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1. 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。

2. 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。

3. 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。

4. 发明授权

US08163405B2 System, method and apparatus for multiple anisotropy layered magnetic structures for controlling reversal mechanism and tightening of switching field distribution in bit patterned media 有权
标题翻译：用于控制反转机构的多个各向异性分层磁结构的系统，方法和装置以及在位图形介质中切换场分布的紧固
公开(公告)号：US08163405B2
公开(公告)日：2012-04-24
申请号：US12412403
申请日：2009-03-27
申请人： Thomas Hauet , Olav Hellwig , Manfred Ernst Schabes
发明人： Thomas Hauet , Olav Hellwig , Manfred Ernst Schabes
IPC分类号： G11B5/66
CPC分类号： G11B5/855 , B82Y10/00 , G11B5/743 , G11B5/82
摘要： Multiple anisotropy layered magnetic structures for controlling reversal mechanism and tightening of switching field distribution in bit patterned media are disclosed. The invention extends the exchange spring concept to more variable and sophisticated structures. Three or more layers with different anisotropy or anisotropy gradients increase writeability gains beyond the simple hard/soft bilayer exchange spring concept for BPM. The structures have a thin very hard, high anisotropy center layer that acts as a threshold or pinning layer for domain wall propagation through the entire media structure. In addition or alternatively, a thin very soft, low anisotropy center layer in between the commonly used soft surface layer and hard media layer allows quick initial propagation of the domain wall into the center of the media structure. Various properties of the media structures can be tuned more independently for optimization if using more advanced multi-anisotropy layer stacks.
摘要翻译：公开了用于控制反向机构的多个各向异性分层磁结构和紧固位图案化介质中的开关场分布。本发明将交换弹簧概念扩展到更可变和复杂的结构。具有不同各向异性或各向异性梯度的三层或更多层可提高超过BPM的简单硬/软双层交换弹簧概念的可写性增益。该结构具有薄的非常硬，高各向异性中心层，其作为用于通过整个介质结构传播的畴壁的阈值或钉扎层。另外或替代地，在通常使用的软表面层和硬介质层之间的薄的非常柔软的低各向异性中心层允许域壁快速地初始传播到介质结构的中心。如果使用更先进的多向各向异性层堆叠，则可以更独立地调整介质结构的各种特性以进行优化。

5. 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。

6. 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。

7. 发明申请

US20100247969A1 SYSTEM, METHOD AND APPARATUS FOR MULTIPLE ANISOTROPY LAYERED MAGNETIC STRUCTURES FOR CONTROLLING REVERSAL MECHANISM AND TIGHTENING OF SWITCHING FIELD DISTRIBUTION IN BIT PATTERNED MEDIA 有权
标题翻译：用于控制反转机械的多个非均匀层状磁结构的系统，方法和装置，并在位图形媒体中开关切换场分布
公开(公告)号：US20100247969A1
公开(公告)日：2010-09-30
申请号：US12412403
申请日：2009-03-27
申请人： Thomas Hauet , Olav Hellwig , Manfred Ernst Schabes
发明人： Thomas Hauet , Olav Hellwig , Manfred Ernst Schabes
IPC分类号： G11B5/66 , G11B5/64 , G11B5/65
CPC分类号： G11B5/855 , B82Y10/00 , G11B5/743 , G11B5/82
摘要： Multiple anisotropy layered magnetic structures for controlling reversal mechanism and tightening of switching field distribution in bit patterned media are disclosed. The invention extends the exchange spring concept to more variable and sophisticated structures. Three or more layers with different anisotropy or anisotropy gradients increase writeability gains beyond the simple hard/soft bilayer exchange spring concept for BPM. The structures have a thin very hard, high anisotropy center layer that acts as a threshold or pinning layer for domain wall propagation through the entire media structure. In addition or alternatively, a thin very soft, low anisotropy center layer in between the commonly used soft surface layer and hard media layer allows quick initial propagation of the domain wall into the center of the media structure. Various properties of the media structures can be tuned more independently for optimization if using more advanced multi-anisotropy layer stacks.
摘要翻译：公开了用于控制反向机构的多个各向异性分层磁结构和紧固位图案化介质中的开关场分布。本发明将交换弹簧概念扩展到更可变和复杂的结构。具有不同各向异性或各向异性梯度的三层或更多层可提高超过BPM的简单硬/软双层交换弹簧概念的可写性增益。该结构具有薄的非常硬，高各向异性中心层，其作为用于通过整个介质结构传播的畴壁的阈值或钉扎层。另外或替代地，在通常使用的软表面层和硬介质层之间的薄的非常柔软的低各向异性中心层允许域壁快速地初始传播到介质结构的中心。如果使用更先进的多向各向异性层堆叠，则可以更独立地调整介质结构的各种特性以进行优化。

