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31. 发明授权

US08031427B2 Method of servo writing, method of compensating phase mismatch of servo pattern and hard disk drive on which the methods are implemented 失效
标题翻译：伺服写入方法，补偿伺服模式和硬盘驱动器相位失配的方法
公开(公告)号：US08031427B2
公开(公告)日：2011-10-04
申请号：US12483330
申请日：2009-06-12
申请人： Yong-su Kim , Jae-chul Shim , Cheol-soon Kim
发明人： Yong-su Kim , Jae-chul Shim , Cheol-soon Kim
IPC分类号： G11B21/02 , G11B5/596 , G11B5/09
CPC分类号： G11B5/59644
摘要： A method of servo writing for each track of a magnetic recording medium divided into a plurality of circular tracks including performing a phase adjustment operation by controlling a phase of a recording current according to a skew angle formed by a magnetic head and a track of the magnetic recording medium, and writing a servo pattern when the magnetic recording medium is magnetized using a magnetic head so as to have a magnetized pattern corresponding to a servo pattern.
摘要翻译：一种用于分割成多个圆形轨迹的磁记录介质的每个轨道的伺服写入的方法，包括通过根据由磁头和磁道的轨道形成的倾斜角来控制记录电流的相位来执行相位调整操作记录介质，并且当使用磁头磁化磁记录介质以便具有对应于伺服图案的磁化图案时，写入伺服图案。

32. 发明授权

US07990645B2 Magnetic recording apparatus 失效
标题翻译：磁记录装置
公开(公告)号：US07990645B2
公开(公告)日：2011-08-02
申请号：US12054728
申请日：2008-03-25
申请人： Yong-su Kim
发明人： Yong-su Kim
IPC分类号： G11B5/09
CPC分类号： G11B5/59688 , G11B5/59655
摘要： Provided is a magnetic recording apparatus including a magnetic recording medium having a magnetic recording position patterned of a magnetic substance and a read head reading information from the magnetic recording medium, wherein the magnetic recording medium includes: a data area having the magnetic recording position patterned including a plurality of data tracks; and a servo area including a servo burst for tracking the data tracks, wherein the servo burst includes a plurality of bursts deviating from one another in a downtrack direction, and a width of each of the bursts is equal to or greater than a width of the read head and narrower than twice the width of the read head. According to this structure, although data is reproduced using a read head having a greater width than a width of each of data tracks, a linear section in which an output voltage is reduced depending on a size of an off-track is formed. As a result, a dead zone can be removed.
摘要翻译：本发明提供一种磁记录装置，包括磁记录介质，磁记录介质具有图形化的磁性物质和从磁记录介质读取信息的磁头，其中磁记录介质包括：具有磁记录位置图形化的数据区，包括多个数据轨道; 以及包括用于跟踪数据轨道的伺服脉冲串的伺服区域，其中所述伺服脉冲串包括在倾斜方向上彼此偏离的多个脉冲串，并且每个脉冲串的宽度等于或大于读头并且窄于读头宽度的两倍。根据该结构，虽然使用宽度大于数据磁道的宽度的读头来再现数据，但是形成其中输出电压根据偏离磁道的尺寸减小的线性部分。因此，可以去除死区。

