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41. 发明申请

US20070188921A1 Magnetic head and magnetic disk storage apparatus mounting the head 有权
标题翻译：安装磁头的磁头和磁盘存储装置
公开(公告)号：US20070188921A1
公开(公告)日：2007-08-16
申请号：US11707804
申请日：2007-02-15
申请人： Masafumi Mochizuki , Kimitoshi Etoh , Yoji Maruyama , Hiroshi Fukui
发明人： Masafumi Mochizuki , Kimitoshi Etoh , Yoji Maruyama , Hiroshi Fukui
IPC分类号： G11B5/147
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/1871 , G11B5/3163
摘要： Embodiments in accordance with the present invention provide a magnetic head in which broadening of the effective track width can be decreased without reducing the write-field intensity and a variation of the track width can be decreased. A main pole consists of a pole tip having a part which provides the write track-width and a yoke part recessed from the air beating surface in the element height direction, and the pole tip consists of a pole tip at the trailing side where the width in the track-width direction is large and a pole tip at the leading side where the width in the track width direction is small. Moreover, the throat height of the pole tip at the trailing side is made greater than the throat height of the pole tip at the leading side.
摘要翻译：根据本发明的实施例提供一种磁头，其中可以在不降低写入场强度的情况下降低有效磁道宽度的扩大，并且可以减小磁道宽度的变化。主极包括具有提供写入轨道宽度的部分的极尖和在元件高度方向上从空气打浆表面凹陷的轭部，并且极尖由在后侧的极尖组成，其中宽度在轨道宽度方向上较大，并且在轨道宽度方向上的宽度小的前端的极尖。此外，使尾端在后侧的喉部高度大于前端的极尖的喉部高度。

42. 发明申请

US20060092575A1 Magnetic head and magnetic disk storage apparatus mounting the same 失效
标题翻译：安装磁头和磁盘存储装置
公开(公告)号：US20060092575A1
公开(公告)日：2006-05-04
申请号：US10976720
申请日：2004-10-29
申请人： Masafumi Mochizuki , Kaori Suzuki , Kimitoshi Etoh
发明人： Masafumi Mochizuki , Kaori Suzuki , Kimitoshi Etoh
IPC分类号： G11B5/33 , G11B5/127
CPC分类号： G11B5/1278 , G11B5/265 , G11B5/312 , G11B5/3143 , G11B5/3967
摘要： Embodiments of the invention provide a magnetic head which assures an improved format efficiency without increase in the magnetic field intensity applied at a read element. In one embodiment, a magnetic head incorporates a write head having a main pole and an auxiliary pole, and a read head having a read element between reader shields. An auxiliary shield as a magnetic body is provided between the main pole and reader shields or on the opposite side of the main pole with the reader shields between the main pole and the auxiliary shield.
摘要翻译：本发明的实施例提供了一种磁头，其确保了在读取元件处施加的磁场强度的增加而不会增加格式效率。在一个实施例中，磁头包括具有主极和辅助极的写入头，以及在读取器屏蔽之间具有读取元件的读取头。在主极和读取器屏蔽之间或主极的相对侧上设置有作为磁体的辅助屏蔽，读取器屏蔽在主极和辅助屏蔽之间。

43. 发明申请

US20050141142A1 Magnetic recording head and magnetic disk storage apparatus mounting the magnetic head 失效
标题翻译：安装磁头的磁记录头和磁盘存储装置
公开(公告)号：US20050141142A1
公开(公告)日：2005-06-30
申请号：US11014025
申请日：2004-12-15
申请人： Masafumi Mochizuki , Kaori Suzuki , Kimitoshi Etoh
发明人： Masafumi Mochizuki , Kaori Suzuki , Kimitoshi Etoh
IPC分类号： G11B5/31 , G11B5/127 , G11B5/33 , G11B5/39
CPC分类号： G11B5/127 , G11B5/33
摘要： Embodiments of the invention provide a write head for perpendicular recording in which the magnetic field intensity applied at a read element is reduced with larger write-field gradients and the distance between a write element and a read element is small. In one embodiment, a pair of magnetic bodies for shielding a read element are provided on the leading and trailing sides of the read element respectively and whichever one of the two shields is the longer in the length from the air bearing surface is shorter than the length up to the back contact position PBK at which a main pole and an auxiliary pole are connected.
摘要翻译：本发明的实施例提供了用于垂直记录的写入头，其中在读取元件处施加的磁场强度随着更大的写入场梯度而减小，并且写入元件和读取元件之间的距离小。在一个实施例中，用于屏蔽读取元件的一对磁体分别设置在读取元件的前侧和后侧，并且两个屏蔽中的任何一个在距空气轴承表面的长度上较长的长度短于长度直到连接主极和辅助极的后接触位置P SUB BK 。

