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    Magnetic powder, method for producing the same and use of the same
    1.
    发明授权
    Magnetic powder, method for producing the same and use of the same 失效
    磁粉，其制造方法及其用途

    公开(公告)号：US5648160A

    公开(公告)日：1997-07-15

    申请号：US557174

    申请日：1996-03-14

    申请人： Mikio Kishimoto ,  Shinichi Kitahata ,  Hisao Kanzaki ,  Noriaki Ohtani ,  Toshinobu Sueyoshi

    发明人： Mikio Kishimoto ,  Shinichi Kitahata ,  Hisao Kanzaki ,  Noriaki Ohtani ,  Toshinobu Sueyoshi

    IPC分类号： G06K19/02 ,  G11B5/706 ,  G11B5/716 ,  H01F1/047 ,  H01F1/06

    CPC分类号： H01F1/047 ,  G06K19/02 ,  G11B5/70605 ,  G11B5/70626 ,  G11B5/716 ,  H01F1/06 ,  H01F1/061 ,  Y10S283/904 ,  Y10S428/90 ,  Y10T428/256 ,  Y10T428/265 ,  Y10T428/2991 ,  Y10T428/2993

    摘要： A magnetic powder containing MnBi, in which an average particle size of the magnetic powder is from 0.1 .mu.m to 20 .mu.m; a coercive force is from 3000 to 15,000 Oe at 300 K. and 50 to 1000 Oe at 80 K. when measured with applying a magnetic field of 16 KOe; an amount of magnetization is from 20 emu/g to 60 emu/g when measured at 300 K. with applying a magnetic field of 16 KOe; a degree of decrease of an amount of magnetization is 40% or less after being maintained in an atmosphere of 60.degree. C. and 90% RH for 7 days; and a content of metal bismuth (Bi) satisfies the following equation: Metal Bi/(MnBi+metal Bi)

    摘要翻译： PCT No.PCT / JP95 / 00731 Sec。 371日期：1996年3月14日 102（e）1996年3月14日PCT PCT 1995年4月14日PCT公布。 WO95 / 28718 PCT公开号 日期：1995年10月26日磁体粉末的平均粒径为0.1μm〜20μm的含有MnBi的磁性粉末; 当采用16KOe的磁场测量时，矫顽力在300K时为3000至15,000Oe，在80K时为50至1000Oe; 当在300K下测量时，磁化强度为20emu / g至60emu / g，施加16KOe的磁场; 在60℃和90％RH的气氛中保持7天后，磁化强度的降低程度为40％以下。 金属铋（Bi）的含量满足下式：金属Bi /（MnBi +金属Bi）<0.5，其中“金属Bi”是指在X射线衍射图中分配给（012）面的峰面积 Bi，MnBi表示在MnBi的X射线衍射图中分配给（101）面的峰面积，该磁粉具有优异的耐腐蚀性，并且饱和磁化强度非常小，并且具有磁性 可以防止记录数据改变的记录介质。

    Method for production of metal magnetic particles
    2.
    发明授权
    Method for production of metal magnetic particles 失效
    金属磁性颗粒的生产方法

    公开(公告)号：US4400337A

    公开(公告)日：1983-08-23

    申请号：US337149

    申请日：1982-01-05

    申请人： Yukihiro Hayashi ,  Toshinobu Sueyoshi ,  Shigeo Hirai ,  Mikio Kishimoto ,  Katsunori Tashita ,  Masahiro Amemiya

    发明人： Yukihiro Hayashi ,  Toshinobu Sueyoshi ,  Shigeo Hirai ,  Mikio Kishimoto ,  Katsunori Tashita ,  Masahiro Amemiya

    IPC分类号： H01F1/06 ,  C04B15/14

    CPC分类号： H01F1/065 ,  H01F1/061

    摘要： A method for the production of uniform acicular metal magnetic particles comprising predominantly iron which have excellent magnetic characteristics and are useful as a recording element for a magnetic recording medium, said method comprising the steps of coating the surface of metal compound particles containing predominantly acicular iron oxyhydroxide or iron oxides with at least one member selected from the group consisting of an aluminum compound and a silicon compound, pelletizing the coated particles, and reducing the pellets with heating under reducing atmosphere, e.g. under hydrogen stream.

