ,  B22F1/0096 ,  B22F9/24 ,  H01B1/22

    摘要： There is provided a nickel powder suitable as conductive particles for use in conductive paste and conductive resin, that is inexpensive, has superior weather resistance, low resistivity when kneaded with resin, and is stable when used in the long-term, and a production method therefor.A nickel powder is produced by a two stage reduction and precipitation process from an aqueous solution containing a bivalent nickel salt, wherein an average primary particle diameter is 0.2 μm to 2.0 μm as measured with a scanning electron microscope (SEM), wherein an average secondary particle diameter is 8 μm to 50 μm according to laser particle size distribution measurement, wherein a tap density is 0.5 g/ml to 2.0 g/ml, wherein a cobalt content is 1 to 20 weight %. The cobalt may be contained in only the surface layer of the nickel powder at a content of 1 weight % to 40 weight %.

    摘要翻译： 提供了适合作为导电性糊料和导电性树脂使用的导电性粒子的镍粉末，价格便宜，具有优异的耐候性，与树脂捏合时的低电阻率，长期使用时稳定，制造方法 因此。 通过二级还原沉淀法从含有二价镍盐的水溶液中制备镍粉，其中平均一次粒径为0.2μm至2.0μm，用扫描电子显微镜（SEM）测量，其中平均次级 根据激光粒度分布测定，粒径为8μm〜50μm，振实密度为0.5g / ml〜2.0g / ml，钴含量为1〜20重量％。 钴可以仅含有1重量％至40重量％的含量的镍粉表面层。

    Process for producing fine porous polyimide particle
    4.
    发明申请
    Process for producing fine porous polyimide particle 审中-公开
    微孔聚酰亚胺微粒的制造方法

    公开(公告)号：US20060039984A1

    公开(公告)日：2006-02-23

    申请号：US10537497

    申请日：2003-07-09

    申请人： Hachiro Nakanishi ,  Hitoshi Kasai ,  Hirohiko Miura ,  Hidetoshi Oikawa ,  Shuji Okada

    发明人： Hachiro Nakanishi ,  Hitoshi Kasai ,  Hirohiko Miura ,  Hidetoshi Oikawa ,  Shuji Okada

    IPC分类号： A61K9/14 ,  B29B9/00

    CPC分类号： C08J9/28 ,  C08J2201/0543 ,  C08J2201/0546 ,  C08J2379/08 ,  C08L79/08

    摘要： A method for preparation of porous polyimide microparticles comprising, forming polyamide acid microparticles by pouring polymer solution prepared by dissolving polyamide acid containing 0.5 to 80 weight % of alkali metal salt to polyamide acid by 0.1 to 15 weight % concentration into a poor solvent selected from the group consisting of aliphatic solvents, alicyclic solvents, aromatic solvents, CS2 and mixture of two or more these solvents and the temperature of which is adjusted to the range from −20° C. to 60° C., wherein particle size of said polyamide acid microparticles is adjusted to 50 nm to 10000 nm by controlling the temperature of said poor solvent, pore size of said polyamide acid microparticles is adjusted to the range from 20 nm to 500 nm and porosity of said polyamide acid microparticles is adjusted to the range from 0.1% to 30% by controlling a content or a kind of said alkali metal salt, then treating said polyamide acid microparticles by chemical imidation or thermal imidation, or by thermal imidation after chemical imidation so that the particle size distribution, pore size and porosity of said polyamide acid microparticles can be maintained.