33. 发明授权

US07948707B2 Magnetic recording medium, method of recording servo pattern on magnetic recording medium, and magnetic head 失效
标题翻译：磁记录介质，在磁记录介质上记录伺服图案的方法和磁头
公开(公告)号：US07948707B2
公开(公告)日：2011-05-24
申请号：US11937269
申请日：2007-11-08
申请人： Yong-su Kim
发明人： Yong-su Kim
IPC分类号： G11B5/596
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/59688 , G11B5/743
摘要： A magnetic recording medium includes a disk substrate and a magnetic recording layer formed on one surface or both surfaces of the disk substrate. The magnetic recording layer includes at least one pattern area forming a plurality of data tracks in which a position for magnetic recording is patterned with a magnetic body and at least one continuous area formed of a continuous magnetic body, and at least a part of a servo pattern for following the data track is recorded in the continuous area. A method of recording a servo pattern on a magnetic recording medium includes determining a center position of the data track and a start position of the continuous area and recording a servo pattern for following the data track in the continuous area with respect to center position of the data track and the start position of the continuous area. A magnetic head for recording a servo pattern on a magnetic recording medium includes a data writing head for recording data, a servo writing head for recording the servo pattern, and a reading head for reproducing the data.
摘要翻译：磁记录介质包括形成在盘基片的一个表面或两个表面上的盘基片和磁记录层。磁记录层包括形成多个数据磁道的至少一个图形区域，其中磁记录位置用磁体图案化，以及由连续磁体形成的至少一个连续区域，以及伺服机构的至少一部分跟踪数据轨迹的模式记录在连续区域中。一种在磁记录介质上记录伺服图案的方法包括：确定数据磁道的中心位置和连续区域的开始位置，并记录与数据磁道相关的连续区域中的跟踪数据磁道的伺服模式数据轨迹和连续区域的起始位置。用于在磁记录介质上记录伺服图案的磁头包括用于记录数据的数据写入头，用于记录伺服图案的伺服写入头和用于再现数据的读取头。

34. 发明申请

US20100220411A1 INFORMATION RECORDING MEDIA, METHOD OF MANUFACTURING THE INFORMATION RECORDING MEDIA, READ/WRITE HEAD, AND METHOD OF MANUFACTURING THE READ/WRITE HEAD 审中-公开
标题翻译：信息记录介质，制造信息记录介质的方法，读/写头和制造读/写头的方法
公开(公告)号：US20100220411A1
公开(公告)日：2010-09-02
申请号：US12781228
申请日：2010-05-17
申请人： Hyun jei Kim , Yong-su Kim , Hoon-sang Oh , Hoo-san Lee
发明人： Hyun jei Kim , Yong-su Kim , Hoon-sang Oh , Hoo-san Lee
IPC分类号： G11B5/127
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/02 , G11B5/314 , G11B5/3967 , G11B5/74 , G11B5/743 , G11B5/855 , G11B9/02 , G11B2005/0002
摘要： An information recording medium, a method of manufacturing the information recording medium, a read/write head, and a method of manufacturing the read/write head are provided. The information recording medium includes magnetic recording layers formed of a ferromagnetic substance and electrical recording layers formed of a ferroelectric substance. The read/write head includes an electromagnetic write head including a main pole, a return pole magnetically connected to the main pole but electrically isolated from the main pole, a magnetic field applicator which applies a magnetic field to the main pole, and a voltage source which applies a bias voltage to the main pole; a magnetic read head provided an a side of the electromagnetic write head; and an electrical read head provided on an other side of the electromagnetic write head.
摘要翻译：提供信息记录介质，制造信息记录介质的方法，读/写头以及制造读/写头的方法。信息记录介质包括由铁磁物质形成的磁记录层和由铁电物质形成的电记录层。读/写头包括电磁写入头，其包括主极，磁极连接到主极但与主极电隔离的返回极，向主极施加磁场的磁场施加器，以及电压源其对主极施加偏置电压; 磁读头提供电磁写头的一侧; 以及设置在电磁写入头的另一侧的电读取头。