    摘要翻译： 一种生产均匀的针状金属磁性颗粒的方法，其主要是铁，其具有优异的磁特性并且可用作磁记录介质的记录元件，所述方法包括以下步骤：涂覆主要为针状羟基氧化铁的金属化合物颗粒的表面 或具有选自铝化合物和硅化合物中的至少一种的氧化铁，造粒涂覆颗粒，并在还原气氛下加热还原颗粒，例如 在氢气流下。

    Acicular alloy magnetic powder
    3.
    发明授权
    Acicular alloy magnetic powder 失效
    针状合金磁粉

    公开(公告)号：US5260132A

    公开(公告)日：1993-11-09

    申请号：US701059

    申请日：1991-05-16

    申请人： Tetuya Nakazumi ,  Mikio Kishimoto ,  Toshinobu Sueyoshi ,  Seigi Kawarai

    发明人： Tetuya Nakazumi ,  Mikio Kishimoto ,  Toshinobu Sueyoshi ,  Seigi Kawarai

    IPC分类号： B32B1/00 ,  G11B5/00

    CPC分类号： B32B1/00 ,  G11B5/00 ,  Y10S428/90 ,  Y10T428/2991

    摘要： An acicular alloy base magnetic powder comprising iron and cobalt, which has an average particle long axis size of not larger than 0.25 .mu.m, an axial ratio of from 4 to 8, a cobalt content of from 8 to 50% by weight based on the weight of iron and saturation magnetization of at least 120 emu/g after being kept standing at the temperature of 60.degree. C. and relative humidity of 90% for a week, which has improved corrosion resistance and can provide a magnetic recording medium suitable for recording in the short wavelength range.

    摘要翻译： 包含铁和钴的针状合金基磁性粉末，其平均粒子长轴尺寸不大于0.25μm，轴向比为4至8，钴含量为8至50重量％，基于 在60℃的温度和90％的相对湿度下保持静置一周之后，铁和饱和磁化强度至少为120emu / g，这具有改善的耐腐蚀性，并且可以提供适合于记录的磁记录介质 在短波长范围内。

    Magnetic recording medium
    6.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号：US4770933A

    公开(公告)日：1988-09-13

    申请号：US142685

    申请日：1988-01-11

    申请人： Shinichi Kitahata ,  Mikio Kishimoto

    发明人： Shinichi Kitahata ,  Mikio Kishimoto

    IPC分类号： C09D5/23 ,  C09D7/12 ,  G11B5/706 ,  G11B5/70

    CPC分类号： G11B5/70678 ,  Y10S428/90 ,  Y10T428/25 ,  Y10T428/2982

    摘要： A magnetic recording medium which comprises a substrate and a magnetic layer comprising hexagonal system ferrite powder of the formula:AO.multidot.n{[Fe.sub.1-(x+y) .multidot.M.sup.2+.sub.x .multidot.M.sup.4+.sub.y ].sub.2 O.sub.3 } (I)wherein,A is at least one metal selected from the group consisting of Ba, Sr, Pb and Ca,M.sup.2+ is at least one divalent metal ion selected from the group consisting of Mn, Co, Ni, Cu, Zn and Mg,M.sup.4+ is at least one tetravalent metal ion selected from the group consisting of Ti, Zr, Sn, Ge, V and Nb,n is a number of 3 to 8,x and y are such numbers that x+y is from 0.02 to 0.3 and x/y is from 0.2 to 0.8.,and which has a temperature dependency such that the coercive force of the magnetic layer is at a minimum in the temperature range of -20.degree. to 50.degree. C. and has a higher coercive force outside said temperature rangehas good storage property.

