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公开(公告)号：US08922951B2
公开(公告)日：2014-12-30
申请号：US13710945
申请日：2012-12-11
Applicant: Seagate Technology LLC
Inventor： Victor Boris Sapozhnikov , Mohammed Shariat Ullah Patwari , Shaun Eric McKinlay , Konstantin Rudolfovich Nikolaev , Eric Walter Singleton , Jae-Young Yi
CPC classification number: G11B5/11 , G11B5/3912 , G11B5/3932 , G11C11/161
Abstract: Various embodiments may be generally directed to a data storage device with at least a magnetic element having a magnetic stack positioned adjacent to and separated from at least one side shield on an air bearing surface (ABS). The side shield can be configured with a predetermined anisotropy variation along a down-track direction.
Abstract translation: 各种实施例可以通常涉及具有至少一个磁性元件的磁性元件的数据存储装置，所述磁性元件具有与空气轴承表面（ABS）上的至少一个侧屏蔽相邻并且与其隔开的磁性堆叠。 侧屏蔽可沿着下轨方向配置为具有预定的各向异性变化。
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公开(公告)号：US20140268417A1
公开(公告)日：2014-09-18
申请号：US13844813
申请日：2013-03-16
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Eric Walter Singleton , Liwen Tan , Jae-Young Yi
IPC: G11B5/115
CPC classification number: G11B5/3116 , G11B5/115 , G11B5/3163 , G11B5/3912 , G11B5/398 , G11B2005/3996 , Y10T156/10
Abstract: A data reader generally capable of sensing data bits may be configured at least with a magnetic stack that has free and fixed magnetization structures atop a magnetic seed layer. A bottom shield may be positioned contactingly adjacent the magnetic stack opposite a top shield with the bottom shield having a fixed pinning magnetization set to a predetermined magnetic orientation.
Abstract translation: 通常能够感测数据位的数据读取器可以至少配置在磁性种子层顶部具有自由和固定的磁化结构的磁性堆栈。 底部屏蔽件可以与顶部屏蔽件相对的磁性堆叠接触地定位，底部屏蔽件具有固定的钉扎磁化强度，设定为预定的磁性取向。
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公开(公告)号：US20140160596A1
公开(公告)日：2014-06-12
申请号：US13710945
申请日：2012-12-11
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Victor Boris Sapozhnikov , Mohammed Shariat Ullah Patwari , Shaun Eric McKinlay , Konstantin Rudolfovich Nikolaev , Eric Walter Singleton , Jae-Young Yi
IPC: G11B5/11
CPC classification number: G11B5/11 , G11B5/3912 , G11B5/3932 , G11C11/161
Abstract: Various embodiments may be generally directed to a data storage device with at least a magnetic element having a magnetic stack positioned adjacent to and separated from at least one side shield on an air bearing surface (ABS). The side shield can be configured with a predetermined anisotropy variation along a down-track direction.
Abstract translation: 各种实施例可以通常涉及具有至少一个磁性元件的磁性元件的数据存储装置，所述磁性元件具有与空气轴承表面（ABS）上的至少一个侧屏蔽相邻并且与其隔开的磁性堆叠。 侧屏蔽可沿着下轨方向配置为具有预定的各向异性变化。
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公开(公告)号：US20140104729A1
公开(公告)日：2014-04-17
申请号：US14109184
申请日：2013-12-17
Applicant: Seagate Technology LLC
Inventor： Eric Walter Singleton , Junjie Quan , Jae-Young Yi
IPC: G11B5/11
CPC classification number: G11B5/11 , C22F1/00 , G01R33/093 , G11B5/3912 , G11B5/398 , H01L43/08 , H01L43/12
Abstract: An apparatus includes a sensor stack, first and second shields positioned on opposite sides of the sensor stack, and a first shield stabilization structure adjacent to the first shield and applying a bias magnetic field to the first shield. A second shield stabilization structure can be positioned adjacent to the second shield.
Abstract translation: 一种装置包括传感器堆叠，位于传感器堆叠的相对侧上的第一和第二屏蔽件以及与第一屏蔽件相邻并且向第一屏蔽件施加偏置磁场的第一屏蔽稳定结构。 第二屏蔽稳定结构可以被定位成与第二屏蔽相邻。
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公开(公告)号：US09720053B2
公开(公告)日：2017-08-01
申请号：US14840411
申请日：2015-08-31
Applicant: Seagate Technology LLC
Inventor： Konstantin Nikolaev , Victor Sapozhnikov , Taras Pokhil , Jae-Young Yi , Mohammed Patwari , Eric W. Singleton
CPC classification number: G01R33/0052 , C21D1/04 , C21D1/34 , C21D2201/05 , G01R33/091 , G11B5/3903 , G11B5/3932 , G11B2005/0008 , G11B2005/3996 , H01F7/064 , Y10T29/49034
Abstract: Implementations described and claimed herein provide a system comprising an external magnetic field generator, wherein the external field magnetic field generator is configured to rock an effective annealing magnetic field between a first positive angle and a second negative angle compared to a desired pinning field orientation in an AFM/PL structure.
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Patent Agency Ranking
公开(公告)号：US09633679B2
公开(公告)日：2017-04-25
申请号：US14270593
申请日：2014-05-06
Applicant: Seagate Technology LLC
Inventor： Eric W. Singleton , Liwen Tan , Jae-Young Yi , Konstantin Nikolaev , Zhiguo Ge
CPC classification number: G11B5/3912 , G11B5/3153 , G11B5/3909 , G11B5/3932 , G11B5/3958 , G11B2005/3996
Abstract: A reader stack, such as for a magnetic storage device, the stack having a top synthetic antiferromagnetic (SAF) layer, a magnetic capping layer adjacent to the top SAF layer, an RKKY coupling layer adjacent to the magnetic capping layer opposite the top SAF layer, and a free layer adjacent to the RKKY coupling layer opposite the magnetic capping layer. Also included is a method for biasing a free layer in a reader stack by providing an exchange coupling between the free layer and a top synthetic antiferromagnetic (SAF) layer using a layer having RKKY coupling property positioned between the free layer and the top SAF layer and a magnetic capping layer between the SAF layer and the layer having RKKY coupling property.
