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1. 发明授权

US06646820B1 Method for recording magnetic recording medium 失效
标题翻译：记录磁记录介质的方法
公开(公告)号：US06646820B1
公开(公告)日：2003-11-11
申请号：US09869947
申请日：2001-07-03
申请人： Tatsuaki Ishida , Taizou Hamada , Hideyuki Hashi , Keizo Miyata , Yasuaki Ban , Hiromi Kita
发明人： Tatsuaki Ishida , Taizou Hamada , Hideyuki Hashi , Keizo Miyata , Yasuaki Ban , Hiromi Kita
IPC分类号： G11B586
CPC分类号： G11B5/865 , G11B5/127 , G11B5/23 , G11B5/82
摘要： A master information carrier (2) with an arranged pattern formed of a ferromagnetic film in a shape corresponding to information signals is superposed on a magnetic recording medium (1) and the arranged pattern formed of a ferromagnetic film is magnetized with a magnetizing head (6), thus transfer-recording the arranged pattern into the magnetic recording medium as a magnetized pattern. The magnetizing head includes an annular magnetic circuit with a gap, and a strength of a magnetic field applied to the master information carrier by magnetic flux leaking from portions other than the gap is set to be 20% or less of that of a magnetic field applied to the master information carrier by magnetic flux leaking from the gap. Quality deterioration due to various conditions during recording can be prevented and uniform recording with less variation depending on position on the magnetic recording medium is achieved.
摘要翻译：具有与信息信号相对应的铁磁膜形成的排列图案的主信息载体（2）叠加在磁记录介质（1）上，由铁磁膜形成的排列图案被磁化头（6 ），从而将布置的图案作为磁化图案转印记录到磁记录介质中。磁化头包括具有间隙的环形磁路，并且通过从除了间隙之外的部分泄漏的磁通量施加到主信息载体的磁场强度设定为施加的磁场的磁场强度的20％以下通过磁通从主信息载体泄漏出来。可以防止由记录期间的各种条件导致的质量劣化，并且实现根据磁记录介质上的位置具有较小变化的均匀记录。

2. 发明授权

US07061703B2 Master information carrier and method for manufacturing magnetic disc using the same 失效
公开(公告)号：US07061703B2
公开(公告)日：2006-06-13
申请号：US10686145
申请日：2003-10-14
申请人： Tatsuaki Ishida , Keizo Miyata , Nobuyuki Komura , Yasuaki Ban , Taizou Hamada , Hideyuki Hashi
发明人： Tatsuaki Ishida , Keizo Miyata , Nobuyuki Komura , Yasuaki Ban , Taizou Hamada , Hideyuki Hashi
IPC分类号： G11B5/86
CPC分类号： B82Y10/00 , G11B5/59633 , G11B5/743 , G11B5/82 , G11B5/865
摘要： A master information carrier capable of manufacturing a magnetic recording medium in which a preformat recording of information signals causing no reproduction signal detection errors arising from a pulse shift of a reproduction waveform is performed. A master information carrier 1 has an array of ferromagnetic thin films 3 arranged according to the pattern of information signals and is used for forming magnetization 4 of a pattern corresponding to the array pattern of the ferromagnetic thin film 3 in a magnetic recording medium by applying a magnetic field while opposing the master information carrier 1 against a magnetic recording medium 2. Each of the ferromagnetic thin films 3 is formed such that each pattern length A becomes equal to a length including a correction amount α in addition to a length a between magnetic transition areas 6 of the magnetization 4 to be formed in the magnetic recording medium 2.

3. 发明授权

US06858329B2 Master disc and method for manufacturing magnetic disc using the same 失效
标题翻译：主盘及其制造方法
公开(公告)号：US06858329B2
公开(公告)日：2005-02-22
申请号：US09980183
申请日：2001-03-29
申请人： Taizou Hamada , Hideyuki Hashi , Tatsuaki Ishida , Nobuyuki Komura , Yasuaki Ban , Keizo Miyata , Kiyokazu Tohma
发明人： Taizou Hamada , Hideyuki Hashi , Tatsuaki Ishida , Nobuyuki Komura , Yasuaki Ban , Keizo Miyata , Kiyokazu Tohma
IPC分类号： G11B5/596 , G11B5/82 , G11B5/86 , G11B23/50 , G11B5/66
CPC分类号： B82Y10/00 , G11B5/59633 , G11B5/743 , G11B5/82 , G11B5/865 , G11B23/505
摘要： A master disc capable of conducting a preformat recording by a magnetic transcription without causing any unevenness over an entire magnetic disc is provided. The master disc is provided with a radial land portion where an array of ferromagnetic thin films is formed and a concave portion against the land portion. The land portion and the concave portion are formed such that the land portion is joined with the surface of the magnetic disc when the present magnetic disc is overlapped on the magnetic disc, and that the concave portion is not contacted with the surface of the magnetic disc, and also that a space surrounded by the surface of the magnetic disc and the concave portion is open to air at a peripheral end portion of the magnetic disc.
摘要翻译：提供能够通过磁转录进行预格式化记录而不在整个磁盘上造成任何不均匀的母盘。主盘设置有形成铁磁性薄膜阵列的径向接地部分和抵靠陆部的凹部。当磁盘重叠在磁盘上时，陆部和凹部形成为使得陆部与磁盘的表面接合，并且凹部不与磁盘的表面接触并且由磁盘的表面和凹部包围的空间在磁盘的周边端部对空气开放。

