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21. 发明申请

US20090180213A1 MAGNETIC RECORDING MEDIUM, METHOD FOR PRODUCTION THEREOF, AND MAGNETIC RECORDING AND REPRODUCING DRIVE 审中-公开
标题翻译：磁记录介质，其制造方法，磁记录和再现驱动
公开(公告)号：US20090180213A1
公开(公告)日：2009-07-16
申请号：US12280073
申请日：2007-02-19
申请人： Masato Fukushima , Akira Sakawaki , Yasumasa Sasaki
发明人： Masato Fukushima , Akira Sakawaki , Yasumasa Sasaki
IPC分类号： G11B21/02 , G11B5/82 , C23C14/04
CPC分类号： G11B5/855 , B82Y10/00 , G11B5/743 , G11B5/82 , G11B5/865
摘要： A discrete track-type magnetic recording medium (30) includes a nonmagnetic substrate (1), a magnetic recording track and a servo signal pattern that are provided on at least one side of the nonmagnetic substrate and a part (4) nonmagnetized through implantation (7) of ions from above a mask (6) having a shape of a pattern expected to be separated for physically separating the magnetic recording track and the servo signal pattern. A magnetic recording and reproducing device includes the magnetic recording medium (30), a driving part (26) serving to drive the magnetic recording medium in a direction of recording, a magnetic head (27) composed of a recording part and a reproducing part, means (28) to impart motion to the magnetic head relative to the magnetic recording medium and recording and reproducing signal processing means (29) for entering a signal into the magnetic head and reproducing an output signal from the magnetic head.
摘要翻译：离散轨道型磁记录介质（30）包括设置在非磁性基板的至少一侧的非磁性基板（1），磁记录轨道和伺服信号图案以及通过植入（非磁性基板）非磁性的部分（4） 7）离子，其具有预期要分离的图案的形状的掩模（6），用于物理分离磁记录轨道和伺服信号图案。磁记录和再现装置包括磁记录介质（30），用于在记录方向上驱动磁记录介质的驱动部分（26），由记录部分和再现部分组成的磁头（27）用于使磁头相对于磁记录介质运动的装置（28），以及用于将信号输入磁头并再现来自磁头的输出信号的信号处理装置（29）。

22. 发明授权

US08414967B2 Process for producing magnetic recording medium and magnetic recording and reproducing apparatus 失效
标题翻译：制造磁记录介质和磁记录和重放装置的方法
公开(公告)号：US08414967B2
公开(公告)日：2013-04-09
申请号：US12812539
申请日：2009-01-09
申请人： Masato Fukushima , Akira Sakawaki
发明人： Masato Fukushima , Akira Sakawaki
IPC分类号： G11B5/74
CPC分类号： G11B5/855 , H01F41/34
摘要： A method for producing a magnetic recording medium having a magnetically partitioned magnetic recording pattern, comprising a step of forming a magnetic layer contains 0.5-6 atomic % of an oxide on a non-magnetic substrate; and a step of exposing regions of the magnetic layer, which magnetically partition the magnetic recording pattern, to a reactive plasma or reactive ion. The magnetic layer preferably has a non-granular structure, and in-plane orientated. After the step of exposure of the magnetic layer to a reactive plasma or reactive ion, a surface at least in said regions of magnetic layer having been exposed to the reactive plasma or reactive ion is preferably irradiated with an inert gas. Thus, a magnetic recording medium having a magnetic recording pattern with a high precision, and having high electromagnetic conversion characteristics and high recording density can be produced with an enhanced productivity.
摘要翻译：一种制造具有磁分区磁记录图案的磁记录介质的方法，包括形成磁性层的步骤在非磁性基板上含有0.5-6原子％的氧化物; 以及将磁性分隔磁记录图案的磁性层的区域暴露于反应性等离子体或反应离子的步骤。磁性层优选具有非粒状结构，面内取向。在将磁性层暴露于反应性等离子体或反应性离子的步骤之后，至少在已经暴露于反应性等离子体或反应离子的磁性层的所述区域中的表面优选用惰性气体照射。因此，可以提高具有高精度，高电磁转换特性和高记录密度的磁记录图形的磁记录介质。