44. 发明申请

US20130335854A1 PERPENDICULAR RECORDING HEAD WITH LEADING BUMP IN THE MAIN POLE HAVING NARROW LEADING GAP (LG) 有权
标题翻译：带有引导带的主要记录头（LG）
公开(公告)号：US20130335854A1
公开(公告)日：2013-12-19
申请号：US13526418
申请日：2012-06-18
申请人： Kimitoshi Etoh , Mikito Sugiyama , Hisashi Kimura , Kazuhiko Hosomi
发明人： Kimitoshi Etoh , Mikito Sugiyama , Hisashi Kimura , Kazuhiko Hosomi
IPC分类号： G11B5/23 , G11B5/235 , G11B21/02
CPC分类号： G11B5/23 , G11B5/1278 , G11B5/3116 , G11B5/3146 , G11B5/315
摘要： In one embodiment, a perpendicular magnetic recording head includes a main magnetic pole; a leading shield below a leading side of the main magnetic pole; a leading gap between the leading shield and the main magnetic pole; a trailing shield above a trailing side of the main magnetic pole; a trailing gap between the trailing shield and the main magnetic pole; and a nonmagnetic leading bump between the main magnetic pole and the leading shield. Additional embodiments are also disclosed.
摘要翻译：在一个实施例中，垂直磁记录头包括主磁极; 在主磁极的前端下方的主导屏蔽; 领先的屏蔽和主磁极之间的领先空间; 在主磁极的后侧上方的后挡板; 后挡板和主磁极之间的拖尾间隙; 以及主磁极和前屏蔽之间的非磁性引导凸块。还公开了另外的实施例。

45. 发明授权

US08351162B2 Magnetic head with electro lapping guide 失效
标题翻译：磁头与电动研磨导轨
公开(公告)号：US08351162B2
公开(公告)日：2013-01-08
申请号：US11192532
申请日：2005-07-29
申请人： Kimitoshi Etoh , Hisashi Kimura , Isao Nunokawa , Tomohiro Okada
发明人： Kimitoshi Etoh , Hisashi Kimura , Isao Nunokawa , Tomohiro Okada
IPC分类号： G11B5/33 , G11B5/147
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/315 , G11B5/3163 , G11B5/3169 , G11B5/3173 , G11B5/3967 , Y10T29/49041
摘要： Embodiments of the invention reduce the throat height of a single pole type head with high accuracy. In one embodiment, a head with an electro lapping guide for controlling a write head's throat height during air bearing surface processing is made. Air bearing surface processing is performed using the electro lapping guide. For a read head, processing is performed using the read head itself or an electro lapping guide for the read head so that both the throat height of write head and the element height of read head are controlled.
摘要翻译：本发明的实施例以高精度降低单极型头部的喉部高度。在一个实施例中，制造具有用于在空气轴承表面处理期间控制写头的喉部高度的电研磨引导件的头部。使用电动研磨导轨执行空气轴承表面处理。对于读头，使用读头本身或读头的电研磨引导件进行处理，以便控制写头的喉部高度和读头的元件高度。

