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1. 发明授权

US08149652B2 Compensating the effects of static head-media spacing variations and nonlinear transition shift in heat assisted magnetic recording 有权
标题翻译：补偿热辅助磁记录中静态磁头 - 介质间距变化和非线性过渡位移的影响
公开(公告)号：US08149652B2
公开(公告)日：2012-04-03
申请号：US12400865
申请日：2009-03-10
申请人： Mehmet Fatih Erden , Priyadarshee Deeptarag Mathur , William Albert Challener , Edward Charles Gage , Wei Peng , Terry Wayne McDaniel , Tim Rausch
发明人： Mehmet Fatih Erden , Priyadarshee Deeptarag Mathur , William Albert Challener , Edward Charles Gage , Wei Peng , Terry Wayne McDaniel , Tim Rausch
IPC分类号： G11B11/00 , G11B5/02
CPC分类号： G11B5/012 , G11B5/02 , G11B5/1278 , G11B20/10009 , G11B20/10027 , G11B20/10194 , G11B2005/0002 , G11B2005/0021 , G11B2220/2516
摘要： An apparatus comprises a storage medium, a recording head, a source of electromagnetic radiation, and a control circuit for modulating the source of electromagnetic radiation in response to a static deviation of a spacing between the recording head and the storage medium. A method of compensating a static deviation of a spacing between a recording head and a storage medium performed by the apparatus, and a method of precompensating for nonlinear transition shifts in a heat assisted magnetic recording system, are also provided.
摘要翻译：一种装置包括存储介质，记录头，电磁辐射源，以及用于响应于记录头和存储介质之间的间隔的静态偏差来调制电磁辐射源的控制电路。还提供了一种补偿由该装置执行的记录头和存储介质之间的间隔的静态偏差的方法，以及在热辅助磁记录系统中预补偿非线性过渡位移的方法。

2. 发明申请

US20090207519A1 Compensating the Effects of Static Head-Media Spacing Variations and Nonlinear Transition Shift in Heat Assisted Magnetic Recording 有权
标题翻译：补偿静态头媒体间距变化和热辅助磁记录中非线性转换的影响
公开(公告)号：US20090207519A1
公开(公告)日：2009-08-20
申请号：US12400865
申请日：2009-03-10
申请人： Mehmet Fatih Erden , Priyadarshee Deeptarag Mathur , William Albert Challener , Edward Charles Gage , Wei Peng , Terry Wayne McDaniel , Tim Rausch
发明人： Mehmet Fatih Erden , Priyadarshee Deeptarag Mathur , William Albert Challener , Edward Charles Gage , Wei Peng , Terry Wayne McDaniel , Tim Rausch
IPC分类号： G11B5/02
CPC分类号： G11B5/012 , G11B5/02 , G11B5/1278 , G11B20/10009 , G11B20/10027 , G11B20/10194 , G11B2005/0002 , G11B2005/0021 , G11B2220/2516
摘要： An apparatus comprises a storage medium, a recording head, a source of electromagnetic radiation, and a control circuit for modulating the source of electromagnetic radiation in response to a static deviation of a spacing between the recording head and the storage medium. A method of compensating a static deviation of a spacing between a recording head and a storage medium performed by the apparatus, and a method of precompensating for nonlinear transition shifts in a heat assisted magnetic recording system, are also provided.
摘要翻译：一种装置包括存储介质，记录头，电磁辐射源，以及用于响应于记录头和存储介质之间的间隔的静态偏差来调制电磁辐射源的控制电路。还提供了一种补偿由该装置执行的记录头和存储介质之间的间隔的静态偏差的方法，以及在热辅助磁记录系统中预补偿非线性过渡位移的方法。

