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1. 发明授权

US07688546B1 Perpendicular magnetic recording head having nonmagnetic insertion layers 有权
标题翻译：具有非磁性插入层的垂直磁记录头
公开(公告)号：US07688546B1
公开(公告)日：2010-03-30
申请号：US11643493
申请日：2006-12-21
申请人： Zhigang Bai , Peng Luo , Kroum S. Stoev , Francis H. Liu , Yugang Wang , Adam F. Torabi
发明人： Zhigang Bai , Peng Luo , Kroum S. Stoev , Francis H. Liu , Yugang Wang , Adam F. Torabi
IPC分类号： G11B5/17
CPC分类号： G11B5/3116 , G11B5/1278
摘要： The method and system provide a perpendicular magnetic recording (PMR) head having an air bearing surface (ABS). The PMR head includes first and second poles each having front and back gap regions, a first nonmagnetic insertion layer between the back gap regions, a magnetic pole layer with a front terminating at the ABS, a write gap, shield(s), a second nonmagnetic insertion layer between the second pole back gap region and the shield(s), and coil(s) between the shield(s) and the first pole. The magnetic pole layer terminates between the ABS and the second pole back gap region and has pole angle(s) of at least thirty and not more than fifty degrees. At least part of the magnetic pole layer resides on the second pole. Part of the shield(s) are adjacent to the write gap. Another part of the shield(s) is coupled with the second pole back gap region.
摘要翻译：该方法和系统提供具有空气轴承表面（ABS）的垂直磁记录（PMR）头。 PMR头包括第一和第二极，每个具有前后间隙区域，在后间隙区域之间的第一非磁性插入层，在ABS处终止于前面的磁极层，写入间隙，屏蔽，第二极第二极背间隙区域和屏蔽之间的非磁性插入层以及屏蔽和第一极之间的线圈。磁极层终止在ABS和第二极背间隙区域之间，并且具有至少三十度且不超过五十度的极角。磁极层的至少一部分位于第二极上。屏蔽的一部分与写入间隙相邻。屏蔽的另一部分与第二极背隙区域耦合。

2. 发明授权

US08247095B2 Energy assisted discrete track media with heat sink 有权
标题翻译：带散热器的能量辅助离散轨道介质
公开(公告)号：US08247095B2
公开(公告)日：2012-08-21
申请号：US12545692
申请日：2009-08-21
申请人： Eric J. Champion , Adam F. Torabi , Matthew R. Gibbons
发明人： Eric J. Champion , Adam F. Torabi , Matthew R. Gibbons
IPC分类号： G11B5/66
CPC分类号： G11B5/855 , B82Y10/00 , G11B5/7325 , G11B5/743 , G11B5/82 , G11B2005/0021
摘要： A discrete track perpendicular magnetic recording (PMR) disk and a method of fabricating the disk are described. The PMR disk may include a heat sink layer disposed above a substrate, intermediate layers disposed above the heat sink layer, and a magnetic recording layer disposed above the intermediate layers. The magnetic recording layer may have raised and recessed areas, where a heat conductive material may be disposed within one or more of the recessed areas.
摘要翻译：描述了离散轨道垂直磁记录（PMR）盘和制造盘的方法。 PMR盘可以包括设置在基板上方的散热层，设置在散热层上方的中间层和设置在中间层上方的磁记录层。磁记录层可以具有凸起和凹陷区域，其中导热材料可以设置在一个或多个凹进区域内。

3. 发明授权

US07324304B1 Tapered write pole for reduced skew effect 有权
标题翻译：锥形写柱，减少扭曲效应
公开(公告)号：US07324304B1
公开(公告)日：2008-01-29
申请号：US10993915
申请日：2004-11-18
申请人： Mourad Benakli , Michael Mallary , Adam F. Torabi
发明人： Mourad Benakli , Michael Mallary , Adam F. Torabi
IPC分类号： G11B5/127 , G11B5/31
CPC分类号： G11B5/3146 , G11B5/11 , G11B5/1278 , G11B5/1872 , G11B5/3116 , Y10T29/49032 , Y10T29/49052
摘要： A write pole for a read/write head of a disk drive system has a tapered surface on a leading edge thereof. Preferably, the tapered surface has a taper angle of between 0 and 20 degrees from a plane normal to the ABS. By having a write pole with a taper in this manner, sufficient write fields can be achieved even with thinner write pole tips on the ABS surface. By decreasing the thickness of the write pole tip in this manner while maintaining sufficiently high write fields, the skew profile of a write head can be decreased and areal density increased.
摘要翻译：用于磁盘驱动器系统的读/写头的写极在其前沿上具有锥形表面。优选地，锥形表面具有与垂直于ABS的平面在0和20度之间的锥角。通过以这种方式具有锥形的写入极，即使在ABS表面上具有较薄的写入极尖，也可以实现足够的写入场。通过以这种方式减小写极尖的厚度同时保持足够高的写入场，可以减小写头的偏斜轮廓并增加面密度。

