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20 条记录 (耗时 0.021 秒)

    Silicon coating on air bearing surface for magnetic thin film heads
    15.
    发明授权
    Silicon coating on air bearing surface for magnetic thin film heads 失效
    用于磁性薄膜头的空气轴承表面上的硅涂层

    公开(公告)号：US06532134B1

    公开(公告)日：2003-03-11

    申请号：US08686567

    申请日：1996-07-26

    申请人： Pei C. Chen ,  Grace Lim Gorman ,  Cherngye Hwang ,  Vedantham Raman ,  Randall George Simmons

    发明人： Pei C. Chen ,  Grace Lim Gorman ,  Cherngye Hwang ,  Vedantham Raman ,  Randall George Simmons

    IPC分类号： G11B560

    CPC分类号： G11B5/3106 ,  G11B5/255 ,  G11B5/40 ,  G11B5/6082

    摘要： A silicon coating on an air bearing surface for magnetic thin film heads. A thick silicon layer is provided to replace metallic layers such as TiW as an overcoat for thin film heads. The silicon layer will provide a durable head-disk interface and act as a reflective surface for fly height measurement. The silicon layer can be planarized with the pole tips to avoid any magnetic spacing loss. The thickness of the silicon coating is preferably between 125 and 6500 angstroms thick. The slider body may be fabricated from silicon such that the silicon coating is substantially identical to the silicon slider body, thereby preventing thermal mismatch therebetween. The silicon coating is preferably applied using a magnetron sputtering technique which provides a high rate of deposition of silicon to form a dense, low stress silicon layer.

    摘要翻译： 用于磁性薄膜头的空气轴承表面上的硅涂层。 提供厚硅层以代替诸如TiW的金属层作为薄膜头的外涂层。 硅层将提供耐用的头盘接口，并作为飞高测量的反射表面。 硅层可以用极尖平面化，以避免任何磁间隙损失。 硅涂层的厚度优选为125至6500埃厚。 滑块体可以由硅制成，使得硅涂层基本上与硅滑块体相同，从而防止硅片之间的热失配。 硅涂层优选使用磁控溅射技术来施加，其提供硅的高沉积速率以形成致密的低应力硅层。

    Carbon overcoat for a slider with improved step coverage
    16.
    发明授权
    Carbon overcoat for a slider with improved step coverage 失效
    用于滑块的碳涂层，具有改进的台阶覆盖

    公开(公告)号：US5943187A

    公开(公告)日：1999-08-24

    申请号：US878976

    申请日：1997-06-18

    申请人： Pei C. Chen ,  Cherngye Hwang ,  Vedantham Raman ,  Jila Tabib

    发明人： Pei C. Chen ,  Cherngye Hwang ,  Vedantham Raman ,  Jila Tabib

    IPC分类号： G11B5/10 ,  G11B5/255 ,  G11B5/31 ,  G11B5/39 ,  G11B5/60 ,  G11B5/72 ,  G11B5/82 ,  G11B5/84

    CPC分类号： G11B5/6005 ,  G11B5/10 ,  G11B5/255 ,  G11B5/3106 ,  G11B5/3967 ,  G11B5/72 ,  G11B5/82 ,  G11B5/8408

    摘要： A method is provided for applying an overcoat to a slider and sensitive elements of a magnetic head which has improved coverage, reduced spacing loss and improved corrosion resistance. After lapping, an overcoat material is sputter deposited on the air bearing surface (ABS) of the slider, followed by a step of sputter etching the overcoat. The sputter etching redeposits material from high points on the slider and fills in trenches formed during the lapping process. The redeposition of the overcoat from the high places to the low places of the slider decreases the overall thickness of the overcoat, thereby decreasing spacing loss. The filling of the trenches implements increased coverage which increases wear resistance of the slider and more adequately protects the sensitive elements of the magnetic head from corrosion. In a preferred embodiment, a portion of the overcoat is left on the high places to ensure that the sputter etching does not damage the sensitive elements of the magnetic head. If the overcoat is completely etched from the high places an optional second overcoat may be applied which is thinner than the first overcoat. This method may also be applied to other articles such as a magnetic disk.

