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    Ultrasonic cleaning apparatus and ultrasonic cleaning method
    2.
    发明授权
    Ultrasonic cleaning apparatus and ultrasonic cleaning method 失效
    超声波清洗设备和超声波清洗方法

    公开(公告)号：US06630768B2

    公开(公告)日：2003-10-07

    申请号：US09964441

    申请日：2001-09-28

    申请人： Takahisa Yamashiro ,  Noriyuki Kitaori ,  Kiyoteru Osawa ,  Masayasu Sato

    发明人： Takahisa Yamashiro ,  Noriyuki Kitaori ,  Kiyoteru Osawa ,  Masayasu Sato

    IPC分类号： H01L4109

    CPC分类号： B06B1/0253 ,  B08B3/12 ,  B08B7/028 ,  D06F19/00

    摘要： An ultrasonic cleaning apparatus comprises: a power amplifier for amplifying an amplitude of a signal to supply the signal as power to the ultrasonic oscillator; a phase comparator for obtaining a difference between a phase of a current flowing through the ultrasonic oscillator and a phase of a voltage applied to the ultrasonic oscillator and for generating a voltage in accordance with the phase difference; and a voltage control oscillation device for generating a frequency of the signal in accordance with the voltage generated by the phase comparator and for controlling the frequency so that the phase difference is kept within ±30°, wherein the power supplied to the ultrasonic oscillator is regulated to a range from 1W to 10W, and a difference between a resonance frequency of the ultrasonic oscillator and an anti-resonance frequency thereof is regulated to 1 kHz or more.

    摘要翻译： 一种超声波清洗装置，包括：功率放大器，用于放大信号的幅度，以将该信号作为功率提供给超声波振荡器; 相位比较器，用于获得流过超声波振荡器的电流的相位与施加到超声波振荡器的电压的相位之差，并根据相位差产生电压; 以及电压控制振荡装置，用于根据相位比较器产生的电压产生信号的频率，并用于控制频率使得相位差保持在±30°内，其中提供给超声波振荡器的功率被调节 在1W〜10W的范围内，将超声波振荡器的共振频率与其反共振频率之间的差设为1kHz以上。

    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
    8.
    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
    9.
    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。