35. 发明申请

US20080080092A1 Data storage device using magnetic domain wall movement and method of operating the data storage device 有权
标题翻译：使用磁畴壁移动的数据存储设备和操作数据存储设备的方法
公开(公告)号：US20080080092A1
公开(公告)日：2008-04-03
申请号：US11730469
申请日：2007-04-02
申请人： Yong-su Kim
发明人： Yong-su Kim
IPC分类号： G11B5/127
CPC分类号： G11B5/255 , G11C11/14 , G11C19/0841 , Y10S977/933 , Y10S977/935
摘要： Provided are a data storage device using magnetic domain wall movement and a method of operating the same. The data storage device includes a magnetic layer having a plurality of magnetic domains, a write head provided at an end portion of the magnetic layer, a read head to read data written to the magnetic layer, and a current controller connected to the write head and the read head. The method of operating the data storage device includes reading data of an end portion of the magnetic layer using a read head provided at the end portion of the magnetic layer in which a write head is provided at the other end portion thereof, moving a magnetic domain wall of the magnetic layer by a distance corresponding to the length of one magnetic domain toward the end portion, and writing the read data to the other end portion of the magnetic layer using the write head and a current controller provided between the write head and the read head.
摘要翻译：提供了使用磁畴壁移动的数据存储装置及其操作方法。数据存储装置包括具有多个磁畴的磁性层，设置在磁性层的端部的写入头，用于读取写入到磁性层的数据的读取头以及连接到写入头的电流控制器，读头。操作数据存储装置的方法包括使用设置在其另一端部设置有写入头的磁性层的端部的读取头读取磁性层的端部的数据，使磁畴移动所述磁性层的壁与所述端部的一个磁畴的长度相对应，并且使用所述写入头将读取的数据写入所述磁性层的另一端部，以及设置在所述写入头与所述磁头之间的电流控制器读头

36. 发明申请

US20070183101A1 Magnetoresistance device including diffusion barrier layer 审中-公开
标题翻译：磁阻装置包括扩散阻挡层
公开(公告)号：US20070183101A1
公开(公告)日：2007-08-09
申请号：US11655936
申请日：2007-01-22
申请人： Seong-yong Yoon , Jae-cheol Lee , Yong-su Kim , Hoon-sang Oh
发明人： Seong-yong Yoon , Jae-cheol Lee , Yong-su Kim , Hoon-sang Oh
IPC分类号： G11B5/33 , G11B5/127
CPC分类号： G11C11/16 , B82Y25/00 , G01R33/093 , G11B5/3929
摘要： A magnetoresistance device that has a substrate, an underlayer, a magnetoresistance structure, and a diffusion barrier layer is provided. The underlayer is formed on top of the substrate. The magnetoresistance structure is formed on top of the underlayer. The diffusion barrier layer is formed between the underlayer and the magnetoresistance structure.
摘要翻译：提供了具有基板，底层，磁阻结构和扩散阻挡层的磁阻器件。底层形成在基板的顶部。磁阻结构形成在底层的顶部。扩散阻挡层形成在底层和磁阻结构之间。

37. 发明申请

US20070035885A1 Perpendicular magnetic recording head and method of manufacturing the same 审中-公开
标题翻译：垂直磁记录头及其制造方法
公开(公告)号：US20070035885A1
公开(公告)日：2007-02-15
申请号：US11503297
申请日：2006-08-14
申请人： Young-hun Im , Yong-su Kim , No-yeol Park , Hoon-sang Oh
发明人： Young-hun Im , Yong-su Kim , No-yeol Park , Hoon-sang Oh
IPC分类号： G11B5/33
CPC分类号： G11B5/3116 , G11B5/11 , G11B5/112 , G11B5/1278 , G11B5/3146
摘要： A perpendicular magnetic head for recording a perpendicular magnetic recording medium is provided. The perpendicular magnetic head includes a main pole; a return pole, which has at least an end separated from the main pole; and a plurality of shields that surround the main pole and have a split structure.
摘要翻译：提供用于记录垂直磁记录介质的垂直磁头。垂直磁头包括主极; 一个返回杆，至少有一个与主杆分开的端部; 以及围绕主极并具有分割结构的多个屏蔽。

