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31. 发明授权

US07511921B2 Read and write heads with at least a portion of the coil positioned about the write pole opposite the read transducer to reduce adjacent track erasure 有权
标题翻译：读写磁头，线圈的至少一部分位于与读取传感器相对的写入磁极周围，以减少相邻的磁道擦除
公开(公告)号：US07511921B2
公开(公告)日：2009-03-31
申请号：US11838364
申请日：2007-08-14
申请人： Michael Mallary , Mourad Benakli
发明人： Michael Mallary , Mourad Benakli
IPC分类号： G11B5/17
CPC分类号： G11B5/3123 , G11B5/1278 , G11B5/17 , G11B5/1871 , G11B5/3116
摘要： Techniques for reducing adjacent track erasure include: a bucking coil having a lower number of turns than the write coil for bucking out a portion of the field induced by the write coil; a hybrid solenoid coil that includes turns that are in a pancake arrangement and turns that are in a solenoid arrangement; a P2 write pole tip with an increasing amount of flare as the distance from the ABS increases; a notch along an edge of the ABS surface of the P1 write pole adjacent to a tooth that extends closest to the P2 write pole; a back notch adjacent to the tooth on the P1 write pole that has a width generally corresponding to the width of the tooth; and a layered structure on the pole tip of the P1 write pole adjacent to the tooth, the layers having at least one of decreasing amounts of saturation magnetization, decreasing amounts of permeability, or alternating layers of magnetic and nonmagnetic material, where the width of the magnetic and nonmagnetic layers is controlled or the characteristics of the magnetic layers are controlled with regard to saturation magnetization or magnetic permeability to effectively decrease the overall saturation magnetization or permeability.
摘要翻译：用于减少相邻轨迹擦除的技术包括：具有比写入线圈少的匝数的降压线圈，用于抵消由写入线圈引起的场的一部分; 一种混合电磁线圈，其包括处于螺旋排列的薄煎饼布置和转动的匝; 随着距离ABS的距离增加，P2写入磁极尖随着扩张量的增加而增加; 沿着P1写入极的ABS表面的边缘的切口，其与最接近P2写入极的齿相邻; 与P1写入极上的齿相邻的后槽，其宽度通常对应于齿的宽度; 以及在邻近牙齿的P1写入极的极尖上的分层结构，这些层具有减小量的饱和磁化强度，降低的磁导率或磁性和非磁性材料的交替层中的至少一种，其中，控制磁性和非磁性层，或者磁饱和磁化强度或磁导率控制磁性层的特性，以有效降低整体饱和磁化强度或磁导率。

32. 发明授权

US07428776B2 Method of manufacturing a magnetic head 失效
标题翻译：制造磁头的方法
公开(公告)号：US07428776B2
公开(公告)日：2008-09-30
申请号：US10737566
申请日：2003-12-16
申请人： Teruo Inaguma
发明人： Teruo Inaguma
IPC分类号： G11B5/17 , H05K3/06
CPC分类号： H01F5/003 , G11B5/127 , G11B5/17 , G11B5/3103 , G11B5/313 , H01F17/0006 , H01F41/042 , Y10T29/49041 , Y10T29/4906 , Y10T29/49062 , Y10T29/49073 , Y10T29/49155 , Y10T29/49156
摘要： A method of manufacturing a thin-film coil in which a first coil and a second coil each having a desired number of winding are electrically connected in series and the second coil is formed between winding portions of the first coil on substantially the same plane, comprising: forming the first coil having a predetermined number of windings via a first insulating film; forming a second insulating film on a surface of the first coil and between the winding portions of the first coil; forming an underlying conductive film on the second insulating film, and treating the underlying conductive film so as to leave only the bottom portions of the underlying conducting film between the winding portions of the first coil; and growing deposition originating from a remaing portion of the underlying conductive film on the bottom portions of the underlying conducting film between the winding portions of the first coil so as to form the second coil.
摘要翻译：一种制造薄膜线圈的方法，其中具有期望数量的绕组的第一线圈和第二线圈串联地电连接，并且第二线圈形成在基本上在同一平面上的第一线圈的绕组部分之间，包括：经由第一绝缘膜形成具有预定数量的绕组的第一线圈; 在所述第一线圈的表面和所述第一线圈的绕组部之间形成第二绝缘膜; 在第二绝缘膜上形成下面的导电膜，并处理下面的导电膜，以便仅使底层导电膜的底部部分在第一线圈的绕组部分之间; 以及源自在第一线圈的绕组部分之间的下面的导电膜的底部上的下面的导电膜的再一部分的沉积，以形成第二线圈。

