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1. 发明申请

US20120127615A1 TMR READER STRUCTURE AND PROCESS FOR FABRICATION 有权
标题翻译： TMR读取器结构和制造过程
公开(公告)号：US20120127615A1
公开(公告)日：2012-05-24
申请号：US12954334
申请日：2010-11-24
申请人： Liubo Hong , Honglin Zhu , Tsann Lin , Zheng Gao
发明人： Liubo Hong , Honglin Zhu , Tsann Lin , Zheng Gao
IPC分类号： G11B5/33 , G01R33/32
CPC分类号： G11B5/3912 , G01R33/098 , G11B5/3163 , G11B5/3932
摘要： The present invention generally relates to a TMR reader and a method for its manufacture. The TMR reader discussed herein adds a shield layer to the sensor structure. The shield layer is deposited over the capping layer so that the shield layer and the capping layer collectively protect the free magnetic layer within the sensor structure from damage during further processing. Additionally, the hard bias layer is shaped such that the entire hard bias layer underlies the hard bias capping layer so that a top lead layer is not present. By eliminating the top lead layer and including a shield layer within the sensor structure, the read gap is reduced while still protecting the free magnetic layer during later processing.
摘要翻译：本发明一般涉及TMR读取器及其制造方法。本文中讨论的TMR读取器将一个屏蔽层添加到传感器结构。屏蔽层沉积在覆盖层上，使得屏蔽层和覆盖层共同保护传感器结构内的自由磁性层免受进一步处理期间的损坏。此外，硬偏压层被成形为使得整个硬偏压层位于硬偏压覆盖层的下面，使得顶部引线层不存在。通过消除顶部引线层并且在传感器结构内包括屏蔽层，读取间隙减小，同时在稍后处理期间仍然保护自由磁性层。

2. 发明授权

US08553370B2 TMR reader structure having shield layer 有权
标题翻译：具有屏蔽层的TMR读取器结构
公开(公告)号：US08553370B2
公开(公告)日：2013-10-08
申请号：US12954334
申请日：2010-11-24
申请人： Liubo Hong , Honglin Zhu , Tsann Lin , Zheng Gao
发明人： Liubo Hong , Honglin Zhu , Tsann Lin , Zheng Gao
IPC分类号： G11B5/39
CPC分类号： G11B5/3912 , G01R33/098 , G11B5/3163 , G11B5/3932
摘要： The present invention generally relates to a TMR reader and a method for its manufacture. The TMR reader discussed herein adds a shield layer to the sensor structure. The shield layer is deposited over the capping layer so that the shield layer and the capping layer collectively protect the free magnetic layer within the sensor structure from damage during further processing. Additionally, the hard bias layer is shaped such that the entire hard bias layer underlies the hard bias capping layer so that a top lead layer is not present. By eliminating the top lead layer and including a shield layer within the sensor structure, the read gap is reduced while still protecting the free magnetic layer during later processing.
摘要翻译：本发明一般涉及TMR读取器及其制造方法。本文中讨论的TMR读取器将一个屏蔽层添加到传感器结构。屏蔽层沉积在覆盖层上，使得屏蔽层和覆盖层共同保护传感器结构内的自由磁性层免受进一步处理期间的损坏。此外，硬偏压层被成形为使得整个硬偏压层位于硬偏压覆盖层的下面，使得顶部引线层不存在。通过消除顶部引线层并且在传感器结构内包括屏蔽层，读取间隙减小，同时在稍后处理期间仍然保护自由磁性层。

