专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2010287289A Magnetic head and disk device equipped with the same 有权
标题翻译：磁头和磁碟装置配备
公开(公告)号：JP2010287289A
公开(公告)日：2010-12-24
申请号：JP2009141505
申请日：2009-06-12
申请人： Toshiba Corp , 株式会社東芝
发明人： MATSUMOTO TAKUYA , TAGUCHI TOMOKO
IPC分类号： G11B5/31
CPC分类号： G11B5/3116 , G11B5/1278
摘要： PROBLEM TO BE SOLVED: To provide a magnetic head which can reduce a leakage magnetic field from a side shield while maintaining a recording capacity in on-track, and can obtain high track density, and to provide a disk device equipped with the magnetic head.
SOLUTION: The magnetic head of the disk device includes a slider and a head that performs information processing on a recording medium provided at the slider, and the head has a main magnetic pole 66 that applies a perpendicular recording magnetic field to a recording layer, a recording coil that excites the main magnetic pole, a light shielding magnetic pole that is opposed to a trailing side of the main magnetic pole with a light gap and that forms a closed magnetic path with an underlayer of the recording medium 12, side shields 70 that are provided at both sides of a track width direction of the main magnetic pole so as to be magnetically apart from the main magnetic pole, and low magnetic flux density layers 76a and 76b that are formed of materials having smaller saturation magnetic flux density than the saturation magnetic flux density of the main magnetic pole, and control flows of magnetic flux from the main magnetic pole to the side shields by arranging the main magnetic pole and the side shields in confronted positions.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在保持记录容量在轨上同时减少来自侧屏蔽的泄漏磁场并且可以获得高轨道密度的磁头，并且提供一种配备有磁头。解决方案：盘装置的磁头包括滑块和在设置在滑块上的记录介质上执行信息处理的磁头，并且磁头具有主磁极66，其将垂直记录磁场施加到记录层，激励主磁极的记录线圈，与主磁极的后侧相对的光屏蔽磁极，并且与记录介质12的底层形成封闭的磁路设置在主磁极的磁道宽度方向的两侧以与主磁极磁性分开的屏蔽70以及由具有较小饱和磁通密度的材料形成的低磁通密度层76a和76b 比主磁极的饱和磁通密度高，并且通过设置主磁波来控制从主磁极到侧屏的磁通量的流动 le和侧面屏蔽在相对的位置。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2017117506A 磁気記録ヘッド、およびこれを備えたディスク装置审中-公开
公开(公告)号：JP2017117506A
公开(公告)日：2017-06-29
申请号：JP2015254348
申请日：2015-12-25
申请人：株式会社東芝 , Toshiba Corp
发明人： MATSUMOTO TAKUYA , TAGUCHI TOMOKO
IPC分类号： G11B5/31 , G11B5/02
CPC分类号： G11B5/315 , G11B5/1278
摘要：【課題】既存記録情報の消去又は劣化を抑制し、信頼性の向上した磁気記録ヘッドおよびこれを備えたディスク装置を提供する。【解決手段】実施形態によれば、磁気記録ヘッドは、空気支持面と、空気支持面に露出する先端部を有し、記録磁界を発生する主磁極60と、ライトギャップを挟んで前記主磁極の先端部に対向するライトシールド62と、主磁極のトラック幅方向の両側に配置された一対のサイドシールド74と、サイドシールドと主磁極が対向する面の間で、一対のサイドシールドのトラック幅全体に亘って設けられ、空気支持面の面方向に沿った電流が流れる配線80と、を備えている。【選択図】図4

