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1. 发明授权

US07137192B2 Method for manufacturing thin film head 有权
标题翻译：薄膜头制造方法
公开(公告)号：US07137192B2
公开(公告)日：2006-11-21
申请号：US10640068
申请日：2003-08-13
申请人： Masaya Sakaguchi , Toshio Fukazawa
发明人： Masaya Sakaguchi , Toshio Fukazawa
IPC分类号： G11B5/127 , H04R31/00
CPC分类号： B82Y25/00 , B82Y10/00 , G11B5/3106 , G11B5/3163 , G11B5/3903 , G11B5/3912 , G11B5/3932 , G11B5/40 , G11B2005/3996 , Y10T29/49032 , Y10T29/49043 , Y10T29/49044 , Y10T29/49067 , Y10T428/1143 , Y10T428/1164
摘要： A thin film head comprising a GMR element formed of an antiferromagnetic layer, a pinning layer, a nonmagnetic conductive layer and a free magnetic layer; and a pair of the right and the left laminated longitudinal biasing layers, each of the layers containing a hard magnetic layer, a nonmagnetic layer and a soft magnetic layer provided on said free magnetic layer of GMR element. Said hard magnetic layer and said soft magnetic layer are antiferromagnetically exchange-coupled via said nonmagnetic layer, and said hard magnetic layer and said free magnetic layer locating next to said hard magnetic layer are ferromagnetically coupled. The present invention contains also a method for manufacturing the thin film head.
摘要翻译：一种薄膜头，包括由反铁磁层，钉扎层，非磁性导电层和自由磁性层形成的GMR元件; 以及一对左右的层叠纵向偏置层，每个层包含设置在所述GMR元件的自由磁性层上的硬磁性层，非磁性层和软磁性层。所述硬磁性层和所述软磁性层经由所述非磁性层进行反铁磁交换耦合，并且位于所述硬磁性层旁边的所述硬磁性层和所述自由磁性层被铁磁耦合。本发明还包括制造薄膜头的方法。

2. 发明授权

US5602473A Method and apparatus for analysis of magnetic characteristics of magnetic device, magnetic head, and magnetic recording and reproducing apparatus 失效
标题翻译：用于分析磁性装置，磁头和磁记录和再现装置的磁特性的方法和装置
公开(公告)号：US5602473A
公开(公告)日：1997-02-11
申请号：US390782
申请日：1995-02-17
申请人： Yoshiaki Mizoh , Koichi Osano , Masaya Sakaguchi
发明人： Yoshiaki Mizoh , Koichi Osano , Masaya Sakaguchi
IPC分类号： G01R33/12 , G11B5/00 , G11B5/008 , G11B5/127 , G11B5/133 , G11B5/455 , G11B5/53 , G11B11/105 , G01B7/24 , G01B7/14
CPC分类号： G11B5/133 , G01R33/12 , G11B5/00 , G11B5/127 , G11B5/455 , G11B11/10534 , G11B5/0086 , G11B5/53
摘要： A method and apparatus for analysis of magnetic characteristics of a magnetic device used for designing a magnetic head. The magnetic head has recording and reproducing characteristics and a recording and reproducing apparatus of magnetic characteristics. The apparatus for analysis of magnetic characteristics includes a data input part, a coupled analysis part, and a result output part. The data input part is provided with data related to the characteristics of substances composing the magnetic device, data related to the magnetic device divided into a plurality of parts, data concerning the boundary conditions for analysis of the magnetic device, and data concerning the boundary conditions for analysis of the magnetic field. In the analysis part, a stress distribution for each of the plurality of parts divided on the basis of the data related to the boundary conditions input from the data input part is obtained, and magnetic characteristics for each of the plurality of parts based on the data concerning the boundary conditions of the magnetic field and the stress distribution of the magnetic device are obtained, and magnetic characteristics of the whole magnetic device are obtained based on the magnetic characteristics of each of the plurality of parts.
摘要翻译：用于分析用于设计磁头的磁性装置的磁特性的方法和装置。磁头具有记录和再现特性以及磁特性的记录和再现装置。用于分析磁特性的装置包括数据输入部分，耦合分析部分和结果输出部分。数据输入部具备与构成磁性装置的物质的特性相关的数据，与分割为多个部分的磁性装置有关的数据，关于磁性装置分析的边界条件的数据，以及关于边界条件的数据用于分析磁场。在分析部分中，基于与从数据输入部输入的边界条件相关的数据划分的多个部分中的每一个的应力分布被获得，并且基于数据获得多个部分中的每一个的磁特性获得关于磁场的边界条件和磁性装置的应力分布的磁特性，并且基于多个部分的磁特性获得整个磁性装置的磁特性。