    摘要翻译： 提供了一种将外涂层施加到滑块和磁头的敏感元件的方法，其具有改进的覆盖范围，减小的间隔损耗和改善的耐腐蚀性。 研磨后，将外涂层材料溅射沉积在滑块的空气轴承表面（ABS）上，随后溅射蚀刻外涂层。 溅射蚀刻从滑块上的高点重新沉积材料，并填充研磨过程中形成的沟槽。 外涂层从滑块的高处重新沉积到滑块的低处降低了外涂层的总厚度，从而减小了间隔损耗。 沟槽的填充实现增加的覆盖，增加滑块的耐磨性，并更充分地保护磁头的敏感元件不被腐蚀。 在优选实施例中，外涂层的一部分留在高处，以确保溅射蚀刻不会损坏磁头的敏感元件。 如果外涂层从高处完全蚀刻，则可以施加比第一外涂层更薄的任选的第二外涂层。 该方法也可以应用于诸如磁盘的其它物品。

    Leak detection system of hard disk drives with lubricant reservoir
    19.
    发明授权
    Leak detection system of hard disk drives with lubricant reservoir 失效
    具有润滑油箱的硬盘驱动器泄漏检测系统

    公开(公告)号：US06958876B2

    公开(公告)日：2005-10-25

    申请号：US09916854

    申请日：2001-07-27

    申请人： Norbert A. Feliss ,  Donald R. Gillis ,  Thomas A. Gregory ,  Sylvia Lui Lee ,  Vedantham Raman

    发明人： Norbert A. Feliss ,  Donald R. Gillis ,  Thomas A. Gregory ,  Sylvia Lui Lee ,  Vedantham Raman

    IPC分类号： G11B25/04 ,  G11B33/14 ,  G11B15/18

    CPC分类号： G11B33/148 ,  G11B25/043

    摘要： A method for detecting leakage from a disk drive enclosure includes providing a lubricating composition having a lubricating material and a tag material therein. The tag material has a volatility characteristic that is amenable to analysis. The method includes measuring a concentration of the tag material in the vapor phase. By measuring a concentration of the tag material, a leak rate of the lubricating material can be determined. The lubricating composition may include a perfluoropolyether lubricating material and a halogenated sulfur tag material such as SF6 and/or S2F10.

    摘要翻译： 一种用于检测来自盘驱动器外壳的泄漏的方法，包括提供其中具有润滑材料和标签材料的润滑组合物。 标签材料具有易于分析的挥发性特征。 该方法包括测量气相中标签材料的浓度。 通过测量标签材料的浓度，可以确定润滑材料的泄漏率。 润滑组合物可以包括全氟聚醚润滑材料和卤化硫标签材料，例如SF 6和/或S 2 F 10。

    Silicon coating on air bearing surface for magnetic thin film heads
    20.
    发明授权
    Silicon coating on air bearing surface for magnetic thin film heads 失效
    用于磁性薄膜头的空气轴承表面上的硅涂层

    公开(公告)号：US6117283A

    公开(公告)日：2000-09-12

    申请号：US759479

    申请日：1996-12-05

    申请人： Pei C. Chen ,  Grace Lim Gorman ,  Cherngye Hwang ,  Vedantham Raman ,  Randall George Simmons

    发明人： Pei C. Chen ,  Grace Lim Gorman ,  Cherngye Hwang ,  Vedantham Raman ,  Randall George Simmons

    IPC分类号： G11B5/31 ,  C23C14/34 ,  C23C16/00 ,  G11B5/255 ,  G11B5/60 ,  G11B5/71 ,  G11B17/32 ,  G11B21/21

    CPC分类号： G11B5/3106 ,  G11B5/255 ,  G11B5/40 ,  G11B5/6082

    摘要： A silicon coating on an air bearing surface for magnetic thin film heads. A thick silicon layer is provided to replace metallic layers such as TiW as an overcoat for thin film heads. The silicon layer will provide a durable head-disk interface and act as a reflective surface for fly height measurement. The silicon layer can be planarized with the pole tips to avoid any magnetic spacing loss. The thickness of the silicon coating is preferably between 125 and 6500 Angstroms thick. The slider body may be fabricated from silicon such that the silicon coating is substantially identical to the silicon slider body, thereby preventing thermal mismatch therebetween. The silicon coating is preferably applied using a magnetron sputtering technique which provides a high rate of deposition of silicon to form a dense, low stress silicon layer.

    摘要翻译： 用于磁性薄膜头的空气轴承表面上的硅涂层。 提供厚硅层以代替诸如TiW的金属层作为薄膜头的外涂层。 硅层将提供耐用的头盘接口，并作为飞高测量的反射表面。 硅层可以用极尖平面化，以避免任何磁间隙损失。 硅涂层的厚度优选为125至6500埃厚。 滑块体可以由硅制成，使得硅涂层基本上与硅滑块体相同，从而防止硅片之间的热失配。 硅涂层优选使用磁控溅射技术来施加，其提供硅的高沉积速率以形成致密的低应力硅层。