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1.发明申请PERPENDICULAR MAGNETIC RECORDING MEDIUM HAVING AN OXIDE SEED LAYER AND RU ALLOY INTERMEDIATE LAYER 审中-公开具有氧化物种子层和RU合金中间层的全磁性记录介质公开(公告)号：US20160125903A1
公开(公告)日：2016-05-05
申请号：US14530600
申请日：2014-10-31
发明人： Ichiro Tamai , Tatsuya Hinoue , Shun Tonooka , Hiroaki Nemoto
CPC分类号： G11B5/1278 , G11B5/7325 , G11B5/7379
摘要： In one embodiment, a perpendicular magnetic recording medium includes a substrate; a soft magnetic underlayer positioned above the substrate; a seed layer structure positioned above the soft magnetic underlayer, the seed layer structure including a first seed layer and a second seed layer positioned above the first seed layer; an interlayer structure positioned above the seed layer structure, the interlayer structure including a first interlayer, a second interlayer positioned above the first interlayer, and a third interlayer positioned above the second interlayer; and a magnetic recording layer positioned above the interlayer structure, where the second seed layer includes a Ni alloy including at least one oxide, and where the first interlayer includes a Ru alloy.
摘要翻译： 在一个实施例中，垂直磁记录介质包括基板; 位于基板上方的软磁性底层; 位于所述软磁性底层上方的种子层结构，所述种子层结构包括位于所述第一种子层上方的第一种子层和第二种子层; 位于种子层结构上方的层间结构，所述层间结构包括第一中间层，位于第一中间层上方的第二中间层和位于第二中间层上方的第三中间层; 以及位于所述层间结构上方的磁记录层，其中所述第二晶种层包括包含至少一种氧化物的Ni合金，并且其中所述第一中间层包括Ru合金。
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2.发明申请GRANULAR MEDIA WITH A HIGH-HK ASSIST LAYER FOR MICROWAVE-ASSISTED MAGNETIC RECORDING 有权用于微波辅助磁记录的高密度辅助层的颗粒介质公开(公告)号：US20150062745A1
公开(公告)日：2015-03-05
申请号：US14015824
申请日：2013-08-30
发明人： Tatsuya Hinoue , Ichiro Tamai , Hiroaki Nemoto
CPC分类号： G11B5/66 , G11B5/314 , G11B5/65 , G11B2005/0024
摘要： In one embodiment, a magnetic storage device includes at least one microwave assisted magnetic recording (MAMR) head, each MAMR head including a spin torque oscillator (STO), a magnetic recording medium, a drive mechanism for passing the magnetic medium over the at least one MAMR head, and a controller electrically coupled to the at least one MAMR head for controlling operation of the at least one MAMR head, wherein the magnetic recording medium includes a recording layer positioned directly or indirectly above a substrate and an assist layer positioned above the recording layer, wherein the recording layer includes at least Co, Pt, and an oxide or oxygen, wherein the assist layer is positioned closer to the at least one MAMR head and includes at least Co and Pt, and wherein at least a portion of the recording layer has a smaller anisotropic magnetic field than the assist layer.
摘要翻译： 在一个实施例中，磁存储装置包括至少一个微波辅助磁记录（MAMR）头，每个MAMR头包括自旋扭矩振荡器（STO），磁记录介质，用于使磁介质通过至少 一个MAMR头和一个控制器，电连接到至少一个MAMR头，用于控制至少一个MAMR头的操作，其中磁记录介质包括直接或间接地位于衬底上方的记录层，以及位于 记录层，其中所述记录层至少包括Co，Pt和氧化物或氧，其中所述辅助层定位成更接近所述至少一个MAMR头并且至少包括Co和Pt，并且其中至少一部分 记录层比辅助层具有较小的各向异性磁场。
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3.发明授权Granular media with a high-Hk assist layer for microwave-assisted magnetic recording 有权颗粒介质具有高Hk辅助层，用于微波辅助磁记录公开(公告)号：US09406327B2
公开(公告)日：2016-08-02
申请号：US14015824
申请日：2013-08-30
发明人： Tatsuya Hinoue , Ichiro Tamai , Hiroaki Nemoto
CPC分类号： G11B5/66 , G11B5/314 , G11B5/65 , G11B2005/0024
摘要： In one embodiment, a magnetic storage device includes at least one microwave assisted magnetic recording (MAMR) head, each MAMR head including a spin torque oscillator (STO), a magnetic recording medium, a drive mechanism for passing the magnetic medium over the at least one MAMR head, and a controller electrically coupled to the at least one MAMR head for controlling operation of the at least one MAMR head, wherein the magnetic recording medium includes a recording layer positioned directly or indirectly above a substrate and an assist layer positioned above the recording layer, wherein the recording layer includes at least Co, Pt, and an oxide or oxygen, wherein the assist layer is positioned closer to the at least one MAMR head and includes at least Co and Pt, and wherein at least a portion of the recording layer has a smaller anisotropic magnetic field than the assist layer.
摘要翻译： 在一个实施例中，磁存储装置包括至少一个微波辅助磁记录（MAMR）头，每个MAMR头包括自旋扭矩振荡器（STO），磁记录介质，用于使磁介质通过至少 一个MAMR头和一个控制器，电连接到至少一个MAMR头，用于控制至少一个MAMR头的操作，其中磁记录介质包括直接或间接地位于衬底上方的记录层，以及位于 记录层，其中所述记录层至少包括Co，Pt和氧化物或氧，其中所述辅助层定位成更接近所述至少一个MAMR头并且至少包括Co和Pt，并且其中至少一部分 记录层比辅助层具有较小的各向异性磁场。
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公开(公告)号：US20150085401A1
公开(公告)日：2015-03-26
申请号：US14038492
申请日：2013-09-26
发明人： Hiroaki Nemoto , Ichiro Tamai , Tatsuya Hinoue , Yuzuru Hosoe
IPC分类号： G11B5/82
CPC分类号： G11B5/82 , G11B5/66 , G11B5/667 , G11B2005/0024
摘要： An HDD includes a magnetic head, and a magnetic recording medium. The recording medium includes a recording magnetic layer, and a recording assist magnetic layer, the recording assist magnetic layer generates a high-frequency magnetic field by means of a recording field from the magnetic head, and a recording assist action acts on the recording magnetic layer.
摘要翻译： HDD包括磁头和磁记录介质。 记录介质包括记录磁性层和记录辅助磁性层，记录辅助磁性层通过来自磁头的记录场产生高频磁场，记录辅助动作作用于记录磁性层 。
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