3. 发明授权

US5327315A Magnetic recorder with refrigeration element to locally cool tape 失效
标题翻译：带有制冷元件的磁记录器，用于局部冷却胶带
公开(公告)号：US5327315A
公开(公告)日：1994-07-05
申请号：US937736
申请日：1992-09-01
申请人： Norimoto Nouchi , Yoshiaki Mizoh , Hiroshi Yoda , Masaya Sakaguchi
发明人： Norimoto Nouchi , Yoshiaki Mizoh , Hiroshi Yoda , Masaya Sakaguchi
IPC分类号： G11B15/00 , G11B15/61 , G11B15/665 , G11B23/087 , G11B33/14
CPC分类号： G11B33/144 , G11B15/6653 , G11B33/1446
摘要： In order to prevent the staining of magnetic heads of a magnetic recorder in a low humidity environment, a refrigeration device which refrigerates a magnetic tape is positioned so as to engage the magnetic tape prior to the tape engaging the magnetic heads. The refrigeration device comprises either a refrigeration post or a refrigerated semi-closed space and functions to transfer water to the magnetic tape.
摘要翻译：为了防止在低湿度环境下的磁记录器的磁头的污染，将磁带制冷的制冷装置定位成在磁带接合磁头之前与磁带接合。制冷装置包括制冷柱或冷藏半封闭空间，并且将水转移到磁带上。

4. 发明授权

US6072667A Method and apparatus for analysis of magnetic characteristics of magnetic device, magnetic head, and magnetic recording and reproducing apparatus 失效
标题翻译：用于分析磁性装置，磁头和磁记录和再现装置的磁特性的方法和装置
公开(公告)号：US6072667A
公开(公告)日：2000-06-06
申请号：US715774
申请日：1996-09-19
申请人： Yoshiaki Mizoh , Koichi Osano , Masaya Sakaguchi
发明人： Yoshiaki Mizoh , Koichi Osano , Masaya Sakaguchi
IPC分类号： G01R33/12 , G11B5/00 , G11B5/008 , G11B5/127 , G11B5/133 , G11B5/455 , G11B5/53 , G11B11/105 , G11B5/235
CPC分类号： G11B5/133 , G01R33/12 , G11B5/00 , G11B5/127 , G11B5/455 , G11B11/10534 , G11B5/0086 , G11B5/53
摘要： A method and apparatus for analysis of magnetic characteristics of a magnetic device used for designing a magnetic head. The magnetic head has recording and reproducing characteristics and a recording and reproducing apparatus of magnetic characteristics. The apparatus for analysis of magnetic characteristics includes a data input part, a coupled analysis part, and a result output part. The data input part is provided with data related to the characteristics of substances composing the magnetic device, data related to the magnetic device divided into a plurality of parts, data concerning the boundary conditions for analysis of the magnetic device, and data concerning the boundary conditions for analysis of the magnetic field. In the analysis part, a stress distribution for each of the plurality of parts divided on the basis of the data related to the boundary conditions input from the data input part is obtained, and magnetic characteristics for each of the plurality of parts based on the data concerning the boundary conditions of the magnetic field and the stress distribution of the magnetic device are obtained, and magnetic characteristics of the whole magnetic device are obtained based on the magnetic characteristics of each of the plurality of parts.
摘要翻译：用于分析用于设计磁头的磁性装置的磁特性的方法和装置。磁头具有记录和再现特性以及磁特性的记录和再现装置。用于分析磁特性的装置包括数据输入部分，耦合分析部分和结果输出部分。数据输入部具备与构成磁性装置的物质的特性相关的数据，与分割为多个部分的磁性装置有关的数据，关于磁性装置分析的边界条件的数据，以及关于边界条件的数据用于分析磁场。在分析部分中，基于与从数据输入部输入的边界条件相关的数据而分割的多个部分中的每一个的应力分布被获得，并且基于数据获得多个部分中的每一个的磁特性获得关于磁场的边界条件和磁性装置的应力分布的磁特性，并且基于多个部分的磁特性获得整个磁性装置的磁特性。

