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公开(公告)号：US20100128382A1
公开(公告)日：2010-05-27
申请号：US12622064
申请日：2009-11-19
IPC分类号： G11B21/02
CPC分类号： G11B19/02 , G11B5/012 , G11B2005/001 , G11B2005/0021
摘要： A magnetic recording device according to one embodiment includes a magnetic recording medium having a magnetic recording layer; a recording element positioned on a head slider; an assistance element for supplying assistance energy to an area on the recording layer to which a recording magnetic field generated by the recording element is applied, the assistance element being positioned on the head slider; and a controller for controlling a size of an assistance area from the assistance element in accordance with a position of the head slider in a radial direction of the magnetic recording medium. Additional systems and methods are also presented.
摘要翻译： 根据一个实施例的磁记录装置包括具有磁记录层的磁记录介质; 定位在磁头滑块上的记录元件; 辅助元件，用于向施加有由记录元件产生的记录磁场的记录层上的区域提供辅助能量，辅助元件位于磁头滑块上; 以及控制器，用于根据磁头滑块在磁记录介质的径向方向上的位置来从辅助元件控制辅助区域的尺寸。 还介绍了其他系统和方法。
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2.发明申请MAGNETIC DISK DRIVE HAVING ASSISTED RECORDING AND METHODS OF RECORDING DATA THERETO 有权具有辅助记录的磁盘驱动器和记录数据的方法公开(公告)号：US20100128376A1
公开(公告)日：2010-05-27
申请号：US12615219
申请日：2009-11-09
IPC分类号： G11B27/36
CPC分类号： G11B5/012 , G11B5/09 , G11B5/455 , G11B2005/0005 , G11B2005/0021
摘要： In one embodiment, a magnetic disk drive includes a magnetic disk, a head slider for flying above the spinning magnetic disk, a pattern analyzer for analyzing a data pattern of data to be recorded on the magnetic disk to determine a recording current reversal timing and a recording assistance area in accordance with the analysis so that the rear end of the determined recording assistance area is shifted forward if the determined recording current reversal timing is earlier than a criterion, or the rear end of the determined recording assistance area is shifted backward if the determined recording current reversal timing is later than the criterion, a recording assistance element on the slider for forming the determined recording assistance area on the magnetic disk, and a recording element for recording the data on the magnetic disk using the recording current in accordance with the determined recording current reversal timing.
摘要翻译： 在一个实施例中，磁盘驱动器包括磁盘，用于在旋转磁盘上方飞行的磁头滑块，用于分析要记录在磁盘上的数据的数据模式以确定记录电流反转定时的模式分析器，以及 记录辅助区域，如果所确定的记录电流反转定时早于标准，则确定的记录辅助区域的后端向前移动，或者如果确定的记录辅助区域的后端如果 确定的记录电流反转时间晚于该标准，用于在磁盘上形成确定的记录辅助区域的滑块上的记录辅助元件，以及用于使用记录电流将数据记录在磁盘上的记录元件 确定记录电流反转时序。
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3.发明授权Energy-assisted magnetic-recording head having a magnetic-recording assistance element disposed to lower magnetic-recording field for reversing magnetization in a magnetic-recording disk 有权能量辅助磁记录头具有磁记录辅助元件，该磁记录辅助元件设置成降低用于使磁记录盘中的磁化反转的磁记录场公开(公告)号：US08248893B2
公开(公告)日：2012-08-21
申请号：US12573069
申请日：2009-10-02
IPC分类号： G11B11/00
CPC分类号： G11B5/314 , G11B5/3116 , G11B5/6088 , G11B2005/0005 , G11B2005/0021
摘要： A head-slider configured to fly in proximity to a recording surface of a magnetic-recording disk. The head-slider includes a write element including a main pole configured to generate a magnetic-recording field from a pole tip of the main pole in a first localized portion of the magnetic-recording disk. The head-slider also includes a magnetic-recording assistance element configured to provide energy to a second localized portion of the magnetic-recording disk in order to increase reversibility of a magnetization in a first localized portion of the magnetic-recording disk. A width of the pole tip of the main pole on a leading-edge side is wider than a width of the pole tip of the main pole on a trailing-edge side.
