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公开(公告)号：US20160049165A1
公开(公告)日：2016-02-18
申请号：US14853329
申请日：2015-09-14
Applicant: Seagate Technology LLC
Inventor： Michael Allen Seigler , Sharat Batra , William Albert Challener , Hua Zhou
IPC: G11B5/48
CPC classification number: G11B5/484 , G11B5/02 , G11B5/1278 , G11B5/314 , G11B2005/0021
Abstract: A magnetic recording apparatus includes a write element and an optical device for heating a portion of a magnetic medium. The optical device and the write element are arranged to generally prevent the write element from affecting the optical fields generated by the optical device.
Abstract translation: 磁记录装置包括写入元件和用于加热磁性介质的一部分的光学装置。 光学器件和写入元件被布置成大体上防止写入元件影响由光学器件产生的光学场。
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12.发明申请OPTICAL DEVICES INCLUDING LAYERS THAT WRAP THE NEAR FIELD TRANSDUCER (NFT) 审中-公开光学设备，包括覆盖近场传感器（NFT）的层公开(公告)号：US20150179199A1
公开(公告)日：2015-06-25
申请号：US14135910
申请日：2013-12-20
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Chubing Peng , Hua Zhou
IPC: G11B5/60
CPC classification number: G11B5/6088 , G11B5/3133 , G11B5/314 , G11B2005/0021
Abstract: A device having an air bearing surface (ABS), the device including a near field transducer (NFT), the NFT having at least a portion thereof at the ABS; a first wrap layer, the first wrap layer surrounding at least a portion of the NFT, the first wrap layer having a thickness of not greater than about 30 nanometers (nm), and the first wrap layer being made of a material that has a refractive index (n) that is not greater than 2.0; a second wrap layer, the second wrap layer surrounding at least a portion of the first wrap layer, the second wrap layer having a thickness that is not greater than 100 nm, and the second wrap layer being made of a material that has a refractive index (n) that is at least about 1.9; and a top cladding layer surrounding at least a portion of the second wrap layer, the top cladding layer being made of a material that has a refractive index (n) that is not greater than 2.0.
Abstract translation: 具有空气轴承表面（ABS）的装置，所述装置包括近场换能器（NFT），所述NFT在ABS处具有至少一部分; 第一包裹层，围绕NFT的至少一部分的第一包裹层，第一包裹层具有不大于约30纳米（nm）的厚度，并且第一包裹层由具有折射的材料制成 index（n）不大于2.0; 第二包裹层，所述第二包裹层围绕所述第一包裹层的至少一部分，所述第二包裹层具有不大于100nm的厚度，并且所述第二包裹层由具有折射率的材料制成 （n）至少约为1.9; 以及围绕所述第二包裹层的至少一部分的顶部包层，所述顶部包层由具有不大于2.0的折射率（n）的材料制成。
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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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Patent Agency Ranking
公开(公告)号：US09786303B1
公开(公告)日：2017-10-10
申请号：US15204469
申请日：2016-07-07
Applicant: Seagate Technology LLC
Inventor： Christopher J. Rea , Hua Zhou , Jie Gong
CPC classification number: G11B5/314 , G11B5/3116 , G11B5/3133 , G11B5/3146 , G11B2005/0021
Abstract: An apparatus comprises a magnetic pole and a near-field transducer positioned at or near a media-facing surface and is separated from the magnetic pole, the near-field transducer configured to generate a thermal spot. The apparatus further comprises a layer proximate the magnetic pole and the near-field transducer, and the layer is configured to reduce a magnetic field proximate a center of the thermal spot.
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15.发明授权公开(公告)号：US09099138B2
公开(公告)日：2015-08-04
申请号：US14135910
申请日：2013-12-20
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Chubing Peng , Hua Zhou
CPC classification number: G11B5/6088 , G11B5/3133 , G11B5/314 , G11B2005/0021
Abstract: A device having an air bearing surface (ABS), the device including a near field transducer (NFT), the NFT having at least a portion thereof at the ABS; a first wrap layer, the first wrap layer surrounding at least a portion of the NFT, the first wrap layer having a thickness of not greater than about 30 nanometers (nm), and the first wrap layer being made of a material that has a refractive index (n) that is not greater than 2.0; a second wrap layer, the second wrap layer surrounding at least a portion of the first wrap layer, the second wrap layer having a thickness that is not greater than 100 nm, and the second wrap layer being made of a material that has a refractive index (n) that is at least about 1.9; and a top cladding layer surrounding at least a portion of the second wrap layer, the top cladding layer being made of a material that has a refractive index (n) that is not greater than 2.0.