23. 发明授权

US08389048B2 Magnetic recording medium, method for production thereof and magnetic recording and reproducing device 有权
标题翻译：磁记录介质，其制造方法和磁记录和再现装置
公开(公告)号：US08389048B2
公开(公告)日：2013-03-05
申请号：US12278914
申请日：2007-02-06
申请人： Masato Fukushima , Akira Sakawaki , Yasumasa Sasaki
发明人： Masato Fukushima , Akira Sakawaki , Yasumasa Sasaki
IPC分类号： G11B5/187
CPC分类号： G11B5/855
摘要： A method for the production of a magnetic recording medium (30) includes the steps of depositing a magnetic layer or Co-containing magnetic layer (3) on at least one side of a nonmagnetic substrate (1) and partially implanting atoms into the magnetic layer or Co-containing magnetic layer to partially unmagnetize the magnetic layer or Co-containing magnetic layer, thereby forming nonmagnetic parts (4) and a magnetic recording pattern magnetically separated by the nonmagnetic parts and, in the case of the Co-containing magnetic layer, lowering Co (002) or Co (110) peak strength of a relevant part of the Co-containing magnetic layer as determined by the X-ray diffraction to ½ or less. A magnetic recording and reproducing device includes the magnetic recording medium (30), a driving part (26) for driving the magnetic recording medium in a direction of recording, a magnetic head (27) consisting of a recording part and a regenerating part, means (28) for moving the magnetic head relative to the magnetic recording medium, and recording and reproducing signal processing means (29) adapted to enter a signal into the magnetic head and regenerate an output signal from the magnetic head.
摘要翻译：一种用于制造磁记录介质（30）的方法包括以下步骤：在非磁性基板（1）的至少一侧上沉积磁性层或含Co磁性层（3），并将原子部分地注入磁性层或含Co磁性层，以使磁性层或含Co磁性层部分地不磁化，由此形成非磁性部分（4）和由非磁性部分磁分离的磁记录图案，并且在含Co磁性层的情况下，将通过X射线衍射测定的含Co磁性层的有关部分的Co（002）或Co（110）峰强度降低至1/2以下。一种磁记录和再现装置，包括磁记录介质（30），用于在记录方向上驱动磁记录介质的驱动部分（26），由记录部分和再生部分组成的磁头（27）（28），用于相对于磁记录介质移动磁头，以及记录和再现信号处理装置（29），其适于将信号输入到磁头中并再生来自磁头的输出信号。

24. 发明授权

US08139303B2 Method for production of magnetic recording medium, magnetic recording medium and magnetic recording and reproduction device 失效
标题翻译：磁记录介质，磁记录介质和磁记录再生装置的制造方法
公开(公告)号：US08139303B2
公开(公告)日：2012-03-20
申请号：US12441862
申请日：2007-09-11
申请人： Akira Sakawaki , Masato Fukushima
发明人： Akira Sakawaki , Masato Fukushima
IPC分类号： G11B5/09 , G11B5/596 , G11B5/64 , B44C1/22 , B05D5/12
CPC分类号： G11B5/855
摘要： A method for the production of a magnetic recording medium includes the steps of forming a magnetic layer on a nonmagnetic substrate, injecting atoms into portions of the magnetic layer to cause the portions to be demagnetized or allowed to acquire amorphousness, thereby forming a magnetically separated magnetic recording pattern, the step of injecting atoms including the steps of applying to a surface of the formed magnetic layer an SOG film as a resist, partly removing or thinning the resist, and irradiating the surface with atoms, thereby partly injecting atoms into the magnetic layer through the portions of the magnetic layer from which the resist is removed or in which the resist is thinned.
摘要翻译：一种制造磁记录介质的方法包括以下步骤：在非磁性基板上形成磁性层，将原子注入到磁性层的一部分中以使该部分退磁或获得非晶形状，从而形成磁分离的磁记录图案，注入原子的步骤，包括以下步骤：将形成的磁性层的表面施加作为抗蚀剂的SOG膜，部分地除去或变薄抗蚀剂，并用原子照射表面，从而将原子部分地注入到磁性层通过除去抗蚀剂的磁性层的部分或抗蚀剂变薄的部分。