摘要翻译： 头部滑动器，其构造成在磁记录盘的记录表面附近飞行。 磁头滑块包括写入元件，该写入元件包括主磁极，该主极被配置为在磁记录盘的第一局部部分中从主极的极尖产生磁记录场。 磁头滑动器还包括磁记录辅助元件，其被配置为向磁记录盘的第二局部部分提供能量，以增加磁记录盘的第一局部部分中的磁化的可逆性。 前缘侧的主极的极尖的宽度比后缘侧的主极的极尖的宽度宽。
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4.发明授权Magnetic disk drive having assisted recording and methods of recording data thereto 有权辅助记录的磁盘驱动器和记录数据的方法公开(公告)号：US07969678B2
公开(公告)日：2011-06-28
申请号：US12615219
申请日：2009-11-09
IPC分类号： G11B27/36
CPC分类号： G11B5/012 , G11B5/09 , G11B5/455 , G11B2005/0005 , G11B2005/0021
摘要： In one embodiment, a magnetic disk drive includes a magnetic disk, a head slider for flying above the spinning magnetic disk, a pattern analyzer for analyzing a data pattern of data to be recorded on the magnetic disk to determine a recording current reversal timing and a recording assistance area in accordance with the analysis so that the rear end of the determined recording assistance area is shifted forward if the determined recording current reversal timing is earlier than a criterion, or the rear end of the determined recording assistance area is shifted backward if the determined recording current reversal timing is later than the criterion, a recording assistance element on the slider for forming the determined recording assistance area on the magnetic disk, and a recording element for recording the data on the magnetic disk using the recording current in accordance with the determined recording current reversal timing.
摘要翻译： 在一个实施例中，磁盘驱动器包括磁盘，用于在旋转磁盘上方飞行的磁头滑块，用于分析要记录在磁盘上的数据的数据模式以确定记录电流反转定时的模式分析器，以及 记录辅助区域，如果所确定的记录电流反转定时早于标准，则确定的记录辅助区域的后端向前移动，或者如果确定的记录辅助区域的后端如果 确定的记录电流反转时间晚于该标准，用于在磁盘上形成确定的记录辅助区域的滑块上的记录辅助元件，以及用于使用记录电流将数据记录在磁盘上的记录元件 确定记录电流反转时序。
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公开(公告)号：US08018672B2
公开(公告)日：2011-09-13
申请号：US12622064
申请日：2009-11-19
IPC分类号： G11B5/02
CPC分类号： G11B19/02 , G11B5/012 , G11B2005/001 , G11B2005/0021
摘要： A magnetic recording device according to one embodiment includes a magnetic recording medium having a magnetic recording layer; a recording element positioned on a head slider; an assistance element for supplying assistance energy to an area on the recording layer to which a recording magnetic field generated by the recording element is applied, the assistance element being positioned on the head slider; and a controller for controlling a size of an assistance area from the assistance element in accordance with a position of the head slider in a radial direction of the magnetic recording medium. Additional systems and methods are also presented.
摘要翻译： 根据一个实施例的磁记录装置包括具有磁记录层的磁记录介质; 定位在磁头滑块上的记录元件; 辅助元件，用于向施加有由记录元件产生的记录磁场的记录层上的区域提供辅助能量，辅助元件位于磁头滑块上; 以及控制器，用于根据磁头滑块在磁记录介质的径向方向上的位置来从辅助元件控制辅助区域的尺寸。 还介绍了其他系统和方法。
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6.发明申请HEAD-SLIDER INCLUDING A MAGNETIC-RECORDING ASSISTANCE ELEMENT, HEAD-ARM ASSEMBLY INCLUDING THE HEAD-SLIDER, AND HARD-DISK DRIVE INCLUDING THE HEAD-ARM ASSEMBLY 有权包括磁记录辅助元件的头部滑块，包括头部滑块的头盔组件和包括头盔组件的硬盘驱动器公开(公告)号：US20110096638A1
公开(公告)日：2011-04-28
申请号：US12573069
申请日：2009-10-02
CPC分类号： G11B5/314 , G11B5/3116 , G11B5/6088 , G11B2005/0005 , G11B2005/0021
摘要： A head-slider configured to fly in proximity to a recording surface of a magnetic-recording disk. The head-slider includes a write element including a main pole configured to generate a magnetic-recording field from a pole tip of the main pole in a first localized portion of the magnetic-recording disk. The head-slider also includes a magnetic-recording assistance element configured to provide energy to a second localized portion of the magnetic-recording disk in order to increase reversibility of a magnetization in a first localized portion of the magnetic-recording disk. A width of the pole tip of the main pole on a leading-edge side is wider than a width of the pole tip of the main pole on a trailing-edge side.
