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20 条记录 (耗时 0.023 秒)

    Method and apparatus for producing magnetic recording medium
    6.
    发明授权
    Method and apparatus for producing magnetic recording medium 失效
    制造磁记录介质的方法和装置

    公开(公告)号：US5447748A

    公开(公告)日：1995-09-05

    申请号：US299102

    申请日：1994-09-02

    申请人： Noriyuki Kitaori ,  Osamu Yoshida ,  Hirohide Mizunoya ,  Akira Shiga

    发明人： Noriyuki Kitaori ,  Osamu Yoshida ,  Hirohide Mizunoya ,  Akira Shiga

    IPC分类号： C23C14/56 ,  G11B5/84 ,  G11B5/85 ,  H01F10/08

    CPC分类号： C23C14/562 ,  G11B5/84 ,  G11B5/8404 ,  G11B5/8408 ,  G11B5/85

    摘要： There is provided an apparatus for producing a magnetic recording medium which enables a good-quality magnetic recording medium to be produced with an improved production efficiency. This apparatus comprises a back-coat layer-coating vacuum chamber, a magnetic layer-coating vacuum chamber, a lubricant layer-coating vacuum chamber and a slitting vacuum chamber provided in a housing under vacuum, wherein the back-coat layer-coating vacuum chamber includes a melting pot disposed under a substrate and containing a metal, an electron beam-emitting device, and a guiding roller for reversing the surfaces of the substrate; the magnetic layer-coating vacuum chamber includes a melting pot disposed under the substrate and containing a magnetic substance, an electron beam-emitting device, and an oxidizing gas introduction means; the lubricant layer-coating vacuum chamber includes a lubricant-providing means disposed under the substrate; and the slitting vacuum chamber includes a winding means, a slitter, and an oxidizing gas-providing means.

    摘要翻译： 提供了一种用于制造磁记录介质的装置，其能够以提高的生产效率制造出优质磁记录介质。 该设备包括背涂层涂层真空室，磁性层涂覆真空室，润滑剂层涂覆真空室和在真空下设置在壳体中的分切真空室，其中后涂层涂覆真空室 包括设置在基板下方并包含金属，电子束发射装置和用于使基板的表面反转的引导辊的熔炉; 磁性层涂覆真空室包括设置在基板下方并包含磁性物质，电子束发射装置和氧化气体引入装置的熔化锅; 润滑剂层涂覆真空室包括设置在基板下方的润滑剂供给装置; 并且分切真空室包括卷绕装置，分切机和氧化气体提供装置。

    Magnetic recording medium
    7.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号：US5817429A

    公开(公告)日：1998-10-06

    申请号：US754165

    申请日：1996-11-22

    申请人： Junko Ishikawa ,  Noriyuki Kitaori ,  Osamu Yoshida ,  Katsumi Sasaki ,  Katsumi Endo

    发明人： Junko Ishikawa ,  Noriyuki Kitaori ,  Osamu Yoshida ,  Katsumi Sasaki ,  Katsumi Endo

    IPC分类号： C23C14/06 ,  G11B5/64 ,  G11B5/65 ,  G11B5/66 ,  H01F10/14

    CPC分类号： G11B5/65 ,  G11B5/653 ,  Y10S428/90 ,  Y10T428/12458 ,  Y10T428/265

    摘要： A magnetic recording medium comprising a substrate and a magnetic layer, wherein the magnetic layer is an Fe--N--O magnetic layer, and a distribution of N density in a depth direction of said Fe--N--O magnetic layer has a maximum value N1 in an intermediate layer section of said Fe--N--O magnetic layer, and the maximum value N1 ranges from 20 to 50 at. %, and an area where a density value is equal to or more than half of said maximum value N1 ranges from 100 to 500 .ANG. in a depth direction of said Fe--N--O magnetic layer. The magnetic recording medium has an excellent C/N.