4. 发明授权

US06980380B2 Master information carrier and method for manufacturing magnetic disk 失效
标题翻译：主信息载体和制造磁盘的方法
公开(公告)号：US06980380B2
公开(公告)日：2005-12-27
申请号：US10330172
申请日：2002-12-27
申请人： Keizo Miyata , Hideyuki Hashi , Tatsuaki Ishida
发明人： Keizo Miyata , Hideyuki Hashi , Tatsuaki Ishida
IPC分类号： G11B5/82 , G11B5/86 , G11B23/50
CPC分类号： B82Y10/00 , G11B5/743 , G11B5/82 , G11B5/865 , G11B23/505
摘要： A master information carrier includes a high-level region and a low-level region that are formed on a non-magnetic base. The high-level region includes a ferromagnetic thin film pattern that corresponds to preformat information signals. The master information carrier is brought into close contact with a magnetic disk by exhausting a gas from a hole of the magnetic disk to generate negative pressure in a space between the low-level region and the magnetic disk. In this case, to prevent deformation of the central portion of the master information carrier, an inner edge of the high-level region in the radial direction is extended to the vicinity of a hole edge of the magnetic disk so that a portion of the high-level region comes into contact with the vicinity of the hole edge. This configuration can improve the close contact between the master information carrier and the magnetic disk, thus achieving higher reliability of magnetic transfer recording.
摘要翻译：主信息载体包括形成在非磁性基底上的高电平区域和低电平区域。高电平区域包括对应于预格式化信息信号的铁磁薄膜图案。通过从磁盘的孔排出气体而使主信息载体与磁盘紧密接触，以在低电平区域和磁盘之间的空间中产生负压。在这种情况下，为了防止主信息载体的中心部分的变形，高度区域的径向内侧的边缘延伸到磁盘的孔边缘附近，使得一部分高水平区域与孔边缘附近接触。这种配置可以改善主信息载体和磁盘之间的紧密接触，从而实现更高的磁转移记录的可靠性。

5. 发明授权

US06781777B2 Master information carrier and method for manufacturing information recording medium using the same 失效
标题翻译：主信息载体和使用其的信息记录介质的制造方法
公开(公告)号：US06781777B2
公开(公告)日：2004-08-24
申请号：US09983077
申请日：2001-10-23
申请人： Keizo Miyata , Hideyuki Hashi , Tatsuaki Ishida
发明人： Keizo Miyata , Hideyuki Hashi , Tatsuaki Ishida
IPC分类号： G11B586
CPC分类号： G11B5/865 , G11B5/82 , G11B5/855 , G11B7/263 , G11B11/10582 , G11B23/0057 , G11B23/505
摘要： A high-level region and a low-level region are formed on a surface of a nonmagnetic base member, in which high-level region is formed a ferromagnetic thin film pattern which corresponds to a preformat information signal, in such a structure that a flow promoting shape of such a shape (e.g., smooth curved shape, polygonal shape) that inhibits the stagnation of a flow of a detergent to promote the flow in order to prevents sticking and residing of foreign matter contained in the detergent is formed at an area where the detergent is liable to stagnate in the high-level region, i.e. at an inner radial portion of a disk-shaped mater information carrier.
摘要翻译：高电平区域和低电平区域形成在非磁性基底构件的表面上，其中高级区域形成有对应于预格式化信息信号的铁磁性薄膜图案，其结构使得流动促进形成这样的形状（例如，平滑的弯曲形状，多边形），其阻止洗涤剂的流动的停滞以促进流动，以防止包含在洗涤剂中的异物的粘附和驻留在洗涤剂容易滞留在高级区域，即在盘形物料信息载体的内部径向部分处。