3. 发明申请

US20130164562A1 TUNNELING MAGNETORESISTANCE (TMR) READ SENSOR WITH A LONG DIFFUSION PATH AND EX-SITU INTERFACES IN A SENSE LAYER STRUCTURE 有权
标题翻译： TUNNELING MAGNETORESISTANCE（TMR）阅读传感器与长扩散路径和EX-SITU接口在感觉层结构
公开(公告)号：US20130164562A1
公开(公告)日：2013-06-27
申请号：US13335642
申请日：2011-12-22
申请人： Tsann Lin
发明人： Tsann Lin
IPC分类号： G11B5/39 , H01F7/06
CPC分类号： G11B5/3906 , G01R33/098 , G11B5/3163 , G11B5/3909 , G11B5/398 , G11B5/40 , H01F10/3254 , H01F10/3295 , Y10T29/4902 , Y10T428/1114 , Y10T428/1121 , Y10T428/1143
摘要： The invention provides a tunneling magnetoresistance (TMR) read sensor with a long diffusion path and ex-situ interfaces in a sense layer structure. The sense layer structure comprises a first sense layer preferably formed of a ferromagnetic Co—Fe film, a second sense layer preferably formed of a ferromagnetic Co—Fe—B film, and a third sense layer preferably formed of a ferromagnetic Ni—Fe film. The sense layer structure has a long diffusion path (defined as a total thickness of the first and second sense layers) and ex-situ interfaces for suppressing unwanted diffusions of Ni atoms. Alternatively, the sense layer structure comprises a first sense layer preferably formed of a ferromagnetic Co—Fe film, a second sense layer preferably formed of a ferromagnetic Co—Fe—B film, a third sense layer preferably formed of a ferromagnetic Co—Fe—B—Hf film, and a fourth sense layer preferably formed of a ferromagnetic Ni—Fe film.
摘要翻译：本发明提供了一种在感应层结构中具有长扩散路径和非原位界面的隧道磁阻（TMR）读取传感器。感测层结构包括优选由铁磁Co-Fe膜形成的第一感测层，优选由铁磁性Co-Fe-B膜形成的第二感测层和优选由铁磁性Ni-Fe膜形成的第三感测层。感应层结构具有长的扩散路径（定义为第一和第二感测层的总厚度）和用于抑制Ni原子的不期望的扩散的非原位界面。或者，感测层结构包括优选由铁磁性Co-Fe膜形成的第一感测层，优选由铁磁性Co-Fe-B膜形成的第二感测层，优选由铁磁性Co-Fe-B膜形成的第三感测层， B-Hf膜，以及优选由铁磁性Ni-Fe膜形成的第四感测层。

4. 发明授权

US08325450B2 Low resistance tunnel magnetoresistance (TMR) structure 有权
标题翻译：低电阻隧道磁阻（TMR）结构
公开(公告)号：US08325450B2
公开(公告)日：2012-12-04
申请号：US12332010
申请日：2008-12-10
申请人： Ying Hong , Kochan Ju , Tsann Lin , Ching Hwa Tsang
发明人： Ying Hong , Kochan Ju , Tsann Lin , Ching Hwa Tsang
IPC分类号： G01B5/66
CPC分类号： G11B5/3909 , B82Y10/00 , B82Y25/00 , G01R33/098 , G11B5/3906 , Y10T428/1114
摘要： A magnetic structure in one embodiment includes a tunnel barrier layer; a free layer; and a buffer layer between the tunnel barrier layer and the free layer, wherein a cross sectional area of the tunnel barrier layer in a direction parallel to a plane of deposition thereof is greater than a cross sectional area of the free layer in a direction parallel to a plane of deposition thereof, wherein a cross sectional area of the buffer layer in a direction parallel to a plane of deposition thereof is greater than a cross sectional area of the free layer in the direction parallel to the plane of deposition thereof. Additional systems and methods are also presented.
摘要翻译：一个实施例中的磁性结构包括隧道势垒层; 自由层以及所述隧道势垒层和所述自由层之间的缓冲层，其中所述隧道势垒层在与其沉积平面平行的方向上的横截面面积大于所述自由层在平行于所述隧道势垒层的方向上的横截面积其沉积平面，其中在平行于其沉积平面的方向上的缓冲层的横截面面积大于在平行于其沉积平面的方向上的自由层的横截面面积。还介绍了其他系统和方法。