3. 发明授权

US08339905B2 Alignment features for heat assisted magnetic recording transducers 有权
标题翻译：热辅助磁记录传感器的对准特征
公开(公告)号：US08339905B2
公开(公告)日：2012-12-25
申请号：US11105139
申请日：2005-04-13
申请人： Tim Rausch , William Albert Challener , Edward Charles Gage , Christophe Daniel Mihalcea , Chubing Peng , Patrick Breckow Chu , Kevin Arthur Gomez
发明人： Tim Rausch , William Albert Challener , Edward Charles Gage , Christophe Daniel Mihalcea , Chubing Peng , Patrick Breckow Chu , Kevin Arthur Gomez
IPC分类号： G11B11/00
CPC分类号： G11B5/02 , G11B2005/0002 , G11B2005/0021
摘要： An apparatus comprises an optical transducer positioned adjacent to a storage medium and including a waveguide and a grating for coupling light into the waveguide, a light source transmitting light to the grating, and a detector for detecting a portion of the light, wherein the detected portion of the light has a magnitude that varies in response to the amount of light coupled into the waveguide.
摘要翻译：一种装置包括一个邻近存储介质定位的光学传感器，它包括波导和用于将光耦合到波导中的光栅，将光传送到光栅的光源和用于检测光的一部分的检测器，其中检测部分的光具有响应于耦合到波导中的光量而变化的大小。

4. 发明授权

US07155732B2 Heat assisted magnetic recording head and method 有权
标题翻译：热辅助磁记录头及方法
公开(公告)号：US07155732B2
公开(公告)日：2006-12-26
申请号：US10655994
申请日：2003-09-05
申请人： Tim Rausch , Ibrahim Kursat Sendur , William Albert Challener , Christophe Daniel Mihalcea , Keith Mountfield
发明人： Tim Rausch , Ibrahim Kursat Sendur , William Albert Challener , Christophe Daniel Mihalcea , Keith Mountfield
IPC分类号： G11B11/14
CPC分类号： G11B5/012 , G11B5/00 , G11B5/02 , G11B5/127 , G11B5/1278 , G11B2005/0002 , G11B2005/0005 , G11B2005/0013 , G11B2005/0021
摘要： A magnetic recording head comprises a write pole having a pole tip adjacent to an air bearing surface, a return pole, a near field transducer positioned adjacent to the air bearing surface for producing near field radiation for heating a portion of a magnetic storage medium, wherein a thermal profile of the portion of the magnetic storage medium has a maximum gradient at a location subject to a magnetic write field produced by the write pole. A disc drive that includes the magnetic recording head and a method of recording using the magnetic recording head are also provided.
摘要翻译：磁记录头包括具有与空气轴承表面相邻的极端部的写极，返回极，邻近空气轴承表面定位的近场换能器，用于产生用于加热磁存储介质的一部分的近场辐射，其中该磁存储介质的一部分的热分布在经受由写极产生的磁写入场的位置处具有最大梯度。还提供了包括磁记录头的磁盘驱动器和使用磁记录头的记录方法。

5. 发明授权

US06795630B2 Apparatus and method for producing a small spot of optical energy 有权
标题翻译：用于产生光能的小光点的装置和方法
公开(公告)号：US06795630B2
公开(公告)日：2004-09-21
申请号：US10391729
申请日：2003-03-19
申请人： William Albert Challener , Christophe Daniel Mihalcea , Tim Rausch
发明人： William Albert Challener , Christophe Daniel Mihalcea , Tim Rausch
IPC分类号： G02B610
CPC分类号： G11B5/127 , G11B5/012 , G11B2005/0005 , G11B2005/0021
摘要： An apparatus for producing a small spot of optical energy comprises a planar waveguide shaped to direct a linearly polarized electromagnetic wave to a focal point within the waveguide, and a metallic pin positioned at the focal point whereby the linearly polarized electromagnetic wave creates surface plasmons on a surface of the pin. The apparatus can further comprise means for phase shifting a portion of the linearly polarized electromagnetic wave. Recording heads comprising a magnetic write pole, a planar waveguide positioned adjacent to the magnetic write pole, the planar waveguide being shaped to direct a linearly polarized electromagnetic wave to a focal point within the waveguide, and a metallic pin positioned at the focal point whereby the linearly polarized electromagnetic wave creates surface plasmons on a surface of the pin, and disc drives that use such recording heads are also disclosed.
摘要翻译：一种用于产生光能的小光斑的装置包括一个平面波导，其形状为将线性偏振电磁波引导到波导内的焦点，以及一个位于焦点处的金属针，由此线偏振电磁波在针的表面。该装置还可以包括用于相移一部分线性极化电磁波的装置。记录头包括磁性写入磁极，与磁性写入磁极相邻的平面波导，平面波导被成形为将线性偏振的电磁波引导到波导内的焦点，以及位于焦点处的金属引脚，线偏振电磁波在销的表面上产生表面等离子体激元，并且还公开了使用这种记录头的盘驱动器。

