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1. 发明申请

US20100061018A1 MAGNETIC RECORDING DISK DRIVE WITH PATTERNED MEDIA AND OPTICAL SYSTEM FOR CLOCKING WRITE DATA 有权
标题翻译：带有图形媒体的磁记录磁盘驱动器和用于定时写入数据的光学系统
公开(公告)号：US20100061018A1
公开(公告)日：2010-03-11
申请号：US12209089
申请日：2008-09-11
申请人： Thomas R. Albrecht , Manfred Ernst Schabes , Barry Cushing Stipe , Gabriel Zeltzer
发明人： Thomas R. Albrecht , Manfred Ernst Schabes , Barry Cushing Stipe , Gabriel Zeltzer
IPC分类号： G11B5/82
CPC分类号： G11B5/314 , B82Y10/00 , G11B5/4866 , G11B5/59616 , G11B5/59677 , G11B5/743 , G11B5/82
摘要： A patterned-media magnetic recording disk drive uses an optical system for accurately clocking the write data. The disk has concentric data tracks patterned into discrete magnetizable data islands with nonmagnetic spaces between the islands. As the disk rotates, a radiation source directs near-field radiation to the islands and spaces, and a radiation detector receives reflected radiation. The radiation is directed from the source through an optical channel or waveguide on the air-bearing slider that supports the read and write heads. The optical channel or waveguide has a near-field transducer at the disk-facing surface of the slider where the near-field radiation exits and reflected radiation returns. The reflected optical power varies depending on whether the near-field transducer couples to an island or a space, so the radiation detector output signal represents the frequency and phase of the islands as the disk rotates. The write clock that controls write pulses to the write head is responsive to the radiation detector output signal, so the frequency and phase of the write clock signal can be matched to the frequency and phase of the islands as the disk rotates.
摘要翻译：图形媒体磁记录磁盘驱动器使用光学系统来准确地计时写入数据。磁盘具有图案化成离散的可磁化数据岛之间的同心数据轨道，岛之间具有非磁性空间。当盘旋转时，辐射源将近场辐射引导到岛和空间，并且辐射检测器接收反射的辐射。辐射从源通过支撑读写头的含气滑块上的光通道或波导引导。光通道或波导在滑块的面向盘的表面处具有近场换能器，其中近场辐射离开并且反射辐射返回。反射的光功率取决于近场换能器耦合到岛还是空间，因此辐射检测器输出信号表示盘旋转时岛的频率和相位。将写入脉冲控制到写入头的写入时钟响应于辐射检测器输出信号，因此当时间盘旋转时，写时钟信号的频率和相位可以与岛的频率和相位匹配。

2. 发明授权

US07852587B2 Thermal assisted recording (TAR) disk drive capable of controlling the write pulses 有权
标题翻译：能够控制写入脉冲的热辅助记录（TAR）磁盘驱动器
公开(公告)号：US07852587B2
公开(公告)日：2010-12-14
申请号：US12209089
申请日：2008-09-11
申请人： Thomas R Albrecht , Manfred Ernst Schabes , Barry Cushing Stipe , Gabriel Zeltzer
发明人： Thomas R Albrecht , Manfred Ernst Schabes , Barry Cushing Stipe , Gabriel Zeltzer
IPC分类号： G11B5/02
CPC分类号： G11B5/314 , B82Y10/00 , G11B5/4866 , G11B5/59616 , G11B5/59677 , G11B5/743 , G11B5/82
摘要： A patterned-media magnetic recording disk drive uses an optical system for accurately clocking the write data. The disk has concentric data tracks patterned into discrete magnetizable data islands with nonmagnetic spaces between the islands. As the disk rotates, a radiation source directs near-field radiation to the islands and spaces, and a radiation detector receives reflected radiation. The radiation is directed from the source through an optical channel or waveguide on the air-bearing slider that supports the read and write heads. The optical channel or waveguide has a near-field transducer at the disk-facing surface of the slider where the near-field radiation exits and reflected radiation returns. The reflected optical power varies depending on whether the near-field transducer couples to an island or a space, so the radiation detector output signal represents the frequency and phase of the islands as the disk rotates. The write clock that controls write pulses to the write head is responsive to the radiation detector output signal, so the frequency and phase of the write clock signal can be matched to the frequency and phase of the islands as the disk rotates.
摘要翻译：图形媒体磁记录磁盘驱动器使用光学系统来准确地计时写入数据。磁盘具有图案化成离散的可磁化数据岛之间的同心数据轨道，岛之间具有非磁性空间。当盘旋转时，辐射源将近场辐射引导到岛和空间，并且辐射检测器接收反射的辐射。辐射从源通过支撑读写头的含气滑块上的光通道或波导引导。光通道或波导在滑块的面向盘的表面处具有近场换能器，其中近场辐射离开并且反射辐射返回。反射的光功率取决于近场换能器耦合到岛还是空间，因此辐射检测器输出信号表示盘旋转时岛的频率和相位。将写入脉冲控制到写入头的写入时钟响应于辐射检测器输出信号，因此当时间盘旋转时，写时钟信号的频率和相位可以与岛的频率和相位匹配。