摘要翻译： 头部滑动器，其构造成在磁记录盘的记录表面附近飞行。 磁头滑块包括写入元件，该写入元件包括主磁极，该主极被配置为在磁记录盘的第一局部部分中从主极的极尖产生磁记录场。 磁头滑动器还包括磁记录辅助元件，其被配置为向磁记录盘的第二局部部分提供能量，以增加磁记录盘的第一局部部分中的磁化的可逆性。 前缘侧的主极的极尖的宽度比后缘侧的主极的极尖的宽度宽。
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公开(公告)号：US07646564B2
公开(公告)日：2010-01-12
申请号：US11371609
申请日：2006-03-08
申请人： Yoji Maruyama , Hideki Zaitsu , Ichiro Ohdake , Kazue Kudo , Masafumi Mochizuki
发明人： Yoji Maruyama , Hideki Zaitsu , Ichiro Ohdake , Kazue Kudo , Masafumi Mochizuki
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/3146 , G11B5/3163
摘要： Embodiments of the invention provide a perpendicular magnetic head with a narrow track and excellent high frequency characteristics. In one embodiment, a recording magnetic head includes coil conductors and magnetic pole pieces putting the same therebetween, in which a main magnetic pole piece is formed into a planar structure and a magnetic film connected with the main magnetic pole piece in a magnetic coupling relation is curved in the direction of the film thickness. Further, a shield material disposed near the main magnetic pole piece is made of a material of higher resistance than that of the material for the read shield.
摘要翻译： 本发明的实施例提供一种具有窄轨迹和优异的高频特性的垂直磁头。 在一个实施例中，记录磁头包括线圈导体和放置在其间的磁极片，其中主磁极片形成为平面结构，并且与主磁极片以磁耦合关系连接的磁膜为 在膜厚度方向上弯曲。 此外，设置在主磁极片附近的屏蔽材料由比用于读屏蔽材料的电阻高的材料制成。
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公开(公告)号：US20060203384A1
公开(公告)日：2006-09-14
申请号：US11371609
申请日：2006-03-08
申请人： Yoji Maruyama , Hideki Zaitsu , Ichiro Ohdake , Kazue Kudo , Masafumi Mochizuki
发明人： Yoji Maruyama , Hideki Zaitsu , Ichiro Ohdake , Kazue Kudo , Masafumi Mochizuki
IPC分类号： G11B5/147
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/3146 , G11B5/3163
摘要： Embodiments of the invention provide a perpendicular magnetic head with a narrow track and excellent high frequency characteristics. In one embodiment, a recording magnetic head includes coil conductors and magnetic pole pieces putting the same therebetween, in which a main magnetic pole piece is formed into a planar structure and a magnetic film connected with the main magnetic pole piece in a magnetic coupling relation is curved in the direction of the film thickness. Further, a shield material disposed near the main magnetic pole piece is made of a material of higher resistance than that of the material for the read shield.
