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1. 发明专利

JP2007273077A Optical disk 有权
标题翻译：光盘
公开(公告)号：JP2007273077A
公开(公告)日：2007-10-18
申请号：JP2007122622
申请日：2007-05-07
申请人： Fujitsu Ltd , Sony Corp , ソニー株式会社 , 富士通株式会社
发明人： MORIBE MINEO , KURODA SUMIO , IIDA KOICHI , TAKEMOTO HIROYUKI
IPC分类号： G11B7/007 , G11B7/24
摘要： PROBLEM TO BE SOLVED: To secure a recordable area of a user as widely as possible without damaging high-speed of a system. SOLUTION: In the optical disk, a rewritable area and reproduction dedicated information area exist in every sector, reproduction dedicated information comprising header data is recorded in a group track and land track as rugged pits in the reproduction dedicated information area. The rugged pits of shared data among the reproduction dedicated information recorded in the group track and the land track have different opening widths and/or depths and are adjacent in a radial direction. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：尽可能广泛地确保用户的可记录区域，而不会损害系统的高速。解决方案：在光盘中，在每个扇区中存在可重写区域和再现专用信息区域，包括标题数据的再现专用信息被记录在作为再现专用信息区域中的粗糙凹坑的组轨道和轨迹轨道中。记录在组轨道和陆地轨道中的再现专用信息中的共享数据的凹凸凹坑具有不同的开口宽度和/或深度，并且在径向方向上相邻。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2008217933A Information transfer master for magnetic transfer and magnetic transfer method 审中-公开
标题翻译：用于磁传输和磁传输方法的信息传输主体
公开(公告)号：JP2008217933A
公开(公告)日：2008-09-18
申请号：JP2007055916
申请日：2007-03-06
申请人： Fujitsu Ltd , 富士通株式会社
发明人： KURODA SUMIO , CHIBA HIROSHI , MARUYAMA TSUGIHITO
IPC分类号： G11B5/86
CPC分类号： G11B5/865 , B82Y10/00 , G11B5/743
摘要： PROBLEM TO BE SOLVED: To provide an information transfer master and a magnetic transfer method which allow information to be surely transferred to a slave medium by giving excellent adhesion between the information transfer master and the slave medium.
SOLUTION: The information transfer master is used when the servo information is transferred to a magnetic recording medium having a lubricant layer on a surface thereof from the information transfer master, which has servo information recorded therein, wherein surface free energy of a surface layer of the information transfer master, which faces the magnetic recording medium when magnetically transferring the servo information, is ≤45 mN/m.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种信息传递主机和磁传送方法，其通过在信息传送主机和从属介质之间提供优异的粘附力使信息可靠地传送到从属介质。解决方案：当伺服信息从其中记录有伺服信息的信息传送主机传送到其表面上具有润滑层的磁记录介质时，使用信息传送主机，其中表面的表面自由能在磁传输伺服信息时面向磁记录介质的信息传送主机层是≤45mN/ m。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2008065910A Master recording medium, magnetic transfer method, magnetic transfer device, magnetic recording medium produced by same, and magnetic recording and reproducing device 审中-公开
标题翻译：主记录介质，磁传输方法，磁传输装置，由其制造的磁记录介质，以及磁记录和再现装置
公开(公告)号：JP2008065910A
公开(公告)日：2008-03-21
申请号：JP2006243235
申请日：2006-09-07
申请人： Fujifilm Corp , Fujitsu Ltd , 富士フイルム株式会社 , 富士通株式会社
发明人： FUJIWARA NAOTO , SUGIYAMA KENJI , NIITSUMA KAZUHIRO , YASUNAGA TADASHI , MARUYAMA TSUGIHITO , KURODA SUMIO , NAKAMURA YUTAKA , SUZUKI HIROYUKI
IPC分类号： G11B5/86
CPC分类号： G11B5/865
摘要： PROBLEM TO BE SOLVED: To obtain a satisfactory reproducing signal in a magnetically transferred magnetic recording medium.