    摘要翻译： 一种磁记录介质，包括基底和磁性层，所述磁性层包含以下结构的六方晶系铁氧体粉末：AOxn {[Fe1-（x + y）xM2 + xxM4 + y] 2O3}（I）其中，A为至少一种金属 选自由Ba，Sr，Pb和Ca组成的组，M2 +为选自Mn，Co，Ni，Cu，Zn和Mg中的至少一种二价金属离子，M4 +为选自以下的四价金属离子 由Ti，Zr，Sn，Ge，V和Nb组成的组，n为3〜8的数，x和y为x + y为0.02〜0.3，x / y为0.2〜0.8的数。 并且具有温度依赖性，使得磁性层的矫顽力在-20℃至50℃的温度范围内处于最小值，并且在所述温度范围外具有较高的矫顽力具有良好的储存性能。

    Magnetic recording medium
    8.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号：US4705718A

    公开(公告)日：1987-11-10

    申请号：US802386

    申请日：1985-11-27

    申请人： Shinichi Kitahata ,  Mikio Kishimoto

    发明人： Shinichi Kitahata ,  Mikio Kishimoto

    IPC分类号： C01G49/00 ,  C09D5/23 ,  C09D7/12 ,  G11B5/706 ,  H01F1/10 ,  G11B5/70

    CPC分类号： G11B5/70678 ,  Y10S428/90 ,  Y10T428/25

    摘要： A magnetic recording medium suitable for high density recording comprising a substrate and a magnetic layer wherein the magnetic layer comprises a binder resin and ferrite magnetic powder comprising hexagonal system plate particles having such magnetic anisotropy that a magnetic anisotropy constant K.sub.1 corresponding to the vertical magnetic component and a magnetic anisotropy constant K.sub.2 corresponding to the horizontal magnetic component, both derived from Fourier analysis of a magnetic torque curve measured in a plane including the C axis of the hexagonal system, satisfy following equations:0.5 0,The magnetic recording medium is suitable for use in high density recording.

    摘要翻译： 一种适用于高密度记录的磁记录介质，包括基底和磁性层，其中磁性层包括粘合剂树脂和铁氧体磁性粉末，其包含具有这样的磁各向异性的六方晶系板状颗粒，即与垂直磁性成分对应的磁各向异性常数K1和 对应于水平磁分量的磁各向异性常数K2都是从包含六边形系统的C轴的平面中测得的磁力矩曲线的傅里叶分析得出的满足下列等式：0.5 0 磁记录介质适用于高密度记录。

    Functional infrared fluorescent particle
    9.
    发明申请
    Functional infrared fluorescent particle 失效
    功能红外荧光颗粒

    公开(公告)号：US20070161786A1

    公开(公告)日：2007-07-12

    申请号：US11633504

    申请日：2006-12-05

    申请人： Masakazu Mitsunaga ,  Naoki Usuki ,  Kenji Kohno ,  Hisao Kanzaki ,  Mikio Kishimoto

    发明人： Masakazu Mitsunaga ,  Naoki Usuki ,  Kenji Kohno ,  Hisao Kanzaki ,  Mikio Kishimoto

    IPC分类号： B32B1/00 ,  G09B19/00 ,  C07F5/00 ,  B32B5/16

    CPC分类号： C09K11/7777 ,  G01N33/582 ,  G01N33/585 ,  Y10S977/773 ,  Y10S977/811 ,  Y10T428/2982 ,  Y10T428/2991 ,  Y10T428/2993

    摘要： An infrared fluorescent particle comprising a functional group or a substance that is capable of binding to an analyte, wherein fluorescence at infrared wavelength is emitted from the particle upon exposure of the particle to excitation light at infrared wavelength. The infrared fluorescent particle of the present invention is capable of binding to the analyte. Due to a high penetration of the fluorescence and the excitation light into biological substances; the infrared fluorescent particle of the present invention can reduce an influence of luminescence, light absorption or light scattering which is occurred due to the analyte and the surrounding substances.

    摘要翻译： 一种包含能够结合分析物的官能团或物质的红外荧光颗粒，其中在将颗粒暴露于红外波长的激发光时，从颗粒发射红外波长的荧光。 本发明的红外线荧光颗粒能够与分析物结合。 由于荧光和激发光的高度渗透进入生物物质; 本发明的红外线荧光体颗粒可以减少由分析物和周围物质引起的发光，光吸收或光散射的影响。