8. 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。

9. 发明授权

US08755142B2 Magnetic recording disk drive with method for data preservation during high track misregistration (TMR) environment 有权
标题翻译：磁记录磁盘驱动器，用于高跟踪配准（TMR）环境下的数据保存方法
公开(公告)号：US08755142B2
公开(公告)日：2014-06-17
申请号：US13528794
申请日：2012-06-20
申请人： Michael Konrad Grobis , Manfred Ernst Schabes
发明人： Michael Konrad Grobis , Manfred Ernst Schabes
IPC分类号： G11B5/54
CPC分类号： G11B19/045 , G11B5/596
摘要： A hard disk drive (HDD) has a high track misregistration (TMR) mode of writing data. If the position error signal (PES) from the servo positioning information exceeds a first write inhibit threshold (WI-1), writing is not inhibited but a high TMR mode of operation is enabled. In high TMR mode, prior to writing data to the target track, the data on the adjacent tracks is read and stored in a buffer. The data to be written to the target track is also stored in the buffer, and is flagged to indicate that the data needs to be written. The data is then written to the target track. However, if during writing the PES exceeds a second threshold (WI-2), then the data from the adjacent encroached track in the buffer is flagged for writing and the process repeated with the encroached track set as the target track.
摘要翻译：硬盘驱动器（HDD）具有写入数据的高轨迹重合失调（TMR）模式。如果来自伺服定位信息的位置误差信号（PES）超过第一写入禁止阈值（WI-1），则不禁止写入，而是能够进行高TMR操作模式。在高TMR模式中，在将数据写入目标轨迹之前，相邻轨道上的数据被读取并存储在缓冲器中。要写入目标轨道的数据也存储在缓冲区中，并被标记以指示数据需要写入。然后将数据写入目标轨道。然而，如果在写入期间PES超过第二阈值（WI-2），则来自缓冲器中的相邻被侵入轨道的数据被标记为写入，并且以侵入的轨道设置为目标轨道重复该过程。

10. 发明授权

US08116031B2 Perpendicular magnetic recording system with helical write coil and auxiliary coil for fast switching of write pole magnetization 有权
标题翻译：具有螺旋写入线圈和辅助线圈的垂直磁记录系统，用于快速切换写磁极磁化
公开(公告)号：US08116031B2
公开(公告)日：2012-02-14
申请号：US12419278
申请日：2009-04-06
申请人： Michael Alex , John Thomas Contreras , Manfred Ernst Schabes , Xinzhi Xing
发明人： Michael Alex , John Thomas Contreras , Manfred Ernst Schabes , Xinzhi Xing
IPC分类号： G11B5/17
CPC分类号： G11B5/3123 , G11B5/1278 , G11B2005/001
摘要： A perpendicular magnetic recording system has a write head having a main helical coil (the write coil) and main pole (the write pole) that directs write flux in a direction perpendicular to the recording layer in the magnetic recording medium, and an auxiliary coil and auxiliary pole that injects magnetic flux into the write pole at an angle to the primary or perpendicular axis of the write pole. The auxiliary coil is preferably a helical coil wrapped around the auxiliary pole. The additional flux from the auxiliary pole, which is injected non-parallel to the primary magnetization of the write pole, exerts a relatively large torque on the magnetization of the write pole, thereby facilitating magnetization reversal of the write pole. Electrical circuitry is connected to the main coil and the auxiliary coil to generate the auxiliary flux simultaneous with the switching of the magnetization of the write pole.
摘要翻译：垂直磁记录系统具有写磁头，该写头具有主磁螺旋线圈（写线圈）和主磁极（写磁极），其在与磁记录介质中的记录层垂直的方向上引导写磁通，辅助线圈和辅助极以与写极的主轴或垂直轴成一定角度注入磁极。辅助线圈优选为缠绕在辅助极上的螺旋线圈。来自辅助极的不平行于写入磁极的一次磁化的附加磁通对写入磁极的磁化施加相对较大的转矩，从而促进写入极的磁化反转。电路连接到主线圈和辅助线圈，以与写入极的磁化转换同时产生辅助通量。

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