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31. 发明申请

US20080239542A1 Magnetic recording head and magnetic recording method 有权
标题翻译：磁记录头和磁记录方法
公开(公告)号：US20080239542A1
公开(公告)日：2008-10-02
申请号：US12076440
申请日：2008-03-18
申请人： Hiromi Yuasa , Tomoko Taguchi , Hideaki Fukuzawa
发明人： Hiromi Yuasa , Tomoko Taguchi , Hideaki Fukuzawa
IPC分类号： G11B5/02
CPC分类号： G11B5/314 , G11B5/02 , G11B5/1278 , G11B5/3163 , G11B2005/0002
摘要： A magnetic recording head includes: a main magnetic pole containing a ferromagnetic layer; a main magnetic pole-magnetization fixing portion containing an antiferromagnetic layer in contact with at least one side surface of the main magnetic pole; a heater for heating at least the main magnetic pole so that a magnetic interaction between the main magnetic pole and the main magnetic pole-magnetization fixing portion can be decreased; and a magnetic field generator for generating a magnetic field so as to direct a magnetization of the main magnetic pole in one direction.
摘要翻译：磁记录头包括：含有铁磁层的主磁极; 主磁极固定部，其包含与所述主磁极的至少一个侧面接触的反铁磁层; 用于加热至少主磁极的加热器，使得能够减小主磁极和主磁极固定部之间的磁相互作用; 以及用于产生磁场以引导主磁极在一个方向上的磁化的磁场发生器。

32. 发明授权

US07394620B2 Perpendicular magnetic recording head and magnetic disc apparatus 有权
标题翻译：垂直磁记录头和磁盘装置
公开(公告)号：US07394620B2
公开(公告)日：2008-07-01
申请号：US10804022
申请日：2004-03-19
申请人： Tomoko Taguchi
发明人： Tomoko Taguchi
IPC分类号： G11B5/127
CPC分类号： G11B5/1278 , G11B5/3116
摘要： A magnetic disc apparatus includes a double layered perpendicular recording medium including a soft magnetic underlayer and a perpendicular recording layer, which are formed on a substrate, and a perpendicular magnetic recording head including a main pole generating a recording magnetic field in a perpendicular direction, and an auxiliary pole connected to the main pole on a trailing side to the main pole and having a multilayered structure in which a nonmagnetic layer is sandwiched between magnetic layers.
摘要翻译：磁盘装置包括形成在基板上的包括软磁性底层和垂直记录层的双层垂直记录介质和包括在垂直方向上产生记录磁场的主极的垂直磁记录头，以及辅助极在主极的后侧连接到主极，并且具有多层结构，其中非磁性层夹在磁性层之间。

33. 发明申请

US20070285688A1 Color gamut contour creating system 审中-公开
标题翻译：色域轮廓创建系统
公开(公告)号：US20070285688A1
公开(公告)日：2007-12-13
申请号：US11638355
申请日：2006-12-14
申请人： Ryosuke Higashikata , Tomoko Taguchi , Kiyoshi Une
发明人： Ryosuke Higashikata , Tomoko Taguchi , Kiyoshi Une
IPC分类号： G03F3/08
CPC分类号： H04N1/6058
摘要： The present invention provides a color gamut contour creating device that includes a color gamut contour creating component and a color gamut contour smoothing component. The color gamut contour creating component generates color gamut contour data representing a color gamut contour of a color reproducing range in a preset color space of an output side device. The color gamut contour smoothing component generates smoothed color gamut contour data of the color gamut contour where the color gamut contour is smoothed based on the color gamut contour data.
摘要翻译：本发明提供了一种色域轮廓创建装置，其包括色域轮廓创建部件和色域轮廓平滑部件。色域轮廓创建部件生成表示输出侧装置的预设色彩空间中的色彩再现范围的色域轮廓的色域轮廓数据。色域轮廓平滑分量产生色域轮廓的平滑色域轮廓数据，其中根据色域轮廓数据平滑色域轮廓。