25. 发明申请

US20110199700A1 PROCESS FOR PRODUCING MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DEVICE 审中-公开
标题翻译：用于制造磁记录介质和磁记录和再现装置的方法
公开(公告)号：US20110199700A1
公开(公告)日：2011-08-18
申请号：US12375497
申请日：2007-07-30
申请人： Katsumasa Hirose , Akira Sakawaki , Masato Fukushima
发明人： Katsumasa Hirose , Akira Sakawaki , Masato Fukushima
IPC分类号： G11B5/02 , B05D5/12
CPC分类号： G11B5/855
摘要： A process for producing a magnetic recording medium which can increase significantly yield and productivity is provided. Such a process for producing a magnetic recording medium includes a resist layer forming step which includes an immersing step of immersing a part of a non-magnetic substrate 31 in a resist solution 11 so that an inner circular domain 3 of an opening part is arranged above a liquid surface 11a of the resist solution 11 and a part of a data recording domain 4 is arranged under the liquid surface 11a of the resist solution 11, and a taking out step of taking the non-magnetic substrate 31 out from the resist solution 11, while rotating the non-magnetic substrate 31 immersed in the resist solution 11 around a rotation axis 37a extending in the direction of the thickness of the non-magnetic substrate 31 through the center of an opening part 37.
摘要翻译：提供一种能够显着提高产量和生产率的磁记录介质的制造方法。这种制造磁记录介质的方法包括抗蚀剂层形成步骤，其包括将非磁性基材31的一部分浸渍在抗蚀剂溶液11中的浸渍步骤，使得开口部分的内圆形区域3布置在抗蚀剂溶液11的液面11a和数据记录区域4的一部分配置在抗蚀剂溶液11的液面11a的下方，从非抗蚀剂溶液11中取出非磁性基板31的取出工序同时旋转浸没在抗蚀剂溶液11中的非磁性基板31绕着通过开口部分37的中心在非磁性基板31的厚度方向上延伸的旋转轴线37a。

26. 发明申请

US20110056908A1 METHOD AND APPARATUS FOR MANUFACTURING MAGNETIC RECORDING MEDIUM 审中-公开
标题翻译：制造磁记录介质的方法和装置
公开(公告)号：US20110056908A1
公开(公告)日：2011-03-10
申请号：US12991882
申请日：2009-05-12
申请人： Masato Fukushima , Akira Sakawaki , Tomoo Shige
发明人： Masato Fukushima , Akira Sakawaki , Tomoo Shige
IPC分类号： H01L21/308
CPC分类号： G11B5/851 , G11B5/855
摘要： There is provided a method for manufacturing a magnetic recording medium which manufactures media by employing the same in-line apparatus and which is capable of reducing the contamination due to the handling and of enhancing the productivity, the method for manufacturing a magnetic recording medium characterized by including, in the following order: a mounting step where a nonmagnetic substrate onto which at least a magnetic recording layer and a mask layer for patterning the magnetic recording layer have been laminated is mounted on a carrier; a reforming step where a portion of the magnetic recording layer which is not covered with the mask layer is subjected to a reactive plasma treatment or an ion irradiation treatment to reform the magnetic properties, thereby forming a magnetic recording pattern constituted of a remaining magnetic material; a removal step in which the mask layer is removed; a protective film forming step in which a protective film is formed on top of the magnetic recording layer; and a detaching step in which the nonmagnetic substrates are detached from the carrier, wherein any one or more steps among the reforming step, the removal step and the protective film forming step are continuously processed in a plurality of chambers.
摘要翻译：提供一种制造磁记录介质的方法，该磁记录介质通过采用相同的在线装置制造介质，并且能够减少由于处理引起的污染和提高生产率，制造磁记录介质的方法，其特征在于包括以下顺序：安装步骤，其中将至少磁记录层和用于图案化磁记录层的掩模层已经层压的非磁性基板安装在载体上; 将未被掩模层覆盖的磁记录层的一部分进行反应等离子体处理或离子照射处理以改善磁特性，从而形成由剩余的磁性材料构成的磁记录图案的重整步骤; 其中除去掩模层的去除步骤; 保护膜形成步骤，其中保护膜形成在磁记录层的顶部上; 以及其中非磁性基板与载体分离的分离步骤，其中重整步骤，去除步骤和保护膜形成步骤中的任何一个或多个步骤在多个室中连续处理。