    摘要翻译： 一种包括基板和磁性层的磁记录介质，其中所述磁性层是Fe-NO磁性层，并且在所述Fe-NO磁性层的深度方向上的N密度分布在中间层中具有最大值N1 所述Fe-NO磁性层的截面，最大值N1为20〜50at。 ％，并且密度值等于或大于所述最大值N1的一半的面积在所述Fe-N-O磁性层的深度方向上为100至500埃。 磁记录介质具有优异的C / N。

    System for magnetic contact duplication
    8.
    发明授权
    System for magnetic contact duplication 失效
    磁接触复制系统

    公开(公告)号：US5796533A

    公开(公告)日：1998-08-18

    申请号：US404444

    申请日：1995-03-15

    申请人： Noriyuki Kitaori ,  Osamu Yoshida ,  Hirohide Mizunoya ,  Shigemi Wakabayashi ,  Akira Shiga

    发明人： Noriyuki Kitaori ,  Osamu Yoshida ,  Hirohide Mizunoya ,  Shigemi Wakabayashi ,  Akira Shiga

    IPC分类号： G11B5/86

    CPC分类号： G11B5/865

    摘要： A system for magnetic contact duplication by transferring an information signal recorded on a mother tape onto a blank tape, wherein the mother tape and the blank tape each includes at least one magnetic thin film having columns of magnetic grains grown obliquely, the column gradient .theta..sub.B1 of the magnetic grains in an uppermost magnetic thin film of the blank tape being smaller than the column gradient .theta..sub.M1 of the magnetic grains in an uppermost magnetic thin film of the mother tape, the mother tape and blank tape are superposed such that the column growth direction of the magnetic grains in the uppermost magnetic thin film of the mother tape and the column growth direction of the magnetic grains in the uppermost magnetic thin film of the blank tape intersect and such that these uppermost magnetic films face each other, and a bias magnetic field is applied from the substrate side of the blank tape.

    摘要翻译： 一种通过将记录在母带上的信息信号传送到空白带上的磁接触复制系统，其中母带和空白带各自包括至少一个磁性薄膜，磁性薄膜具有倾斜生长的磁性晶粒柱，柱梯度θB1 在坯带的最上面的磁性薄膜中的磁性颗粒小于母带的最上面的磁性薄膜中的磁性颗粒的柱梯度θM1，母带和空白带重叠，使得柱生长 母带的最上面的磁性薄膜中的磁性颗粒的方向和坯料带的最上面的磁性薄膜中的磁性颗粒的柱生长方向相交，使得这些最上面的磁性薄膜彼此面对，并且偏置磁性 从空白带的基板侧施加磁场。

    Magnetic recording medium
    10.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号：US5885724A

    公开(公告)日：1999-03-23

    申请号：US696790

    申请日：1996-08-14

    申请人： Osamu Yoshida ,  Katsumi Endo ,  Noriyuki Kitaori ,  Katsumi Sasaki ,  Junko Ishikawa

    发明人： Osamu Yoshida ,  Katsumi Endo ,  Noriyuki Kitaori ,  Katsumi Sasaki ,  Junko Ishikawa

    IPC分类号： G11B5/66 ,  G11B5/64 ,  G11B5/65

    CPC分类号： G11B5/653 ,  Y10S428/90

    摘要： The present invention is a magnetic recording medium comprising a substrate and a magnetic layer, wherein said magnetic layer is coated on said substrate, said magnetic layer is an Fe--N--O magnetic layer, each of Fe content F.sub.1, N content N.sub.1 and O content O.sub.1 contained in said Fe--N--O magnetic layer satisfies respective requirements F.sub.1 =50-80 at. %, N.sub.1 =9-25 at. %, O.sub.1 =11-36 at. % and N.sub.1

    摘要翻译： 本发明是一种包括基板和磁性层的磁记录介质，其中所述磁性层涂覆在所述基板上，所述磁性层是Fe-NO磁性层，Fe含量为F1，N含量为N 1，O含量为O 1 所述Fe-NO磁性层中所含的含量满足F1 = 50-80at。 ％，N1 = 9-25 at。 ％，O1 = 11-36 at。 ％和N1