34. 发明申请

US20060002017A1 Perpendicular magnetic recording apparatus having discrete track media 审中-公开
标题翻译：具有离散轨道介质的垂直磁记录装置
公开(公告)号：US20060002017A1
公开(公告)日：2006-01-05
申请号：US11169299
申请日：2005-06-29
申请人： Tomoko Taguchi , Tsutomu Tanaka
发明人： Tomoko Taguchi , Tsutomu Tanaka
IPC分类号： G11B5/127
CPC分类号： G11B5/1278
摘要： A perpendicular magnetic recording apparatus has a discrete track media including a substrate and a soft magnetic layer and a perpendicular recording layer formed on the substrate, the perpendicular recording layer including guard bands magnetically separating recording tracks from one another on the surface thereof, and a magnetic head including a main pole, an auxiliary yoke, and a coil. The main pole is adapted to have a shape on the air bearing surface satisfying a condition that a length of a line segment which is formed by projecting a side of the main pole along a head traveling direction onto a straight line perpendicular to the head traveling direction is smaller than a width of each of the guard bands in the discrete track media even when the main pole is positioned on any recording track of the discrete track media.
摘要翻译：垂直磁记录装置具有包括衬底和软磁层的离散轨道介质和形成在衬底上的垂直记录层，垂直记录层包括在其表面上将记录磁道彼此磁性分离的保护带，头包括主杆，辅助轭和线圈。主极适于具有在空气轴承表面上的形状，其满足以下条件：通过沿着头行进方向将主极的一侧突出到垂直于头行进方向的直线上形成的线段的长度即使当主极位于离散轨道介质的任何记录轨道上时，也小于离散轨道介质中每个保护带的宽度。

35. 发明授权

US5680283A Magnetic head and magnetic disk drive 失效
标题翻译：磁头和磁盘驱动器
公开(公告)号：US5680283A
公开(公告)日：1997-10-21
申请号：US523966
申请日：1995-09-06
申请人： Tsutomu Tanaka , Tomoko Taguchi , Yoichiro Tanaka
发明人： Tsutomu Tanaka , Tomoko Taguchi , Yoichiro Tanaka
IPC分类号： G11B5/00 , G11B5/012 , G11B5/10 , G11B5/127 , G11B5/187 , G11B5/48 , G11B5/60
CPC分类号： G11B5/012 , G11B5/10 , G11B5/1278 , G11B5/1871 , G11B5/4886 , G11B2005/0029 , G11B5/6011
摘要： A ratio tW/pL of a track width tW to a width pL of an end face, in a traveling direction, of a main pole which performs recording or reproduction on or from the magnetic recording layer of a medium, and a saturation magnetic flux density Bs. (T: tesla) of a magnetic material constituting the main pole satisfy: (A.sub.1 .times.Bs+B.sub.1).sup.2 +C.sub.1 .ltoreq.tW/pL.ltoreq.(A.sub.2 .times.Bs+B.sub.2).sup.2 +C.sub.2 for A.sub.1 =4.3.times..delta.+0.4, B.sub.1 =-16.2.times..delta.-0.3, C.sub.1 =2.2.times..delta.+0.3, A.sub.2 =378.times..delta..sup.2 -66.times..delta.+4.2, B.sub.2 =264.times..delta..sup.2 -43.times..delta.+2.1, and C.sub.2 =9.times..delta.-2.5 where .delta. (.mu.m) is a distance from the end face of the main pole to the soft magnetic under layer.
摘要翻译：磁道宽度tW与在介质的磁记录层上进行记录或再现的主极的行进方向的端面的宽度pL的比tW / pL以及饱和磁通密度 Bs。构成主极的磁性材料的（T：特斯拉）满足：（A1xBs + B1）2 + C1