33. 发明申请

US20080100960A1 Wafer and insulation characteristic monitoring method 审中-公开
标题翻译：晶圆和绝缘特性监测方法
公开(公告)号：US20080100960A1
公开(公告)日：2008-05-01
申请号：US11731558
申请日：2007-03-30
申请人： Masahiro Kakehi , Ryuei Ono
发明人： Masahiro Kakehi , Ryuei Ono
IPC分类号： G11B5/127
CPC分类号： G11B5/3166 , G11B5/17 , G11B5/3133 , G11B5/3173
摘要： The present invention provides an insulation characteristic measuring method of measuring electrical insulation of magnetic head elements formed on a wafer. Each of the magnetic head elements includes an upper magnetic pole layer, a lower magnetic pole layer, insulation layers disposed between the upper and lower magnetic pole layers, and a coil layer formed of a conductive material and disposed between the insulation layers. In at least one of the magnetic head elements, the upper and lower magnetic pole layers are electrically insulated from each other, and the upper and lower magnetic pole layers and the coil layer of the element are respectively connected to terminals of electrodes for measuring insulation. The insulation characteristic of the magnetic head elements is measured by the electrodes. It is therefore possible to measure whether insulation is ensured between layers of the magnetic head elements, which need to be insulated from each other.
摘要翻译：本发明提供一种测量在晶片上形成的磁头元件的电绝缘性的绝缘特性测量方法。每个磁头元件包括上磁极层，下磁极层，设置在上磁极层和下磁极层之间的绝缘层，以及由导电材料形成并设置在绝缘层之间的线圈层。在至少一个磁头元件中，上磁极层和下磁极层彼此电绝缘，并且元件的上下磁极层和线圈层分别连接到用于测量绝缘的电极的端子。磁头元件的绝缘特性由电极测量。因此，可以测量需要彼此绝缘的磁头元件的层之间的绝缘是否被确保。

34. 发明授权

US07362543B2 Magnetoresistive/inductive write head assembly formed with seed layers having a uniform thickness 有权
标题翻译：由具有均匀厚度的种子层形成的磁阻/感应写头组件
公开(公告)号：US07362543B2
公开(公告)日：2008-04-22
申请号：US11108313
申请日：2005-04-18
申请人： Richard Hsiao , Quang Le , Paul P. Nguyen , Son Van Nguyen , Mustafa Pinarbasi , Patrick R. Webb , Howard G. Zolla
发明人： Richard Hsiao , Quang Le , Paul P. Nguyen , Son Van Nguyen , Mustafa Pinarbasi , Patrick R. Webb , Howard G. Zolla
IPC分类号： G11B5/17
CPC分类号： B82Y10/00 , G11B5/17 , G11B5/313 , G11B5/3163 , G11B5/3967 , Y10T29/49043 , Y10T29/49044 , Y10T29/49064 , Y10T29/49073
摘要： The present invention presents a method for fabricating coil elements for magnetic write heads. A coil pattern is formed on a substrate using photolithographic techniques. The substrate is etched using reactive ion etching, creating a coil-shaped trench in the substrate. Thin film seed layers are deposited using ion beam deposition. The substrate is electroplated with metal filling the trenches with metal. The substrate is chemical mechanical polished to remove excess metal and planarize the air bearing surface of the write head.
摘要翻译：本发明提供一种用于制造用于磁写头的线圈元件的方法。使用光刻技术在衬底上形成线圈图案。使用反应离子蚀刻蚀刻衬底，在衬底中产生线圈状沟槽。使用离子束沉积沉积薄膜种子层。用金属电镀衬底，用金属填充沟槽。基板进行化学机械抛光以去除多余的金属并平面化写入头的空气轴承表面。

