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公开(公告)号：US20150016237A1
公开(公告)日：2015-01-15
申请号：US14055775
申请日：2013-10-16
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Xi Chen , Ganping Ju , Yingguo Peng , Timothy J. Klemmer , Yukiko A. Kubota , Jan-Ulrich Thiele , David S. Kuo , Kai-Chieh Chang , Kangkang Wang , Li Gao , Yinfeng Ding
CPC classification number: G11B5/66 , G11B5/746 , G11B5/8404 , G11B5/855 , G11B2005/0021
Abstract: The embodiments disclose a patterned composite magnetic layer structure configured to use magnetic materials having differing temperature and magnetization characteristics in a recording device, wherein the patterned composite magnetic layer structure includes magnetic layers, at least one first magnetic material configured to be used in a particular order to reduce a recording temperature and configured to control and regulate coupling and decoupling of the magnetic layers and at least one second magnetic material with differing temperature characteristics is configured to control recording and erasing of data.
Abstract translation: 实施例公开了一种图案化复合磁性层结构，其被配置为使用在记录装置中具有不同温度和磁化特性的磁性材料，其中所述图案化的复合磁性层结构包括磁性层，至少一个第一磁性材料被配置成以特定顺序使用 以降低记录温度并且被配置为控制和调节磁性层的耦合和去耦，并且具有不同温度特性的至少一个第二磁性材料被配置为控制数据的记录和擦除。
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公开(公告)号：US20150013946A1
公开(公告)日：2015-01-15
申请号：US14055768
申请日：2013-10-16
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Ganping Ju , Xiaobin Zhu , Chubing Peng , Yukiko A. Kubota , Yingguo Peng , Timothy J. Klemmer , Jan-Ulrich Thiele , David S. Kuo , Bin Lu , Julius K. Hohlfeld
IPC: F28F3/08
CPC classification number: F28F3/08 , F28F13/00 , G11B5/7325 , G11B5/855 , G11B2005/0021
Abstract: The embodiments disclose at least one predetermined patterned layer configured to eliminate a physical path of lateral thermal bloom in a recording device, at least one gradient layer coupled to the patterned layer and configured to use materials with predetermined thermal conductivity for controlling a rate of dissipation and a path coupled to the gradient layer and configured to create a path of least thermal conduction resistance for directing dissipation along the path, wherein the path substantially regulates and prevents lateral thermal bloom.
Abstract translation: 这些实施例公开了至少一个预定图案层，其被配置为消除记录装置中的横向热绽放的物理路径，耦合到图案化层的至少一个梯度层，并且被配置为使用具有预定热导率的材料来控制散热速率， 路径，其耦合到所述梯度层并且被配置为创建用于沿着所述路径引导耗散的最小导热电阻的路径，其中所述路径基本上调节并防止横向热辐射。
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13.发明授权公开(公告)号：US09916868B1
公开(公告)日：2018-03-13
申请号：US15229967
申请日：2016-08-05
Applicant: Seagate Technology LLC
Inventor： Kangkang Wang , Xiaobin Zhu , Ganping Ju , Kai Chieh Chang , Yingguo Peng , Timothy J. Klemmer , Jan-Ulrich Thiele , Pin-Wei Huang
IPC: G11B27/36 , G11B7/1263 , G11B5/024 , G11B5/09 , G11B7/1267 , G11B5/00
CPC classification number: G11B27/36 , G01R33/0325 , G11B5/024 , G11B5/09 , G11B5/4555 , G11B7/1263 , G11B7/1267 , G11B2005/0021
Abstract: An apparatus comprises a spindle to rotate a magnetic recording medium and a magnetic field generator to expose a track of the medium to a DC magnetic field. The magnetic field generator is configured to saturate the track during an erase mode and reverse the DC magnetic field impinging the track during a writing mode. A laser arrangement heats the track during the erase mode and, during the writing mode, heats the track while the track is exposed to the reversed DC magnetic field so as to write a magnetic pattern thereon. A reader reads the magnetic pattern and generates a read signal. A processor is coupled to the reader and configured to determine an anisotropy parameter using the read signal. The apparatus can further comprise a Kerr sensor that generates a Kerr signal using the magnetic pattern.
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公开(公告)号：US09672854B2
公开(公告)日：2017-06-06
申请号：US14068871
申请日：2013-10-31
Applicant: Seagate Technology LLC
Inventor： Yukiko Kubota , Timothy J. Klemmer , Kai Chieh Chang , Li Gao , Yinfeng Ding , Yingguo Peng , Jan-Ulrich Thiele
CPC classification number: G11B5/65 , G11B5/647 , G11B5/66 , G11B5/7325 , G11B5/851
Abstract: A stack includes a substrate and a magnetic recording layer. Disposed between the substrate and magnetic recording layer is an MgO—Ti(ON) layer.