3. 发明申请

US20100091618A1 PATTERNED-MEDIA MAGNETIC RECORDING DISK WITH OPTICAL CONTRAST ENHANCEMENT AND DISK DRIVE USING OPTICAL CONTRAST FOR WRITE SYNCHRONIZATION 有权
标题翻译：具有光学对比度增强的图形磁记录磁盘和使用光学对比的磁盘驱动器进行写入同步
公开(公告)号：US20100091618A1
公开(公告)日：2010-04-15
申请号：US12248806
申请日：2008-10-09
申请人： Manfred Ernst Schabes , Barry Cushing Stipe , Gabriel Zeltzer
发明人： Manfred Ernst Schabes , Barry Cushing Stipe , Gabriel Zeltzer
IPC分类号： G11B11/00
CPC分类号： G11B5/59677 , B82Y10/00 , G11B5/314 , G11B5/6088 , G11B5/743
摘要： A patterned-media magnetic recording disk drive uses an optical system for clocking the write data and a patterned-media disk that has discrete magnetizable data islands with nonmagnetic spaces between the islands, wherein the nonmagnetic spaces contain optical contrast material. The optical contrast material may be optically absorptive material, fluorescent material, or a metal layer that generates surface plasmons when excited by radiation of a specific wavelength. Radiation from a primary radiation source is directed to a near-field transducer maintained near the disk surface and a radiation detector detects radiation reflected back from the transducer. If the disk has fluorescent material or a metal layer in the nonmagnetic spaces, then a secondary radiation source irradiates the fluorescent material or metal layer with radiation of a specific wavelength to cause the fluorescent material to emit radiation or the metal layer to generate surface plasmons. As the disk rotates, reflected optical power from the transducer varies depending on whether an island or space is under the transducer. The output signal from the radiation detector output controls the write clock.
摘要翻译：图案介质磁记录磁盘驱动器使用光学系统对写入数据进行计时，并且图案化介质盘具有在岛之间具有非磁性空间的离散可磁化数据岛，其中非磁性空间包含光学对比材料。光学对比材料可以是光吸收材料，荧光材料或当通过特定波长的辐射激发时产生表面等离子体激元的金属层。来自主辐射源的辐射被引导到保持在盘表面附近的近场换能器，并且辐射检测器检测从换能器反射的辐射。如果磁盘在非磁性空间中具有荧光材料或金属层，则辅助辐射源用特定波长的辐射照射荧光材料或金属层，以使荧光材料发射辐射或金属层以产生表面等离子体激元。当盘旋转时，来自换能器的反射光功率取决于岛或空间是否在换能器之下。来自辐射检测器输出的输出信号控制写入时钟。