Abstract translation: 具有空气轴承表面（ABS）的装置，所述装置包括近场换能器（NFT），所述NFT在ABS处具有至少一部分; 第一包裹层，围绕NFT的至少一部分的第一包裹层，第一包裹层具有不大于约30纳米（nm）的厚度，并且第一包裹层由具有折射的材料制成 index（n）不大于2.0; 第二包裹层，所述第二包裹层围绕所述第一包裹层的至少一部分，所述第二包裹层具有不大于100nm的厚度，并且所述第二包裹层由具有折射率的材料制成 （n）至少约为1.9; 以及围绕所述第二包裹层的至少一部分的顶部包层，所述顶部包层由具有不大于2.0的折射率（n）的材料制成。
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公开(公告)号：US09019661B2
公开(公告)日：2015-04-28
申请号：US13961644
申请日：2013-08-07
Applicant: Seagate Technology LLC
Inventor： Chris Rea , Zoran Jandric , Hua Zhou
CPC classification number: G11B13/08 , G11B5/314 , G11B5/6088 , G11B2005/0021
Abstract: An apparatus comprises a write transducer comprising a write pole having a tip portion proximate a media-facing surface and a return pole spaced apart from the write pole in a downtrack direction. The apparatus further includes first and second heat sink portions. The first heat sink portion surrounds a first side of the tip portion that faces the return pole and extends outwards from the tip portion in a cross-track direction. The second heat sink portion comprises a first surface proximate the first heat sink portion and a second surface proximate the return pole and extends outwards in the cross-track direction further than the first heat sink portion.
Abstract translation: 一种装置包括一个写入传感器，该写入传感器包括一个写入极，该写入极具有靠近面向介质的表面的尖端部分和在沿着横向方向与该写入极间隔开的返回极。 该装置还包括第一和第二散热部分。 第一散热器部分包围尖端部分的面向返回极的第一侧，并且在横向方向上从尖端部分向外延伸。 第二散热部分包括靠近第一散热部分的第一表面和邻近返回极的第二表面，并且在横向方向上比第一散热部分更向外延伸。
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17.发明授权Apparatuses and methods for controlling near-field transducer to write pole spacing 有权用于控制近场换能器来写磁极间距的装置和方法公开(公告)号：US08891205B2
公开(公告)日：2014-11-18
申请号：US13864201
申请日：2013-04-16
Applicant: Seagate Technology LLC
Inventor： Hua Zhou , Yongjun Zhao , Chris Rea , Werner Scholz , James G. Wessel
IPC: G11B5/60
CPC classification number: G11B5/6082 , G11B5/1272 , G11B5/187 , G11B5/31 , G11B5/3116 , G11B5/3136 , G11B5/314 , G11B5/4866 , G11B5/84 , G11B13/08 , G11B2005/0021
Abstract: An apparatus is provided that includes a waveguide adjacent an air bearing surface, a near-field transducer comprising a peg having a side orthogonal to the air bearing surface and a write pole adjacent to the waveguide. The write pole includes a first portion extending towards the air bearing surface at a non-orthogonal angle with respect to the air bearing surface, and a second portion in contact with the first portion comprising a side that extends towards and orthogonally contacts the air bearing surface. The second portion or the write pole defines a gap between the side of the peg orthogonal to the air bearing surface and the side of the second portion of the write pole that extends towards and orthogonally contacts the air bearing surface. A method of making a magnetic recording head that includes the provided apparatus is also disclosed.
Abstract translation: 提供了一种装置，其包括邻近空气轴承表面的波导，近场换能器，其包括具有与空气轴承表面正交的一侧的螺栓和与波导相邻的写入极。 写柱包括相对于空气轴承表面以非正交角度朝向空气轴承表面延伸的第一部分，以及与第一部分接触的第二部分，包括朝向并垂直于空气承载表面接触的侧面 。 第二部分或写入磁极限定了垂直于空气轴承表面的销的侧面与朝向和垂直接触空气轴承表面的写入磁极的第二部分的侧面之间的间隙。 还公开了一种制造包括所提供的装置的磁记录头的方法。
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18.发明申请APPARATUSES AND METHODS FOR CONTROLLING NEAR-FIELD TRANSDUCER TO WRITE POLE SPACING 有权将近场传感器控制到写入间距的装置和方法公开(公告)号：US20140307534A1
公开(公告)日：2014-10-16
申请号：US13864201
申请日：2013-04-16
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Hua Zhou , Yongjun Zhao , Chris Rea , Werner Scholz , James G. Wessel
CPC classification number: G11B5/6082 , G11B5/1272 , G11B5/187 , G11B5/31 , G11B5/3116 , G11B5/3136 , G11B5/314 , G11B5/4866 , G11B5/84 , G11B13/08 , G11B2005/0021
Abstract: An apparatus is provided that includes a waveguide adjacent an air bearing surface, a near-field transducer comprising a peg having a side orthogonal to the air bearing surface and a write pole adjacent to the waveguide. The write pole includes a first portion extending towards the air bearing surface at a non-orthogonal angle with respect to the air bearing surface, and a second portion in contact with the first portion comprising a side that extends towards and orthogonally contacts the air bearing surface. The second portion or the write pole defines a gap between the side of the peg orthogonal to the air bearing surface and the side of the second portion of the write pole that extends towards and orthogonally contacts the air bearing surface. A method of making a magnetic recording head that includes the provided apparatus is also disclosed.
Abstract translation: 提供了一种装置，其包括邻近空气轴承表面的波导，近场换能器，其包括具有与空气支承表面正交的一侧的螺栓和与波导相邻的写入极。 写柱包括相对于空气轴承表面以非正交角度朝向空气轴承表面延伸的第一部分，以及与第一部分接触的第二部分，包括朝向并垂直于空气承载表面接触的侧面 。 第二部分或写入磁极限定了垂直于空气轴承表面的销的侧面与朝向和垂直接触空气轴承表面的写入磁极的第二部分的侧面之间的间隙。 还公开了一种制造包括所提供的装置的磁记录头的方法。
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