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    Magnetic write head having a self aligned, steep shoulder pole structure and method of manufacture thereof
    3.
    发明授权
    Magnetic write head having a self aligned, steep shoulder pole structure and method of manufacture thereof 失效
    具有自对准陡肩极结构的磁写头及其制造方法

    公开(公告)号：US07612964B2

    公开(公告)日：2009-11-03

    申请号：US11228783

    申请日：2005-09-15

    申请人： Daniel Wayne Bedell ,  Hieu Lam ,  Kim Y. Lee ,  Jyh-Shuey Lo

    发明人： Daniel Wayne Bedell ,  Hieu Lam ,  Kim Y. Lee ,  Jyh-Shuey Lo

    IPC分类号： G11B5/187

    CPC分类号： G11B5/3116 ,  G11B5/3163

    摘要： A magnetic write head and method of manufacture thereof that has a first pole structure having a notched structure configured with a steep shoulder portion and a narrow vertical notch portion extending from the top of the steep shoulder portion. The write head also includes a second pole structure (P2) that has a very narrow width (track width) and that is self aligned with the narrow vertical notch structure of the first pole structure. The write head provides excellent magnetic properties including a very narrow track width and minimal side writing, while avoiding magnetic saturation of the poles.

    摘要翻译： 一种磁写头及其制造方法，其具有第一极结构，其具有构造为具有陡峭肩部的切口结构和从陡峭肩部的顶部延伸的窄垂直切口部。 写头还包括具有非常窄的宽度（轨道宽度）并且与第一极结构的窄垂直切口结构自对准的第二极结构（P2）。 写头提供优异的磁性，包括非常窄的轨道宽度和最小的侧面写入，同时避免极点的磁饱和。

    Magnetic write head having a self aligned, steep shoulder pole structure and method of manufacture thereof
    6.
    发明申请
    Magnetic write head having a self aligned, steep shoulder pole structure and method of manufacture thereof 失效
    具有自对准陡肩极结构的磁写头及其制造方法

    公开(公告)号：US20070058293A1

    公开(公告)日：2007-03-15

    申请号：US11228783

    申请日：2005-09-15

    申请人： Daniel Bedell ,  Hieu Lam ,  Kim Lee ,  Jyh-Shuey Lo

    发明人： Daniel Bedell ,  Hieu Lam ,  Kim Lee ,  Jyh-Shuey Lo

    IPC分类号： G11B5/147

    CPC分类号： G11B5/3116 ,  G11B5/3163

    摘要： A magnetic write head and method of manufacture thereof that has a first pole structure having a notched structure configured with a steep shoulder portion and a narrow vertical notch portion extending from the top of the steep shoulder portion. The write head also includes a second pole structure (P2) that has a very narrow width (track width) and that is self aligned with the narrow vertical notch structure of the first pole structure. The write head provides excellent magnetic properties including a very narrow track width and minimal side writing, while avoiding magnetic saturation of the poles.

    摘要翻译： 一种磁写头及其制造方法，其具有第一极结构，其具有构造为具有陡峭肩部的切口结构和从陡峭肩部的顶部延伸的窄垂直切口部。 写头还包括具有非常窄的宽度（轨道宽度）并且与第一极结构的窄垂直切口结构自对准的第二极结构（P 2）。 写头提供优异的磁性，包括非常窄的轨道宽度和最小的侧面写入，同时避免极点的磁饱和。

    P1 write pole with shoulder formation and method of fabrication
    7.
    发明申请
    P1 write pole with shoulder formation and method of fabrication 失效
    P1写杆与肩部形成和制造方法

    公开(公告)号：US20060171069A1

    公开(公告)日：2006-08-03

    申请号：US11046740

    申请日：2005-01-31

    申请人： Daniel Bedell ,  Hung-Chin Guthrie ,  Ming Jiang ,  Hieu Lam ,  Jyh-Shuey Lo ,  Edward Lee ,  Aron Pentek

    发明人： Daniel Bedell ,  Hung-Chin Guthrie ,  Ming Jiang ,  Hieu Lam ,  Jyh-Shuey Lo ,  Edward Lee ,  Aron Pentek

    IPC分类号： G11B5/147

    CPC分类号： G11B5/1871 ,  G11B5/3116

    摘要： A magnetic disk drive head is disclosed including a write head, which includes a P1 layer having a pedestal portion, a gap layer formed on the P1 layer, and a P2 layer formed on the gap layer. The P1 layer includes a shoulder formation having a neck portion and a beveled portion. Also disclosed is a disk drive having a write head with a P1 layer with shoulder formation, and a method for fabricating a write pole for a magnetic recording head having a P1 layer with shoulder formation.

