公开(公告)号：US09779771B1

公开(公告)日：2017-10-03

申请号：US15083735

申请日：2016-03-29

Applicant: Seagate Technology LLC

Inventor： Kangkang Wang ,  Yingguo Peng ,  Ganping Ju ,  Xiaobin Zhu ,  Li Gao ,  Yinfeng Ding ,  Kai Chieh Chang ,  Timothy J. Klemmer ,  Yukiko Kubota ,  Jan-Ulrich Thiele ,  Thomas P. Nolan

IPC: G11B5/65 ,  G11B5/72 ,  G11B5/00 ,  G11B5/66

CPC classification number: G11B5/653 ,  G11B5/66 ,  G11B5/72 ,  G11B5/82 ,  G11B2005/0021

Abstract: A stack includes a substrate, a magnetic recording layer comprising FePtX disposed over the substrate, and a capping layer disposed on the magnetic recording layer. The capping layer comprises Co; at least one rare earth element; one or more elements selected from a group consisting of Fe and Pt; and an amorphizing agent comprising one to three elements selected from a group consisting of B, Zr, Ta, Cr, Nb, W, V, and Mo.

公开(公告)号：US20160099016A1

公开(公告)日：2016-04-07

申请号：US14965579

申请日：2015-12-10

Applicant: Seagate Technology LLC

Inventor： Yukiko Kubota ,  Timothy John Klemmer ,  Kai Chieh Chang ,  Li Gao ,  Yinfeng Ding ,  Yingguo Peng ,  Jan-Ulrich Thiele

IPC: G11B5/65 ,  G11B5/851

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.

公开(公告)号：US20160064022A1

公开(公告)日：2016-03-03

申请号：US14839441

申请日：2015-08-28

Applicant: Seagate Technology LLC

Inventor： Jan-Ulrich Thiele ,  Yinfeng Ding ,  YingGuo Peng ,  Kai-Chieh Chang ,  Timothy John Klemmer ,  Li Gao ,  Yukiko Kubota ,  Ganping Ju

IPC: G11B5/65 ,  C22C5/04 ,  G11B5/667

CPC classification number: G11B5/653 ,  C22C5/04 ,  G11B5/66 ,  G11B2005/0021

Abstract: In some embodiments, a thermally assisted data recording medium has a recording layer formed of iron (Fe), platinum (Pt) and a transition metal T selected from a group consisting of Rhodium (Rh), Ruthenium (Ru), Osmium (Os) and Iridium (Ir) to substitute for a portion of the Pt content as FeYPtY-XTX with Y in the range of from about 20 at % to about 80 at % and X in the range of from about 0 at % to about 20 at %.

Abstract translation: 在一些实施方案中，热辅助数据记录介质具有由铁（Fe），铂（Pt）和过渡金属T形成的记录层，其选自铑（Rh），钌（Ru），锇（Os） 和铱（Ir）代替一部分Pt含量作为FeYPtY-XTX，Y在约20at％至约80at％的范围内，X在约0at％至约20at％的范围内 。

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

IPC: G11B5/74 ,  G11B5/84 ,  G11B13/04

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。