SOLUTION: In a master recording medium wherein a projecting and recessed pattern for transferring information to a disk like magnetic recording medium is formed on the surface thereof and a magnetic layer is formed on the surface of at least a projecting region of the projecting and recessed pattern and which is used for transferring information recorded by the projecting and recessed pattern to the magnetic recording medium by closely sticking a region where the projecting and recessed pattern is formed to the magnetic recording medium and applying a magnetic field whose intensity is 75 to 105 (%) as high as the intensity of coercive force of a magnetic layer which constitutes the magnetic recording medium vertically to the magnetic recording medium, the width of a recessed region is 1.3 to 1.9 times as wide as the width of the projecting region in a track direction of the projecting and recessed pattern.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：在磁转移磁记录介质中获得令人满意的再现信号。解决方案：在其中在其表面上形成用于将信息传送到盘状磁盘记录介质的突出和凹陷图案的主记录介质中，并且在突出的至少一个突出区域的突出区域的表面上形成磁性层并且用于通过将形成有突出和凹陷图案的区域紧密地粘附到磁记录介质并将强度为75的磁场施加到磁性记录介质上而将由突出和凹陷图案记录的信息传送到磁记录介质 105（％）与构成磁记录介质垂直于磁记录介质的磁记录介质的磁性层的矫顽力的强度一样高，凹陷区域的宽度为其中的突出区域的宽度的1.3至1.9倍突出和凹陷图案的轨迹方向。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2007242136A High density magnetic disk medium and method for manufacturing the same 审中-公开
标题翻译：高密度磁性介质及其制造方法
公开(公告)号：JP2007242136A
公开(公告)日：2007-09-20
申请号：JP2006062482
申请日：2006-03-08
申请人： Fujitsu Ltd , 富士通株式会社
发明人： KITADE YASUHIRO , KURODA SUMIO
IPC分类号： G11B5/65 , G11B5/82 , G11B5/84 , G11B5/855
摘要： PROBLEM TO BE SOLVED: To form magnetically stable servo pattern in high density in a short period of time at low cost, which can also correspond to a next-generation magnetic recording medium in high record density.
SOLUTION: A recording film outside a pattern in a servo area is eliminated by etching, irregularity caused by etching inside and outside the pattern is made flat by using non-magnetic film formation and CMP chemical polishing. Binary recording of +1 and -1 is performed by alternately changing the polarities of adjacent patterns P1 and P2, and further, a 0 area with a recording film eliminated is provided between the adjacent patterns. Therefore, the pattern P2 is divided into several small units b1, b2, ..., difference of holding power by the effect of shape magnetic anisotropy is utilized to first arrange all of patterns in a magnetizing direction by enoughly strong permanent magnet, a permanent magnet such as to inverse only the pattern P1 with a major axis is used to magnetize the pattern P1 with a major axis in a reverse direction.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：在低成本的短时间内以高密度形成磁稳定伺服图案，这也可以对应于具有高记录密度的下一代磁记录介质。解决方案：通过蚀刻消除伺服区域中的图案外的记录膜，通过使用非磁性成膜和CMP化学抛光使图案内部和外部的蚀刻引起的不规则性变得平坦。通过交替地改变相邻图案P1和P2的极性来执行+1和-1的二进制记录，此外，在相邻图案之间设置消除了记录膜的0区域。因此，图案P2被分割成若干小单元b1，b2，...，利用形状磁各向异性的作用，保持力的差异首先通过足够坚固的永久磁铁将所有的图案在磁化方向上排列，永磁体磁铁，例如仅使具有长轴的图案P1相反地用于以相反方向的长轴磁化图案P1。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2007242128A Format device of magnetic disk 有权
标题翻译：磁盘格式设备
公开(公告)号：JP2007242128A
公开(公告)日：2007-09-20
申请号：JP2006062085
申请日：2006-03-08
申请人： Fujitsu Ltd , 富士通株式会社
发明人： MORIBE MINEO , KURODA SUMIO
IPC分类号： G11B21/10
摘要： PROBLEM TO BE SOLVED: To provide a format device in which magnetic information can be given correctly to a servo area already set up on a disk surface. SOLUTION: The format device 100 for magnetic disk in which a plurality of servo area having a servo pattern constituted of a magnetic material and a non-magnetic material are arranged radially is provided with a motor rotating a magnetic disk, a magnetic head 120 having a magnetized part 122 being long in one direction, an arm supporting the magnetic head rotatably, a first actuator varying arrangement of the arm so that the magnetic head is moved in the diameter direction, a second actuator 160 rotating the magnetic head, and a controller, wherein first operation in which the magnetic head is moved in the diameter direction while varying a cross angle of a movement locus of a rotation center of the magnetic head and a longitudinal direction of the magnetized part and a magnetic field is applied to a whole servo area and second operation in which the magnetic disk is rotated so that other servo area is opposed to the magnetic head are repeated until the magnetic field is applied to all servo areas. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够将磁信息正确地给出已经设置在盘表面上的伺服区域的格式装置。解决方案：其中具有由磁性材料和非磁性材料构成的伺服图案的多个伺服区域径向布置的磁盘格式装置100设置有旋转磁盘的电机，磁头 120，具有在一个方向上长的磁化部分122，可旋转地支撑磁头的臂，第一致动器改变臂的布置，使得磁头沿直径方向移动，第二致动器160旋转磁头，以及控制器，其中磁头沿着直径方向移动的第一操作，同时改变磁头的旋转中心的运动轨迹和磁化部分的纵向方向的交叉角以及磁场，整个伺服区域和第二操作，其中磁盘旋转，使得其他伺服区域与磁头相对，直到磁场被施加到所有伺服区域。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2009283052A Magnetic transfer method, magnetic transfer apparatus and method for manufacturing magnetic recording medium 审中-公开
标题翻译：磁性传输方法，磁性传输装置和制造磁记录介质的方法
公开(公告)号：JP2009283052A
公开(公告)日：2009-12-03
申请号：JP2008132954
申请日：2008-05-21
申请人： Fujitsu Ltd , 富士通株式会社
发明人： KITADE YASUHIRO , KURODA SUMIO
IPC分类号： G11B5/86
摘要： PROBLEM TO BE SOLVED: To extend the lifetime of a magnetic transfer master in a magnetic transfer method for transferring a magnetic pattern to a magnetic recording medium. SOLUTION: The magnetic transfer master (1) for transferring a magnetic pattern to a magnetic recording medium (2) having a lubricant (3) on the surface is periodically exposed in ozone atmosphere in a magnetic transfer apparatus (20), and the lubricant (3) and contaminating particles attached to the magnetic transfer master (1) are chemically decomposed for cleaning. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：将用于将磁图案转印到磁记录介质的磁转移方法中延长磁转移母版的寿命。解决方案：用于将表面上具有润滑剂（3）的磁性图案转印到具有润滑剂（3）的磁记录介质（2）的磁性传送母体（1）在磁性传送装置（20）中的臭氧气氛中周期性地露出，并且润滑剂（3）和附着于磁转移母料（1）的污染颗粒被化学分解以进行清洁。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2007250106A Method for copying magnetic pattern and copying apparatus 有权
标题翻译：复制磁性图案和复印设备的方法
公开(公告)号：JP2007250106A
公开(公告)日：2007-09-27
申请号：JP2006073636
申请日：2006-03-17
申请人： Fujitsu Ltd , 富士通株式会社
发明人： NAKAMURA YUTAKA , KURODA SUMIO , SUZUKI HIROYUKI
IPC分类号： G11B5/86
CPC分类号： G11B5/865 , G11B5/5965
摘要： PROBLEM TO BE SOLVED: To provide a method for copying a magnetic pattern for improving efficiency of the magnetic transfer of a master information pattern to a magnetic recording medium which is a magnetic recording medium of a smaller size, and also to provide a copying apparatus for copying a magnetic pattern.
SOLUTION: In the method for copying a magnetic pattern to the magnetic recording medium by bringing a master information carrier where the magnetic pattern corresponding to information is formed close to a magnetically recordable disk-like magnetic recording medium, the plurality of magnetic patterns corresponding to the information to be recorded in the disk-like magnetic recording medium of a diameter smaller than the diameter of the master information carrier are formed on one surface side of the master information carrier; the magnetic recording medium is closely mounted on each of the plurality of magnetic patterns formed on one surface side of the master information carrier; a DC magnetic field is applied correspondingly to the plurality of magnetic patterns respectively, and the plurality of magnetic patterns formed on the master information carrier are transferred to the disk-like magnetic recording medium closely mounted correspondingly to the magnetic patterns respectively.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于将用于提高主信息图案的磁传递的效率的磁图案复制到作为较小尺寸的磁记录介质的磁记录介质的方法，并且还提供用于复制磁图案的复印装置。解决方案：在通过使与信息相对应的磁性图案形成的主信息载体靠近磁性可记录盘状磁记录介质的情况下将磁图案复制到磁记录介质的方法中，多个磁图案对应于要记录在直径小于主信息载体的直径的盘状磁记录介质中的信息形成在主信息载体的一个表面侧上; 磁记录介质紧密地安装在形成在主信息载体的一个表面侧上的多个磁图案中的每一个上; 对应于多个磁图案分别施加DC磁场，并且形成在主信息载体上的多个磁图案分别转印到相应于磁图案紧密安装的盘状磁记录介质。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2007207289A Magnetic transfer device 有权
标题翻译：磁性传输装置
公开(公告)号：JP2007207289A
公开(公告)日：2007-08-16
申请号：JP2006022098
申请日：2006-01-31
申请人： Fujitsu Ltd , 富士通株式会社
发明人： SUZUKI HIROYUKI , KURODA SUMIO , NAKAMURA YUTAKA
IPC分类号： G11B5/86
CPC分类号： G11B5/865
摘要： PROBLEM TO BE SOLVED: To provide a magnetic transfer device capable of closely attaching a magnetic disk and master magnetic bodies with a simple structure.