4. 发明授权

US07796353B2 Patterned-media magnetic recording disk with optical contrast enhancement and disk drive using optical contrast for write synchronization 有权
标题翻译：带光学对比度增强的图形介质磁记录磁盘和使用光学对比度的磁盘驱动器进行写入同步
公开(公告)号：US07796353B2
公开(公告)日：2010-09-14
申请号：US12248806
申请日：2008-10-09
申请人： Manfred Ernst Schabes , Barry Cushing Stipe , Gabriel Zeltzer
发明人： Manfred Ernst Schabes , Barry Cushing Stipe , Gabriel Zeltzer
IPC分类号： G11B5/02
CPC分类号： G11B5/59677 , B82Y10/00 , G11B5/314 , G11B5/6088 , G11B5/743
摘要： A patterned-media magnetic recording disk drive uses an optical system for clocking the write data and a patterned-media disk that has discrete magnetizable data islands with nonmagnetic spaces between the islands, wherein the nonmagnetic spaces contain optical contrast material. The optical contrast material may be optically absorptive material, fluorescent material, or a metal layer that generates surface plasmons when excited by radiation of a specific wavelength. Radiation from a primary radiation source is directed to a near-field transducer maintained near the disk surface and a radiation detector detects radiation reflected back from the transducer. If the disk has fluorescent material or a metal layer in the nonmagnetic spaces, then a secondary radiation source irradiates the fluorescent material or metal layer with radiation of a specific wavelength to cause the fluorescent material to emit radiation or the metal layer to generate surface plasmons. As the disk rotates, reflected optical power from the transducer varies depending on whether an island or space is under the transducer. The output signal from the radiation detector output controls the write clock.
摘要翻译：图案介质磁记录磁盘驱动器使用光学系统对写入数据进行计时，并且图案化介质盘具有在岛之间具有非磁性空间的离散可磁化数据岛，其中非磁性空间包含光学对比材料。光学对比材料可以是光吸收材料，荧光材料或当通过特定波长的辐射激发时产生表面等离子体激元的金属层。来自主辐射源的辐射被引导到保持在盘表面附近的近场换能器，并且辐射检测器检测从换能器反射的辐射。如果磁盘在非磁性空间中具有荧光材料或金属层，则辅助辐射源用特定波长的辐射照射荧光材料或金属层，以使荧光材料发射辐射或金属层以产生表面等离子体激元。当盘旋转时，来自换能器的反射光功率取决于岛或空间是否在换能器之下。来自辐射检测器输出的输出信号控制写入时钟。

5. 发明授权

US08355300B2 Thermally-assisted recording (TAR) patterned-media disk drive with optical detection of write synchronization and servo fields 有权
标题翻译：热辅助记录（TAR）图案媒体磁盘驱动器，具有写入同步和伺服字段的光学检测
公开(公告)号：US08355300B2
公开(公告)日：2013-01-15
申请号：US12898381
申请日：2010-10-05
申请人： Michael Konrad Grobis , Manfred Ernst Schabes , Barry Cushing Stipe
发明人： Michael Konrad Grobis , Manfred Ernst Schabes , Barry Cushing Stipe
IPC分类号： G11B11/00
CPC分类号： G11B5/59677 , G11B5/012 , G11B5/59616 , G11B5/746 , G11B2005/0021
摘要： A thermally-assisted recording (TAR) bit-patterned-media (BPM) magnetic recording disk drive uses optical detection of synchronization fields for write synchronization and optical detection of servo sectors for read/write head positioning. The synchronization fields and servo sectors extend generally radially across the data tracks and are patterned into discrete nondata blocks separated by gaps in the along-the-track direction. A near-field transducer (NFT) directs laser radiation to the disk and generates a power absorption profile on the disk that has a characteristic along-the-track spot size less than the along-the-track length of the gaps between the nondata blocks in the synchronization fields and servo sectors. A sensor provides an output signal in response to radiation from the nondata blocks and gaps in the synchronization fields and servo sectors as the disk rotates to control the timing of the magnetic write field applied to the data islands and to control the positioning of the read/write head on the data tracks.
摘要翻译：热辅助记录（TAR）位图案介质（BPM）磁记录磁盘驱动器使用同步磁场的光学检测来进行读/写头定位的伺服扇区的写入同步和光学检测。同步场和伺服扇区通常径向延伸穿过数据轨道，并且被图案化成沿轨道方向上的间隙分开的离散非平面块。近场传感器（NFT）将激光辐射引导到盘上并在盘上产生功率吸收曲线，其具有小于轨道光斑尺寸的特征，该尺寸小于非数据块之间的间隙的沿着轨道长度在同步领域和伺服领域。传感器响应于来自非数据块的辐射和同步场和伺服扇区中的间隙而提供输出信号，因为盘旋转以控制施加到数据岛的磁写入场的定时，并且控制读/ 在数据轨上写头。

