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公开(公告)号：US20180120387A1
公开(公告)日：2018-05-03
申请号：US15858401
申请日：2017-12-29
Applicant: Seagate Technology LLC
Inventor： Qing He , Wonjoon Jung , Mark William Covington , Mark Thomas Kief , Yonghua Chen
CPC classification number: G01R33/0052 , G01R33/093 , G01R33/098 , G11B5/23 , G11B5/232 , G11B5/3133 , G11B5/3143 , G11B5/3163 , Y10T29/49043 , Y10T29/49044
Abstract: A magnetic sensor comprising a first shield and a second shield and a sensor stack between the first and the second shield, the sensor stack having a plurality of layers wherein at least one layer is annealed using in-situ rapid thermal annealing. In one implementation of the magnetic sensor a seed layer is annealed using in-situ rapid thermal annealing. Alternatively, one of a barrier layer, an antiferromagnetic (AFM) layer, and a cap layer is annealed using in-situ rapid thermal annealing.
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公开(公告)号：US09147414B2
公开(公告)日：2015-09-29
申请号：US13903235
申请日：2013-05-28
Applicant: Seagate Technology LLC
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：US20140118862A1
公开(公告)日：2014-05-01
申请号：US13665505
申请日：2012-10-31
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Mark William Covington
IPC: G11B5/11
CPC classification number: G11B5/11 , G11B5/3929 , G11B5/398
Abstract: A magnetic element may generally be directed to data bit sensing in various data storage environments. An example magnetic element may be configured with at least a magnetic stack contacting a magnetic shield having a current constriction feature configured to transition current from a horizontal orientation to a vertical orientation proximal an air bearing surface (ABS).
Abstract translation: 磁性元件通常可以针对各种数据存储环境中的数据位感测。 示例性磁性元件可以被构造成具有至少一个磁性堆叠，该磁性层与具有电流收缩特征的磁屏蔽相接触，该电屏蔽构造成将电流从水平取向转移到靠近空气支承表面（ABS）的垂直定向。
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公开(公告)号：US09378760B2
公开(公告)日：2016-06-28
申请号：US14447910
申请日：2014-07-31
Applicant: Seagate Technology LLC
Inventor： Qing He , Mark William Covington , Mark Thomas Kief
CPC classification number: G11B5/3906 , G11B5/3163 , G11B5/332
Abstract: A data reader may be configured with a tuned microstructure by initially cooling a substrate to a temperature of 100K or lower and subsequently depositing at least one layer of a data reader on the substrate while the substrate is maintained at the temperature. The tuned microstructure may consist of at least a grain size, grain size distribution, interface quality between multiple layers of the data reader, resistance-area product, and magnetoresistance.
Abstract translation: 数据读取器可以通过首先将衬底冷却到100K或更低的温度并随后在衬底保持在该温度下的同时在衬底上沉积至少一层数据读取器而配置有调谐微结构。 调谐的微结构可以由至少晶粒尺寸，晶粒尺寸分布，数据读取器的多个层之间的界面质量，电阻面积积和磁电阻组成。
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公开(公告)号：US08824107B2
公开(公告)日：2014-09-02
申请号：US13665505
申请日：2012-10-31
Applicant: Seagate Technology LLC
Inventor： Mark William Covington
CPC classification number: G11B5/11 , G11B5/3929 , G11B5/398
Abstract: A magnetic element may generally be directed to data bit sensing in various data storage environments. An example magnetic element may be configured with at least a magnetic stack contacting a magnetic shield having a current constriction feature configured to transition current from a horizontal orientation to a vertical orientation proximal an air bearing surface (ABS).