SOLUTION: First and second holding members 32, 33 are attached to first and second magnets 42, 43, respectively. A line of magnetic force 52 is generated between the first and second magnets 42, 43. Accordingly, a magnetic attraction force is generated between the first and second magnets 42, 43. The second magnet 43 and the second holding member 33 move towards the first holding member 32. The first and second holding members 32, 33 are combined. The magnetic disk 51 and the master magnetic bodies 35, 38 are closely attached. Simultaneously, the line of magnetic force 52 acts on the magnetic disk 51. A servo pattern is written in the magnetic disk 51. Thus, the first and second magnets 42, 43 for writing the servo pattern can be used for closely attaching the magnetic disk 51 and the master magnetic bodies 35, 38.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够以简单结构紧密附着磁盘和主磁体的磁转移装置。解决方案：第一和第二保持构件32,33分别附接到第一和第二磁体42,43。在第一和第二磁体42,43之间产生磁力线52.因此，在第一和第二磁体42,43之间产生磁吸引力。第二磁体43和第二保持构件33向第一磁体42,43移动。保持构件32.第一和第二保持构件32,33组合。磁盘51和主磁体35,38紧密连接。同时，磁力线52作用在磁盘51上。伺服图案被写入磁盘51.因此，用于写入伺服图案的第一和第二磁体42,43可以用于紧密附着磁盘 51和主磁体35,38。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2006040469A Method for manufacturing magnetic transfer master carrier, and magnetic transfer master carrier 审中-公开
标题翻译：磁性传输主载波和磁传输主载波的制造方法
公开(公告)号：JP2006040469A
公开(公告)日：2006-02-09
申请号：JP2004221589
申请日：2004-07-29
申请人： Fujitsu Ltd , 富士通株式会社
发明人： KURODA SUMIO , OZAKI KAZUYUKI
IPC分类号： G11B5/86 , G11B5/82 , G11B5/84 , G11B5/858
摘要： PROBLEM TO BE SOLVED: To provide a method suited for manufacturing a magnetic transfer master carrier having a very small magnetic material pattern of small edge roughness, and such a master transfer master carrier.
SOLUTION: The method for manufacturing a magnetic transfer master carrier X1 for writing information in a magnetic recording medium by a magnetic transfer method includes the step of forming a substrate layer 12 for a plating method on a base material 11, the step of forming a resist film on the substrate layer 12, the resist pattern forming step of forming an opening 131 faced by the substrate layer 12 on the resist layer to form a resist pattern 13 having a pattern shape corresponding to information on the substrate layer 12, and the magnetic material pattern forming step of growing a magnetic material on the substrate layer 12 facing the opening 131 by a plating method to form a magnetic material pattern 14 having a pattern shape corresponding to information.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种适用于制造具有小边缘粗糙度的非常小的磁性材料图案的磁转移主载体的方法，以及这种主转印主载体。解决方案：用于制造用于通过磁转移方法在磁记录介质中写信息的磁转移主载架X1的方法包括在基材11上形成用于电镀方法的基板层12的步骤，步骤在基板层12上形成抗蚀剂膜，抗蚀剂图案形成步骤在抗蚀剂层上形成面向基板层12的开口131，以形成具有与基板层12上的信息对应的图案形状的抗蚀剂图案13，以及磁性材料图形形成步骤，通过电镀方法在基板层12上面对开口131生长磁性材料，以形成具有与信息对应的图案形状的磁性材料图案14。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2007273061A Master for magnetic transfer and method of manufacturing perpendicular recording medium 审中-公开
标题翻译：磁性传输主机及制造全能记录介质的方法
公开(公告)号：JP2007273061A
公开(公告)日：2007-10-18
申请号：JP2006100878
申请日：2006-03-31
申请人： Fujitsu Ltd , 富士通株式会社
发明人： KURODA SUMIO , MORIKAWA TAKESHI
IPC分类号： G11B5/86
CPC分类号： G11B5/855 , G11B5/59655 , G11B5/865
摘要： PROBLEM TO BE SOLVED: To provide a master for magnetic transfer with which track density of a perpendicular recording medium can be increased while quality of a reproduced waveform of information recorded in the perpendicular recording medium is improved, and a method of manufacturing the perpendicular recording medium.
SOLUTION: The master 1 for magnetic transfer is provided with: a substrate 2 having ruggedness corresponding to servo information on the surface and constituted of a soft magnetic material; and a ferromagnetic material 3 provided in the recessed part of the substrate 2, having a larger coercive force than that of an external magnetic field reversing a magnetization direction of the perpendicular recording medium, and having magnetization of a direction reverse to the direction of the external magnetic field.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种可以提高垂直记录介质的轨道密度的磁转移主机，同时提高记录在垂直记录介质中的信息的再现波形的质量，以及制造方法垂直记录介质。解决方案：用于磁转移的主机1具有：具有对应于表面上的伺服信息的坚固性的基板2，由软磁材料构成; 以及设置在基板2的凹部中的铁磁材料3，其矫顽力大于反向垂直记录介质的磁化方向的外部磁场的矫顽力，并且具有与外部的方向相反的方向的磁化磁场。版权所有（C）2008，JPO＆INPIT

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