38. 发明申请

US20060215318A1 Magnetic recording head and method of manufacturing the same 审中-公开
标题翻译：磁记录头及其制造方法
公开(公告)号：US20060215318A1
公开(公告)日：2006-09-28
申请号：US11387928
申请日：2006-03-24
申请人： Hoo-san Lee , Yong-su Kim
发明人： Hoo-san Lee , Yong-su Kim
IPC分类号： G11B5/147
CPC分类号： G11B5/1278 , G11B5/3163
摘要： A magnetic recording head and a method of manufacturing the same are provided. The magnetic recording head has a stacked structure including a main pole and a return pole. The stacked structure includes a first insulation layer having a stepped portion on one surface, a first magnetic portion having a shape of a vertical thin film that contacts a riser of the stepped portion, and a second magnetic layer disposed to be insulated from the first magnetic portion. The method of manufacturing the magnetic recording head includes forming the first insulation layer having a stepped portion on one surface, forming a magnetic thin film on the first insulation layer along the stepped portion, and forming the main pole by etching the magnetic thin film during a predetermined period of time until only a vertical thin film portion of the magnetic thin film that contacts a riser of the stepped portion remains.
摘要翻译：提供磁记录头及其制造方法。磁记录头具有包括主极和返回极的堆叠结构。层叠结构包括：在一个表面上具有阶梯部分的第一绝缘层，具有与台阶部分的提升管接触的垂直薄膜形状的第一磁性部分和与第一磁性体绝缘的第二磁性层一部分。制造磁记录头的方法包括在一个表面上形成具有阶梯部分的第一绝缘层，沿着阶梯部分在第一绝缘层上形成磁性薄膜，并且在一段时间内通过蚀刻磁性薄膜形成主极直到只剩下与阶梯部分的提升管接触的磁性薄膜的垂直薄膜部分为止。

39. 发明申请

US20060209459A1 Perpendicular magnetic recording head and recording medium for recording data using the same 审中-公开
标题翻译：垂直磁记录头和用于记录数据的记录介质
公开(公告)号：US20060209459A1
公开(公告)日：2006-09-21
申请号：US11378354
申请日：2006-03-20
申请人： Young-hun Im , Yong-su Kim , Hoon-sang Oh
发明人： Young-hun Im , Yong-su Kim , Hoon-sang Oh
IPC分类号： G11B5/147
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/66 , G11B2005/0029
摘要： A perpendicular magnetic recording head and a recording medium for recording data using the same. The perpendicular magnetic recording head includes: a main pole whose lower end has a predetermined width t1; a return pole whose upper end is connected to the main pole and whose lower end is separated from the lower end of the main pole by a predetermined gap g 1; a sub yoke whose lower end is recessed by a predetermined depth d1 in the upward direction from the lower end of the main pole; a coil wrapped around the main pole and the sub yoke; magnetic shield layers; and a reading device located between the magnetic shield layers, wherein a ratio (d1/t1) of the recess depth d1 to the width t1 is less than or equal to 6.
摘要翻译：垂直磁记录头和用于使用其记录数据的记录介质。垂直磁记录头包括：下端具有预定宽度t 1的主极; 上端与主极连接并且其下端与主极的下端分开预定间隙g 1的返回极; 子轭，其下端从主极的下端向上方凹入预定深度d 1; 缠绕在主极和子轭上的线圈; 磁屏蔽层; 以及位于所述磁屏蔽层之间的读取装置，其中所述凹陷深度d 1与宽度t 1的比率（d 1 / t 1）小于或等于6。

40. 发明申请

US20060103977A1 Magnetic recording head 失效
标题翻译：磁记录头
公开(公告)号：US20060103977A1
公开(公告)日：2006-05-18
申请号：US11196412
申请日：2005-08-04
申请人： Hoo-san Lee , Young-hun Im , Yong-su Kim
发明人： Hoo-san Lee , Young-hun Im , Yong-su Kim
IPC分类号： G11B5/147
CPC分类号： G11B5/147
摘要： A magnetic recording head includes a return pole, a writing pole spaced a predetermined distance from the return pole, an induction writing coil forming a magnetic field on the writing pole, and a writing pole shield formed on the same plane as the writing pole.
摘要翻译：磁记录头包括一个返回极，与返回极间隔预定距离的一个写入极，一个在写入极上形成一个磁场的感应写入线圈，和一个形成在与写入极相同的平面上的写入磁极屏蔽。

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