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公开(公告)号：US20120314549A1
公开(公告)日：2012-12-13
申请号：US13590214
申请日：2012-08-21
Applicant: Lien Lee , Xuhui Jin , Kaizhong Gao , Amit Vasant Itagi , William Albert Challener
Inventor： Lien Lee , Xuhui Jin , Kaizhong Gao , Amit Vasant Itagi , William Albert Challener
IPC: G11B11/00
CPC classification number: G11B5/314 , G11B5/4866 , G11B5/6088 , G11B7/122 , G11B7/1384 , G11B7/1387 , G11B11/10536 , G11B2005/0005 , G11B2005/0021 , Y10T428/11 , Y10T428/1171 , Y10T428/1193
Abstract: An apparatus includes a waveguide shaped to direct light to a focal point, and a near-field transducer positioned adjacent to the focal point, wherein the near-field transducer includes a dielectric component and a metallic component positioned adjacent to at least a portion of the dielectric component. An apparatus includes a waveguide shaped to direct light to a focal point, and a near-field transducer positioned adjacent to the focal point, wherein the near-field transducer includes a first metallic component, a first dielectric layer positioned adjacent to at least a portion of the first metallic component, and a second metallic component positioned adjacent to at least a portion of the first dielectric component.
Abstract translation: 一种装置包括成形为将光引导到焦点的波导和邻近焦点定位的近场换能器，其中近场换能器包括介电部件和金属部件，该金属部件邻近至少一部分 介电元件。 一种装置包括成形为将光引导到焦点的波导和邻近焦点定位的近场换能器，其中近场换能器包括第一金属部件，第一介电层位于与至少一部分 的第一金属部件和与第一介电部件的至少一部分相邻定位的第二金属部件。
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公开(公告)号：US08248891B2
公开(公告)日：2012-08-21
申请号：US12272984
申请日：2008-11-18
Applicant: Lien Lee , Xuhui Jin , Kaizhong Gao , Amit Vasant Itagi , William Albert Challener
Inventor： Lien Lee , Xuhui Jin , Kaizhong Gao , Amit Vasant Itagi , William Albert Challener
IPC: G11B11/00
CPC classification number: G11B5/314 , G11B5/4866 , G11B5/6088 , G11B7/122 , G11B7/1384 , G11B7/1387 , G11B11/10536 , G11B2005/0005 , G11B2005/0021 , Y10T428/11 , Y10T428/1171 , Y10T428/1193
Abstract: An apparatus includes a waveguide shaped to direct light to a focal point, and a near-field transducer positioned adjacent to the focal point, wherein the near-field transducer includes a dielectric component and a metallic component positioned adjacent to at least a portion of the dielectric component. An apparatus includes a waveguide shaped to direct light to a focal point, and a near-field transducer positioned adjacent to the focal point, wherein the near-field transducer includes a first metallic component, a first dielectric layer positioned adjacent to at least a portion of the first metallic component, and a second metallic component positioned adjacent to at least a portion of the first dielectric component.
Abstract translation: 一种装置包括成形为将光引导到焦点的波导和邻近焦点定位的近场换能器，其中近场换能器包括介电部件和金属部件，该金属部件邻近至少一部分 介电元件。 一种装置包括成形为将光引导到焦点的波导和邻近焦点定位的近场换能器，其中近场换能器包括第一金属部件，第一介电层位于与至少一部分 的第一金属部件和与第一介电部件的至少一部分相邻定位的第二金属部件。
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13.发明授权公开(公告)号：US07965464B2
公开(公告)日：2011-06-21
申请号：US12274992
申请日：2008-11-20
Applicant: Sharat Batra , Amit Vasant Itagi , Ganping Ju , Xuhui Jin
Inventor： Sharat Batra , Amit Vasant Itagi , Ganping Ju , Xuhui Jin
IPC: G11B5/02
CPC classification number: G11B5/3116 , G11B5/1278 , G11B5/314 , G11B5/6088 , G11B2005/0005 , G11B2005/0021
Abstract: Devices and methods are provided for heat-assisted magnetic recording (HAMR). In an illustrative example, a device includes a magnetic write pole having a convex pole tip; a magnetic opposing pole longitudinally displaced from the magnetic write pole; and a thermal-source component disposed proximate to the magnetic write pole and comprising a laterally elongated thermal-source peg disposed proximate to the convex pole tip.