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公开(公告)号：US20170025139A1
公开(公告)日：2017-01-26
申请号：US15199668
申请日：2016-06-30
Applicant: Seagate Technology LLC
Inventor： Paul M. Jones , Timothy J. Klemmer , Ruoxi Yang , Martin Giles Blaber , Xiaoding Ma , ZhaoHui Z. Fan , Michael J. Stirniman , Yang Yang , XiaoPing Yan , Fujian Huang , Emil John C. Esmenda , Emir R. Kazazic , Florin Zavaliche , Hongbo Wang , Huan H. Tang , Kyoumarss Damavandi
IPC: G11B5/72
CPC classification number: G11B5/72 , G11B5/012 , G11B2005/0021
Abstract: Provided herein is an apparatus including a substrate and a magnetic recording layer over the substrate. In addition, a thermochromic layer is over the substrate, wherein the thermochromic layer includes a first optical absorbance at a first temperature and a second optical absorbance at a second temperature.
Abstract translation: 本文提供了一种装置，其包括在基板上的基板和磁记录层。 另外，热致变色层在衬底之上，其中热致变色层包括在第一温度下的第一光吸收和在第二温度下的第二光吸收。
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Patent Agency Ranking
公开(公告)号：US20150093598A1
公开(公告)日：2015-04-02
申请号：US14068871
申请日：2013-10-31
Applicant: Seagate Technology LLC
Inventor： Yukiko Kubota , Timothy J. Klemmer , Kai Chieh Chang , Li Gao , Yinfeng Ding , Yingguo Peng , Jan-Ulrich Thiele
CPC classification number: G11B5/65 , G11B5/647 , G11B5/66 , G11B5/7325 , G11B5/851
Abstract: A stack includes a substrate and a magnetic recording layer. Disposed between the substrate and magnetic recording layer is an MgO—Ti(ON) layer.
Abstract translation: 堆叠包括基板和磁记录层。 设置在基板和磁记录层之间的是MgO-Ti（ON）层。
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公开(公告)号：US10269382B1
公开(公告)日：2019-04-23
申请号：US15928399
申请日：2018-03-22
Applicant: Seagate Technology LLC
Inventor： Florin Zavaliche , Timothy J. Klemmer , Yukiko Kubota , Paul M. Jones , Fujian Huang
Abstract: A stack includes a heatsink layer, a magnetic recording layer disposed over the heatsink layer, and a Si-based overcoat layer disposed over the magnetic recording layer. The Si-based overcoat layer is substantially devoid of carbon.
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18.发明授权公开(公告)号：US10134446B1
公开(公告)日：2018-11-20
申请号：US15918269
申请日：2018-03-12
Applicant: Seagate Technology LLC
Inventor： Kangkang Wang , Xiaobin Zhu , Ganping Ju , Kai Chieh Chang , Yingguo Peng , Timothy J. Klemmer , Jan-Ulrich Thiele , Pin-Wei Huang
IPC: G11B27/36 , G11B7/1267 , G11B5/024 , G11B5/09 , G11B7/1263 , G11B5/455 , G01R33/032 , G11B5/00
Abstract: An apparatus comprises a spindle to rotate a magnetic recording medium and a magnetic field generator to expose a track of the medium to a DC magnetic field. The magnetic field generator is configured to saturate the track during an erase mode and reverse the DC magnetic field impinging the track during a writing mode. A laser arrangement heats the track during the erase mode and, during the writing mode, heats the track while the track is exposed to the reversed DC magnetic field so as to write a magnetic pattern thereon. A reader reads the magnetic pattern and generates a read signal. A processor is coupled to the reader and configured to determine an anisotropy parameter using the read signal. The apparatus can further comprise a Kerr sensor that generates a Kerr signal using the magnetic pattern.
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19.发明授权公开(公告)号：US09984709B1
公开(公告)日：2018-05-29
申请号：US15466798
申请日：2017-03-22
Applicant: Seagate Technology LLC
Inventor： Pin-Wei Huang , YinFeng Ding , YingGuo Peng , Xiaobin Zhu , Kai-Chieh Chang , Yukiko Kubota , Timothy J. Klemmer , QiHong Wu , Ganping Ju , Jan-Ulrich Thiele , Florin Zavaliche
CPC classification number: G11B5/66 , G11B5/6088 , G11B7/126 , G11B2005/0021
Abstract: An apparatus is disclosed. The apparatus includes a storage layer, a thermal exchange control layer disposed over the storage layer, and a write layer disposed over the thermal exchange control layer. A Curie temperature of the thermal exchange control layer is lower than a Curie temperature of the storage layer. The Curie temperature of the thermal exchange control layer is lower than a Curie temperature of the write layer.
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公开(公告)号：US09940953B1
公开(公告)日：2018-04-10
申请号：US15333648
申请日：2016-10-25
Applicant: Seagate Technology LLC
Inventor： Florin Zavaliche , Timothy J. Klemmer , Yukiko Kubota , Paul M. Jones , Fujian Huang
CPC classification number: G11B5/314 , G11B5/3163 , G11B5/40 , G11B2005/0021
Abstract: A stack includes a heatsink layer, a magnetic recording layer disposed over the heatsink layer, and a Si-based overcoat layer disposed over the magnetic recording layer. The Si-based overcoat layer is substantially devoid of carbon.
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