5. 发明授权

US6069776A Tubular rotary head cleaner having a non-woven fabric for a magnetic recording and/or reproducing apparatus 失效
标题翻译：具有用于磁记录和/或再现装置的无纺织物的管状旋转头清洁器
公开(公告)号：US6069776A
公开(公告)日：2000-05-30
申请号：US309767
申请日：1999-05-11
申请人： Kenji Hasegawa , Yoshiaki Mizoh , Norimoto Nouchi , Masaya Sakaguchi , Keizou Miyata , Tetsuo Fuchi
发明人： Kenji Hasegawa , Yoshiaki Mizoh , Norimoto Nouchi , Masaya Sakaguchi , Keizou Miyata , Tetsuo Fuchi
IPC分类号： G11B5/41 , G11B5/53 , G11B15/665
CPC分类号： G11B15/6653 , G11B5/41 , G11B5/53
摘要： A head cleaner for a magnetic recording and/or reproducing apparatus for cleaning rotary magnetic heads. The head cleaner includes a rotary spindle rotatably mounted on a support arm movable between an operative position, in which the head cleaner is in position to clean the magnetic heads, and an inoperative position separated from the magnetic heads. The head cleaner also includes a plurality of oblong webs of non-woven fabric with or without an abrasive material coated on one surface thereof. The oblong webs of non-woven fabric are fixedly secured to the rotary spindle so as to extend radially outwardly therefrom while being spaced an equal distance from each other in a direction circumferentially thereof.
摘要翻译：一种用于清洁旋转磁头的磁记录和/或再现装置的头清洁器。头部清洁器包括可旋转地安装在支撑臂上的旋转主轴，该支撑臂可在操作位置之间移动，在操作位置，头部清洁器位于其中以清洁磁头，以及与磁头分离的不工作位置。头部清洁器还包括多个具有或不具有涂覆在其一个表面上的研磨材料的无纺织物的长方形网状物。无纺布的长方形腹板固定地固定在旋转主轴上，从而沿径向向外延伸，同时在其圆周方向上彼此间隔相等的距离。

6. 发明授权

US5729398A Head cleaning device 失效
公开(公告)号：US5729398A
公开(公告)日：1998-03-17
申请号：US764532
申请日：1996-12-12
申请人： Norimoto Nouchi , Masaya Sakaguchi , Hiroshi Yoda , Yoshiaki Mizoh
发明人： Norimoto Nouchi , Masaya Sakaguchi , Hiroshi Yoda , Yoshiaki Mizoh
IPC分类号： G11B5/40 , G11B5/41 , G11B5/53 , G11B15/087 , G11B15/61 , G11B33/14
CPC分类号： G11B5/40 , G11B5/41 , G11B5/53 , G11B15/087 , G11B15/61 , G11B33/14
摘要： A head cleaning device for use in a magnetic recording and reproducing apparatus comprises a cleaning roller in which a lubricant with an excellent lubricating action under low humidity conditions impregnates the soft material. This lubricant compensates for the drop in the natural lubricating action resulting from a moisture deficiency, and therefore prevents the production of seized deposits. Furthermore, the head cleaning device comprises a first cleaning portion impregnated with polymer resin and abrasive particles, and a second cleaning portion comprising only a soft material, the second cleaning portion can remove by wiping any abrasive particles or deposits left on the magnetic head surface immediately after the abrasive cleaning action of the first cleaning member.

