Nanoindentation surface analysis tool and method
    1.
    发明申请
    Nanoindentation surface analysis tool and method 失效
    纳米压痕表面分析工具和方法

    公开(公告)号:US20070193347A1

    公开(公告)日:2007-08-23

    申请号:US11358883

    申请日:2006-02-21

    IPC分类号: G01N19/02 B23Q17/09

    摘要: The present invention provides a novel method for determining the mechanical properties of the surfaces of materials including thin films. Generally, the method is comprised of laterally scanning the surface of the film with an array of cantilever tips varying temperature, load and time to obtain a measurement of mechanical properties, such as hardness and glass transition temperature. The method can be used to obtain mechanical properties of films that would otherwise be unobtainable using standard methods.

    摘要翻译: 本发明提供一种用于确定包括薄膜的材料的表面的机械性能的新方法。 通常,该方法包括用悬臂尖端阵列横向扫描薄膜的表面,该阵列具有温度,载荷和时间,从而获得诸如硬度和玻璃化转变温度的机械性能的测量。 该方法可以用于获得否则将使用标准方法无法获得的膜的机械性能。

    Dual-surface flexible magnetic tape
    2.
    发明申请
    Dual-surface flexible magnetic tape 审中-公开
    双面柔性磁带

    公开(公告)号:US20050074637A1

    公开(公告)日:2005-04-07

    申请号:US10995803

    申请日:2004-11-23

    申请人: Richard Bradshaw

    发明人: Richard Bradshaw

    摘要: A flexible magnetic-tape substrate is coated on both sides with an underlayer of relatively-low coercivity magnetic medium, which in turn is coated with a submicron layer of chromium dioxide in ultra small particles having a high coercivity. For longitudinal magnetic recording systems, magnetic layers with a coercivity of at least 1,500 Oe with underlayers having a coercivity between 25 and 500 Oe are used. For helical magnetic recording systems, magnetic layers with a coercivity of at least 2,000 Oe with underlayers having a coercivity between 25 and 800 Oe are used. These properties greatly reduce the effects of neighboring magnetic fields, thereby improving signal retention and virtually eliminating print-through and contact recording.

    摘要翻译: 柔性磁带基材在两侧涂覆有相对低矫顽力的磁性介质的底层,该介质又在具有高矫顽力的超小颗粒中被二氧化铬的亚微米层涂覆。 对于纵向磁记录系统,使用具有至少1500Oe的矫顽力的磁性层和具有25至500奥氏体矫顽力的底层。 对于螺旋磁记录系统,使用具有至少2,000Oe的矫顽力的磁性层,具有矫顽力为25至800奥的底层。 这些性能大大降低了相邻磁场的影响,从而提高了信号保持率,实际上消除了打印通过和接触记录。