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71. 发明申请

US20080186636A1 TRANSDUCING HEAD INCLUDING A MAGNETIC ELEMENT EXHIBITING VARYING PERMEABILITY 失效
标题翻译：包括磁性元件在内的传输头，显示出变化的渗透性
公开(公告)号：US20080186636A1
公开(公告)日：2008-08-07
申请号：US12100761
申请日：2008-04-10
申请人： Nurul Amin , Yuming Zhou , Kaizhong Gao , Patrick J. Ryan , Steven Kalderon , Song S. Xue , Shaoping Li , Mark T. Kief
发明人： Nurul Amin , Yuming Zhou , Kaizhong Gao , Patrick J. Ryan , Steven Kalderon , Song S. Xue , Shaoping Li , Mark T. Kief
IPC分类号： G11B5/33
CPC分类号： G11B5/1274 , G11B5/1278
摘要： A transducing head has a main pole and at least one magnetic element (such as a return pole or a shield) which provides a potential return path for a magnetic field produced by the main pole. The magnetic element is spaced from the main pole. The magnetic element has a first edge closest to the main pole and a second edge furthest from the main pole. Permeability of the magnetic element increases from the first edge to the second edge.
摘要翻译：转换头具有主极和至少一个磁性元件（例如返回极或屏蔽），其提供由主极产生的磁场的潜在返回路径。磁性元件与主极间隔开。磁性元件具有最靠近主极的第一边缘和最远离主极的第二边缘。磁性元件的渗透性从第一边缘增加到第二边缘。

72. 发明授权

US07310202B2 Magnetic recording head with clad coil 有权
标题翻译：磁记录头与包线线圈
公开(公告)号：US07310202B2
公开(公告)日：2007-12-18
申请号：US10809245
申请日：2004-03-25
申请人： Mark T. Kief , Nurul Amin , Song S. Xue
发明人： Mark T. Kief , Nurul Amin , Song S. Xue
IPC分类号： G11B5/17
CPC分类号： G11B5/1272 , G11B5/17
摘要： A magnetic write head for recording data having reduced erasure caused by a magnetic field is disclosed. The magnetic write head include a main pole and a conductive coil positioned adjacent the main pole. The conductive coil is insulated from the main pole. The magnetic write head includes means for directing a magnetic field produced by the conductive coil toward the main pole.
摘要翻译：公开了一种用于记录由磁场引起的擦除减少的数据的磁写头。磁写头包括主极和邻近主极定位的导电线圈。导电线圈与主极绝缘。磁写头包括用于将由导电线圈产生的磁场引向主极的装置。

73. 发明授权

US07298587B2 Rounded top pole 有权
标题翻译：圆顶顶
公开(公告)号：US07298587B2
公开(公告)日：2007-11-20
申请号：US10309682
申请日：2002-12-04
申请人： Taras G. Pokhil , Ned Tabat , Martin L. Plumer , Steven P. Bozeman , Nurul Amin
发明人： Taras G. Pokhil , Ned Tabat , Martin L. Plumer , Steven P. Bozeman , Nurul Amin
IPC分类号： G11B5/147
CPC分类号： B82Y25/00 , B82Y10/00 , G11B5/3113 , G11B5/3116 , G11B5/332 , G11B5/3967 , G11B2005/3996
摘要： A magnetic recording head having an air bearing surface for confronting a surface of a rotating disc and comprising a pole tip and a generally rounded and substantially planar body attached to the pole tip is disclosed. The width of the pole tip defines a track width of data written to the rotating disc. The generally rounded shape of the top pole body is such that top pole magnetization gradually changes its direction and follows the edges of the body. Further, the pole tip has low remanence, gradual spin structure and no domain walls formed near the pole tip.
摘要翻译：公开了一种磁记录头，其具有用于面对旋转盘的表面的空气轴承表面，并且包括极尖和连接到极尖的大致圆形且基本上平坦的主体。极尖的宽度限定写入旋转盘的数据的轨迹宽度。顶极体的大致圆形形状使得顶极磁化逐渐改变其方向并跟随身体的边缘。此外，极尖具有低的剩磁，逐渐的自旋结构，并且在极尖附近没有形成畴壁。

74. 发明申请

US20070025013A1 Shielded enclosure of a disc drive for reducing penetration and influence of stray fields 失效
标题翻译：用于减少杂散场的穿透和影响的磁盘驱动器的屏蔽外壳
公开(公告)号：US20070025013A1
公开(公告)日：2007-02-01
申请号：US11190739
申请日：2005-07-27
申请人： Shaoping Li , Daniel Brown , Michael Montemorra , Nurul Amin
发明人： Shaoping Li , Daniel Brown , Michael Montemorra , Nurul Amin
IPC分类号： G11B17/00
CPC分类号： G11B25/043 , G11B5/102 , G11B33/1493
摘要： The present invention includes a data storage system. The data storage system includes an enclosure and at least one perpendicular recording device positioned within the enclosure and in communication with a recording medium. The recording medium includes a layer of magnetic material that has a permeability that is substantially similar to a permeability of a magnetic material in the recording device. The data storage system also includes a soft magnetic material included in the enclosure for shielding magnetic stray fields from the perpendicular recording device. The soft magnetic material has a permeability that is at least as great as approximately the permeability of the layer of magnetic material of the recording medium.
摘要翻译：本发明包括数据存储系统。数据存储系统包括外壳和位于外壳内并与记录介质通信的至少一个垂直记录装置。记录介质包括具有与记录装置中的磁性材料的磁导率基本相似的磁导率的磁性材料层。数据存储系统还包括用于屏蔽来自垂直记录装置的磁性杂散场的外壳中的软磁材料。软磁性材料的磁导率至少与记录介质的磁性材料层的磁导率大致相同。