Abstract translation: 提供了用于热辅助磁记录（HAMR）的设备和方法。 在说明性示例中，装置包括具有凸极尖端的磁写极; 从磁性写入极纵向移位的磁性相对极; 以及靠近磁性写入极设置的热源组件，并且包括靠近凸极尖端设置的横向细长的热源钉。
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公开(公告)号：US20100214685A1
公开(公告)日：2010-08-26
申请号：US12391326
申请日：2009-02-24
Applicant: Michael Allen Seigler , Mark William Covington , Michael Leigh Mallary , Hua Zhou , Amit Vasant Itagi
Inventor： Michael Allen Seigler , Mark William Covington , Michael Leigh Mallary , Hua Zhou , Amit Vasant Itagi
CPC classification number: G11B5/4866 , G11B5/02 , G11B5/1278 , G11B5/314 , G11B2005/0021
Abstract: An apparatus includes a waveguide having a core layer and an end adjacent to an air bearing surface, first and second poles magnetically coupled to each other and positioned on opposite sides of the waveguide, wherein the first pole includes a first portion spaced from the waveguide and a second portion extending from the first portion toward the air bearing surface, with the second portion being structured such that an end of the second portion is closer to the core layer of the waveguide than the first portion, and a heat sink positioned adjacent to the second portion of the first pole.
Abstract translation: 一种装置包括具有芯层和邻近空气轴承表面的端部的波导，第一和第二极彼此磁耦合并且位于波导的相对侧上，其中第一极包括与波导间隔开的第一部分， 第二部分从第一部分延伸到空气支承表面，第二部分被构造成使得第二部分的端部比第一部分更靠近波导的芯层，并且与第二部分相邻的散热器 第一极的第二部分。
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公开(公告)号：US20100188768A1
公开(公告)日：2010-07-29
申请号：US12361777
申请日：2009-01-29
Applicant: Amit Vasant Itagi
Inventor： Amit Vasant Itagi
IPC: G11B5/02
CPC classification number: G11B5/314 , G11B5/6088 , G11B2005/0005 , G11B2005/0021
Abstract: An apparatus includes a metallic transducer and a condenser for directing electromagnetic radiation onto the transducer. The transducer includes a first section and a second section, wherein the first section is wider than the second section and has a width to length aspect ratio greater than or equal to a width to length aspect ratio of the second section, the first section having a dimple formed on a surface thereof.
Abstract translation: 一种装置包括金属换能器和用于将电磁辐射引导到换能器上的冷凝器。 所述换能器包括第一部分和第二部分，其中所述第一部分比所述第二部分宽，并且具有大于或等于所述第二部分的宽度与长宽比的宽度与长宽比之比，所述第一部分具有 在其表面上形成凹坑。
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Patent Agency Ranking
16.发明申请HEAT-ASSISTED MAGNETIC RECORDING WITH SHAPED MAGNETIC AND THERMAL FIELDS TO MINIMIZE TRANSITION CURVATURE 有权具有形状磁性和热场的热辅助磁记录以最小化过渡曲线公开(公告)号：US20100123967A1
公开(公告)日：2010-05-20
申请号：US12274992
申请日：2008-11-20
Applicant: Sharat Batra , Amit Vasant Itagi , Ganping Ju , Xuhui Jin
Inventor： Sharat Batra , Amit Vasant Itagi , Ganping Ju , Xuhui Jin
IPC: G11B5/02
CPC classification number: G11B5/3116 , G11B5/1278 , G11B5/314 , G11B5/6088 , G11B2005/0005 , G11B2005/0021
Abstract: Devices and methods are provided for heat-assisted magnetic recording (HAMR). In an illustrative example, a device includes a magnetic write pole having a convex pole tip; a magnetic opposing pole longitudinally displaced from the magnetic write pole; and a thermal-source component disposed proximate to the magnetic write pole and comprising a laterally elongated thermal-source peg disposed proximate to the convex pole tip.