3. 发明专利

JP2014010865A Magnetic recording head and disk drive including the same 有权
标题翻译：磁记录头和磁盘驱动器，包括它们
公开(公告)号：JP2014010865A
公开(公告)日：2014-01-20
申请号：JP2012146891
申请日：2012-06-29
申请人： Toshiba Corp , 株式会社東芝
发明人： YAMADA KENICHIRO , MATSUMOTO TAKUYA , NARITA NAOYUKI , TAGUCHI TOMOKO , KOI KATSUHIKO , TAKEO AKIHIKO
IPC分类号： G11B5/31 , G11B5/02
CPC分类号： G11B5/17 , G11B5/1278 , G11B5/3123 , G11B19/2009 , G11B2005/0005
摘要： PROBLEM TO BE SOLVED: To provide a magnetic recording head capable of improving recording capability and achieving high recording density, and a disk drive including the same.SOLUTION: A magnetic recording head of a disk drive comprises: a disk facing surface 43 which faces a recording layer of a recording medium; a main pole 60 which has a tip positioned on the disk facing surface side and applying a recording magnetic field to the recording layer; a leading shield 64 which is provided on a leading side of the main pole and faces the tip of the main pole with gap therebetween; a high frequency oscillator 74 which is provided between the leading shield and the tip of the main pole; a recording coil 70 which applies a magnetic field to the main pole; and a connection terminal for flowing current through the main pole, the high frequency oscillator, and the leading shield.
摘要翻译：要解决的问题：提供一种能够提高记录能力和实现高记录密度的磁记录头，以及包括该记录密度的磁盘驱动器。磁盘驱动器的磁记录头包括：面对磁盘记录介质的记录层; 主极60，其具有位于盘对面的表面侧的尖端，并向记录层施加记录磁场; 导向屏蔽64，其设置在主极的前侧，并且与主极的前端间隔开; 高频振荡器74，其设置在主屏蔽和主极的尖端之间; 记录线圈70，其向主极施加磁场; 以及用于使电流流过主极，高频振荡器和前屏蔽的连接端子。

4. 发明专利

JP2012150863A Recording head and disk drive with the same 审中-公开
标题翻译：记录头和磁盘驱动器
公开(公告)号：JP2012150863A
公开(公告)日：2012-08-09
申请号：JP2011008194
申请日：2011-01-18
申请人： Toshiba Corp , 株式会社東芝
发明人： MATSUMOTO TAKUYA , TAGUCHI TOMOKO , OTAKE MASAYA
IPC分类号： G11B5/31
CPC分类号： G11B5/3123 , G11B5/1278 , G11B5/17 , G11B5/3116 , G11B5/315
摘要： PROBLEM TO BE SOLVED: To provide a recording head which attains high recording density by preventing information previously recorded in an adjacent track region from deteriorating or from being erased, and a disk drive equipped with the same.SOLUTION: The recording head of the disk drive includes a main magnetic pole 60 which generates a recording magnetic field perpendicular to a recording layer; a return magnetic pole 66 which faces a trailing side of the main magnetic pole across a write gap; a trailing core 62 having side shield 68 provided on both sides in a track-width direction of the main magnetic pole magnetically apart from the main magnetic pole by a distance equal to or less than two tracks of a track pitch; a first coil 70 wound around the trailing core; a recording medium-side joint part 80 facing a leading side of the main magnetic pole across a gap and joined to the side shield by a width of 20 μm or less in the track-width direction; and a leading core 64 having a coupling part 82 joined to the main magnetic pole at a position apart from a recording medium and forming a magnetic circuit together with the main magnetic pole; and a second core 84 wound around the leading core.
摘要翻译：要解决的问题：提供一种通过防止先前记录在相邻轨道区域中的信息劣化或被擦除而获得高记录密度的记录头以及配备该记录密度的磁盘驱动器。解决方案：磁盘驱动器的记录头包括主磁极60，其产生垂直于记录层的记录磁场; 返回磁极66，其跨越写入间隙面对主磁极的后侧; 牵引芯62具有侧面屏蔽68，其设置在主磁极的磁道宽度方向的两侧，与主磁极磁隔离距离等于或小于轨道间距的两个轨道; 缠绕在尾芯上的第一线圈70; 记录介质侧接合部分80，其横跨间隙面对主磁极的前端，并且在轨道宽度方向上与侧屏蔽件接合宽度为20μm或更小; 以及引导芯64，其具有在远离记录介质的位置处连接到主磁极的耦合部分82，并与主磁极一起形成磁路; 以及缠绕在引导芯上的第二芯84。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2014203489A 記録ヘッド、およびこれを備えたディスク装置审中-公开
标题翻译：记录头和磁盘设备
公开(公告)号：JP2014203489A
公开(公告)日：2014-10-27
申请号：JP2013079718
申请日：2013-04-05
申请人：株式会社東芝 , Toshiba Corp
发明人： OTAKE MASAYA , TAGUCHI TOMOKO , MATSUMOTO TAKUYA
IPC分类号： G11B5/31 , G11B5/02
CPC分类号： G11B5/315 , G11B5/1278 , G11B5/3123
摘要：【課題】高周波記録においても、エラーレートが劣化せず、記録密度の向上を図ることが可能な磁気記録ヘッドおよびこれを備えたディスク装置を提供する。【解決手段】実施形態によれば、磁気記録ヘッドは、主磁極60と、主磁極のトレーリング側に設けられたトレーリングシールド62と、非磁性体で形成され、ディスク対向面から離間した位置でトレーリングシールドと主磁極とを接続する第1接続部52と、高周波発振子を含む非磁性導電層を有し、トレーリングシールドと主磁極のディスク対向面側の端部とを接続する第2接続部65と、主磁極のリーディング側に設けられたリーディングシールド64と、第1、第2コイル70、72と、を備えている。リーディングシールドは、非磁性体を介して主磁極に対向する先端部と、磁性体で形成された第3接続部68を介して、ディスク対向面から離間した位置で主磁極に接続された接続部64cと、を有している。第3接続部の厚さは、第1接続部の厚さよりも薄く形成されている。【選択図】図3
摘要翻译：要解决的问题：提供即使在高频记录中也能够提高记录密度而不降低误差率的磁记录头，并且提供具有该磁记录头的磁盘装置。解决方案：根据本实施例，磁记录头包括主磁极60; 设置在主磁极的后侧的后挡板62; 由非磁性材料形成的第一连接部分52，并且将后屏蔽和主磁极连接到与磁盘相对面分开的位置; 第二连接部65具有包括高频振荡器的非磁性导电层，并且连接主磁极的后屏蔽和盘对面侧端部; 以及设置在主磁极的读取侧的读取屏蔽件64。读取屏蔽包括：通过非磁性材料与主磁极相对的前端部分; 以及连接部分64c，通过由磁性材料形成的第三连接部分68连接到与磁盘相对面分开的位置的主磁极。第三连接部的厚度小于第一连接部的厚度。