36. 发明授权

US08605386B1 Magnetic recording head, head gimbal assembly with the same, and disk drive 有权
标题翻译：磁记录头，头万向架组件与磁盘驱动器相同
公开(公告)号：US08605386B1
公开(公告)日：2013-12-10
申请号：US13689097
申请日：2012-11-29
申请人： Masaya Ohtake , Tomoko Taguchi
发明人： Masaya Ohtake , Tomoko Taguchi
IPC分类号： G11B5/31
CPC分类号： G11B5/3116 , G11B5/3123
摘要： According to one embodiment, a magnetic recording head in a magnetic disk drive with a recording medium includes a magnetic core including a plurality of magnetic poles which form a closed magnetic path, and a recording coil wound around a part of the magnetic core and produces a magnetic field to the magnetic core. The magnetic core includes a write gap formed of a nonmagnetic material in a disk-facing surface of the recording head, a magnetic gap portion located at a position off from the disk-facing surface and magnetically isolated, and a nonmagnetic material in the at least one magnetic gap portion. The recording coil is wound around the nonmagnetic material in the magnetic gap portion.
摘要翻译：根据一个实施例，具有记录介质的磁盘驱动器中的磁记录头包括：磁芯，其包括形成闭合磁路的多个磁极;以及缠绕在磁芯的一部分上的记录线圈，磁场到磁芯。磁芯包括由记录头的面向盘的表面中的非磁性材料形成的写入间隙，位于离开盘的表面并且被磁隔离的位置的磁隙部分，以及至少在非磁性材料中的非磁性材料一个磁隙部分。记录线圈缠绕在磁隙部分中的非磁性材料上。

37. 发明授权

US08508885B2 Magnetic head comprising pole including nonmagnetic layer and disk drive with the same 有权
标题翻译：磁头包括极包括非磁性层和磁盘驱动器
公开(公告)号：US08508885B2
公开(公告)日：2013-08-13
申请号：US13218196
申请日：2011-08-25
申请人： Takuya Matsumoto , Tomoko Taguchi , Masayuki Takagishi
发明人： Takuya Matsumoto , Tomoko Taguchi , Masayuki Takagishi
IPC分类号： G11B5/127 , G11B5/187
CPC分类号： G11B5/3146 , G11B5/314 , G11B2005/0024
摘要： According to one embodiment, a magnetic head includes a main pole configured to apply a recording magnetic field, a return pole opposed to a trailing side of the main pole across a write gap and configured to return magnetic flux from the main pole, a coil configured to excite magnetic flux in the main pole, a spin-torque oscillator located between respective facing surfaces of the return pole and an end portion of the main pole on the recording-medium side and configured to produce a high-frequency magnetic field, a current source configured to apply current to the spin-torque oscillator through the return and main poles, and a nonmagnetic layer provided in at least one of the poles and extending from a facing surface of the at least one of the poles, which faces the spin-torque oscillator, in a direction across the facing surface.
摘要翻译：根据一个实施例，磁头包括被配置为施加记录磁场的主极，跨越写入间隙与主极的后侧相对的返回极，并且被配置为从主极返回磁通量，线圈配置激励主极中的磁通量，位于回转极的相应相对表面和记录介质侧的主极的端部之间的自旋扭矩振荡器，并且被配置为产生高频磁场，电流源极，被配置为通过返回和主极将电流施加到自旋扭矩振荡器;以及设置在至少一个极上的非磁性层，并且从面对旋转轴的至少一个极的面向表面延伸，扭矩振荡器在朝向相对表面的方向上。

38. 发明申请

US20130176837A1 MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING AND REPRODUCING SAME 有权
标题翻译：磁记录头和磁记录和再现
公开(公告)号：US20130176837A1
公开(公告)日：2013-07-11
申请号：US13419397
申请日：2012-03-13
申请人： Toshiyuki Ikai , Hiroshi Isokawa , Masaya Ohtake , Tomoko Taguchi
发明人： Toshiyuki Ikai , Hiroshi Isokawa , Masaya Ohtake , Tomoko Taguchi
IPC分类号： G11B11/00
CPC分类号： G11B5/1278 , G11B5/3136 , G11B5/314 , G11B2005/0021
摘要： According to one embodiment, there is provided a magnetic recording head which records information on a magnetic recording medium, including an ABS surface, a near-field light generating unit, a heat conducting unit, and a heat absorbing unit. The ABS surface is opposed to the magnetic recording medium. The near-field light generating unit is disposed on the ABS surface. The heat conducting unit is formed by a heat conductor disposed in contact with the near-field light generating unit. The heat absorbing unit is disposed in contact with the heat conducting unit adjacently to the near-field light generating unit in a direction along the ABS surface.
摘要翻译：根据一个实施例，提供了一种在包括ABS表面，近场光产生单元，导热单元和吸热单元的磁记录介质上记录信息的磁记录头。 ABS表面与磁记录介质相对。近场光产生单元设置在ABS表面上。导热单元由与近场光产生单元接触设置的导热体形成。吸热单元与沿着ABS表面的方向与近场光产生单元相邻地与导热单元接触。

