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94 条记录 (耗时 0.019 秒)

    Method for making zone-bonded lubricant layer for magnetic hard discs
    1.
    发明申请
    Method for making zone-bonded lubricant layer for magnetic hard discs 审中-公开
    用于制造磁性硬盘的区域粘合润滑剂层的方法

    公开(公告)号：US20050145175A1

    公开(公告)日：2005-07-07

    申请号：US11058955

    申请日：2005-02-15

    申请人： Xiaoding Ma ,  Michael Stirniman ,  Jing Gui

    发明人： Xiaoding Ma ,  Michael Stirniman ,  Jing Gui

    IPC分类号： C08F2/46 ,  C23C14/02 ,  C23C14/12 ,  G11B5/84 ,  C23C16/00

    CPC分类号： C23C14/12 ,  C23C14/022 ,  G11B5/8408

    摘要： A system and method for improving the durability and reliability of recording media used in hard drives is disclosed. A protective overcoat made by depositing a diamond like carbon (DLC) layer over a magnetic layer and then depleting a portion of the DLC protective layer of hydrogen before it is coated with a Perfluoropolyethers (PFPE) using an in-situ vapor lubrication technique. The portion of the DLC layer which is depleted can be data zone of the media so that the lubricant-bonding ratio is higher for the landing zone than it is for the data zone.

    摘要翻译： 公开了一种用于提高在硬盘驱动器中使用的记录介质的耐久性和可靠性的系统和方法。 通过在磁性层上沉积类金刚石（DLC）层，然后在使用原位蒸气润滑技术涂覆全氟聚醚（PFPE）之前耗尽部分DLC保护层氢的保护外涂层。 耗尽的DLC层的部分可以是介质的数据区，使得着陆区的润滑键合比高于数据区。

    Protection overcoat for recording media
    2.
    发明授权
    Protection overcoat for recording media 失效
    保护大衣记录媒体

    公开(公告)号：US06824836B1

    公开(公告)日：2004-11-30

    申请号：US10624488

    申请日：2003-07-23

    申请人： Jing Gui ,  Michael Stirniman ,  Xiaoding Ma

    发明人： Jing Gui ,  Michael Stirniman ,  Xiaoding Ma

    IPC分类号： G11B572

    CPC分类号： G11B5/72 ,  Y10S427/103 ,  Y10T428/24942 ,  Y10T428/265 ,  Y10T428/30

    摘要： A magnetic recording medium comprising a magnetic layer and a protective carbon-containing overcoat comprising a first carbon density, preferably of a low-density carbon, and a second carbon density different from the first carbon density, preferably of a high-density carbon, and a method of making and using the magnetic recording medium are disclosed.

    摘要翻译： 一种包含磁性层和保护性含碳外涂层的磁记录介质，其包含优选低密度碳的第一碳密度和不同于第一碳密度的第二碳密度，优选为高密度碳，以及 公开了制造和使用磁记录介质的方法。

    Granular magnetic recording media with improved corrosion resistance by pre-carbon overcoat ion etching
    3.
    发明申请
    Granular magnetic recording media with improved corrosion resistance by pre-carbon overcoat ion etching 审中-公开
    粒状磁记录介质通过预碳涂层离子蚀刻具有改善的耐腐蚀性

    公开(公告)号：US20050181239A1

    公开(公告)日：2005-08-18

    申请号：US10776223

    申请日：2004-02-12

    申请人： Xiaoding Ma ,  Michael Stirniman ,  Raj Thangaraj ,  Jing Gui ,  Tom Nolan ,  Huan Tang

    发明人： Xiaoding Ma ,  Michael Stirniman ,  Raj Thangaraj ,  Jing Gui ,  Tom Nolan ,  Huan Tang

    IPC分类号： B05D5/12 ,  G11B5/64 ,  G11B5/72 ,  G11B5/725 ,  G11B5/73 ,  G11B5/84 ,  G11B5/851 ,  G11B7/24

    CPC分类号： G11B5/84 ,  G11B5/656 ,  G11B5/722 ,  G11B5/725 ,  G11B5/7325 ,  G11B5/8408 ,  G11B5/851

    摘要： A granular longitudinal or perpendicular magnetic recording medium with enhanced corrosion resistance comprises: (a) a non-magnetic substrate having a surface; (b) a layer stack on the substrate surface, including a granular longitudinal or perpendicular magnetic recording layer having a surface distal the substrate surface treated to provide at least one of: (i) a reduction of nano-scale roughness and porosity; (ii) increased compositional homogeneity; (iii) increased microstructural homogeneity; (iv) preferential removal of at least one element; and (v) increased grain boundary coverage by the subsequently deposited protective overcoat layer; and (c) a protective overcoat layer on the treated surface of the granular magnetic recording layer.

    摘要翻译： 具有增强的耐腐蚀性的粒状纵向或垂直磁记录介质包括：（a）具有表面的非磁性基底; （b）衬底表面上的层叠体，包括具有被处理的衬底表面的表面的粒状纵向或垂直磁记录层，以提供以下至少一个：（i）降低纳米级粗糙度和孔隙率; （ii）增加组成均匀性; （iii）显微组织均匀性增加; （iv）优先除去至少一种元素; 和（v）随后沉积的保护性外涂层增加了晶界覆盖度; 和（c）粒状磁记录层的被处理表面上的保护性外涂层。

    Protection overcoat for recording media
    4.
    发明授权
    Protection overcoat for recording media 失效
    保护大衣记录媒体

    公开(公告)号：US06638608B1

    公开(公告)日：2003-10-28

    申请号：US09987570

    申请日：2001-11-15

    申请人： Jing Gui ,  Michael Stirniman ,  Xiaoding Ma

    发明人： Jing Gui ,  Michael Stirniman ,  Xiaoding Ma

    IPC分类号： G11B572

    CPC分类号： G11B5/72 ,  Y10S427/103 ,  Y10T428/24942 ,  Y10T428/265 ,  Y10T428/30

    摘要： A magnetic recording medium comprising a magnetic layer and a protective carbon-containing overcoat comprising a first carbon density, preferably of a low-density carbon, and a second carbon density different from the first carbon density, preferably of a high-density carbon, and a method of making and using the magnetic recording medium are disclosed.