6. 发明专利

JP2012226793A Magnetic head, head gimbal assembly equipped with the same, and disc device 有权
标题翻译：磁头，配有相同的头盔组件和碟片装置
公开(公告)号：JP2012226793A
公开(公告)日：2012-11-15
申请号：JP2011091447
申请日：2011-04-15
申请人： Toshiba Corp , 株式会社東芝
发明人： MATSUMOTO TAKUYA , YAMADA KENICHIRO , TAKAGISHI MASAYUKI , KOI KATSUHIKO , IWASAKI HITOSHI
IPC分类号： G11B5/31 , G11B5/02
CPC分类号： G11B5/1278 , G11B5/3133
摘要： PROBLEM TO BE SOLVED: To provide a magnetic head capable of showing sufficient recording performance, and obtaining stable recording characteristics; a head gimbal assembly equipped with the magnetic head; and a disc device.SOLUTION: A magnetic head of a disc device includes: a main magnetic pole 66 applying a vertical recording magnetic field to a recording layer of a recording medium; a return magnetic pole 68 opposing to the main magnetic pole with a write gap therebetween; and a high frequency oscillation element 74 which is provided between opposite surfaces of the main magnetic pole and the return magnetic pole, and generates a high frequency magnetic field. At least either one of the main magnetic pole or the return magnetic pole has a laminated structure portion 80 which opposes to the high frequency oscillation element, and in which magnetic body layers and non-magnetic body layers are laminated.
摘要翻译：要解决的问题：提供能够显示足够的记录性能并获得稳定记录特性的磁头; 配有磁头的磁头万向架组件; 和光盘装置。解决方案：盘装置的磁头包括：主磁极66，将垂直记录磁场施加到记录介质的记录层; 与主磁极相对的返回磁极68，其间具有写入间隙; 以及设置在主磁极和返回磁极的相对表面之间的高频振荡元件74，并产生高频磁场。主磁极或返回磁极中的至少任一个具有与高频振荡元件相对的层叠结构部分80，并且其中层叠有磁性体层和非磁性体层。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2014059926A Magnetic recording head, and disk device including the same 有权
标题翻译：磁记录头和包括其的磁盘装置
公开(公告)号：JP2014059926A
公开(公告)日：2014-04-03
申请号：JP2012203687
申请日：2012-09-14
申请人： Toshiba Corp , 株式会社東芝
发明人： MATSUMOTO TAKUYA , TAGUCHI TOMOKO , YAMADA KENICHIRO , NARITA NAOYUKI
IPC分类号： G11B5/31 , G11B5/02
CPC分类号： G11B5/23 , G11B5/1278 , G11B5/314 , G11B2005/0024
摘要： PROBLEM TO BE SOLVED: To provide a recording head capable of improving quality of a signal recorded on a recording medium, and achieving high density recording, and to provide a disk device including the recording head.SOLUTION: According to an embodiment, a magnetic recording head 58 of a disk device includes a main magnetic pole 60 which generates a magnetic field in a direction perpendicular to a recording layer of the recording medium, a write shield magnetic pole 62 which faces a trailing side of the main magnetic pole with a gap therebetween, a coil which generates a magnetic flux in a magnetic circuit formed by the main magnetic pole and the write shield magnetic pole, and a high frequency oscillator 65 which is arranged between a tip end of the main magnetic pole at the recording medium side and the write shield magnetic pole, and generates a high frequency magnetic field. The write shield magnetic pole has an end face 62b which faces the main magnetic pole and the high frequency oscillator. The end face is formed so that the gap with the main magnetic pole is larger at a part farther than a part which is closer to the recording medium.
摘要翻译：要解决的问题：提供一种能够提高记录在记录介质上的信号的质量并实现高密度记录的记录头，并提供包括该记录头的盘装置。解决方案根据一个实施例，磁记录磁盘装置的磁头58包括：主磁极60，其在垂直于记录介质的记录层的方向上产生磁场;写保护磁极62，其面对主磁极的后侧，间隙为间; 在由主磁极和写入屏蔽磁极形成的磁路中产生磁通的线圈，以及设置在记录介质侧的主磁极的前端和高频振荡器65之间的高频振荡器65，写屏蔽磁极，并产生高频磁场。写屏蔽磁极具有面向主磁极和高频振荡器的端面62b。端面被形成为使得与主磁极的间隙在比靠近记录介质的部分更远的部分处更大。