6. 发明授权

US07057834B2 Master information carrier and method for manufacturing magnetic disc using the same 有权
标题翻译：主信息载体及其制造方法
公开(公告)号：US07057834B2
公开(公告)日：2006-06-06
申请号：US09979872
申请日：2001-03-29
申请人： Tatsuaki Ishida , Keizo Miyata , Nobuyuki Komura , Yasuaki Ban , Taizou Hamada , Hideyuki Hashi
发明人： Tatsuaki Ishida , Keizo Miyata , Nobuyuki Komura , Yasuaki Ban , Taizou Hamada , Hideyuki Hashi
IPC分类号： G11B5/86
CPC分类号： B82Y10/00 , G11B5/59633 , G11B5/743 , G11B5/82 , G11B5/865
摘要： A master information carrier capable of manufacturing a magnetic recording medium in which a preformat recording of information signals causing no reproduction signal detection errors arising from a pulse shift of a reproduction waveform is performed. A master information carrier 1 has an array of ferromagnetic thin films 3 arranged according to the pattern of information signals and is used for forming magnetization 4 of a pattern corresponding to the array pattern of the ferromagnetic thin film 3 in a magnetic recording medium by applying a magnetic field while opposing the master information carrier 1 against a magnetic recording medium 2. Each of the ferromagnetic thin films 3 is formed such that each pattern length A becomes equal to a length including a correction amount α in addition to a length a between magnetic transition areas 6 of the magnetization 4 to be formed in the magnetic recording medium 2.
摘要翻译：能够制造磁记录介质的主信息载体，其中执行不再现由再现波形的脉冲移位引起的再现信号检测错误的信息信号的预格式化记录。主信息载体1具有根据信息信号的图案布置的铁磁薄膜3的阵列，并且用于在磁记录介质中形成与铁磁性薄膜3的阵列图案对应的图案的磁化4，同时与主信息载体1相对于磁记录介质2相对。每个铁磁薄膜3被形成为使得除了要在磁记录介质2中形成的磁化4的磁性过渡区域6之间的长度a之外，每个图案长度A也等于包括校正量α的长度。

7. 发明授权

US06994029B2 Magnetic transfer method and magnetic transfer device 失效
标题翻译：磁转移方式和磁转移装置
公开(公告)号：US06994029B2
公开(公告)日：2006-02-07
申请号：US10654500
申请日：2003-09-03
申请人： Hideyuki Hashi , Taizo Hamada , Toshio Makabe , Kiyokazu Toma , Tatsuaki Ishida , Yasuaki Ban , Keizo Miyata
发明人： Hideyuki Hashi , Taizo Hamada , Toshio Makabe , Kiyokazu Toma , Tatsuaki Ishida , Yasuaki Ban , Keizo Miyata
IPC分类号： B41M1/10
CPC分类号： G11B5/865 , G11B5/59633 , G11B23/505
摘要： A magnetic transfer method which superposes on a magnetic disk surface a magnetic transfer master disk (2) on which a magnetic film is formed so as to have an array pattern shape corresponding to a preset information signal, and magnetizes the magnetic film on the master disk (2) to thereby magnetic-transfer-record the array pattern of the information signal on the master disk (2) onto the magnetic disk as the magnetized pattern of the information signal, the method characterized by comprising a step of contacting/separating to/from a dummy disk (1) the magnetic film-formed surface of the master disk (2) to thereby clean the master disk (2), and a step of superposing, after the cleaning, the master disk (2) on the magnetic disk for magnetic transfer recording; and a magnetic transfer device for the method.
摘要翻译：一种磁转移方法，其在磁盘表面上叠加形成有磁性膜的磁性传递母盘（2），以具有与预置信息信号相对应的阵列图案形状，并且磁化主磁盘上的磁性膜（2），从而磁信号将主盘（2）上的信息信号的阵列图案作为信息信号的磁化图形记录到磁盘上，该方法的特征在于包括：将/ 从虚拟盘（1）将主盘（2）的磁性膜形成表面从主盘（2）清除，并将清洁后的主盘（2）重叠在磁盘用于磁转录音; 和用于该方法的磁转移装置。