6. 发明申请

US20120082015A1 THERMALLY-ASSISTED RECORDING (TAR) PATTERNED-MEDIA DISK DRIVE WITH OPTICAL DETECTION OF WRITE SYNCHRONIZATION AND SERVO FIELDS 有权
标题翻译：热辅助记录（TAR）图形媒体磁盘驱动器，具有写入同步和伺服字段的光学检测
公开(公告)号：US20120082015A1
公开(公告)日：2012-04-05
申请号：US12898381
申请日：2010-10-05
申请人： Michael Konrad Grobis , Manfred Ernst Schabes , Barry Cushing Stipe
发明人： Michael Konrad Grobis , Manfred Ernst Schabes , Barry Cushing Stipe
IPC分类号： G11B11/00
CPC分类号： G11B5/59677 , G11B5/012 , G11B5/59616 , G11B5/746 , G11B2005/0021
摘要： A thermally-assisted recording (TAR) bit-patterned-media (BPM) magnetic recording disk drive uses optical detection of synchronization fields for write synchronization and optical detection of servo sectors for read/write head positioning. The synchronization fields and servo sectors extend generally radially across the data tracks and are patterned into discrete nondata blocks separated by gaps in the along-the-track direction. A near-field transducer (NFT) directs laser radiation to the disk and generates a power absorption profile on the disk that has a characteristic along-the-track spot size less than the along-the-track length of the gaps between the nondata blocks in the synchronization fields and servo sectors. A sensor provides an output signal in response to radiation from the nondata blocks and gaps in the synchronization fields and servo sectors as the disk rotates to control the timing of the magnetic write field applied to the data islands and to control the positioning of the read/write head on the data tracks.
摘要翻译：热辅助记录（TAR）位图案介质（BPM）磁记录磁盘驱动器使用同步磁场的光学检测来进行读/写头定位的伺服扇区的写入同步和光学检测。同步场和伺服扇区通常径向延伸穿过数据轨道，并且被图案化成沿轨道方向上的间隙分开的离散非平面块。近场传感器（NFT）将激光辐射引导到盘上并在盘上产生功率吸收曲线，其具有小于轨道光斑尺寸的特征，该尺寸小于非数据块之间的间隙的沿着轨道长度在同步领域和伺服领域。传感器响应于来自非数据块的辐射和同步场和伺服扇区中的间隙而提供输出信号，因为盘旋转以控制施加到数据岛的磁写入场的定时，并且控制读/ 在数据轨上写头。

7. 发明授权

US08541116B2 Patterned perpendicular magnetic recording disk drive and medium with patterned exchange bridge layer below the data islands 有权
标题翻译：图案化的垂直磁记录磁盘驱动器和介质，在数据岛下方有图案交换桥接层
公开(公告)号：US08541116B2
公开(公告)日：2013-09-24
申请号：US12906909
申请日：2010-10-18
申请人： Olav Hellwig , Dan Saylor Kercher , Ernesto E. Marinero , Manfred Ernst Schabes , Dieter K. Weller , Gabriel Zeltzer
发明人： Olav Hellwig , Dan Saylor Kercher , Ernesto E. Marinero , Manfred Ernst Schabes , Dieter K. Weller , Gabriel Zeltzer
IPC分类号： G11B5/66
CPC分类号： G11B5/855 , G11B5/746 , G11B2005/0021
摘要： A patterned perpendicular magnetic recording disk with discrete data islands of recording layer (RL) material includes a substrate, a patterned exchange bridge layer of magnetic material between the substrate and the islands, and an optional exchange-coupling control layer (CCL) between the exchange bridge layer and the islands. The exchange bridge layer has patterned pedestals below the islands. The exchange bridge layer controls exchange interactions between the RLs in adjacent islands to compensate the dipolar fields between islands, and the pedestals concentrate the flux from the write head. The disk may include a soft underlayer (SUL) of soft magnetically permeable material on the substrate and a nonmagnetic exchange break layer (EBL) on the SUL between the SUL and the exchange bridge layer. In a thermally-assisted recording (TAR) disk a heat sink layer may be located below the exchange bridge layer and the SUL may be optional.
摘要翻译：具有记录层（RL）材料的离散数据岛的图案化垂直磁记录盘包括衬底，在衬底和岛之间的图案化的磁性材料交换桥接层，以及在交换器之间的任选的交换耦合控制层（CCL）桥梁层和岛屿。交换桥层在岛屿下方有图案化的基座。交换桥接层控制相邻岛中的RL之间的交换相互作用以补偿岛之间的偶极场，并且基座集中来自写头的磁通。盘可以包括在衬底上的软磁性可渗透材料的软底层（SUL）和在SUL和交换桥接层之间的SUL上的非磁性交换断层（EBL）。在热辅助记录（TAR）盘中，散热层可以位于交换桥接层下方，并且SUL可以是可选的。