摘要翻译： 本发明的实施例提供一种具有窄轨迹和优异的高频特性的垂直磁头。 在一个实施例中，记录磁头包括线圈导体和放置在其间的磁极片，其中主磁极片形成为平面结构，并且与主磁极片以磁耦合关系连接的磁膜为 在膜厚度方向上弯曲。 此外，设置在主磁极片附近的屏蔽材料由比用于读屏蔽材料的电阻高的材料制成。
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9.发明授权Dual reverse microwave assisted magnetic recording (MAMR) and systems thereof 有权双反向微波辅助磁记录（MAMR）及其系统公开(公告)号：US08634163B2
公开(公告)日：2014-01-21
申请号：US13191563
申请日：2011-07-27
IPC分类号： G11B5/127
CPC分类号： G11B5/314 , G11B5/1278 , G11B2005/0024
摘要： In one embodiment, a magnetic head includes a main magnetic pole, a first MAMR element positioned above and wider than the main magnetic pole that is positioned to extend beyond sides of the main magnetic pole in a track width direction, a spin-rectifying-current-pinned-magnetic layer, a magnetic interlayer, a FGL, a magnetic-zone-control layer, and a second MAMR element that is wider than the main magnetic pole and is positioned to extend beyond sides of the main magnetic pole in the track width direction positioned above the first MAMR element, and a trailing shield positioned above the second MAMR element, wherein the main magnetic pole is adapted for producing a high-frequency magnetic field comprising oscillating microwaves, wherein during a writing operation, current is applied to the first and second MAMR elements to produce magnetic fields which oppose bit-switching in the magnetic medium to avoid adjacent track bit reversal.
摘要翻译： 在一个实施例中，磁头包括主磁极，位于主磁极上方并且宽于主磁极的第一MAMR元件，主磁极定位成在磁道宽度方向上延伸超过主磁极的侧面，自旋电流 磁性层，磁性中间层，FGL，磁区控制层和比主磁极宽的第二MAMR元件，并且定位成在磁道宽度上延伸超过主磁极的侧面 位于第一MAMR元件上方的方向，以及位于第二MAMR元件上方的后屏蔽，其中主磁极适于产生包括振荡微波的高频磁场，其中在写入操作期间，将电流施加到第一MAMR元件 和第二MAMR元件，以产生与磁介质中的位切换相对的磁场，以避免相邻轨道位反转。
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10.发明申请DUAL REVERSE MICROWAVE ASSISTED MAGNETIC RECORDING (MAMR) AND SYSTEMS THEREOF 有权双向微波辅助磁记录（MAMR）及其系统公开(公告)号：US20130027803A1
公开(公告)日：2013-01-31
申请号：US13191563
申请日：2011-07-27
CPC分类号： G11B5/314 , G11B5/1278 , G11B2005/0024
摘要： In one embodiment, a magnetic head includes a main magnetic pole, a first MAMR element positioned above and wider than the main magnetic pole that is positioned to extend beyond sides of the main magnetic pole in a track width direction, a spin-rectifying-current-pinned-magnetic layer, a magnetic interlayer, a FGL, a magnetic-zone-control layer, and a second MAMR element that is wider than the main magnetic pole and is positioned to extend beyond sides of the main magnetic pole in the track width direction positioned above the first MAMR element, and a trailing shield positioned above the second MAMR element, wherein the main magnetic pole is adapted for producing a high-frequency magnetic field comprising oscillating microwaves, wherein during a writing operation, current is applied to the first and second MAMR elements to produce magnetic fields which oppose bit-switching in the magnetic medium to avoid adjacent track bit reversal.
摘要翻译： 在一个实施例中，磁头包括主磁极，位于主磁极上方并且宽于主磁极的第一MAMR元件，主磁极定位成在磁道宽度方向上延伸超过主磁极的侧面，自旋电流 磁性层，磁性中间层，FGL，磁区控制层和比主磁极宽的第二MAMR元件，并且定位成在磁道宽度上延伸超过主磁极的侧面 位于第一MAMR元件上方的方向，以及位于第二MAMR元件上方的后屏蔽，其中主磁极适于产生包括振荡微波的高频磁场，其中在写入操作期间，将电流施加到第一MAMR元件 和第二MAMR元件，以产生与磁介质中的位切换相对的磁场，以避免相邻轨道位反转。
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