4. 发明授权

US07161755B1 Increasing areal density in magnetic recording media 有权
标题翻译：磁记录介质中的面密度增加
公开(公告)号：US07161755B1
公开(公告)日：2007-01-09
申请号：US10408650
申请日：2003-04-07
申请人： Mourad Benakli , Michael Mallary , Adam F. Torabi
发明人： Mourad Benakli , Michael Mallary , Adam F. Torabi
IPC分类号： G11B5/02
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/02 , G11B5/64 , G11B5/746 , G11B2005/0002 , G11B2005/0029
摘要： A magnetic recording medium is made of a thin film medium that includes magnetic grains. At least one of a magnetization density of the magnetic grains, a crystalline anisotropy field of the magnetic grains, a thickness of the recording medium, an average diameter of the magnetic grains, and a surface packing fraction of the recording medium are selected so that resulting magneto-static fields both decrease thermal switching of individual magnetic grains and enhance collective switching of a group of magnetic grains in response to a switching magnetic field.
摘要翻译：磁记录介质由包括磁性颗粒的薄膜介质制成。选择磁性颗粒的磁化密度，磁性颗粒的晶体各向异性磁场，记录介质的厚度，磁性颗粒的平均直径和记录介质的表面填充分数中的至少一种，从而得到磁静电场都会降低各个磁性颗粒的热切换，并增强响应于开关磁场的一组磁性颗粒的集合切换。

5. 发明授权

US08164855B1 Method and system for providing a write pole in an energy assisted magnetic recording disk drive 有权
标题翻译：在能量辅助磁记录磁盘驱动器中提供写极的方法和系统
公开(公告)号：US08164855B1
公开(公告)日：2012-04-24
申请号：US12614341
申请日：2009-11-06
申请人： Matthew R. Gibbons , Kroum S. Stoev , Yugang Wang , Adam F. Torabi , Lijie Guan
发明人： Matthew R. Gibbons , Kroum S. Stoev , Yugang Wang , Adam F. Torabi , Lijie Guan
IPC分类号： G11B5/127
CPC分类号： G11B5/314 , G11B5/3116 , G11B2005/0021
摘要： A method and system for providing an energy assisted magnetic recording (EAMR) transducer coupled with a laser are described. The EAMR transducer has an air-bearing surface (ABS) residing in proximity to a media during use. The method and system include providing waveguide(s), a near-field transducer (NFT), write pole(s), and coil(s). The waveguide(s) direct energy from the laser toward the ABS. The NFT is coupled with the waveguide and focuses the energy onto the media. The write pole(s) include a stitch for providing a magnetic field to the media and a yoke coupled to the stitch. The stitch includes an ABS-facing surface, a sloped surface, and an NFT-facing surface between the ABS-facing and sloped surfaces. The NFT-facing surface is substantially parallel to the NFT. The sloped surface is sloped at least twenty-five and not more than sixty-five degrees with respect to the NFT-facing surface. The coil(s) energize the write pole(s).
摘要翻译：描述了一种用于提供与激光器耦合的能量辅助磁记录（EAMR）传感器的方法和系统。 EAMR传感器在使用过程中具有驻留在介质附近的空气轴承表面（ABS）。该方法和系统包括提供波导，近场换能器（NFT），写极和线圈。波导将能量从激光器引向ABS。 NFT与波导耦合，并将能量聚焦到介质上。写极包括用于向介质提供磁场的线圈和耦合到线圈的轭。该线圈包括面向ABS的表面，倾斜表面和面向ABS和倾斜表面之间的面向NFT的表面。面向NFT的表面基本上平行于NFT。倾斜的表面相对于面向NFT的表面倾斜至少二十五度且不超过六十五度。线圈使写入极点通电。