8. 发明申请

US20120092790A1 PATTERNED PERPENDICULAR MAGNETIC RECORDING DISK DRIVE AND MEDIUM WITH PATTERNED EXCHANGE BRIDGE LAYER BELOW THE DATA ISLANDS 有权
标题翻译：图形数字岛上的图形交换电路板图形磁记录磁盘驱动器和介质
公开(公告)号：US20120092790A1
公开(公告)日：2012-04-19
申请号：US12906909
申请日：2010-10-18
申请人： Olav Hellwig , Dan Saylor Kercher , Ernesto E. Marinero , Manfred Ernst Schabes , Dieter K. Weller , Gabriel Zeltzer
发明人： Olav Hellwig , Dan Saylor Kercher , Ernesto E. Marinero , Manfred Ernst Schabes , Dieter K. Weller , Gabriel Zeltzer
IPC分类号： G11B5/82 , G11B5/02 , G11B5/706 , G11B5/127
CPC分类号： G11B5/855 , G11B5/746 , G11B2005/0021
摘要： A patterned perpendicular magnetic recording disk with discrete data islands of recording layer (RL) material includes a substrate, a patterned exchange bridge layer of magnetic material between the substrate and the islands, and an optional exchange-coupling control layer (CCL) between the exchange bridge layer and the islands. The exchange bridge layer has patterned pedestals below the islands. The exchange bridge layer controls exchange interactions between the RLs in adjacent islands to compensate the dipolar fields between islands, and the pedestals concentrate the flux from the write head. The disk may include a soft underlayer (SUL) of soft magnetically permeable material on the substrate and a nonmagnetic exchange break layer (EBL) on the SUL between the SUL and the exchange bridge layer. In a thermally-assisted recording (TAR) disk a heat sink layer may be located below the exchange bridge layer and the SUL may be optional.
摘要翻译：具有记录层（RL）材料的离散数据岛的图案化垂直磁记录盘包括衬底，在衬底和岛之间的图案化的磁性材料交换桥接层，以及在交换器之间的任选的交换耦合控制层（CCL）桥梁层和岛屿。交换桥层在岛屿下方有图案化的基座。交换桥接层控制相邻岛中的RL之间的交换相互作用以补偿岛之间的偶极场，并且基座集中来自写头的磁通。盘可以包括在衬底上的软磁性可渗透材料的软底层（SUL）和在SUL和交换桥接层之间的SUL上的非磁性交换断层（EBL）。在热辅助记录（TAR）盘中，散热层可以位于交换桥接层下方，并且SUL可以是可选的。

