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    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

    Applicant: Xiaoding Ma ,  Michael Stirniman ,  Jing Gui

    Inventor： Xiaoding Ma ,  Michael Stirniman ,  Jing Gui

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

    CPC classification number: C23C14/12 ,  C23C14/022 ,  G11B5/8408

    Abstract: 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.

    Abstract translation: 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

    Applicant: Jing Gui ,  Michael Stirniman ,  Xiaoding Ma

    Inventor： Jing Gui ,  Michael Stirniman ,  Xiaoding Ma

    IPC: G11B572

    CPC classification number: G11B5/72 ,  Y10S427/103 ,  Y10T428/24942 ,  Y10T428/265 ,  Y10T428/30

    Abstract: 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.

    Abstract translation: 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

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

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

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

    CPC classification number: G11B5/84 ,  G11B5/656 ,  G11B5/722 ,  G11B5/725 ,  G11B5/7325 ,  G11B5/8408 ,  G11B5/851

    Abstract: 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.

    Abstract translation: 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

    Applicant: Jing Gui ,  Michael Stirniman ,  Xiaoding Ma

    Inventor： Jing Gui ,  Michael Stirniman ,  Xiaoding Ma

    IPC: G11B572

    CPC classification number: G11B5/72 ,  Y10S427/103 ,  Y10T428/24942 ,  Y10T428/265 ,  Y10T428/30

    Abstract: 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.

    Abstract translation: 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。

    Thickness gradient protective overcoat layers by filtered cathodic arc deposition
    6.
    发明申请
    Thickness gradient protective overcoat layers by filtered cathodic arc deposition 审中-公开
    通过过滤阴极电弧沉积法测定厚度梯度保护层

    公开(公告)号：US20050249983A1

    公开(公告)日：2005-11-10

    申请号：US10839255

    申请日：2004-05-06

    Applicant: Michael Stirniman ,  Xiaoding Ma

    Inventor： Michael Stirniman ,  Xiaoding Ma

    IPC: B05D3/14 ,  C23C14/04 ,  C23C14/06 ,  C23C14/32 ,  G11B5/72

    CPC classification number: C23C14/04 ,  C23C14/0605 ,  G11B5/72

    Abstract: A method of depositing a layer of a coating material (e.g., DLC protective overcoats of magnetic and magneto-optical recording media) on a surface of a substrate/workpiece, the layer including relatively thin and relatively thick regions defining a thickness gradient at a boundary therebetween, comprising steps of: (a) providing a filtered cathodic arc deposition (FCAD) process/treatment chamber comprising a FCAD source including means for providing a focused plasma beam containing ions of a coating material and means for scanning the plasma beam over a substrate/workpiece surface; (b) providing the process/treatment chamber with a substrate/workpiece including a surface for deposition thereon; and (c) forming on the surface a layer of coating material including the relatively thin and relatively thick regions defining the thickness gradient at the boundary therebetween by scanning the plasma beam over at least a portion of the surface.

    Abstract translation: 在衬底/工件的表面上沉积涂层材料层（例如，磁性和磁光记录介质的DLC保护性外涂层）的方法，该层包括在边界处限定厚度梯度的较薄且相对较厚的区域 其间包括以下步骤：（a）提供过滤的阴极电弧沉积（FCAD）处理/处理室，其包括FCAD源，该FCAD源包括用于提供包含涂料的离子的聚焦等离子体束的装置和用于在衬底上扫描等离子体束的装置 /工件表面; （b）向工艺/处理室提供包括用于在其上沉积的表面的基板/工件; 和（c）在表面上形成包括相对薄且相对较厚的区域的涂层材料层，其中通过在表面的至少一部分上扫描等离子体束来限定其边界处的厚度梯度。

    Oxygen plasma post-deposition treatment of magnetic recording media
    7.
    发明申请
    Oxygen plasma post-deposition treatment of magnetic recording media 有权
    磁记录介质的氧等离子体后沉积处理

    公开(公告)号：US20050100664A1

    公开(公告)日：2005-05-12

    申请号：US10704593

    申请日：2003-11-12

    Applicant: Chung-Hee Chang ,  Xiaoding Ma ,  Michael Stirniman ,  Jeffrey Reiter ,  Samuel Harkness ,  Rajiv Ranjan

    Inventor： Chung-Hee Chang ,  Xiaoding Ma ,  Michael Stirniman ,  Jeffrey Reiter ,  Samuel Harkness ,  Rajiv Ranjan

    IPC: B29C59/14 ,  G11B5/84 ,  B05D5/12 ,  B29C71/02

    CPC classification number: G11B5/84 ,  B29C59/14 ,  B29L2007/007 ,  B29L2017/008

    Abstract: A method of manufacturing magnetic recording media, comprising sequential steps of: (a) providing an apparatus for manufacturing the media; (b) supplying the apparatus with at least one substrate for the media; (c) forming a magnetic recording layer on the at least one substrate in a first portion of the apparatus, the magnetic recording layer including a surface; (d) treating the surface of the magnetic recording layer with an ionized oxygen-containing plasma in a second portion of the apparatus to form a plasma oxidized surface layer; and (e) forming a protective overcoat layer on the plasma oxidized surface layer of the magnetic recording layer in a third portion of the apparatus.

    Abstract translation: 一种制造磁记录介质的方法，包括以下步骤：（a）提供用于制造介质的装置; （b）向所述设备供应用于所述介质的至少一个基板; （c）在所述装置的第一部分中的所述至少一个基板上形成磁记录层，所述磁记录层包括表面; （d）在设备的第二部分中用离子化的含氧等离子体处理磁记录层的表面以形成等离子体氧化表面层; 和（e）在设备的第三部分中在磁记录层的等离子体氧化表面层上形成保护性外涂层。

    Dual-layer carbon-based protective overcoats for recording media by filtered cathodic ARC deposition
    8.
    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

    Applicant: Xiaoding Ma ,  Michael Stirniman ,  Jing Gui

    Inventor： Xiaoding Ma ,  Michael Stirniman ,  Jing Gui

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

    CPC classification number: G11B5/72 ,  C23C14/0605 ,  G11B5/8408 ,  Y10T428/24975 ,  Y10T428/24983 ,  Y10T428/24992

    Abstract: 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.

    Abstract translation: 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。

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