75. 发明申请

US20060002020A1 Recording head for reducing side track erasure 有权
公开(公告)号：US20060002020A1
公开(公告)日：2006-01-05
申请号：US10881015
申请日：2004-06-30
申请人： Taras Pokhil , Nurul Amin , Steven Bozeman , Steven Kalderon , Andrzej Stankiewicz , Ned Tabat , Pu-Ling Lu , Johannes Van Ek , Janusz Nowak , Patrick Ryan
发明人： Taras Pokhil , Nurul Amin , Steven Bozeman , Steven Kalderon , Andrzej Stankiewicz , Ned Tabat , Pu-Ling Lu , Johannes Van Ek , Janusz Nowak , Patrick Ryan
IPC分类号： G11B5/147
CPC分类号： G11B5/17 , G11B5/1272 , G11B5/3116 , G11B5/3123 , G11B5/3133
摘要： The present invention relates to a head having an air bearing surface for confronting the surface of a storage medium. The head includes a first pole that is spaced apart from a second pole. At least one non-magnetic spacer is positioned between the first pole and the second pole such that the first pole is magnetically decoupled from the second pole. In a further aspect, one or both of the first pole and the second pole can be elliptical in shape.

76. 发明授权

US06788496B2 Narrow top pole of a write element 有权
标题翻译：写元件的窄顶极
公开(公告)号：US06788496B2
公开(公告)日：2004-09-07
申请号：US09934816
申请日：2001-08-22
申请人： Charles H. Tolman , Nurul Amin
发明人： Charles H. Tolman , Nurul Amin
IPC分类号： G11B5147
CPC分类号： G11B5/3163 , G11B5/3116
摘要： In a method of manufacturing a top pole of a write element for use in a disc drive storage system, a first trench is formed on a top surface of a bottom pole, the first trench includes a first opening defined by opposing first side walls and an exposed portion of the top surface located therebetween. Next, a second trench is formed within the first trench. The second trench includes a second opening defined by opposing second side walls formed adjacent the first side walls and a gap member formed on the exposed portion of the top surface of the bottom pole between the second side walls. Finally, a top pole is formed in the second opening, which is narrower than the first opening.
摘要翻译：在制造用于盘驱动存储系统的写元件的顶极的方法中，第一沟槽形成在底极的顶表面上，第一沟槽包括由相对的第一侧壁限定的第一开口和顶表面的暴露部分位于它们之间。接下来，在第一沟槽内形成第二沟槽。第二沟槽包括由邻近第一侧壁形成的相对的第二侧壁限定的第二开口和形成在第二侧壁之间的底极顶表面的暴露部分上的间隙构件。最后，在比第一开口窄的第二开口中形成顶极。

77. 发明授权

US06521335B1 Method of fabricating a submicron narrow writer pole 失效
标题翻译：制造亚微米窄写入极的方法
公开(公告)号：US06521335B1
公开(公告)日：2003-02-18
申请号：US09260452
申请日：1999-03-02
申请人： Nurul Amin , James Giusti , Charles Joseph Olson , Paul Allen Jallen
发明人： Nurul Amin , James Giusti , Charles Joseph Olson , Paul Allen Jallen
IPC分类号： G11B531
CPC分类号： B82Y25/00 , B82Y10/00 , G11B5/3116 , G11B5/3163 , G11B5/3967 , G11B2005/3996 , Y10T428/1186 , Y10T428/265
摘要： A writer pole and a method for fabricating a writer pole is disclosed. The method comprises fabricating a conductive seed layer on a gap substrate and then fabricating a nonmagnetic feature on the seed layer where the nonmagnetic feature has a top layer and a plurality of sides. The seed layer and nonmagnetic feature are covered with photoresist. A window is fabricated in the photoresist, exposing a portion of the nonmagnetic feature and a portion of the seed layer, thereby exposing a top portion and a side portion of the nonmagnetic feature and exposing a portion of the seed layer. The portion of the seed layer in the window area is removed from the gap substrate. A pole is fabricated on the top and side portions of the nonmagnetic feature in the window area.
摘要翻译：公开了一种写杆和一种制作刀杆的方法。该方法包括在间隙衬底上制造导电种子层，然后在种子层上制造非磁性特征，其中非磁性特征具有顶层和多个侧面。种子层和非磁性特征被光致抗蚀剂覆盖。在光致抗蚀剂中制造窗口，暴露非磁性特征的一部分和种子层的一部分，从而暴露非磁性特征的顶部和侧部并暴露种子层的一部分。将窗口区域中的种子层的部分从间隙衬底移除。在窗口区域中的非磁性特征的顶部和侧部上制造极。

