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    Thermal compensation for head protrusion in a magnetic drive
    3.
    发明授权
    Thermal compensation for head protrusion in a magnetic drive 有权
    在磁力驱动器中头部突出的热补偿

    公开(公告)号：US06842308B1

    公开(公告)日：2005-01-11

    申请号：US09845619

    申请日：2001-04-30

    申请人： Ladislav R. Pust ,  Youping Mei ,  Sunita Gangopadhyay ,  Jumna P. Ramdular ,  Mallika Kamarajugadda

    发明人： Ladislav R. Pust ,  Youping Mei ,  Sunita Gangopadhyay ,  Jumna P. Ramdular ,  Mallika Kamarajugadda

    IPC分类号： G11B5/60

    CPC分类号： G11B5/6005 ,  G11B5/3136

    摘要： A head for a magnetic drive that includes a substrate with a thermal expansion rate CTE1. A transducer in the head has a bond to the substrate and has a transducer thermal expansion rate CTE2 that is greater than CTE1. A restraint layer in the substrate has a bond to one side of the transducer and has a first restraint layer thermal expansion rate CTE3 that is lower than CTE1. The restraint layer restrains protrusion of the transducer beyond the substrate at higher operating temperatures.

    摘要翻译： 一种用于磁驱动器的磁头，其包括具有热膨胀率CTE1的基板。 头部中的换能器具有与基底的结合，并且具有大于CTE1的换能器热膨胀率CTE2。 衬底中的约束层具有与换能器的一侧的结合，并且具有低于CTE1的第一约束层热膨胀率CTE3。 限制层在更高的工作温度下限制了换能器超出基板的突出。

    Domain control in shields of a magnetic transducer
    4.
    发明授权
    Domain control in shields of a magnetic transducer 有权
    磁传感器屏蔽中的域控制

    公开(公告)号：US06710982B2

    公开(公告)日：2004-03-23

    申请号：US09886601

    申请日：2001-06-21

    申请人： Anthony M. Mack ,  Ladislav R. Pust ,  Christopher J. Rea ,  Sunita Gangopadhyay ,  Patrick J. Ryan

    发明人： Anthony M. Mack ,  Ladislav R. Pust ,  Christopher J. Rea ,  Sunita Gangopadhyay ,  Patrick J. Ryan

    IPC分类号： G11B5127

    CPC分类号： G11B5/3903 ,  G11B5/11 ,  G11B5/3113 ,  G11B5/3967 ,  G11B2005/0016

    摘要： A read/write head includes a bottom shield and a shared shield. The shared shield includes a first domain and a plurality of closure domains. The read/write head also includes a magnetoresistive sensor deposited adjacent an air bearing surface between the bottom shield and the shared shield. The magnetoresistive sensor includes a magnetoresistor aligned with the first domain. Non-magnetic material separates the magnetoresistive sensor from the bottom shield and the shared shield. The shared shield includes a shaped feature that defines an unambiguous direction of magnetization for the first domain.

    摘要翻译： 读/写头包括底屏蔽和共享屏蔽。 共享屏蔽包括第一域和多个封闭域。 读/写头还包括与底屏蔽和共享屏蔽之间的空气支承表面相邻沉积的磁阻传感器。 磁阻传感器包括与第一域对准的磁阻。 非磁性材料将磁阻传感器与底部屏蔽和共享屏蔽分开。 共享屏蔽包括形状特征，其定义第一域的明确的磁化方向。