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公开(公告)号：US20160356861A1
公开(公告)日：2016-12-08
申请号：US15238354
申请日：2016-08-16
Applicant: Seagate Technology, LLC
Inventor： Eric W. Singleton , Qing He , Jae-Young Yi , Matt Johnson , Zheng Gao , Dimitar V. Dimitrov , Song S. Xue
CPC classification number: G01R33/0052 , B82Y25/00 , G01R33/0076 , G01R33/093 , G01R33/098 , G11B5/3912 , G11B5/398
Abstract: A magnetic sensor assembly includes first and second shields each comprised of a magnetic material. The first and second shields define a physical shield-to-shield spacing. A sensor stack is disposed between the first and second shields and includes a seed layer adjacent the first shield, a cap :layer adjacent the second shield, and a magnetic sensor between the seed layer and the cap layer. At least a portion of the seed layer and/or the cap layer comprises a magnetic material to provide an effective shield-to-shield spacing of the magnetic sensor assembly that is less than the physical shield-to-shield spacing.
Abstract translation: 磁传感器组件包括由磁性材料构成的第一和第二屏蔽件。 第一和第二屏蔽层定义物理屏蔽间隔。 传感器堆叠设置在第一和第二屏蔽之间，并且包括邻近第一屏蔽的种子层，与第二屏蔽相邻的盖：层和种子层与盖层之间的磁传感器。 种子层和/或盖层的至少一部分包括磁性材料，以提供小于物理屏蔽 - 屏蔽间隔的磁性传感器组件的有效的屏蔽到屏蔽间隔。
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公开(公告)号：US20160093319A1
公开(公告)日：2016-03-31
申请号：US14962950
申请日：2015-12-08
Applicant: Seagate Technology LLC
Inventor： Eric W. Singleton , Liwen Tan , Jae-Young Yi
IPC: G11B5/39
CPC classification number: G11B5/3912 , G01R33/007 , G01R33/025 , G01R33/098 , G11B5/3916 , G11B5/398 , G11B2005/3996 , H01F10/3204 , H01F10/3272 , H01L43/08 , H01L43/10 , Y10T428/1121
Abstract: A magnetoresistive (MR) sensor including a synthetic antiferromagnetic (SAF) structure that is magnetically coupled to a side shield element. The SAF structure includes at least one magnetic amorphous layer that is an alloy of a ferromagnetic material and a refractory material. The amorphous magnetic layer may be in contact with a non-magnetic layer and antiferromagnetically coupled to a layer in contact with an opposite surface of the non-magnetic layer.
Abstract translation: 磁阻（MR）传感器包括磁耦合到侧屏蔽元件的合成反铁磁（SAF）结构。 SAF结构包括至少一个磁性非晶层，其是铁磁材料和耐火材料的合金。 非晶磁性层可以与非磁性层接触并且与与非磁性层的相反表面接触的层反铁磁耦合。
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公开(公告)号：US20150369879A1
公开(公告)日：2015-12-24
申请号：US14840411
申请日：2015-08-31
Applicant: Seagate Technology LLC
Inventor： Konstantin Nikolaev , Victor Sapozhnikov , Taras Pokhil , Jae-Young Yi , Mohammed Patwari , Eric W. Singleton
CPC classification number: G01R33/0052 , C21D1/04 , C21D1/34 , C21D2201/05 , G01R33/091 , G11B5/3903 , G11B5/3932 , G11B2005/0008 , G11B2005/3996 , H01F7/064 , Y10T29/49034
Abstract: Implementations described and claimed herein provide a system comprising an external magnetic field generator, wherein the external field magnetic field generator is configured to rock an effective annealing magnetic field between a first positive angle and a second negative angle compared to a desired pinning field orientation in an AFM/PL structure.
Abstract translation: 本文描述和要求保护的实施例提供了一种包括外部磁场发生器的系统，其中外部场磁场发生器被配置为与第一正角度和第二负角度之间的有效退火磁场相比， AFM / PL结构。
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公开(公告)号：US09147409B1
公开(公告)日：2015-09-29
申请号：US14292414
申请日：2014-05-30
Applicant: Seagate Technology LLC
Inventor： Konstantin Nikolaev , Victor Sapozhnikov , Taras Pokhil , Jae-Young Yi , Mohammed Patwari , Eric W. Singleton
CPC classification number: G01R33/0052 , C21D1/04 , C21D1/34 , C21D2201/05 , G01R33/091 , G11B5/3903 , G11B5/3932 , G11B2005/0008 , G11B2005/3996 , H01F7/064 , Y10T29/49034
Abstract: Implementations disclosed herein provide a method comprising rocking an effective annealing magnetic field between a first positive angle and a second negative angle compared to a desired pinning field orientation in an AFM/PL structure, wherein an angular amplitude of rocking the effective annealing magnetic field between a first positive angle and a second negative angle gradually decreases towards the desired orientation of pinning in the AFM/PL structure.
Abstract translation: 本文公开的实施方案提供了一种方法，包括在AFM / PL结构中与期望的钉扎场取向相比，摆动第一正角和第二负角之间的有效退火磁场，其中将有效退火磁场在 第一正角度和第二负角度朝向在AFM / PL结构中的钉扎的期望取向逐渐减小。
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