78. 发明授权

US5373624A Leading edge undershoot elimination in thin film heads 失效
标题翻译：薄膜头中的前沿下冲消除
公开(公告)号：US5373624A
公开(公告)日：1994-12-20
申请号：US960791
申请日：1992-10-14
申请人： Ying D. Yan , John Bortins , Beat G. Keel , Nurul Amin
发明人： Ying D. Yan , John Bortins , Beat G. Keel , Nurul Amin
IPC分类号： G11B5/31 , G11B5/42
CPC分类号： G11B5/3143 , Y10T29/49032
摘要： A thin film magnetic read/write head deposited upon a non-magnetic substrate reduces leading edge undershoots in readback pulse signal. A magnetic layer is deposited between the thin film magnetic read/write head and the non-magnetic substrate. Undershoots are reduced by making the leading edge of the thin film head less sensitive to the magnetization transitions in a magnetic storage medium.
摘要翻译：沉积在非磁性衬底上的薄膜磁读/写头减少了回读脉冲信号中的前沿下冲。磁性层沉积在薄膜磁读/写头和非磁性基片之间。通过使薄膜头的前缘对磁存储介质中的磁化转变较不敏感来减少下冲。

79. 发明授权

US5200056A Method for aligning pole tips in a thin film head 失效
标题翻译：用于在薄膜头中对准极尖的方法
公开(公告)号：US5200056A
公开(公告)日：1993-04-06
申请号：US832431
申请日：1992-02-07
申请人： Uri Cohen , Nurul Amin
发明人： Uri Cohen , Nurul Amin
IPC分类号： G11B5/31
CPC分类号： G11B5/3163 , G11B5/3166 , Y10T29/49046
摘要： A thin film magnetic read/write head is manufactured using a multi-layered sacrificial mask in a pole tip alignment process. The sacrificial mask includes a layer of metal deposited upon the magnetic upper pole tip. Subsequent sacrificial mask layers include nickel-iron alloy or photoresist. Following an ion milling alignment process, residual sacrificial mask layers are removed using a process in which the medal layer is selectively chemically etched away from the thin film magnetic head.
摘要翻译：在极尖对准过程中使用多层牺牲掩模制造薄膜磁读/写头。牺牲掩模包括沉积在磁上极端上的金属层。随后的牺牲掩模层包括镍 - 铁合金或光致抗蚀剂。在离子铣削对准过程之后，使用其中勋章层被选择性地化学蚀刻离开薄膜磁头的工艺来去除残余牺牲掩模层。

80. 发明授权

US5084957A Method for aligning thin film head pole tips 失效
标题翻译：薄膜头极尖对齐方法
公开(公告)号：US5084957A
公开(公告)日：1992-02-04
申请号：US609921
申请日：1990-11-06
申请人： Nurul Amin , John Bortins , Beat G. Keel , Ying D. Yan
发明人： Nurul Amin , John Bortins , Beat G. Keel , Ying D. Yan
IPC分类号： G11B5/127 , G11B5/31
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/3163 , Y10T29/49044 , Y10T29/49064
摘要： A thin film magnetic read/write head is manufactured using Al.sub.2 O.sub.3 dams. The Al.sub.2 O.sub.3 dams are formed using a sacrificial layer which is deposited upon a bottom pole layer. An Al.sub.2 O.sub.3 layer is deposited over the sacrificial layer. When the sacrificial layer is removed, the Al.sub.2 O.sub.3 layer forms dams between which a top pole piece is deposited. The sacrificial layer is removed using lapping and a selected chemical etch; partial lapping or chemical etch followed by chemical etch of the sacrificial layer which lifts-off overlying Al.sub.2 O.sub.3 ; depositing photoresist dams and chemically etching the encapsulation layer and the sacrificial layer; or removal through physical or thermal shock of the Al.sub.2 O.sub.3 layer sputtered at zero bias followed by a selective chemical etch of the sacrificial layer.
摘要翻译：使用Al2O3坝制造薄膜磁读/写头。使用沉积在底极层上的牺牲层来形成Al 2 O 3坝。在牺牲层上沉积Al 2 O 3层。当牺牲层被去除时，Al 2 O 3层形成在其上沉积顶极片之间的堤坝。使用研磨和选择的化学蚀刻去除牺牲层; 部分研磨或化学蚀刻，然后是上覆Al2O3的牺牲层的化学蚀刻; 沉积光刻胶坝并化学蚀刻封装层和牺牲层; 或通过在零偏压下溅射的Al 2 O 3层的物理或热冲击进行去除，随后对牺牲层进行选择性化学蚀刻。

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