27. 发明申请

US20100007985A1 METHOD FOR PRODUCING MAGNETIC MEDIUM, MAGNETIC RECORD REPRODUCTION DEVICE, AND MAGNETIC RECORDING MEDIUM 审中-公开
标题翻译：用于制造磁介质的方法，磁记录再现装置和磁记录介质
公开(公告)号：US20100007985A1
公开(公告)日：2010-01-14
申请号：US12498685
申请日：2009-07-07
申请人： Masato FUKUSHIMA , Akira Sakawaki
发明人： Masato FUKUSHIMA , Akira Sakawaki
IPC分类号： G11B5/596 , B32B37/02
CPC分类号： G11B5/855 , B82Y10/00 , G11B5/743 , G11B5/746 , G11B5/82
摘要： One object of the present invention is to provide a method for producing a magnetic recording medium which has excellent magnetic separation properties of the magnetic recording pattern, the present invention providing a method for producing a magnetic recording medium having a magnetic recording pattern which is magnetically separated, comprising the steps of: after laminating at least a magnetic layer and a carbon protective layer on a non-magnetic substrate in this order, partially irradiating with a reactive plasma containing carbon and a halogen or reactive ions which are generated in the reactive plasma on a surface of the carbon protective layer, and thereby forming a halogenated carbon protective layer, which is obtained by partially halogenating the carbon protective layer, and the magnetic recording pattern separated magnetically which is obtained by partially improving the magnetic layer.
摘要翻译：本发明的一个目的是提供一种具有优良的磁记录图形的磁分离性能的磁记录介质的制造方法，本发明提供一种磁记录介质的制造方法，所述磁记录介质具有磁分离的磁记录图形包括以下步骤：在非磁性基板上依次层叠至少一层磁性层和碳保护层，在反应性等离子体中产生的含碳和卤素或反应性离子的反应性等离子体部分照射由碳保护层的表面形成卤化碳保护层，通过将碳保护层部分卤化而得到的卤化碳保护层和通过部分改善磁性层而获得的磁记录图案。

28. 发明授权

US08263190B2 Method of producing magnetic recording medium, and magnetic recording and reading device 有权
标题翻译：磁记录介质的制造方法以及磁记录读取装置
公开(公告)号：US08263190B2
公开(公告)日：2012-09-11
申请号：US12600416
申请日：2008-06-17
申请人： Masato Fukushima , Akira Sakawaki , Yasumasa Sasaki
发明人： Masato Fukushima , Akira Sakawaki , Yasumasa Sasaki
IPC分类号： H05H1/00 , C23C14/04 , G11B5/66
CPC分类号： G11B5/855 , H01F41/34
摘要： The present invention aims to provide a method of producing a magnetic recording medium which is a method of producing a magnetic recording medium having a magnetically-separated magnetic recording pattern, the method including: forming a magnetic layer on a non-magnetic substrate; then exposing a surface of the magnetic layer partially to reactive plasma, or a reactive ion generated in the plasma to amorphize the portion of the magnetic layer.
摘要翻译：本发明的目的是提供一种制造磁记录介质的方法，该方法是制造具有磁分离磁记录图形的磁记录介质的方法，该方法包括：在非磁性基板上形成磁性层; 然后将磁性层的表面部分地暴露于反应性等离子体，或者在等离子体中产生的反应性离子将非磁性化部分磁性层。