8. 发明专利

JP2013246850A Recording head and disk device provided with the same 审中-公开
标题翻译：记录头和磁盘装置
公开(公告)号：JP2013246850A
公开(公告)日：2013-12-09
申请号：JP2012120207
申请日：2012-05-25
申请人： Toshiba Corp , 株式会社東芝
发明人： MATSUMOTO TAKUYA , YAMADA KENICHIRO , NARITA NAOYUKI
IPC分类号： G11B5/31 , G11B5/02
CPC分类号： G11B5/187 , G11B5/3116 , G11B5/314 , G11B5/3146 , G11B2005/0024
摘要： PROBLEM TO BE SOLVED: To provide a recording head that causes quality of signals recorded in a recording medium to be improved and enables high recording density, and a disk device provided therewith.SOLUTION: A recording head 58 of a disk device comprises: a main magnetic pole 60 for generating a recording magnetic field in a direction perpendicular to a recording layer 103 of a recording medium; a write shield magnetic pole 62 opposite to a trailing side of the main magnetic pole 60 with a write gap interposed therebetween; a recording coil for exciting a magnetic flux in a magnetic circuit formed by the main magnetic pole 60 and the write shield magnetic pole 62; and a spin torque oscillator 65 that is provided between a tip portion 60a of a recording medium side of the main magnetic pole 60 and the write shield magnetic pole 62 and generates a high-frequency magnetic field. The tip portion 60a of the main magnetic pole 60 is provided with a trailing side end surface 60b opposite to the spin torque oscillator 65. The trailing side end surface 60b is inclined toward a head reading side and extends in the direction perpendicular to the recording layer 103 of the recording medium as being away from the recording medium. The spin torque oscillator 65 is obliquely disposed in substantially parallel with the trailing side end surface 60b.
摘要翻译：要解决的问题：提供一种能够提高记录介质中记录的信号质量并且能够实现高记录密度的记录头，以及提供其的盘装置。解决方案：盘装置的记录头58包括：主体磁极60，用于在与记录介质的记录层103垂直的方向上产生记录磁场; 与主磁极60的后侧相对的写入屏蔽磁极62，其间插入写入间隙; 用于激励由主磁极60和写保护磁极62形成的磁路中的磁通量的记录线圈; 以及设置在主磁极60的记录介质侧的前端部分60a和写入屏蔽磁极62之间并产生高频磁场的自旋转矩振荡器65。主磁极60的前端部60a设置有与自旋扭矩振荡器65相反的后侧端面60b。后侧端面60b朝向头读取侧倾斜，并且在垂直于记录层的方向上延伸 103的记录介质离开记录介质。旋转扭矩振荡器65与后侧端面60b大致平行地倾斜配置。