    摘要翻译： 一种包含磁性层和保护性含碳外涂层的磁记录介质，其包含优选低密度碳的第一碳密度和不同于第一碳密度的第二碳密度，优选为高密度碳，以及 公开了制造和使用磁记录介质的方法。

    Dual-layer carbon-based protective overcoats for recording media by filtered cathodic ARC deposition
    6.
    发明申请
    Dual-layer carbon-based protective overcoats for recording media by filtered cathodic ARC deposition 有权
    用于通过过滤阴极ARC沉积记录介质的双层碳基保护涂层

    公开(公告)号：US20050181238A1

    公开(公告)日：2005-08-18

    申请号：US10776191

    申请日：2004-02-12

    申请人： Xiaoding Ma ,  Michael Stirniman ,  Jing Gui

    发明人： Xiaoding Ma ,  Michael Stirniman ,  Jing Gui

    IPC分类号： C23C14/06 ,  G11B5/72 ,  G11B5/84 ,  C23C16/00 ,  G11B5/64

    CPC分类号： G11B5/72 ,  C23C14/0605 ,  G11B5/8408 ,  Y10T428/24975 ,  Y10T428/24983 ,  Y10T428/24992

    摘要： A recording medium, comprising: (a) a substrate having at least one surface; (b) a stacked plurality of thin film layers on the at least one surface and including at least one magnetic or magneto-optical (MO) recording layer; and (c) a protective overcoat layer on an outer surface of an outermost layer of the layer stack, comprising: (i) a first sub-layer layer (c1) of undoped tetrahedral amorphous carbon (ta-C) formed by filtered cathodic arc deposition (FCAD) on the outer surface of the outermost layer of the stacked plurality of thin film layers and having a high mass density of carbon (C) atoms greater than about 2.5 gms/cm3; and (ii) a second sub-layer (c2) of nitrogen-doped tetrahedral amorphous carbon (ta-C:N) formed by FCAD on the undoped ta-C layer and having a high mass density of carbon (C) atoms greater than about 2.0 gms/cm3.

    摘要翻译： 一种记录介质，包括：（a）具有至少一个表面的基底; （b）在所述至少一个表面上堆叠的多个薄膜层，并且包括至少一个磁光或磁光（MO）记录层; （c）在层叠体的最外层的外表面上的保护性外涂层，包括：（i）未掺杂的四面体无定形碳（ta）的第一子层层（c 1） -C）通过过滤的阴极电弧沉积（FCAD）形成在层叠的多个薄膜层的最外层的外表面上，并且具有大于约2.5gms / cm 2的碳（C）原子的高质量密度， 3 ; 和（ii）由FCAD在未掺杂的Ta-C层上形成并且具有高质量密度的由氮化物掺杂的四面体无定形碳（ta-C：N）的第二子层（c 2 N 2） 的碳（C）原子大于约2.0gms / cm 3。

    Magnetic recording medium having a nitrogen-doped hydrogenated carbon protective overcoat
    9.
    发明授权
    Magnetic recording medium having a nitrogen-doped hydrogenated carbon protective overcoat 失效
    具有氮掺杂氢化碳保护外涂层的磁记录介质

    公开(公告)号：US06312798B1

    公开(公告)日：2001-11-06

    申请号：US09400187

    申请日：1999-09-21

    申请人： Xiaoding Ma ,  Kevin J. Grannen ,  Jing Gui ,  Jeffrey A. McCann ,  Mark A. Shows

    发明人： Xiaoding Ma ,  Kevin J. Grannen ,  Jing Gui ,  Jeffrey A. McCann ,  Mark A. Shows

    IPC分类号： G11B572

    CPC分类号： G11B5/72 ,  Y10T428/265 ,  Y10T428/30

    摘要： Ion beam-deposited, nitrogen-doped C:H films having substantially lower resistivities than undoped ion beam-deposited C:H films and suitable for use as hard, abrasion-resistant overcoat layers for magnetic recording media, such as hard disks, are formed by supplying a mixture of hydrocarbon and nitrogen gases to an ion beam generator. Nitrogen atom content of the films is controlled to within from about 5 to about 25 at. % by appropriate selection of the ratio of hydrocarbon gas flow to nitrogen gas flow. The resultant IBD i-C:HN films exhibit a reduced tendency for charge build-up thereon during hard disk operation by virtue of their lower resistivity vis-à-vis conventional a-C:H materials.

    摘要翻译： 离子束沉积的氮掺杂的C：H膜具有比未掺杂的离子束沉积的C：H膜具有显着更低的电阻率，并且适合用作硬记录介质（例如硬盘）的硬的，耐磨损的外涂层 通过向离子束发生器提供烃和氮气的混合物。 将膜的氮原子含量控制在约5至约25at。 通过适当选择碳氢化合物气体流量与氮气流量的比例来确定。 所得到的IBD i-C：HN膜在硬盘操作期间由于其相对于常规a-C：H材料的较低电阻率而在其上积累电荷降低的倾向。