6. 发明申请

US20110043941A1 ENERGY ASSISTED DISCRETE TRACK MEDIA WITH HEAT SINK 有权
标题翻译：能源辅助离散跟踪介质与散热
公开(公告)号：US20110043941A1
公开(公告)日：2011-02-24
申请号：US12545692
申请日：2009-08-21
申请人： Eric J. Champion , Adam F. Torabi , Matthew R. Gibbons
发明人： Eric J. Champion , Adam F. Torabi , Matthew R. Gibbons
IPC分类号： G11B5/02 , G11B5/82 , G11B5/84
CPC分类号： G11B5/855 , B82Y10/00 , G11B5/7325 , G11B5/743 , G11B5/82 , G11B2005/0021
摘要： A discrete track perpendicular magnetic recording (PMR) disk and a method of fabricating the disk are described. The PMR disk may include a heat sink layer disposed above a substrate, intermediate layers disposed above the heat sink layer, and a magnetic recording layer disposed above the intermediate layers. The magnetic recording layer may have raised and recessed areas, where a heat conductive material may be disposed within one or more of the recessed areas.
摘要翻译：描述了离散轨道垂直磁记录（PMR）盘和制造盘的方法。 PMR盘可以包括设置在基板上方的散热层，设置在散热层上方的中间层和设置在中间层上方的磁记录层。磁记录层可以具有凸起和凹陷区域，其中导热材料可以设置在一个或多个凹进区域内。

7. 发明授权

US07149045B1 Longitudinal media with soft underlayer and perpendicular write head 有权
标题翻译：纵向介质具有柔软的底层和垂直写头
公开(公告)号：US07149045B1
公开(公告)日：2006-12-12
申请号：US10697075
申请日：2003-10-30
申请人： Michael L. Mallary , Steven Marshall , Mourad Benakli , Adam F. Torabi
发明人： Michael L. Mallary , Steven Marshall , Mourad Benakli , Adam F. Torabi
IPC分类号： G11B5/09 , G11B5/66 , G11B5/667
CPC分类号： G11B5/667 , G11B5/11 , G11B5/1278
摘要： A magnetic recording device including a longitudinal magnetic recording medium. The longitudinal magnetic recording medium includes a magnetically soft underlayer disposed under a longitudinal recording layer. A perpendicular write head is utilized to write data to the longitudinal magnetic recording medium wherein the longitudinal recording layer is disposed within an effective write gap formed by the perpendicular write head and the underlayer. The longitudinal component of the perpendicular write head is sufficient to switch the magnetic grains in the recording layer in the presence of the perpendicular field. The magnetic recording medium can have a high areal density and improved magnetic properties.
摘要翻译：一种包括纵向磁记录介质的磁记录装置。纵向磁记录介质包括设置在纵向记录层下方的磁软底层。使用垂直写入头将数据写入纵向磁记录介质，其中纵向记录层设置在由垂直写入头和底层形成的有效写入间隙内。垂直写入头的纵向分量足以在存在垂直场的情况下切换记录层中的磁性颗粒。磁记录介质可以具有高的面密度和改善的磁特性。

8. 发明授权

US06950277B1 Concave trailing edge write pole for perpendicular recording 失效
标题翻译：用于垂直记录的凹面后缘写入极
公开(公告)号：US06950277B1
公开(公告)日：2005-09-27
申请号：US10280881
申请日：2002-10-25
申请人： Hai Chi Nguy , Michael Mallary , Adam F. Torabi , Bruce Lairson
发明人： Hai Chi Nguy , Michael Mallary , Adam F. Torabi , Bruce Lairson
IPC分类号： G11B5/127 , G11B5/187 , G11B5/23 , G11B5/31
CPC分类号： G11B5/3146 , G11B5/11 , G11B5/1278 , G11B5/3116
摘要： A magnetic recording system includes a magnetic medium and a magnetic write head to write information on the magnetic medium. The magnetic write head includes a write pole having a downstream side that has a concave shaped portion when the write pole is viewed from an air bearing surface of the magnetic write head.
摘要翻译：磁记录系统包括磁介质和用于在磁介质上写信息的磁写头。磁写头包括写磁极，当从磁写头的空气轴承表面观察写磁极时，具有下游侧具有凹形部分的写磁极。