9. 发明授权

US07848048B1 Patterned media magnetic recording disk drive with write clock phase adjustment for write head track misregistration 有权
标题翻译：带图形的介质磁记录磁盘驱动器，具有写入时钟相位调整用于写入磁头轨迹重合
公开(公告)号：US07848048B1
公开(公告)日：2010-12-07
申请号：US12477765
申请日：2009-06-03
申请人： Thomas R Albrecht , Manfred Ernst Schabes
发明人： Thomas R Albrecht , Manfred Ernst Schabes
IPC分类号： G11B21/02
CPC分类号： G11B5/59627 , B82Y10/00 , G11B5/743
摘要： A patterned-media magnetic recording disk drive has compensation for write head track misregistration (TMR) from the track centerline. As the disk rotates, the read head detects angularly spaced servo sectors and generates a position error signal (PES) which is used by the servo control system to maintain the read head on track. As the disk rotates, the read head also detects angularly spaced synchronization marks, which are used to control the write clock so that magnetization reversal of the magnetic write field from the write head is synchronized with the position of the data islands. If there is TMR of the write head, there will be an effective shift of Δφ in the timing of when the center of the data islands pass through the write field. The disk drive includes write clock phase adjustment circuitry that correlates the PES with Δφ to compensate for TMR of the write head.
摘要翻译：图案介质磁记录磁盘驱动器对从轨道中心线的写入磁头轨迹重合失调（TMR）进行补偿。当磁盘旋转时，读取头检测角度间隔的伺服扇区，并产生位置误差信号（PES），伺服控制系统使用该位置误差信号来维持读取头的轨迹。当盘旋转时，读取头还检测角度间隔的同步标记，其用于控制写入时钟，使得写入磁头的磁性写入磁场的磁化反转与数据岛的位置同步。如果有写头的TMR，将会有一个有效的转移＆Dgr＆在数据岛的中心通过写入场的时刻。磁盘驱动器包括写时钟相位调整电路，其将PES与＆Dgr＆amp; 以补偿写入头的TMR。

10. 发明授权

US07782561B2 Patterned magnetic recording medium with data island pattern for improved reading and writing and magnetic recording system incorporating the medium 有权
标题翻译：具有数据岛图案的图案化磁记录介质，用于改进读写和结合介质的磁记录系统
公开(公告)号：US07782561B2
公开(公告)日：2010-08-24
申请号：US11680398
申请日：2007-02-28
申请人： Thomas R. Albrecht , Michael A. Moser , Manfred Ernst Schabes , Xiao Z. Wu
发明人： Thomas R. Albrecht , Michael A. Moser , Manfred Ernst Schabes , Xiao Z. Wu
IPC分类号： G11B5/09
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/02 , G11B5/74 , G11B5/743 , G11B5/746 , G11B5/855 , G11B2005/0002
摘要： A patterned magnetic recording medium has discrete data islands arranged in spaced-apart tracks, with the tracks being arranged in multi-track groups or “hypertracks”. The islands have an equal island-spacing (IS) distance in the along-the-track direction and within each hypertrack the tracks are spaced-apart an equal track-spacing (TS) distance. If there are N tracks in a hypertrack then the islands in each track of a hypertrack are shifted in the along-the-track direction by 1/N times IS from the islands in adjacent tracks in the same hypertrack. The read and write heads have a lateral or cross-track width generally equal to the cross-track width of a hypertrack, so the read and write heads span all the individual tracks in a hypertrack. The hypertracks are spaced apart cross-track direction by a group-spacing (GS) distance, with GS being greater than TS. The islands in a hypertrack may be shifted in the along-the-track direction by approximately ½N times IS from the islands in adjacent hypertracks.
摘要翻译：图案化磁记录介质具有布置在间隔开的轨道中的离散数据岛，轨道被布置成多轨道组或“超曲线”。这些岛在沿轨道方向上具有相等的岛间距（IS）距离，并且在每个超曲线内，轨迹间隔相等的轨道间距（TS）距离。如果超轨迹中存在N个轨道，那么超轨迹的每个轨道中的岛屿沿轨道方向从同一超轨迹中相邻轨道中的岛屿移位IS / N次IS。读写头具有通常等于超曲线的横向轨道宽度的横向或横向轨道宽度，因此读和写头跨越超轨迹中的所有单个轨道。超曲线是跨距离方向间距（GS）距离，GS大于TS。超轨迹中的岛屿可能沿着轨道方向从相邻超轨道中的岛屿移位约1/2倍的IS。

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