Perpendicular magnetic recording media with oxide-containing exchange coupling layer
    6.
    发明授权
    Perpendicular magnetic recording media with oxide-containing exchange coupling layer 有权
    具有氧化物交换耦合层的垂直磁记录介质

    公开(公告)号:US08168310B2

    公开(公告)日:2012-05-01

    申请号:US12638905

    申请日:2009-12-15

    IPC分类号: G11B5/66

    CPC分类号: G11B5/66 G11B5/65

    摘要: A magnetic storage medium according to one embodiment includes a substrate; a first oxide magnetic layer formed above the substrate; a second oxide magnetic layer formed above the first oxide magnetic layer; an exchange coupling layer formed above the second oxide magnetic layer, the exchange coupling layer comprising an oxide; and a magnetic cap layer formed above the exchange coupling layer. A method according to one embodiment includes forming a high Ku first oxide magnetic layer above a substrate by sputtering; forming a low Ku second oxide magnetic layer above the first oxide magnetic layer by sputtering; forming an exchange coupling layer of CoCrPt-oxide above the second oxide magnetic layer; and forming a magnetic cap layer above the exchange coupling layer. Additional systems and methods are also presented.

    摘要翻译: 根据一个实施例的磁存储介质包括基板; 形成在所述基板上的第一氧化物磁性层; 形成在所述第一氧化物磁性层上方的第二氧化物磁性层; 在所述第二氧化物磁性层上形成的交换耦合层,所述交换耦合层包含氧化物; 以及形成在所述交换耦合层上方的磁性盖层。 根据一个实施例的方法包括通过溅射在衬底上方形成高Ku第一氧化物磁性层; 通过溅射在第一氧化物磁性层上方形成低Ku第二氧化物磁性层; 在所述第二氧化物磁性层上方形成CoCrPt氧化物的交换耦合层; 以及在所述交换耦合层上方形成磁性覆盖层。 还介绍了其他系统和方法。

    PERPENDICULAR MAGNETIC RECORDING MEDIA WITH OXIDE-CONTAINING EXCHANGE COUPLING LAYER
    7.
    发明申请
    PERPENDICULAR MAGNETIC RECORDING MEDIA WITH OXIDE-CONTAINING EXCHANGE COUPLING LAYER 有权
    含氧化物交换耦合层的全磁性记录介质

    公开(公告)号:US20110141621A1

    公开(公告)日:2011-06-16

    申请号:US12638905

    申请日:2009-12-15

    IPC分类号: G11B5/82 C23C14/34

    CPC分类号: G11B5/66 G11B5/65

    摘要: A magnetic storage medium according to one embodiment includes a substrate; a first oxide magnetic layer formed above the substrate; a second oxide magnetic layer formed above the first oxide magnetic layer; an exchange coupling layer formed above the second oxide magnetic layer, the exchange coupling layer comprising an oxide; and a magnetic cap layer formed above the exchange coupling layer. A method according to one embodiment includes forming a high Ku first oxide magnetic layer above a substrate by sputtering; forming a low Ku second oxide magnetic layer above the first oxide magnetic layer by sputtering; forming an exchange coupling layer of CoCrPt-oxide above the second oxide magnetic layer; and forming a magnetic cap layer above the exchange coupling layer. Additional systems and methods are also presented.

    摘要翻译: 根据一个实施例的磁存储介质包括基板; 形成在所述基板上的第一氧化物磁性层; 形成在所述第一氧化物磁性层上方的第二氧化物磁性层; 在所述第二氧化物磁性层上形成的交换耦合层,所述交换耦合层包含氧化物; 以及形成在所述交换耦合层上方的磁性盖层。 根据一个实施例的方法包括通过溅射在衬底上方形成高Ku第一氧化物磁性层; 通过溅射在第一氧化物磁性层上方形成低Ku第二氧化物磁性层; 在所述第二氧化物磁性层上方形成CoCrPt氧化物的交换耦合层; 以及在所述交换耦合层上方形成磁性覆盖层。 还介绍了其他系统和方法。

    Magnetic recording disk with antiferromagnetically coupled master layer including copper
    10.
    发明授权
    Magnetic recording disk with antiferromagnetically coupled master layer including copper 失效
    具有反铁磁耦合主磁层(包括铜)的磁记录盘

    公开(公告)号:US07419730B2

    公开(公告)日:2008-09-02

    申请号:US10931642

    申请日:2004-08-31

    IPC分类号: G11B5/66

    摘要: An antiferromagnetically coupled (AFC) magnetic recording medium with an AFC master layer comprising at least two magnetic layers with the top magnetic layer including copper is described. The slave layer is separated from the master layer structure by a nonmagnetic spacer layer selected to antiferromagnetically couple the layers. The master layer structure according to the invention includes a bottom and top layer of distinct ferromagnetic materials. Preferably, the top layer of the master layer is a cobalt alloy including from 1 to 5 at. % copper with an example being CoPt13Cr20B8Cu2. The AFC magnetic layer structure can be used with a variety of substrates including circumferentially textured glass and NiP/AlMg.

    摘要翻译: 描述了具有包括至少两个具有顶部磁性层包括铜的磁性层的AFC主层的反铁磁耦合(AFC)磁记录介质。 通过选择用于反铁磁耦合层的非磁性间隔层将从属层与主层结构分离。 根据本发明的主层结构包括不同铁磁材料的底层和顶层。 优选地,主层的顶层是包括1至5个的钴合金。 %铜,例如CoPt 13 C 20 20 B 2 Cu 2。 AFC磁性层结构可以与各种基材一起使用,包括圆周纹理玻璃和NiP / AlMg。