35. 发明申请

US20080068749A1 THIN-FILM MAGNETIC HEAD WITH COIL-INSULATING LAYER THAT THERMAL EXPANSION COEFFICIENT AND YOUNG'S MODULUS ARE SPECIFIED 有权
标题翻译：具有绝缘层的薄膜磁头与热膨胀系数和年龄模型有关
公开(公告)号：US20080068749A1
公开(公告)日：2008-03-20
申请号：US11757114
申请日：2007-06-01
申请人： Katsuki Kurihara , Hiraku Hirabayashi , Norikazu Ota
发明人： Katsuki Kurihara , Hiraku Hirabayashi , Norikazu Ota
IPC分类号： G11B5/127
CPC分类号： G11B5/3123 , G11B5/17 , G11B5/3106 , G11B5/3133 , G11B5/3136 , G11B5/6064 , G11B2005/0002
摘要： A thin-film magnetic head that the TPTP phenomenon due to the environment temperature is surely suppressed without providing a new particular component is provided. The thin-film magnetic head is provided, which includes, an electromagnetic coil element for writing data with a coil layer which generates magnetic field by current flowed in its own and a coil-insulating layer which surrounds the coil layer; and an overcoat layer formed in such a way as to cover the electromagnetic coil element, a width of a track-width direction of the coil-insulating layer being larger than a width that is a minimum width to need to insulate the whole coil layer, and being at least 46 μm, a length of a direction perpendicular to the track-width direction of the coil-insulating layer being larger than a length that is a minimum length to need to insulate the whole coil layer, and being at least 75 μm, a heat expansion coefficient of the coil-insulating layer being larger than or equal to 30×10−6/K, and a Young's modulus of the coil-insulating layer being larger than or equal to 1 GPa and smaller than or equal to 4 GPa.
摘要翻译：提供了由于环境温度导致的TPTP现象被确定地抑制而不提供新的特定部件的薄膜磁头。提供了一种薄膜磁头，其包括用于通过自身流过的电流产生磁场的线圈层和围绕线圈层的线圈绝缘层来写入数据的电磁线圈元件; 以覆盖电磁线圈元件的方式形成的覆盖层，线圈绝缘层的轨道宽度方向的宽度大于需要使整个线圈层绝缘的最小宽度的宽度，并且至少为46μm，与线圈绝缘层的轨道宽度方向垂直的方向的长度大于需要使整个线圈层绝缘的最小长度的长度，并且至少为75μm ，线圈绝缘层的热膨胀系数大于或等于30×10 -6 / K，线圈绝缘层的杨氏模量大于或等于1GPa或更小大于或等于4 GPa。

36. 发明授权

US07324411B2 Thin-film coil, coil driving circuit and magnetic head 失效
标题翻译：薄膜线圈，线圈驱动电路和磁头
公开(公告)号：US07324411B2
公开(公告)日：2008-01-29
申请号：US11006994
申请日：2004-12-08
申请人： Tsuyoshi Matsumoto
发明人： Tsuyoshi Matsumoto
IPC分类号： G11B11/00
CPC分类号： G11B11/10534 , G11B5/17 , G11B5/3133 , G11B11/10508 , G11B11/10554 , G11B11/1058
摘要： A thin-film coil include a substrate and first and second spiral coils of bifilar winding. Each of the first and the second coils includes an outer circumferential end and an inner circumferential end. The outer circumferential ends of the first and the second spiral coils are insulated from each other and individually extended to a side of the substrate. The inner circumferential ends of the first and the second spiral coils are connected to each other and extended to a side of the substrate.
摘要翻译：薄膜线圈包括基板和双线绕组的第一和第二螺旋线圈。第一和第二线圈中的每一个包括外周端和内周端。第一螺旋线圈和第二螺旋线圈的外周端部彼此绝缘并分别延伸到基板的一侧。第一和第二螺旋线圈的内圆周端彼此连接并延伸到基板的一侧。

37. 发明申请

US20080002289A1 Magnetic head having reduced induction coil electrical resistance and method for the fabrication thereof 失效
标题翻译：具有降低的感应线圈电阻的磁头及其制造方法
公开(公告)号：US20080002289A1
公开(公告)日：2008-01-03
申请号：US11477724
申请日：2006-06-28
申请人： Edward Hin Pong Lee , Vladimir Nikitin
发明人： Edward Hin Pong Lee , Vladimir Nikitin
IPC分类号： G11B5/17
CPC分类号： G11B5/17 , G11B5/3106 , G11B5/3123 , G11B5/3136 , G11B5/3163
摘要： A magnetic head including an induction coil having coil turns that are disposed between two magnetic poles of the magnetic head. The coil turns include a lower coil turn portion and an upper coil turn portion. In fabricating the induction coil, the lower coil turn portion is fabricated first, and the upper coil turn portion is fabricated directly upon the lower coil turn portion. The lower coil turn portion may be fabricated using damascene methods and the upper coil turn portion may be fabricated utilizing photolithographic methods. The lower coil turn portion and the upper coil turn portion of the induction coil turns are electrically connected, such that the thickness of the overall induction coil turns is increased. As a result, the electrical resistance of the coil turns is decreased, and heat generated in the coil is reduced.
摘要翻译：磁头包括具有设置在磁头的两个磁极之间的线圈的感应线圈。线圈匝包括下线圈匝部和上线圈匝部。在制造感应线圈时，首先制造下线圈匝部，并且将上线圈匝部直接制造在下匝匝部上。下部线圈匝部分可以使用镶嵌方法制造，并且上部线圈匝部分可以利用光刻方法制造。感应线圈匝的下线圈匝部和上线圈匝部电连接，使得整个感应线圈匝的厚度增加。结果，线圈匝的电阻降低，线圈中产生的热量减少。