Abstract translation: 提供了用于热辅助磁记录（HAMR）的设备和方法。 在说明性示例中，装置包括具有凸极尖端的磁写极; 从磁性写入极纵向移位的磁性相对极; 以及靠近磁性写入极设置的热源组件，并且包括靠近凸极尖端设置的横向细长的热源钉。
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公开(公告)号：US07580602B2
公开(公告)日：2009-08-25
申请号：US11856151
申请日：2007-09-17
Applicant: Amit Vasant Itagi , William Albert Challener
Inventor： Amit Vasant Itagi , William Albert Challener
CPC classification number: G11B5/314 , G02B6/34 , G11B5/1278 , G11B5/4866 , G11B2005/0005 , G11B2005/0021
Abstract: An apparatus includes a planar waveguide, first and second gratings for coupling electromagnetic radiation into the planar waveguide, and a beam shaper for controlling the amplitude distribution of the electromagnetic radiation that impinges on the first and second gratings. A method of coupling electromagnetic radiation into a planar waveguide is also provided.
Abstract translation: 一种装置包括平面波导，用于将电磁辐射耦合到平面波导中的第一和第二光栅以及用于控制照射在第一和第二光栅上的电磁辐射的振幅分布的光束整形器。 还提供了将电磁辐射耦合到平面波导中的方法。
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公开(公告)号：US08681590B2
公开(公告)日：2014-03-25
申请号：US13173811
申请日：2011-06-30
Applicant: Hua Zhou , Jie Zou , Kaizhong Gao , Amit Vasant Itagi
Inventor： Hua Zhou , Jie Zou , Kaizhong Gao , Amit Vasant Itagi
IPC: G11B11/00
CPC classification number: G11B7/1387 , G11B5/1278 , G11B5/17 , G11B5/3116 , G11B5/3123 , G11B5/314 , G11B7/1384 , G11B2005/0021
Abstract: In accordance with certain embodiments, a magnetic head has a coil, which has a lead coil turn positioned between a yoke and an air-bearing surface. In certain embodiments, a magnetic head has a coil, which has a lead coil turn minimally spaced from a main write pole.
Abstract translation: 根据某些实施例，磁头具有线圈，该线圈具有位于轭和空气轴承表面之间的引线盘绕圈。 在某些实施例中，磁头具有线圈，该线圈具有与主写柱最小间隔的引线盘绕。
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公开(公告)号：US08451555B2
公开(公告)日：2013-05-28
申请号：US12391326
申请日：2009-02-24
Applicant: Michael Allen Seigler , Mark William Covington , Michael Leigh Mallary , Hua Zhou , Amit Vasant Itagi
Inventor： Michael Allen Seigler , Mark William Covington , Michael Leigh Mallary , Hua Zhou , Amit Vasant Itagi
CPC classification number: G11B5/4866 , G11B5/02 , G11B5/1278 , G11B5/314 , G11B2005/0021
Abstract: An apparatus includes a waveguide having a core layer and an end adjacent to an air bearing surface, first and second poles magnetically coupled to each other and positioned on opposite sides of the waveguide, wherein the first pole includes a first portion spaced from the waveguide and a second portion extending from the first portion toward the air bearing surface, with the second portion being structured such that an end of the second portion is closer to the core layer of the waveguide than the first portion, and a heat sink positioned adjacent to the second portion of the first pole.
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20.发明授权Heat-assisted magnetic recording with shaped magnetic and thermal fields to minimize transition curvature 有权具有形状磁场和热场的热辅助磁记录，以最小化过渡曲率公开(公告)号：US08159769B2
公开(公告)日：2012-04-17
申请号：US13107722
申请日：2011-05-13
Applicant: Sharat Batra , Amit Vasant Itagi , Ganping Ju , Xuhui Jin
Inventor： Sharat Batra , Amit Vasant Itagi , Ganping Ju , Xuhui Jin
IPC: G11B5/02
CPC classification number: G11B5/3116 , G11B5/1278 , G11B5/314 , G11B5/6088 , G11B2005/0005 , G11B2005/0021
Abstract: Devices and methods are provided for heat-assisted magnetic recording (HAMR). In an illustrative example, a device includes a magnetic write pole having a convex pole tip; a magnetic opposing pole longitudinally displaced from the magnetic write pole; and a thermal-source component disposed proximate to the magnetic write pole and comprising a laterally elongated thermal-source peg disposed proximate to the convex pole tip.
Abstract translation: 提供了用于热辅助磁记录（HAMR）的设备和方法。 在说明性示例中，装置包括具有凸极尖端的磁写极; 从磁性写入极纵向移位的磁性相对极; 以及靠近磁性写入极设置的热源组件，并且包括靠近凸极尖端设置的横向细长的热源钉。
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