6. 发明授权

US07480214B2 Efficient waveguide coupler for data recording transducer 有权
标题翻译：用于数据记录传感器的高效波导耦合器
公开(公告)号：US07480214B2
公开(公告)日：2009-01-20
申请号：US10730557
申请日：2003-12-08
申请人： William Albert Challener , Tim Rausch
发明人： William Albert Challener , Tim Rausch
IPC分类号： G11B11/00
CPC分类号： G11B5/314 , G11B5/012 , G11B5/1278 , G11B5/6088 , G11B2005/0021
摘要： A data recording head having at least two waveguides that are energy-coupled. The first waveguide is end fire coupled to a radiant energy source of a first spot size, and the second waveguide outputs radiant energy of a second spot size onto a recording medium. The width of the first waveguide is larger than the width of the second waveguide, or the first spot size is larger than the second spot size. The recording also includes a cladding layer and/or a diffraction grating for mode index matching between the first and second waveguides. The second waveguide includes a solid immersion optical element to focus the output radiant energy. In one embodiment, the data recording head includes a write element to effect magnetic data recording, and the first and second waveguides are configured relative to the write element and supported relative to the recording medium to effect heat assisted magnetic recording.
摘要翻译：具有至少两个能量耦合的波导的数据记录头。第一波导是与第一光斑尺寸的辐射能源耦合的端部火焰，并且第二波导将第二光斑尺寸的辐射能输出到记录介质上。第一波导的宽度大于第二波导的宽度，或者第一光斑尺寸大于第二光斑尺寸。记录还包括用于第一和第二波导之间的模式折射率匹配的包层和/或衍射光栅。第二波导包括用于聚焦输出辐射能的固体浸没光学元件。在一个实施例中，数据记录头包括用于实现磁数据记录的写元件，并且第一和第二波导相对于写入元件配置并相对于记录介质被支持以实现热辅助磁记录。

7. 发明授权

US07796487B2 Optical system for data storage devices 有权
标题翻译：光学系统用于数据存储设备
公开(公告)号：US07796487B2
公开(公告)日：2010-09-14
申请号：US11125556
申请日：2005-05-10
申请人： Patrick Breckow Chu , Mark Ian Lutwyche , Tim Rausch , William Albert Challener , Thomas Dean Milster
发明人： Patrick Breckow Chu , Mark Ian Lutwyche , Tim Rausch , William Albert Challener , Thomas Dean Milster
IPC分类号： G11B7/00
CPC分类号： G11B7/1362 , G11B5/4886 , G11B7/122 , G11B7/124 , G11B2005/0021
摘要： An apparatus includes a moveable arm for positioning an optical transducer adjacent to a storage medium, a light source, and an elliptical or ellipsoid shaped mirror mounted for reflecting light from the light source to the optical transducer. The elliptical mirror can be positioned on an ellipse, the moveable arm can pivot about an axis passing through a first focus of the ellipse, and the light source can direct light from a point on a second axis passing through a second focus of the ellipse to the elliptical minor. The light source can include a fixed laser and a moveable mirror mounted to pivot about the second axis or a moveable laser mounted to pivot about the second axis. A method performed by the apparatus is also provided.
摘要翻译：一种装置包括用于定位邻近存储介质的光学传感器的可移动臂，光源以及安装成将来自光源的光反射到光学换能器的椭圆形或椭圆形形状的镜。椭圆镜可以定位在椭圆上，可移动臂可以围绕穿过椭圆的第一焦点的轴线枢转，并且光源可以将来自穿过椭圆的第二焦点的第二轴上的点的光引导到椭圆镜。光源可以包括固定的激光器和安装成围绕第二轴线枢转的可移动的反射镜或安装成围绕第二轴线枢转的可移动的激光器。还提供了由该装置执行的方法。