46. 发明授权

US08203803B2 Magnetic recording head for perpendicular recording with wrap around shield, the fabrication process and magnetic disk storage apparatus mounting the magnetic head 失效
标题翻译：用于垂直记录的磁记录头，包围屏蔽，制造过程和安装磁头的磁盘存储装置
公开(公告)号：US08203803B2
公开(公告)日：2012-06-19
申请号：US11254138
申请日：2005-10-18
申请人： Kimitoshi Etoh , Masafumi Mochizuki , Isao Nunokawa , Tomohiro Okada
发明人： Kimitoshi Etoh , Masafumi Mochizuki , Isao Nunokawa , Tomohiro Okada
IPC分类号： G11B5/31 , G11B5/127
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/3136 , G11B5/315
摘要： Embodiments of the invention are directed to narrowing a read/write gap of a perpendicular magnetic head by applying a wrap around shield, data erasing from return pole edges by returning recording field, and reducing TPR of a magnetic material. In one embodiment, the wrap around shields are formed by partitioning and making Gd, which is the height of the shield at the main pole side in the sensor height direction, smaller than the height of the shield connected to the return pole in the sensor height direction.
摘要翻译：本发明的实施例涉及通过施加环绕屏蔽来缩小垂直磁头的读/写间隙，通过返回记录场从返回磁极边缘擦除数据，并降低磁性材料的TPR。在一个实施例中，绕环屏蔽是通过分隔并形成的，Gd是传感器高度方向上的主极侧的屏蔽的高度，小于传感器高度处连接到返回极的屏蔽的高度方向。

47. 发明授权

US07848053B2 Magnetic head and magnetic disk storage apparatus mounting the head 有权
标题翻译：安装磁头的磁头和磁盘存储装置
公开(公告)号：US07848053B2
公开(公告)日：2010-12-07
申请号：US11707804
申请日：2007-02-15
申请人： Masafumi Mochizuki , Kimitoshi Etoh , Yoji Maruyama , Hiroshi Fukui
发明人： Masafumi Mochizuki , Kimitoshi Etoh , Yoji Maruyama , Hiroshi Fukui
IPC分类号： G11B5/147
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/1871 , G11B5/3163
摘要： Embodiments in accordance with the present invention provide a magnetic head in which broadening of the effective track width can be decreased without reducing the write-field intensity and a variation of the track width can be decreased. A main pole consists of a pole tip having a part which provides the write track-width and a yoke part recessed from the air beating surface in the element height direction, and the pole tip consists of a pole tip at the trailing side where the width in the track-width direction is large and a pole tip at the leading side where the width in the track width direction is small. Moreover, the throat height of the pole tip at the trailing side is made greater than the throat height of the pole tip at the leading side.
摘要翻译：根据本发明的实施例提供一种磁头，其中可以在不降低写入场强度的情况下降低有效磁道宽度的扩大，并且可以减小磁道宽度的变化。主极包括具有提供写入轨道宽度的部分的极尖和在元件高度方向上从空气打浆表面凹陷的轭部，并且极尖由在后侧的极尖组成，其中宽度在轨道宽度方向上较大，并且在轨道宽度方向上的宽度小的前端的极尖。此外，使尾端在后侧的喉部高度大于前端的极尖的喉部高度。

48. 发明授权

US07679862B2 Perpendicular recording head with reduced thermal protrusion 失效
标题翻译：垂直记录头具有减少的热突起
公开(公告)号：US07679862B2
公开(公告)日：2010-03-16
申请号：US11274853
申请日：2005-11-14
申请人： Kazuhiro Nakamoto , Kimitoshi Etoh , Masayuki Kurita
发明人： Kazuhiro Nakamoto , Kimitoshi Etoh , Masayuki Kurita
IPC分类号： G11B5/127
CPC分类号： G11B5/314 , G11B5/1278 , G11B5/3136
摘要： Embodiments of the invention secure a sufficiently large magnetic field, and deter a protrusion phenomenon of a perpendicular magnetic recording head, causing a problem in implementing a low flying height, while solving problems such as erasure of information in peripheral tracks. In one embodiment, a main pole or a stacked body made up of the main pole, and an auxiliary pole is deposited over an underlayer formed on a substrate so as to be in contact with the underlayer. On top of the main pole or the stacked body, there is deposited a coil, a return pole, and a read element in that order, thereby fabricating a perpendicular magnetic recording head. Further, an additional structure may be added such that an underlayer containing a metal is disposed between the substrate, and the main pole or the stacked body made up of the main pole, and the auxiliary pole, and a heat diffusion layer is disposed between portions of the coil and the substrate, or portions of the coil is disposed closer to the substrate than other portions of the coil.
摘要翻译：本发明的实施例确保了足够大的磁场，并且阻止垂直磁记录头的突出现象，导致实现低飞行高度的问题，同时解决诸如擦除外围轨道中的信息的问题。在一个实施例中，由主极构成的主极或堆叠体和辅助极沉积在形成在基板上的底层上以与底层接触。在主极或堆叠体的顶部，依次沉积线圈，返回极和读取元件，从而制造垂直磁记录头。此外，可以添加另外的结构，使得在基板，主极或由主极和辅助极构成的层叠体之间设置包含金属的底层，并且将热扩散层设置在部分线圈的一部分或线圈的部分比线圈的其它部分更靠近基板设置。