39. 发明授权

US08284518B2 Magnetic recording head 有权
标题翻译：磁记录头
公开(公告)号：US08284518B2
公开(公告)日：2012-10-09
申请号：US13472314
申请日：2012-05-15
申请人： Hiromi Yuasa , Tomoko Taguchi , Hideaki Fukuzawa
发明人： Hiromi Yuasa , Tomoko Taguchi , Hideaki Fukuzawa
IPC分类号： G11B5/31 , G11B5/465
CPC分类号： G11B5/314 , G11B5/02 , G11B5/1278 , G11B5/3163 , G11B2005/0002
摘要： An example magnetic recording head includes a main magnetic pole containing a ferromagnetic layer and a main magnetic pole-magnetization fixing portion containing an anti-ferromagnetic layer in contact with at least one side surface of the main magnetic pole. A heater for the main magnetic pole is configured so as to include an oxide layer with a metal path therein embedded in or provided in the vicinity of the main magnetic pole-magnetization fixing portion and a pair of electrodes, provided in the vicinity of the oxide layer, for flowing a current parallel to a surface of a recording medium through the metal path. A magnetic field generator generates a magnetic field so as to direct a magnetization of the main magnetic pole in one direction.
摘要翻译：示例性的磁记录头包括含有铁磁层的主磁极和包含与主磁极的至少一个侧表面接触的反铁磁层的主磁极固定部分。用于主磁极的加热器被构造成包括其中嵌入或设置在主磁极固定部分附近的金属路径的氧化物层和设置在氧化物附近的一对电极层，用于通过金属路径流动平行于记录介质的表面的电流。磁场发生器产生磁场，以便在一个方向上引导主磁极的磁化。

40. 发明授权

US08274757B2 Recording head and disk drive with the same 失效
标题翻译：记录头和磁盘驱动器相同
公开(公告)号：US08274757B2
公开(公告)日：2012-09-25
申请号：US13224858
申请日：2011-09-02
申请人： Takuya Matsumoto , Tomoko Taguchi , Masaya Ohtake
发明人： Takuya Matsumoto , Tomoko Taguchi , Masaya Ohtake
IPC分类号： G11B5/31
CPC分类号： G11B5/3123 , G11B5/1278 , G11B5/17 , G11B5/3116 , G11B5/315
摘要： According to one embodiment, a recording head includes a main pole, a trailing core, a first coil wound around the trailing core, a leading core, and a second coil wound around the leading core. The trailing core includes a return pole opposed to a trailing side of the main pole with a write gap therebetween, and side shields arranged individually on opposite sides of the main pole transversely relative to tracks and magnetically separated from the main pole at a distance not more than double a track pitch of the recording medium. The leading core includes a junction opposed to a leading side of the main pole with a gap therebetween and joined to the side shields with a width of 20 μm or less transversely relative to the tracks and a connecting portion joined to the main pole in a position off the recording medium.
摘要翻译：根据一个实施例，记录头包括主极，后芯，围绕后芯缠绕的第一线圈，引导芯和缠绕在引导芯上的第二线圈。牵引芯包括与主极的后侧相对的返回极，其间具有写入间隙，并且侧屏蔽分别相对于轨道横向地布置在主极的相对侧上，并且与主极磁性分离不远比记录介质的轨道间距翻倍。引线芯包括与主极的前导面相对的接合部，其间具有间隙，并且相对于轨道横向地与宽度为20μm或更小的侧面屏蔽件接合，并且连接部分连接到主极位置关闭记录介质。

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