29. 发明授权

US08158215B2 Magnetic recording media and method of manufacturing the same, and magnetic recording/reproduction device 失效
标题翻译：磁记录介质及其制造方法以及磁记录/再现装置
公开(公告)号：US08158215B2
公开(公告)日：2012-04-17
申请号：US12441770
申请日：2007-08-16
申请人： Masato Fukushima , Akira Sakawaki
发明人： Masato Fukushima , Akira Sakawaki
IPC分类号： G11B5/00 , G11B5/74
CPC分类号： G11B5/855
摘要： A method of manufacturing magnetic recording media with a high areal recording density, in which there write bleeding during magnetic recording is eliminated by reducing insofar as possible the coercive force and remanent magnetization in areas between magnetic tracks, is provided. The method of manufacture can produce magnetic recording media 10, in which a magnetic layer 3 is provided on at least one surface of a nonmagnetic substrate 1, and a magnetically separated magnetic pattern 3a is formed in this magnetic layer 3; by implanting atoms into the magnetic layer 3 with a uniform distribution in the thickness direction of the magnetic layer 3, and partially rendering nonmagnetic the magnetic layer 3, nonmagnetic portions 5 which magnetically separate the magnetic pattern 3a are formed.
摘要翻译：制造具有高磁记录密度的磁记录介质的方法，其中通过尽可能地减少在磁迹之间的区域中的矫顽力和残余磁化来消除在磁记录期间写入渗漏的方法。制造方法可以制造在非磁性基板1的至少一个表面上设置磁性层3的磁记录介质10，并且在该磁性层3中形成磁分离的磁性图案3a; 通过在磁性层3的厚度方向上以均匀的分布将原子注入到磁性层3中，并且部分地使磁性层3变得非磁性，形成磁性分离磁性图案3a的非磁性部分5。

30. 发明申请

US20110003176A1 PROCESS FOR FORMING CONCAVO-CONVEX PATTERNS, AND PROCESS FOR MANUFACTURING MAGNETIC RECORDING MEDIA USING THE SAME 审中-公开
标题翻译：形成凹凸图案的方法以及使用该方法制造磁记录介质的方法
公开(公告)号：US20110003176A1
公开(公告)日：2011-01-06
申请号：US12865649
申请日：2009-01-28
申请人： Naoyuki Imai , Katsutoshi Morinaka , Hiroshi Uchida , Akira Sakawaki , Masato Fukushima
发明人： Naoyuki Imai , Katsutoshi Morinaka , Hiroshi Uchida , Akira Sakawaki , Masato Fukushima
IPC分类号： G11B5/84 , B05D5/00 , B29C59/02
CPC分类号： G11B5/855
摘要： An object of the present invention is to provide a process for forming concavo-convex patterns which uses a resist-forming material having excellent oxygen etching resistance and long working life and which enables to carry out the imprinting (mold pressing) with good rectangular shape properties at normal temperature.The process for forming a concavo-convex pattern of the present invention comprises a step (1) of applying a solution containing a silsesquioxane compound of Composition Formula (A) below to a surface of a workpiece to form a thin film, a step (2) of pressing a stamper having a concavo-convex pattern to the thin film; and a step (3) of separating the stamper from the thin film; R1R2Si2O3 (A) wherein R1 and R2 are each independently a specific group.
摘要翻译：本发明的目的是提供一种形成凹凸图案的方法，其使用具有优异的耐氧蚀刻性和长使用寿命的抗蚀剂形成材料，并且能够进行具有良好矩形形状性能的压印（模压）在常温下。形成本发明的凹凸图案的方法包括将含有下述组合式（A）的倍半硅氧烷化合物的溶液施加到工件表面以形成薄膜的步骤（1），步骤（2））将具有凹凸图案的压模按压到所述薄膜上; 以及将压模与薄膜分离的工序（3） R1R2Si2O3（A）其中R1和R2各自独立地为特定基团。

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