38. 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。

39. 发明授权

US07292409B1 Magnetic head with thin trailing pedestal layer 失效
标题翻译：磁头与薄拖尾基座层
公开(公告)号：US07292409B1
公开(公告)日：2007-11-06
申请号：US10788766
申请日：2004-02-27
申请人： Kroum S. Stoev , Francis H. Liu , James H. Wang , Marcos M. Lederman , David J. Seagle
发明人： Kroum S. Stoev , Francis H. Liu , James H. Wang , Marcos M. Lederman , David J. Seagle
IPC分类号： G11B5/147 , G11B5/17 , G11B5/187
CPC分类号： G11B5/3146 , G11B5/17 , G11B5/3116 , G11B5/3123
摘要： A magnetic head for a disk drive is disclosed that has a first soft magnetic pole layer disposed in the head adjacent to a medium-facing surface and extending perpendicular to the medium-facing surface; a second soft magnetic pole layer disposed closer than the first pole layer to the trailing end, the second pole layer magnetically coupled to the first pole layer in a backgap region; a soft magnetic pedestal adjoining the second pole layer, disposed closer than the second pole layer to the medium-facing surface and extending less than the second pole layer extends from the medium-facing surface, the pedestal separated from the first pole layer by a nonferromagnetic gap, the pedestal having a thickness that is less than four hundred and fifty nanometers between the gap and the second pole layer. Longitudinal and perpendicular recording embodiments are disclosed, as well as solenoidal, single-layer and dual-layer reversed-current coil structures.
摘要翻译：公开了一种用于磁盘驱动器的磁头，其具有第一软磁极层，该第一软磁极层设置在与中间面向表面相邻并且垂直于介质面向表面延伸的头部中; 第二软磁极层，设置成比所述第一极层更靠近所述后端，所述第二极层在后隙区域中磁耦合到所述第一极层; 邻近第二极层的软磁性基座设置成比第二极层更靠近介质相对表面并且延伸小于第二极层从中介面向表面延伸，基座与第一极层分离，由非铁磁间隙，所述基座在所述间隙和所述第二极层之间具有小于四百五十纳米的厚度。公开纵向和垂直记录实施例，以及螺线管，单层和双层反向电流线圈结构。

40. 发明授权

US07292408B2 Bilayer coil insulation for magnetic write heads to minimize pole recession 有权
标题翻译：用于磁性写头的双层线圈绝缘，以尽量减少极限衰退
公开(公告)号：US07292408B2
公开(公告)日：2007-11-06
申请号：US10903341
申请日：2004-07-30
申请人： Andrew Chiu , Edward Hin Pong Lee , John Jaekoyun Yang , Michael Ming Hsiang Yang , Sue Siyang Zhang
发明人： Andrew Chiu , Edward Hin Pong Lee , John Jaekoyun Yang , Michael Ming Hsiang Yang , Sue Siyang Zhang
IPC分类号： G11B5/17
CPC分类号： G11B5/3163 , G11B5/17 , G11B5/1871
摘要： A magnetic write head for use in a data recording system having first and second magnetic pole, the first pole having a P1 pedestal. An electrically conductive coil passes through a space between the first and second poles for inducing a magnetic flux through the yoke formed by the first and second poles. A bi-layer insulation layer disposed between the poles includes a layer of photoresist for preventing voids and a layer of alumina formed thereover to provide a structural brace to prevent recession of the P1 pedestal during manufacturing operations such as soda blast.
摘要翻译：一种用于具有第一和第二磁极的数据记录系统的磁性写头，所述第一极具有P1基座。导电线圈通过第一和第二极之间的空间，用于引导通过由第一和第二极形成的轭的磁通。设置在极之间的双层绝缘层包括用于防止空隙的光致抗蚀剂层和形成在其上的氧化铝层，以提供结构支架，以防止诸如苏打爆炸的制造操作期间P1基座的凹陷。

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