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公开(公告)号：US20060087765A1
公开(公告)日：2006-04-27
申请号：US11258468
申请日：2005-10-24
IPC分类号： G11B5/127
CPC分类号： G11B5/3136 , G11B5/1278 , G11B5/3106
摘要： Embodiments of the invention provide a perpendicular recording magnetic head capable of reducing leakage magnetic fields from the soft magnetic films on the air bearing surface side and reducing the protrusion of the soft magnetic films in the direction of the air bearing surface side due to thermal deformation of the soft magnetic films. In one embodiment, the write functional section includes a coil conductor, second soft magnetic film pattern and first soft magnetic film pattern that cover the coil conductor from top and bottom and are magnetically coupled to each other, and a main magnetic pole piece determining a track width. The read functional section includes a reading element sandwiched between two magnetic shield films. A pedestal magnetic pole pattern is formed at the frontal end position of the first soft magnetic film pattern.
摘要翻译： 本发明的实施例提供一种垂直记录磁头，其能够减少来自空气轴承面侧的软磁性膜的泄漏磁场，并且由于热变形而减小软磁性膜在空气轴承面侧的方向上的突出 软磁膜。 在一个实施例中，写功能部分包括线圈导体，第二软磁膜图案和第一软磁膜图案，其从顶部和底部覆盖线圈导体并且彼此磁耦合;以及主磁极片，其确定轨道 宽度。 读取功能部分包括夹在两个磁屏蔽膜之间的读取元件。 在第一软磁膜图案的前端位置处形成基座磁极图案。
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公开(公告)号：US06952380B2
公开(公告)日：2005-10-04
申请号：US10138568
申请日：2002-05-06
IPC分类号： G11B5/64 , G11B5/00 , G11B5/012 , G11B5/02 , G11B5/127 , G11B5/66 , G11B5/673 , G11B11/10 , G11B13/04 , G11B7/00
CPC分类号： G11B5/66 , G11B5/00 , G11B5/012 , G11B5/127 , G11B5/1278 , G11B13/045 , G11B2005/0002 , G11B2005/0005 , G11B2005/001 , G11B2005/0013 , G11B2005/0021 , G11B2005/0029
摘要： A vertical magnetic recording apparatus is provided which can diminish thermal decay of magnetization to ensure a high reliability of the life of recorded information and which can stably effect the write of magnetic information. Light assist is performed by obliquely applying light to a gap between a main pole of a vertical recording head and a medium. The light is radiated from the head side of the apparatus with respect to the medium. Utilizing the present invention, the thermal decay of magnetization at room temperature is diminished, the life of the recorded information is increased, and the storage reliability of the disk is increased.
摘要翻译： 提供了一种垂直磁记录装置，其可以减少磁化的热衰减，以确保记录信息的寿命的高可靠性，并且可以稳定地影响磁信息的写入。 通过向垂直记录头的主极和介质之间的间隙倾斜地施加光来执行光辅助。 光从设备的头侧相对于介质辐射。 利用本发明，室温下磁化的热衰减减小，记录信息的寿命增加，并且磁盘的存储可靠性增加。
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93.发明申请公开(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
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 。
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94.发明授权Magnetic head for perpendicular recording and magnetic disk storage apparatus mounting the head 失效用于垂直记录的磁头和安装磁头的磁盘存储装置公开(公告)号：US06741421B2
公开(公告)日：2004-05-25
申请号：US10046973
申请日：2002-01-17
IPC分类号： G11B5187
CPC分类号： G11B5/1278 , G11B5/1872 , G11B5/3967 , G11B5/4886 , G11B2005/0029 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052
摘要： A single pole type magnetic head has a writing head including a main pole and an auxiliary pole, and a reading head including a read element, wherein the main pole has a recess on the trailing side of its air bearing surface. When recording is performed on a perpendicular medium by using the single pole type magnetic head, the magnetic field distribution on the trailing side of the main pole air bearing surface is linearized, whereby the magnetic reversal is determined. As a result, a bit is recorded without curving the shape of magnetic reversal. Accordingly, when the bit is read, the magnetic reversal width appears to be large, so that the half-width of a solitary wave is increased, and at the same time, the recording track width is narrowed with an increase in linear recording density.