Abstract translation: 磁性元件通常可以针对各种数据存储环境中的数据位感测。 示例性磁性元件可以被构造成具有至少一个磁性堆叠，该磁性层与具有电流收缩特征的磁屏蔽相接触，该电屏蔽构造成将电流从水平取向转移到靠近空气支承表面（ABS）的垂直定向。
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Patent Agency Ranking
公开(公告)号：US20140154528A1
公开(公告)日：2014-06-05
申请号：US13690532
申请日：2012-11-30
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Vijay Karthik Sankar , Mark William Covington
IPC: G11B5/31
CPC classification number: G11B5/313 , G01R33/00 , G01R33/093 , G11B5/3909 , G11C11/16 , G11C11/161 , H01F10/32 , H01F10/3254 , H01F41/307 , H01L43/08 , H01L43/12 , Y10T428/1114 , Y10T428/1143
Abstract: A magnetic element may generally be configured at least with a magnetic stack having a multilayer barrier structure disposed between first and second ferromagnetic layers. The multilayer barrier structure can have a binary compound layer disposed between first and second alloy layers with the binary compound having a metal element and a second element where at least one alloy layer has the metal element and a third element dissimilar from the second element.
Abstract translation: 磁性元件通常可以至少配置有具有设置在第一和第二铁磁层之间的多层阻挡结构的磁性堆叠。 多层阻挡结构可以具有设置在第一和第二合金层之间的二元化合物层，二元化合物具有金属元素和第二元素，其中至少一个合金层具有金属元素和与第二元素不同的第三元素。
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公开(公告)号：US11125836B2
公开(公告)日：2021-09-21
申请号：US15858401
申请日：2017-12-29
Applicant: Seagate Technology LLC
Inventor： Qing He , Wonjoon Jung , Mark William Covington , Mark Thomas Kief , Yonghua Chen
Abstract: A magnetic sensor comprising a first shield and a second shield and a sensor stack between the first and the second shield, the sensor stack having a plurality of layers wherein at least one layer is annealed using in-situ rapid thermal annealing. In one implementation of the magnetic sensor a seed layer is annealed using in-situ rapid thermal annealing. Alternatively, one of a barrier layer, an antiferromagnetic (AFM) layer, and a cap layer is annealed using in-situ rapid thermal annealing.
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公开(公告)号：US09165574B2
公开(公告)日：2015-10-20
申请号：US13760286
申请日：2013-02-06
Applicant: Seagate Technology LLC
Inventor： Mark William Covington , Qing He , Thomas Roy Boonstra
CPC classification number: G11B5/33 , B82Y10/00 , B82Y25/00 , G11B5/3909 , G11B5/3912 , G11B2005/3996 , Y10T428/11 , Y10T428/1121 , Y10T428/1143 , Y10T428/115 , Y10T428/1193
Abstract: An apparatus and associated method may be used to provide a data sensing element capable of detecting changes in magnetic states. Various embodiments of the present invention are generally directed to a magnetically responsive lamination of layers and means for generating a high magnetic moment region proximal to an air bearing surface (ABS) and a low magnetic moment region proximal to a hard magnet.
Abstract translation: 可以使用装置和相关联的方法来提供能够检测磁状态的变化的数据感测元件。 本发明的各种实施例通常涉及用于产生靠近空气轴承表面（ABS）的高磁矩区域和靠近硬磁体的低磁矩区域的层的磁响应层压和装置。
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公开(公告)号：US20140254337A1
公开(公告)日：2014-09-11
申请号：US13789397
申请日：2013-03-07
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Michael Allen Seigler , Mark William Covington
IPC: G11B13/04
CPC classification number: G11B5/314 , G11B2005/0021
Abstract: A device comprises a near field transducer (NFT) and electrodes configured to at least one of generate or enhance surface plasmons in the NFT by passing electrical current through a portion of the NFT.
Abstract translation: 一种装置包括近场换能器（NFT）和被配置为通过使电流通过NFT的一部分来产生或增强NFT中的表面等离子体激元中的至少一种的电极。
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公开(公告)号：US20130258825A1
公开(公告)日：2013-10-03
申请号：US13903235
申请日：2013-05-28
Applicant: Seagate Technology LLC
Inventor： Michael Allen Seigler , Mark William Covington , Michael Leigh Mallary , Hua Zhou , Amit Vasant Itagi
IPC: G11B5/48
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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