8. 发明授权

US06665133B1 Magnetic transfer method and magnetic transfer device 失效
标题翻译：磁转移方式和磁转移装置
公开(公告)号：US06665133B1
公开(公告)日：2003-12-16
申请号：US09720146
申请日：2001-03-09
申请人： Hideyuki Hashi , Taizo Hamada , Toshio Makabe , Kiyokazu Toma , Tatsuaki Ishida , Yasuaki Ban , Keizo Miyata
发明人： Hideyuki Hashi , Taizo Hamada , Toshio Makabe , Kiyokazu Toma , Tatsuaki Ishida , Yasuaki Ban , Keizo Miyata
IPC分类号： G11B586
CPC分类号： G11B5/865 , G11B5/59633 , G11B23/505
摘要： A magnetic transfer method which superposes on a magnetic disk surface a magnetic pattern from a master disk (2), said master disc having on its surface a magnetic film formed so as to have an array pattern shape corresponding to a preset data signal, magnetized into the magnetic film of the master disk (2). The master disc is used to magnetically transfer the array pattern of the data signal onto the magnetic disk as the magnetized pattern of the data signal. The method characterized comprises steps of contacting and separating, to and from a dummy disk (1) the magnetic film-formed surface of the master disk (2) to thereby clean the master disk (2), and a step of superposing, after the cleaning, the master disk (2) on the magnetic disk for effectuating the magnetic transfer.
摘要翻译：一种磁性传递方法，其在磁盘表面上叠加来自主盘（2）的磁性图案，所述母盘在其表面上具有形成为具有对应于预设数据信号的阵列图案形状的磁性膜，被磁化成主盘（2）的磁膜。主盘用于将数据信号的阵列图案作为数据信号的磁化图案磁转移到磁盘上。该方法的特征在于包括以下步骤：将虚拟盘（1）与主盘（2）的磁性膜形成表面接触和分离，从而清洁母盘（2），并且在清洁磁盘上的主盘（2），以实现磁转移。

9. 发明授权

US06850377B2 Master information carrier/magnetic recording medium defect inspection method 失效
标题翻译：主信息载体/磁记录介质缺陷检测方法
公开(公告)号：US06850377B2
公开(公告)日：2005-02-01
申请号：US10123417
申请日：2002-04-17
申请人： Hideyuki Hashi , Taizou Hamada , Tatsuaki Ishida
发明人： Hideyuki Hashi , Taizou Hamada , Tatsuaki Ishida
IPC分类号： G01R33/12 , G11B5/86 , G11B23/50 , G11B27/36 , G11B33/10
CPC分类号： G01R33/1207 , G11B5/865 , G11B23/505 , G11B27/36 , G11B33/10 , G11B2220/20
摘要： Instead of directly performing defect inspection using a master information carrier, an inspection substrate is prepared to then bring the master information carrier in close contact therewith, to thereby transfer a defect on the master information carrier to the inspection substrate, thus indirectly inspecting any defect of the master information carrier on the inspection substrate. Defect inspection is performed on the first-state inspection substrate before close contacting, so that a defect inspection result on the second-state inspection substrate after close contacting and that on the first-state inspection substrate are compared to each other.
摘要翻译：代替使用主信息载体直接执行缺陷检查，准备检查基板，使主信息载体紧密接触，从而将主信息载体上的缺陷传送到检查基板，从而间接地检查检测基板上的主信息载体。在紧密接触之前对第一状态检查基板进行缺陷检查，从而将紧密接触后的第二状态检查基板与第一状态检查基板上的缺陷检查结果进行比较。

10. 发明授权

US06909565B2 Magnetic transfer method and magnetic transfer apparatus 失效
标题翻译：磁转移方式和磁转移装置
公开(公告)号：US06909565B2
公开(公告)日：2005-06-21
申请号：US10718136
申请日：2003-11-20
申请人： Hideyuki Hashi , Taizou Hamada , Tatsuaki Ishida , Kiyokazu Tohma
发明人： Hideyuki Hashi , Taizou Hamada , Tatsuaki Ishida , Kiyokazu Tohma
IPC分类号： G11B5/82 , G11B5/84 , G11B5/86 , G11B19/04 , G11B23/50
CPC分类号： G11B5/82 , G11B5/84 , G11B5/865 , G11B19/04 , G11B23/505
摘要： A magnetic transfer method includes a first step (ST103) of preparing a magnetic disk, a second step (ST105) of forming a layer of lubricant on the magnetic disk, a third step (ST108) of bringing a surface of the magnetic layer on the magnetic disk into close contact with a magnetic transfer master having a magnetic film formed on at least one side and magnetically transferring a pattern of the magnetic film on the magnetic transfer master onto the surface of the magnetic disk through application of an external magnetic field, and a fourth step (ST104, ST106) of burnishing at least a surface of the magnetic disk that comes into contact with the magnetic transfer master. The first step, the fourth step, the second step, the fourth step, and the third step are performed in the stated order.
摘要翻译：磁转移方法包括制备磁盘的第一步骤（ST 103），在磁盘上形成润滑剂层的第二步骤（ST105），使磁性表面形成的第三步骤（ST 108）在磁盘上形成与形成在至少一个侧面上的具有磁性膜的磁性传递主体紧密接触，并通过施加外部磁体将磁性传递母版上的磁性膜的图案磁性传递到磁盘表面上以及第四步骤（ST104，ST1010），其与至少与磁转移母盘接触的磁盘表面进行抛光。第一步骤，第四步骤，第二步骤，第四步骤和第三步骤按照所述顺序进行。

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