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Patent Agency Ranking
公开(公告)号：US09728216B2
公开(公告)日：2017-08-08
申请号：US14462428
申请日：2014-08-18
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Erol Girt , Mariana Rodica Munteanu , Hans Jurgen Richter , Felix Trejo
Abstract: A ferromagnetically coupled magnetic recording medium having a first ferromagnetic layer, a second ferromagnetic layer, and a ferromagnetic coupling layer to ferromagnetically couple the first ferromagnetic layer to the second ferromagnetic layer is used as stable magnetic media with high MrT in high density recording hard drives. The first ferromagnetic layer is the stabilization layer and the second ferromagnetic layer is the main recording layer. The ferromagnetic coupling layer comprises a conductive material having a thickness which produces ferromagnetic coupling between said first ferromagnetic layer and said second ferromagnetic layer via the RKKY interaction.
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2.发明授权High density granular perpendicular recording media for mechanical reliability and corrosion resistance 有权高密度颗粒垂直记录介质，用于机械可靠性和耐腐蚀性公开(公告)号：US09418693B2
公开(公告)日：2016-08-16
申请号：US14672800
申请日：2015-03-30
Applicant: Seagate Technology LLC
Inventor： Weilu Xu , Miaogen Lu , Mariana Rodica Munteanu , Michael Z. Wu , Shanghsien A. Rou , Steve Kuo-Hsing Hwang , Edward T. Yen
CPC classification number: G11B5/65 , G11B5/667 , G11B5/7325 , G11B5/851
Abstract: An embodiment of the invention relates to a perpendicular magnetic recording medium comprising (1) a substrate, (2) an interlayer comprising hexagonal columns and (3) a magnetic layer, wherein the magnetic layer is deposited applying a bias voltage to the substrate such that the magnetic layer comprises magnetic grains having substantially no sub-grains within the magnetic layer, and the magnetic layer has perpendicular magnetic anisotropy.
Abstract translation: 本发明的一个实施例涉及一种垂直磁记录介质，其包括（1）基板，（2）包括六边形列的中间层和（3）磁性层，其中磁性层被沉积到偏压基板上，使得 磁性层包括在磁性层内基本上没有亚晶粒的磁性颗粒，并且磁性层具有垂直的磁各向异性。
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公开(公告)号：US20140356649A1
公开(公告)日：2014-12-04
申请号：US14462428
申请日：2014-08-18
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Erol Girt , Mariana Rodica Munteanu , Hans Jurgen Richter , Felix Trejo
IPC: G11B5/66
Abstract: A ferromagnetically coupled magnetic recording medium having a first ferromagnetic layer, a second ferromagnetic layer, and a ferromagnetic coupling layer to ferromagnetically couple the first ferromagnetic layer to the second ferromagnetic layer is used as stable magnetic media with high MrT in high density recording hard drives. The first ferromagnetic layer is the stabilization layer and the second ferromagnetic layer is the main recording layer. The ferromagnetic coupling layer comprises a conductive material having a thickness which produces ferromagnetic coupling between said first ferromagnetic layer and said second ferromagnetic layer via the RKKY interaction.
Abstract translation: 在高密度记录硬盘驱动器中，使用具有第一铁磁层，第二铁磁层和铁磁耦合层的铁磁耦合磁记录介质以将第一铁磁层铁磁耦合到第二铁磁层作为具有高MrT的稳定磁介质。 第一铁磁层是稳定层，第二铁磁层是主记录层。 铁磁耦合层包括具有通过RKKY相互作用在所述第一铁磁层和所述第二铁磁层之间产生铁磁耦合的厚度的导电材料。
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4.发明申请High Density Granular Perpendicular Recording Media for Mechanical Reliability and Corrosion Resistance 审中-公开高密度颗粒垂直记录介质，用于机械可靠性和耐腐蚀性公开(公告)号：US20150279400A1
公开(公告)日：2015-10-01
申请号：US14672800
申请日：2015-03-30
Applicant: Seagate Technology LLC
Inventor： Weilu Xu , Miaogen Lu , Mariana Rodica Munteanu , Michael Z. Wu , Shanghsien A. Rou , Steve Kuo-Hsing Hwang , Edward T. Yen
CPC classification number: G11B5/65 , G11B5/667 , G11B5/7325 , G11B5/851
Abstract: An embodiment of the invention relates to a perpendicular magnetic recording medium comprising (1) a substrate, (2) an interlayer comprising hexagonal columns and (3) a magnetic layer, wherein the magnetic layer is deposited applying a bias voltage to the substrate such that the magnetic layer comprises magnetic grains having substantially no sub-grains within the magnetic layer, and the magnetic layer has perpendicular magnetic anisotropy.
Abstract translation: 本发明的一个实施例涉及一种垂直磁记录介质，其包括（1）基板，（2）包括六边形列的中间层和（3）磁性层，其中磁性层被沉积到偏压基板上，使得 磁性层包括在磁性层内基本上没有亚晶粒的磁性颗粒，并且磁性层具有垂直的磁各向异性。
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5.发明申请公开(公告)号：US20140178714A1
公开(公告)日：2014-06-26
申请号：US14192641
申请日：2014-02-27
Applicant: Seagate Technology LLC
Inventor： Zhong Stella Wu , Samuel Dacke Harkness, IV , Mariana Rodica Munteanu , Qixu Chen , Connie Chunling Liu
IPC: G11B5/65
Abstract: A perpendicular magnetic recording medium having a dual-layer magnetic film is disclosed. The bottom layer is completely exchange decoupled, and the top layer contains a certain amount of exchange coupling optimized for recording performance. Preferably, the bottom magnetic layer contains stable oxide material (for example, TiO2) and other non-magnetic elements (for example, Cr). A method of manufacturing the media is also disclosed.
Abstract translation: 公开了具有双层磁性膜的垂直磁记录介质。 底层完全交换去耦，顶层包含一定量的交换耦合，用于记录性能优化。 优选地，底部磁性层包含稳定的氧化物材料（例如TiO 2）和其它非磁性元件（例如，Cr）。 还公开了制造介质的方法。
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