    摘要翻译： 公开了一种包括写头的磁盘驱动器头，该写头包括具有基座部分的P 1层，在P 1层上形成的间隙层和形成在间隙层上的P 2层。 P 1层包括具有颈部和斜面部分的肩部结构。 还公开了一种具有具有肩部形成的P 1层的写入头的磁盘驱动器，以及用于制造具有具有肩部形成的P 1层的磁性记录头的写入磁极的方法。

    Methods of making magnetic write heads with use of a resist channel shrinking solution having corrosion inhibitors
    9.
    发明申请
    Methods of making magnetic write heads with use of a resist channel shrinking solution having corrosion inhibitors 审中-公开
    使用具有腐蚀抑制剂的抗蚀剂通道收缩溶液制造磁性写入头的方法

    公开(公告)号：US20060096081A1

    公开(公告)日：2006-05-11

    申请号：US11312064

    申请日：2005-12-19

    申请人： Christian Bonhote ,  Jila Tabib ,  Dennis McKean ,  Daniel Bedell ,  Jyh-Shuey Lo ,  Hieu Lam ,  Kim Lee

    发明人： Christian Bonhote ,  Jila Tabib ,  Dennis McKean ,  Daniel Bedell ,  Jyh-Shuey Lo ,  Hieu Lam ,  Kim Lee

    IPC分类号： G11B5/127 ,  H04R31/00

    CPC分类号： G11B5/3116 ,  G11B5/3163 ,  Y10T29/49032 ,  Y10T29/49039 ,  Y10T29/49043 ,  Y10T29/49044 ,  Y10T29/49048 ,  Y10T29/49052

    摘要： One preferred method for use in making a magnetic write head with use of the resist channel shrinking solution includes the steps of forming a first pole piece layer of a first pole piece; forming a gap layer over the first pole piece layer; forming a patterned resist over the first pole piece layer and the gap layer; electroplating a first pedestal portion of a second pole piece over the gap layer within a channel of the patterned resist; forming an oxide layer over the first pedestal portion; applying the resist channel shrinking solution comprising the resist channel shrinking film and the corrosion inhibitors over the patterned resist; baking the resist channel shrinking solution over the patterned resist to thereby reduce a width of the channel; removing the resist channel shrinking solution; electroplating a second pedestal portion of the second pole piece within the reduced-width channel of the patterned resist; removing the patterned resist; and milling the structure. Advantageously, the oxide layer and the corrosion inhibitors of the resist channel shrinking solution reduce corrosion in the pole piece during the act of baking the resist channel shrinking solution.

    摘要翻译： 使用抗蚀剂通道收缩溶液制造磁性写入头的一种优选方法包括以下步骤：形成第一极片的第一极片层; 在所述第一极片层上形成间隙层; 在所述第一极片层和所述间隙层上形成图案化的抗蚀剂; 在图案化的抗蚀剂的通道内的间隙层上电镀第二极片的第一基座部分; 在所述第一基座部分上形成氧化物层; 在图案化的抗蚀剂上施加包含抗蚀剂通道收缩膜和腐蚀抑制剂的抗蚀剂通道收缩溶液; 在图案化的抗蚀剂上烘烤抗蚀剂通道收缩溶液，从而减小通道的宽度; 去除抗蚀剂通道收缩溶液; 在所述图案化抗蚀剂的所述减小宽度的通道内电镀所述第二极靴的第二基座部分; 去除图案化的抗蚀剂; 并研磨结构。 有利地，抗蚀剂通道收缩溶液的氧化物层和腐蚀抑制剂在烘烤抗蚀剂通道收缩溶液的作用期间减少极片中的腐蚀。

    Magnetic sensor with extended free layer and overlaid leads
    10.
    发明授权
    Magnetic sensor with extended free layer and overlaid leads 有权
    具有扩展自由层和重叠导线的磁性传感器

    公开(公告)号：US07652855B2

    公开(公告)日：2010-01-26

    申请号：US11595186

    申请日：2006-11-09

    申请人： James Mac Freitag ,  David Eugene Heim ,  Kuok San Ho ,  Wipul Pemsiri Jayasekara ,  Kim Y. Lee ,  Tsann Lin ,  Jyh-Shuey Lo ,  Mustafa Michael Pinarbasi ,  Ching Hwa Tsang

    发明人： James Mac Freitag ,  David Eugene Heim ,  Kuok San Ho ,  Wipul Pemsiri Jayasekara ,  Kim Y. Lee ,  Tsann Lin ,  Jyh-Shuey Lo ,  Mustafa Michael Pinarbasi ,  Ching Hwa Tsang

    IPC分类号： G11B5/39

    CPC分类号： G11B5/3932 ,  B82Y10/00 ,  B82Y25/00 ,  G11B2005/3996

    摘要： A lead overlay design of a magnetic sensor is described with sensor and free layer dimensions such that the free layer is stabilized by the large demagnetization field due to the shape anisotropy. In one embodiment the giant magnetoresistive (GMR) effect under the leads is destroyed by removing the antiferromagnetic (AFM) and pinned layers above the free layer. The overlaid lead pads are deposited on the exposed spacer layer at the sides of the mask that defines the active region. In other embodiment a layer of electrically insulating material is deposited over the sensor to encapsulate it and thereby insulate it from contact with the hardbias structures. Various embodiments with self-aligned leads are also described. In a variation of the encapsulation embodiment, the insulating material is also deposited under the lead pads so the electrical current is channeled through the active region of the sensor and sidewall deposited lead pads.

    摘要翻译： 用传感器和自由层尺寸描述磁传感器的引线覆盖设计，使得由于形状各向异性，自由层由大的退磁场稳定。 在一个实施例中，引线下的巨磁阻（GMR）效应通过去除自由层上方的反铁磁（AFM）和固定层而被破坏。 覆盖的引线焊盘沉积在限定有源区的掩模侧面上的暴露间隔层上。 在另一个实施例中，电绝缘材料层沉积在传感器上以将其封装并由此使其与硬质合金结构的接触绝缘。 还描述了具有自对准引线的各种实施例。 在封装实施例的变型中，绝缘材料也沉积在引线焊盘下方，使得电流通过传感器的有源区域和侧壁沉积的引线焊盘。