摘要翻译： 单极型磁头具有包括主极和辅助极的写入头和包括读取元件的读取头，其中主极在其空气支承表面的后侧具有凹部。 当通过使用单极型磁头在垂直介质上进行记录时，主极空气轴承表面的后侧的磁场分布被线性化，由此确定磁反转。 结果，在不弯曲磁性反转的形状的情况下记录位。 因此，当读取位时，磁反转宽度看起来很大，使得孤立波的半宽度增加，并且同时，记录磁道宽度随着线性记录密度的增加而变窄。
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公开(公告)号：USD271688S
公开(公告)日：1983-12-06
申请号：US283624
申请日：1981-07-15
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96.发明授权Magnetic-recording head with touch-down detector incorporating a carbon nano-tube 有权配有碳纳米管的带触摸检测器的磁记录头公开(公告)号：US08817406B2
公开(公告)日：2014-08-26
申请号：US13341755
申请日：2011-12-30
申请人： Sarbanoo Das , Masafumi Mochizuki
发明人： Sarbanoo Das , Masafumi Mochizuki
IPC分类号： G11B5/187
CPC分类号： G11B5/607 , B82Y10/00 , B82Y15/00 , G11B5/40 , G11B5/6076
摘要： A magnetic-recording head with touch-down detector incorporating a carbon nano-tube (CNT). The magnetic-recording head includes a write element, a read element and a touch-down detector. The write element is configured to write data to a magnetic-recording disk. The read element is configured to read data from the magnetic-recording disk. The touch-down detector includes a thermal sensor, and a CNT portion. The thermal sensor is configured to convert heat to a voltage signal. The CNT portion is configured to touch down on the magnetic-recording disk. The CNT portion is also coupled to the thermal sensor, and is configured to transfer heat generated by contact between the CNT portion and the magnetic-recording disk to the thermal sensor. A hard-disk drive (HDD) including the magnetic-recording head with touch-down detector incorporating a CNT, and a method for detecting contact between the magnetic-recording head and a recording surface of a magnetic-recording disk are also provided.
摘要翻译： 具有碳纳米管（CNT）的触摸屏检测器的磁记录头。 磁记录头包括写入元件，读取元件和触控下降检测器。 写元件被配置为将数据写入磁记录盘。 读取元件被配置为从磁记录盘读取数据。 触摸屏检测器包括热传感器和CNT部分。 热传感器被配置为将热量转换成电压信号。 CNT部分配置成在磁记录盘上向下触摸。 CNT部分还耦合到热传感器，并且被配置为将由CNT部分和磁记录盘之间的接触产生的热传递到热传感器。 还提供了包括具有CNT的具有触下检测器的磁记录头的硬盘驱动器（HDD），以及用于检测磁记录头与磁记录盘的记录表面之间的接触的方法。
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公开(公告)号：US08760801B2
公开(公告)日：2014-06-24
申请号：US12976975
申请日：2010-12-22
申请人： Sarbanoo Das , Masafumi Mochizuki
发明人： Sarbanoo Das , Masafumi Mochizuki
IPC分类号： G11B5/37
CPC分类号： G11B5/3909 , B82Y10/00 , B82Y25/00 , G11B5/374 , G11B2005/3996
摘要： In one embodiment a magnetic head includes a sensor thin film adapted for producing a planar Hall voltage, the sensor thin film having a thickness along a down-track direction that is greater than a thickness along a cross-track direction. The down-track direction is in a direction of travel of a magnetic medium relative to the sensor thin film, and the cross-track direction is perpendicular to the down-track direction. In another embodiment, at least one magnetic head as described above is included in a magnetic data storage system, which includes a magnetic medium, a drive mechanism for passing the magnetic medium over the at least one magnetic head, and a controller electrically coupled to the at least one magnetic head for controlling operation of the at least one magnetic head. Other heads and systems are described according to various other embodiments.