7. 发明授权

US5453893A Head cleaning device 失效
标题翻译：头部清洁装置
公开(公告)号：US5453893A
公开(公告)日：1995-09-26
申请号：US76571
申请日：1993-06-14
申请人： Norimoto Nouchi , Masaya Sakaguchi , Hiroshi Yoda , Yoshiaki Mizoh
发明人： Norimoto Nouchi , Masaya Sakaguchi , Hiroshi Yoda , Yoshiaki Mizoh
IPC分类号： G11B5/40 , G11B5/41 , G11B5/53 , G11B15/087 , G11B15/61 , G11B33/14
CPC分类号： G11B5/40 , G11B5/41 , G11B5/53 , G11B15/087 , G11B15/61 , G11B33/14
摘要： A head cleaning device for use in a magnetic recording and reproducing apparatus comprises a cleaning roller in which a lubricant with an excellent lubricating action under low humidity conditions impregnates the soft material. This lubricant compensates for the drop in the natural lubricating action resulting from a moisture deficiency, and therefore prevents the production of seized deposits. Furthermore, the head cleaning device comprises a first cleaning portion impregnated with polymer resin and abrasive particles, and a second cleaning portion comprising only a soft material, the second cleaning portion can remove by wiping any abrasive particles or deposits left on the magnetic head surface immediately after the abrasive cleaning action of the first cleaning member.
摘要翻译：用于磁记录和再现装置的头部清洁装置包括清洁辊，其中在低湿度条件下具有优异润滑作用的润滑剂浸渍软质材料。该润滑剂补偿由于水分不足导致的天然润滑作用的下降，因此防止产生被捕获的沉积物。此外，头部清洁装置包括浸渍有聚合物树脂和磨料颗粒的第一清洁部分和仅包含软质材料的第二清洁部分，第二清洁部分可以通过擦拭留在磁头表面上的任何磨料颗粒或沉积物立即去除在第一清洁构件的研磨清洁动作之后。

8. 发明申请

US20110043947A1 MAGNETIC RECORDING/REPRODUCTION DEVICE 失效
标题翻译：磁记录/复制设备
公开(公告)号：US20110043947A1
公开(公告)日：2011-02-24
申请号：US12989222
申请日：2009-04-08
申请人： Kenya Hori , Masaya Sakaguchi
发明人： Kenya Hori , Masaya Sakaguchi
IPC分类号： G11B5/127
CPC分类号： G11B15/60 , G11B15/00 , G11B15/62 , G11B23/502
摘要： There is provided a magnetic recording/reproduction device which can appropriately supply lubricant to a metal-thin-film magnetic tape (1) containing no binder in a recording/reproduction surface even when the magnetic recording/reproduction device needs to be continuously performing recording/reproduction by using the magnetic tape (1) for a long time. The magnetic recording/reproduction device includes a lubricant supplier (10) which can supply lubricant to the magnetic tape (1) while the magnetic head (2) performing recording/reproduction on the magnetic tape (1). With this configuration, the lubricant supplier (10) can appropriately supply lubricant during recording/reproduction even to the magnetic tape (1) used in a magnetic recording/reproduction device that needs to keep continuously operating for a long time.
摘要翻译：提供了一种磁记录/再现装置，即使当磁记录/再现装置需要连续执行记录/再现装置时，也可以在记录/再现表面中适当地向不含粘合剂的金属薄膜磁带（1）供应润滑剂，通过使用磁带（1）长时间再现。磁记录/再现装置包括在磁头（2）在磁带（1）上进行记录/再现的同时向磁带（1）供应润滑剂的润滑剂供应器（10）。通过这样的结构，润滑剂供给装置10也可以适用于在需要长时间保持连续运转的磁记录/再现装置中使用的磁带（1）中记录/再现期间的润滑剂。