8. 发明授权

US07626894B2 Heat assisted magnetic recording light delivery with fixed laser and rotating mirror 有权
标题翻译：热辅助磁记录光传输与固定激光和旋转镜
公开(公告)号：US07626894B2
公开(公告)日：2009-12-01
申请号：US11105248
申请日：2005-04-13
申请人： Mark David Bedillion , Patrick Breckow Chu , Kevin Arthur Gomez , Tim Rausch , Edward Charles Gage
发明人： Mark David Bedillion , Patrick Breckow Chu , Kevin Arthur Gomez , Tim Rausch , Edward Charles Gage
IPC分类号： G11B11/00
CPC分类号： G11B5/02 , G11B2005/0002 , G11B2005/0021
摘要： An apparatus comprises a moveable arm for positioning an optical transducer adjacent to a storage medium, a stationary light source, and a moveable mirror mounted at a pivot axis of the arm for reflecting light from the light source to the optical transducer. An actuator can be provided for rotating the moveable mirror through an angle of about one half of an angle of rotation of the moveable arm.
摘要翻译：一种装置包括可移动臂，用于定位邻近存储介质的光学传感器，固定光源和安装在臂的枢转轴线处的可移动反射镜，用于将来自光源的光反射到光学换能器。可以提供致动器，用于使可动反射镜旋转大约可动臂旋转角度的一半的角度。

9. 发明授权

US07839497B1 Phase compensator for coupling an electromagnetic wave into an optical condenser 有权
标题翻译：用于将电磁波耦合到光学冷凝器的相位补偿器
公开(公告)号：US07839497B1
公开(公告)日：2010-11-23
申请号：US11485737
申请日：2006-07-13
申请人： Tim Rausch , Michael A. Seigler , Edward C. Gage , William A. Challener , Robert E. Rottmayer , Chubing Peng
发明人： Tim Rausch , Michael A. Seigler , Edward C. Gage , William A. Challener , Robert E. Rottmayer , Chubing Peng
IPC分类号： G02B27/32
CPC分类号： G11B11/10541 , G02B19/0028 , G02B19/0033 , G02B27/286 , G11B5/314 , G11B7/1367 , G11B7/1398 , G11B2005/0005 , G11B2005/0021
摘要： An apparatus comprising a phase compensator and an optical condenser in communication with the phase compensator. The phase compensator provides for phase shifting a portion of an electromagnetic wave. The optical condenser is shaped to direct the electromagnetic wave to a focal region of the optical condenser.
摘要翻译：一种包括相位补偿器和与相位补偿器通信的光电容器的装置。相位补偿器用于相移一部分电磁波。光学冷凝器成形为将电磁波引导到光学冷凝器的焦点区域。

10. 发明授权

US07171080B2 Coupling grating for focusing light within a waveguide for heat assisted magnetic recording 有权
标题翻译：耦合光栅用于将光聚焦在波导内用于热辅助磁记录
公开(公告)号：US07171080B2
公开(公告)日：2007-01-30
申请号：US10988970
申请日：2004-11-15
申请人： Tim Rausch
发明人： Tim Rausch
IPC分类号： G02B6/34 , G02B6/10
CPC分类号： G02B6/124
摘要： A method and apparatus for focusing light within a waveguide is provided. The waveguide includes a curved grating adapted to focus light incident thereon to a focused spot proximate a first end of the waveguide. In another embodiment, the first end of the waveguide has a thickness greater than a portion of the waveguide containing the grating. The waveguide is suitable for focusing light onto a magnetic storage medium and the like, making the waveguide suitable for heat-assisted magnetic recording (HAMR) applications.
摘要翻译：提供了一种用于将光聚焦在波导内的方法和装置。波导包括弯曲光栅，其适于将入射到其上的光聚焦到靠近波导的第一端的聚焦点。在另一实施例中，波导的第一端的厚度大于包含光栅的波导的一部分。波导适用于将光聚焦到磁存储介质等上，使得波导适合于热辅助磁记录（HAMR）应用。

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