摘要翻译： 在一个实施例中，磁头包括适于产生平面霍尔电压的传感器薄膜，所述传感器薄膜沿着沿着下游方向的厚度大于沿着横向方向的厚度。 下轨道方向是在磁介质相对于传感器薄膜的行进方向上，并且横向方向垂直于下轨道方向。 在另一个实施例中，如上所述的至少一个磁头包括在磁数据存储系统中，磁数据存储系统包括磁介质，用于使磁介质通过至少一个磁头的驱动机构，以及电耦合到 至少一个用于控制所述至少一个磁头的操作的磁头。 根据各种其他实施例描述其他头和系统。
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公开(公告)号：US20130016443A1
公开(公告)日：2013-01-17
申请号：US13612704
申请日：2012-09-12
IPC分类号： G11B5/11
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/1871 , G11B5/23 , G11B5/3146 , G11B5/315
摘要： In one embodiment, a system includes a writer for shingled recording which includes a write pole having a trailing edge and first and second side edges extending from the trailing edge. The writer further includes a shield extending along and about parallel to at least an entire length of the trailing edge, the shield also extending along at least a portion of the first side edge. Other systems are also presented which include advanced shingled writing head designs.
摘要翻译： 在一个实施例中，一种系统包括用于瓦楞记录的写入器，其包括具有后缘的写入极和从后沿延伸的第一和第二侧边缘。 写入器还包括沿着后边缘至少整个长度平行延伸并且围绕其平行的屏蔽件，屏蔽件还沿着第一侧边缘的至少一部分延伸。 还提出了其他系统，其中包括先进的带灰色书写头设计。
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公开(公告)号：US08310786B2
公开(公告)日：2012-11-13
申请号：US12556472
申请日：2009-09-09
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/1871 , G11B5/23 , G11B5/3146 , G11B5/315
摘要： In one embodiment, a system includes a writer for shingled recording which includes a write pole having a trailing edge and first and second side edges extending from the trailing edge. The writer further includes a shield extending along and about parallel to only a portion of the trailing edge or only a portion of the first side edge, and the shield does not extend along the second side edge. In addition, an angle formed between the first side edge and the trailing edge along an air bearing surface side of the writer is different than an angle formed between the second side edge and the trailing edge along the air bearing surface side of the writer. Other systems are also presented which include advanced shingled writing head designs.
摘要翻译： 在一个实施例中，一种系统包括用于瓦楞记录的写入器，其包括具有后缘的写入极和从后沿延伸的第一和第二侧边缘。 写入器还包括屏蔽件，其沿着并且大约平行于后缘的一部分延伸，或仅仅是第一侧边缘的一部分，并且屏蔽件不沿着第二侧边缘延伸。 此外，沿着写入器的空气支承面侧的第一侧边缘和后缘之间形成的角度不同于沿着书写器的空气轴承面侧的第二侧边缘和后边缘之间形成的角度。 还提出了其他系统，其中包括先进的带灰色书写头设计。
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公开(公告)号：US08223458B2
公开(公告)日：2012-07-17
申请号：US12756947
申请日：2010-04-08
IPC分类号： G11B5/31
CPC分类号： G11B5/1871 , G11B5/1278 , G11B5/23 , G11B5/3116 , G11B5/315
摘要： A magnetic head, according to one embodiment, includes a main magnetic pole having a protruding portion such that a distance from a first side of a trailing edge of the main magnetic pole to a leading edge of the main magnetic pole is different from a distance from a second side of the trailing edge of the main magnetic pole to the leading edge of the main magnetic pole, an auxiliary magnetic pole, and a coil wound around a magnetic circuit, the magnetic circuit including the main magnetic pole and the auxiliary magnetic pole. In another embodiment, a disk drive system includes a magnetic storage medium, at least one magnetic head as described previously for writing to the magnetic medium, a slider for supporting the magnetic head, and a control unit coupled to the magnetic head for controlling operation of the magnetic head. Additional systems and heads are also presented.
摘要翻译： 根据一个实施例的磁头包括具有突出部分的主磁极，使得从主磁极的后缘的第一侧到主磁极的前缘的距离不同于 主磁极的后缘的第二面到主磁极的前缘，辅助磁极和缠绕在磁路上的线圈，磁路包括主磁极和辅助磁极。 在另一个实施例中，磁盘驱动器系统包括磁存储介质，至少一个如前所述用于写入磁介质的磁头，用于支撑磁头的滑块和耦合到磁头的控制单元，用于控制磁头 磁头。 还提供了附加的系统和头。
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