49. 发明授权

US07606006B2 Magnetic recording head and magnetic disk storage apparatus mounting the magnetic head 失效
标题翻译：安装磁头的磁记录头和磁盘存储装置
公开(公告)号：US07606006B2
公开(公告)日：2009-10-20
申请号：US11014025
申请日：2004-12-15
申请人： Masafumi Mochizuki , Kaori Suzuki , Kimitoshi Etoh
发明人： Masafumi Mochizuki , Kaori Suzuki , Kimitoshi Etoh
IPC分类号： G11B5/33 , G11B5/127
CPC分类号： G11B5/127 , G11B5/33
摘要： Embodiments of the invention provide a write head for perpendicular recording in which the magnetic field intensity applied at a read element is reduced with larger write-field gradients and the distance between a write element and a read element is small. In one embodiment, a pair of magnetic bodies for shielding a read element are provided on the leading and trailing sides of the read element respectively and whichever one of the two shields is the longer in the length from the air bearing surface is shorter than the length up to the back contact position PBK at which a main pole and an auxiliary pole are connected.
摘要翻译：本发明的实施例提供了用于垂直记录的写入头，其中在读取元件处施加的磁场强度随着更大的写入场梯度而减小，并且写入元件和读取元件之间的距离小。在一个实施例中，用于屏蔽读取元件的一对磁体分别设置在读取元件的前侧和后侧，并且两个屏蔽中的任一个在距空气支承表面的长度上较长的长度短于长度直到连接主极和辅助极的后接触位置PBK。

50. 发明授权

US07054106B2 Magnetic head and magnetic storage apparatus 失效
标题翻译：磁头和磁存储设备
公开(公告)号：US07054106B2
公开(公告)日：2006-05-30
申请号：US10354989
申请日：2003-01-31
申请人： Kazue Kudo , Yoshiaki Kawato , Kazuhiro Nakamoto , Nobuo Yoshida , Kimitoshi Etoh
发明人： Kazue Kudo , Yoshiaki Kawato , Kazuhiro Nakamoto , Nobuo Yoshida , Kimitoshi Etoh
IPC分类号： G11B5/147
CPC分类号： B82Y25/00 , B82Y10/00 , G11B5/024 , G11B5/313 , G11B5/3156 , G11B5/3163 , G11B5/3967 , G11B5/465 , G11B2005/0008 , G11B2005/0013 , G11B2005/3996
摘要： Disclosed herein is a magnetic head for perpendicular recording in which the main magnetic pole has reduced remanent magnetization and is less liable to cause erasure after recording. These characteristic properties were realized by constructing the magnetic head such that the recording magnetic pole and the yoke are separate from each other and the main magnetic pole is formed from a material with a high saturation magnetic flux density and the yoke is formed from a material having a negative magnetostriction constant.
摘要翻译：这里公开了一种用于垂直记录的磁头，其中主磁极具有降低的剩磁，并且在记录之后不易引起擦除。这些特性是通过构造磁头来实现的，使得记录磁极和磁轭彼此分离，并且主磁极由具有高饱和磁通密度的材料形成，并且磁轭由具有负磁致伸缩常数。

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