    摘要翻译： 一种多孔聚酰亚胺微粒的制备方法，其特征在于，包括：将聚合物溶液倒入聚酰胺酸性微粒中形成聚酰胺酸微粒，所述聚合物溶液是将含有0.5〜80重量％的碱金属盐的聚酰胺酸溶解在0.1〜15重量％浓度的聚酰胺酸中， 由脂族溶剂，脂环族溶剂，芳族溶剂，CS 2和两种或更多种这些溶剂的混合物组成的组，其温度调节至-20℃至60℃。 通过控制所述不良溶剂的温度将所述聚酰胺酸微粒的粒径调整为50nm〜10000nm，将所述聚酰胺酸微粒的孔径调整为20nm〜500nm，将所述聚酰胺酸的孔隙率 通过控制所述碱金属盐的含量或种类将微粒调节至0.1％至30％的范围，然后通过化学酰亚胺化处理所述聚酰胺酸微粒 或热酰亚胺化，或通过化学酰亚胺化后的热酰亚胺化，使得可以维持所述聚酰胺酸微粒的粒度分布，孔径和孔隙率。

    Method using x-rays to determine thickness of organic films
    7.
    发明授权
    Method using x-rays to determine thickness of organic films 失效
    使用X射线来确定有机膜的厚度的方法

    公开(公告)号：US5003569A

    公开(公告)日：1991-03-26

    申请号：US493322

    申请日：1990-03-14

    申请人： Shuji Okada ,  Hiro Matsuda ,  Hachiro Nakanishi ,  Masao Kato

    发明人： Shuji Okada ,  Hiro Matsuda ,  Hachiro Nakanishi ,  Masao Kato

    IPC分类号： G01B15/02

    CPC分类号： G01B15/02

    摘要： A thickness determination method for organic films comprises the steps of: irradiating an organic film to be measured with x-rays at a certain angle of incidence, finding an angle of reflection at which the x-ray intensity reaches a peak, and finding the thickness of the film from the angle of this peak.

    摘要翻译： 有机膜的厚度测定方法包括以下步骤：用X射线以一定的入射角度照射被测量的有机膜，求出X射线强度达到峰值的反射角度，求出厚度 的电影从这个峰的角度。

    Nickel powder and production method therefor
    10.
    发明申请
    Nickel powder and production method therefor 失效
    镍粉及其制备方法

    公开(公告)号：US20050072270A1

    公开(公告)日：2005-04-07

    申请号：US10970849

    申请日：2004-10-19

    申请人： Toshihiro Kato ,  Shuji Okada ,  Shoji Futaki

    发明人： Toshihiro Kato ,  Shuji Okada ,  Shoji Futaki

    IPC分类号： B22F1/00 ,  B22F9/24 ,  C22C1/04 ,  H01B1/22

    CPC分类号： C22C1/0433 ,  B22F1/0096 ,  B22F9/24 ,  H01B1/22

    摘要： There is provided a nickel powder suitable as conductive particles for use in conductive paste and conductive resin, that is inexpensive, has superior weather resistance, low resistivity when kneaded with resin, and is stable when used in the long-term, and a production method therefor. A nickel powder is produced by a two stage reduction and precipitation process from an aqueous solution containing a bivalent nickel salt, wherein an average primary particle diameter is 0.2 μm to 2.0 μm as measured with a scanning electron microscope (SEM), wherein an average secondary particle diameter is 8 μm to 50 μm according to laser particle size distribution measurement, wherein a tap density is 0.5 g/ml to 2.0 g/ml, wherein a cobalt content is 1 to 20 weight %. The cobalt may be contained in only the surface layer of the nickel powder at a content of 1 weight % to 40 weight %.

    摘要翻译： 提供了适合作为导电性糊料和导电性树脂使用的导电性粒子的镍粉末，价格便宜，具有优异的耐候性，与树脂捏合时的低电阻率，长期使用时稳定，制造方法 因此。 通过二级还原沉淀法从含有二价镍盐的水溶液中制备镍粉，其中平均一次粒径为0.2μm至2.0μm，用扫描电子显微镜（SEM）测量，其中平均次级 根据激光粒度分布测定，粒径为8μm〜50μm，振实密度为0.5g / ml〜2.0g / ml，钴含量为1〜20重量％。 钴可以仅含有1重量％至40重量％的含量的镍粉表面层。