9. 发明授权

US06833975B2 Perpendicular magnetic recording medium and apparatus including a soft magnetic layer, an at least 20 nm thick non-magnetic layer, and a 50-90 nm gap length 失效
标题翻译：垂直磁记录介质和包括软磁层，至少20nm厚非磁性层和50-90nm间隙长度的装置
公开(公告)号：US06833975B2
公开(公告)日：2004-12-21
申请号：US10212239
申请日：2002-08-06
申请人： Toshio Fukazawa , Masaya Sakaguchi , Akira Ahagon
发明人： Toshio Fukazawa , Masaya Sakaguchi , Akira Ahagon
IPC分类号： G11B5127
CPC分类号： B82Y25/00 , B82Y10/00 , G11B5/00 , G11B5/3909 , G11B5/3925 , G11B5/667 , G11B5/7325 , G11B5/74 , G11B2005/0016 , G11B2005/0029 , G11B2005/3996 , Y10T428/12465 , Y10T428/12986 , Y10T428/26 , Y10T428/265
摘要： In accordance with the present invention, in a magnetic recording medium for perpendicular magnetic recording, a recording characteristic which is not inferior to that of double-layer medium and a resolution of reproduction which is not inferior to that of single layer medium are provided. On a non-magnetic substrate, a soft magnetic layer for increasing a perpendicular component of recording magnetic field in a perpendicular magnetic recording layer is formed. A non-magnetic layer for suppressing extension of signal magnetic field loop from recording magnetization in the perpendicular magnetic recording layer is formed on the soft magnetic layer. The perpendicular magnetic recording layer is formed on the non-magnetic layer. The non-magnetic layer has a thickness required to effectively reduce the signal magnetic field loop. The required thickness exceeds 20 nm.
摘要翻译：根据本发明，在用于垂直磁记录的磁记录介质中，提供了不劣于双层介质的记录特性和不劣于单层介质的再现分辨率的记录特性。在非磁性基板上形成用于增加垂直磁记录层中记录磁场的垂直分量的软磁性层。在软磁性层上形成用于抑制信号磁场回路在垂直磁记录层中记录磁化的扩展的非磁性层。垂直磁记录层形成在非磁性层上。非磁性层具有有效降低信号磁场回路所需的厚度。所需的厚度超过20nm。

10. 发明授权

US06493194B1 Thin film magnetic head 有权
标题翻译：薄膜磁头
公开(公告)号：US06493194B1
公开(公告)日：2002-12-10
申请号：US09539051
申请日：2000-03-30
申请人： Masaya Sakaguchi , Hiroyasu Tsuji , Satoru Mitani , Tadashi Kimura , Hiroyoshi Sekiguchi
发明人： Masaya Sakaguchi , Hiroyasu Tsuji , Satoru Mitani , Tadashi Kimura , Hiroyoshi Sekiguchi
IPC分类号： G11B5127
CPC分类号： G11B5/3903 , G11B5/3932
摘要： A thin film magnetic head which includes a magnetoresistive layer selectively formed; a magnetic bias layer sandwiching said magnetoresistive layer; a pair of leads for detecting magnetic resistance; and a cap layer formed under the lead between the magnetoresistive layer. This configuration enables to accurately specify a magnetic response region by both ends of the cap layers, concentrating the current from the lead onto the magnetic response region through a tip of the cap layer for improving a S/N ratio.
摘要翻译：一种薄膜磁头，其包括选择性地形成的磁阻层; 夹着所述磁阻层的磁偏置层; 用于检测磁阻的一对引线; 以及形成在磁阻层之下的引线下方的盖层。该配置能够通过盖层的两端精确地指定磁响应区域，通过盖层的顶端将电流从引线集中到磁响应区域，以提高S / N比。

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