9. 发明授权

US08385157B1 Method and system for performing EAMR recording at high density using a large thermal spot size 有权
标题翻译：使用大的热点尺寸以高密度进行EAMR记录的方法和系统
公开(公告)号：US08385157B1
公开(公告)日：2013-02-26
申请号：US12570975
申请日：2009-09-30
申请人： Eric J. Champion , Francis H. Liu , Adam F. Torabi
发明人： Eric J. Champion , Francis H. Liu , Adam F. Torabi
IPC分类号： G11B11/00
CPC分类号： G11B5/012 , G11B2005/0021
摘要： A method and system for writing data to a media utilizing an energy assisted magnetic recording (EAMR) head are described. The EAMR head includes at least one laser and at least one EAMR transducer. The laser(s) provide energy. The EAMR transducer(s) are coupled with the laser. The EAMR transducer(s) are configured to direct the energy to spot(s) on the media and to write a plurality of tracks of data in a block. The method and system include writing a track of the plurality of tracks on the media within the spot(s) using the EAMR transducer and stepping a track pitch along a particular radial direction on the media. The method and system also include repeating the writing and stepping steps until the plurality of tracks for the block is written.
摘要翻译：描述了使用能量辅助磁记录（EAMR）头将数据写入介质的方法和系统。 EAMR头包括至少一个激光器和至少一个EAMR传感器。激光器提供能量。 EAMR传感器与激光器耦合。 EAMR传感器被配置为将能量引导到介质上的点，并将多个数据轨迹写入块中。该方法和系统包括使用EAMR传感器在所述位置内的介质上写入多个轨道的轨道，并且沿着介质上的特定径向方向对轨道间距进行步进。方法和系统还包括重复写入和步进步骤，直到写入块的多个轨道为止。

10. 发明授权

US08310901B1 Method and system for providing separate write and optical modules in an energy assisted magnetic recording disk drive 有权
标题翻译：在能量辅助磁记录磁盘驱动器中提供单独写入和光学模块的方法和系统
公开(公告)号：US08310901B1
公开(公告)日：2012-11-13
申请号：US12796806
申请日：2010-06-09
申请人： Sharat Batra , Adam F. Torabi , Matthew R. Gibbons , Yugang Wang , Kroum S. Stoev
发明人： Sharat Batra , Adam F. Torabi , Matthew R. Gibbons , Yugang Wang , Kroum S. Stoev
IPC分类号： G11B11/00
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/314 , G11B5/6088 , G11B2005/0021
摘要： An energy assisted magnetic recording (EAMR) transducer coupled with a laser is described. The EAMR transducer has an air-bearing surface (ABS) residing near a media during use. The EAMR transducer includes optical and writer modules. The optical module includes a waveguide and a near field transducer (NFT). The waveguide directs the energy from the laser toward the ABS. The NFT focuses the energy onto the media. The optical and writer modules are physically separate such that no portion of the waveguide is interleaved with a magnetic portion of the writer module. The writer module includes a write pole and coil(s). The write pole includes a pole-tip portion for providing a magnetic field to the media and a yoke. The pole-tip portion has an ABS-facing surface, a sloped surface, and a NFT-facing surface therebetween. The sloped surface is at least twenty-five and not more than sixty-five degrees from the NFT-facing surface.
摘要翻译：描述了与激光器耦合的能量辅助磁记录（EAMR）传感器。在使用过程中，EAMR传感器具有驻留在介质附近的空气轴承表面（ABS）。 EAMR传感器包括光学和写入器模块。光学模块包括波导和近场换能器（NFT）。波导将能量从激光器引向ABS。 NFT将能量集中在媒体上。光学和写入器模块是物理上分离的，使得波导的任何部分与写入器模块的磁性部分交错。写入器模块包括一个写入极和线圈。写极包括用于向介质和磁轭提供磁场的极尖部分。极尖部分具有面向ABS的表面，倾斜表面和它们之间的面向NFT的表面。倾斜表面距离面向NFT的表面至少二十五度且不超过六十五度。

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