9. 发明专利

JP2013222469A Magnetic recording head and disk device provided with the same 有权
标题翻译：磁记录头和磁盘装置
公开(公告)号：JP2013222469A
公开(公告)日：2013-10-28
申请号：JP2012091317
申请日：2012-04-12
申请人： Toshiba Corp , 株式会社東芝
发明人： TAGUCHI TOMOKO , MATSUMOTO TAKUYA
IPC分类号： G11B5/31 , G11B5/02
CPC分类号： G11B5/314 , G11B5/1278 , G11B5/23 , G11B5/3146 , G11B2005/0024
摘要： PROBLEM TO BE SOLVED: To provide a magnetic recording head that suppresses degradation or erasure of information having been recorded and enables high recording density, and further to provide a disk device provided therewith.SOLUTION: A magnetic recording head of a disk device comprises: a main magnetic pole 60 for generating a recording magnetic field in a recording layer of a recording medium; a trailing shield 62 opposite to a trailing side of the main magnetic pole 60 with a write gap disposed therebetween; a recording coil 70; and a high-frequency oscillator 65 provided inside the write gap between a leading end of the main magnetic pole 60 and the trailing shield 62. The trailing shield 62 comprises: a magnetic region 63 including a gap side end surface facing the write gap; and a non-magnetic film 80 that is disposed inside the trailing shield 62 in the vicinity of the write gap and is opposite to the write gap with the magnetic region 63 interposed therebetween. In a plane that includes centers of the main magnetic pole 60 and the high-frequency oscillator 65 in a track width direction and is perpendicular to the recording layer of the recording medium, a film thickness NMt of the non-magnetic film 80 in a track running direction is equal to half of a distance TSt from the gap side end surface to the non-magnetic film 80 or more.
摘要翻译：要解决的问题：提供一种磁记录头，其抑制已经记录的信息的劣化或擦除，并且能够实现高记录密度，并且还提供具有其的盘装置。解决方案：磁盘装置的磁记录头包括：主磁极60，用于在记录介质的记录层中产生记录磁场; 与主磁极60的后侧相对的后挡板62，其间设置有写入间隙; 记录线圈70; 以及设置在主磁极60的前端与后屏蔽62之间的写入间隙内的高频振荡器65.后屏蔽62包括：磁区63，其包括面向写间隙的间隙侧端面; 以及非磁性膜80，其设置在后屏蔽件62的内部，位于写入间隙附近，并且与写入间隙相反，磁性区域63插入其间。在包括主磁极60和高频振荡器65在轨道宽度方向上的中心并与记录介质的记录层垂直的平面中，轨道中的非磁性膜80的膜厚度NMt 行进方向等于从间隙侧端面到非磁性膜80的距离TSt的一半以上。

10. 发明专利

JP2013143172A Recording head and disk device having the same 审中-公开
标题翻译：记录头和磁盘设备
公开(公告)号：JP2013143172A
公开(公告)日：2013-07-22
申请号：JP2012004349
申请日：2012-01-12
申请人： Toshiba Corp , 株式会社東芝
发明人： MATSUMOTO TAKUYA , TAGUCHI TOMOKO
IPC分类号： G11B5/31
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/315
摘要： PROBLEM TO BE SOLVED: To provide a recording head which prevents the deterioration or erasure of information recorded in an adjacent track area and allows for high recording density, and a disk device using the same.SOLUTION: In an embodiment, a recording head 58 of a disk device includes: a main magnetic pole 60 formed from a soft magnetic material which generates a recording magnetic field in a vertical direction relative to a recording layer of a recording medium 12; a write/shield pole which is formed from a soft magnetic material and arranged on the trailing side of the main magnetic pole across a write gap; and a side shield 68 which is magnetically separated from the main magnetic pole at both sides in the track width direction of the main magnetic pole, and has the whole area formed from a soft magnetic material and opposed to the narrowed tip part of the main magnetic pole and the recording medium. The side shield has nonmagnetic cavities 65a and 65b formed from a nonmagnetic material in an interior portion which is not opposed to the main magnetic pole and the recording medium.
摘要翻译：要解决的问题：提供一种防止记录在相邻轨道区域中并且允许高记录密度的信息的劣化或擦除的记录头以及使用其的盘装置。解决方案：在一个实施例中，记录头58 磁盘装置包括：由相对于记录介质12的记录层在垂直方向上产生记录磁场的软磁材料形成的主磁极60; 写入/屏蔽极，其由软磁性材料形成并布置在主磁极的后侧，跨越写入间隙; 以及与主磁极的磁道宽度方向的两侧与主磁极磁性分离的侧面屏蔽件68，并且具有由软磁性材料形成并与主磁体的变窄的尖端部分相对的整个区域极和记录介质。侧面屏蔽体具有由不与主磁极和记录介质相对的内部部分中的非磁性材料形成的非磁性空腔65a和65b。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式