5. 发明授权

US07796364B2 Current-perpendicular-to-plane sensor epitaxially grown on a bottom shield 有权
标题翻译：在底部屏蔽上外延生长的电流垂直于平面的传感器
公开(公告)号：US07796364B2
公开(公告)日：2010-09-14
申请号：US11618527
申请日：2006-12-29
申请人： Tsann Lin
发明人： Tsann Lin
IPC分类号： G11B5/39
CPC分类号： G11B5/3912 , B82Y25/00 , B82Y40/00 , G01R33/093 , G11B5/3906 , H01F10/30 , H01F10/3272 , H01F41/302
摘要： A current-perpendicular-to-plane (CPP) magnetoresistance sensor and a method for forming a current-perpendicular-to-plane (CPP) magnetoresistance sensor. The method includes providing a ferromagnetic shield layer and disposing one or more seed layers on the ferromagnetic shield layer. The method also includes disposing a pinning layer on the one or more seed layers, wherein the pinning layer excludes PtMn, and disposing a pinned layer on the pinning layer. The shield layer, each of the one or more seed layers, the pinning layer, and the pinned layer are comprised of compounds having face-centered-cubic structures.
摘要翻译：电流垂直平面（CPP）磁阻传感器和形成电流 - 垂直平面（CPP）磁阻传感器的方法。该方法包括提供铁磁屏蔽层并在铁磁屏蔽层上设置一个或多个晶种层。所述方法还包括在所述一个或多个晶种层上设置钉扎层，其中所述钉扎层排除PtMn，并且将钉扎层设置在钉扎层上。屏蔽层，一个或多个种子层中的每一个，钉扎层和被钉扎层由具有面心立方结构的化合物组成。

6. 发明授权

US07697244B2 Magnetic head with stabilized ferromagnetic shield 失效
标题翻译：具有稳定铁磁屏蔽的磁头
公开(公告)号：US07697244B2
公开(公告)日：2010-04-13
申请号：US11423697
申请日：2006-06-12
申请人： Tsann Lin
发明人： Tsann Lin
IPC分类号： G11B5/127
CPC分类号： G11B5/398 , B82Y25/00 , G01R33/093 , G11B5/11 , G11B5/1278 , G11B5/3912 , G11B5/3932 , G11B5/3967 , G11B2005/3996
摘要： A magnetic head in one embodiment includes first and second ferromagnetic shield layers, first and second nonmagnetic read-gap layers positioned between the first and second ferromagnetic shield layers, a sensor used in a current-in-plane (CIP) mode, first and second longitudinal bias layers electrically coupled with the sensor, and first and second conducting layers electrically coupled with the first and second longitudinal bias layers, respectively.
摘要翻译：一个实施例中的磁头包括第一和第二铁磁屏蔽层，位于第一和第二铁磁屏蔽层之间的第一和第二非磁性读取间隙层，在平面（CIP）模式中使用的传感器，第一和第二与传感器电耦合的纵向偏置层，以及分别与第一和第二纵向偏置层电耦合的第一和第二导电层。

7. 发明授权

US07599153B2 Method and apparatus providing a stabilized top shield in read head for magnetic recording 失效
标题翻译：在读磁头中提供稳定的顶部屏蔽用于磁记录的方法和装置
公开(公告)号：US07599153B2
公开(公告)日：2009-10-06
申请号：US11362628
申请日：2006-02-27
申请人： Tsann Lin
发明人： Tsann Lin
IPC分类号： G11B5/33
CPC分类号： G11B5/3116 , G11B5/11 , G11B5/3912 , G11B5/3932 , G11B5/3967 , G11B5/398
摘要： A method and apparatus providing a stabilized top shield in a read head used for the longitudinal or perpendicular magnetic recording is disclosed. The top shield includes a laminate structure including at least three layers of ferromagnetic and antiferromagnetic films in a frame. Unidirectional anisotropy induced at the interface of the ferromagnetic and antiferromagnetic films is optimized by selecting suitable compositions and thicknesses to achieve the stabilization of the top shield while maintaining high permeability. In an alternative method, the top shield includes a ferromagnetic Ni—Fe film in a central region and multiple layers comprising ferromagnetic Co—Fe and Ni—Fe layers and an antiferromagnetic layer. Unidirectional anisotropy induced at the interfaces of ferromagnetic and antiferromagnetic layers by selecting suitable compositions and thicknesses of the ferromagnetic and antiferromagnetic layers to achieve the stabilization of the top shield through magnetostatic interactions between the central and side regions.
摘要翻译：公开了一种在用于纵向或垂直磁记录的读取头中提供稳定的顶部屏蔽的方法和装置。顶部屏蔽包括在框架中包括至少三层铁磁性和反铁磁性膜的层压结构。通过选择合适的组成和厚度来优化在铁磁和反铁磁膜的界面处引起的单向各向异性，以实现顶部屏蔽的稳定性，同时保持高磁导率。在替代方法中，顶部屏蔽包括在中心区域的铁磁性Ni-Fe膜，以及包含铁磁Co-Fe和Ni-Fe层的多层和反铁磁性层。通过选择铁磁和反铁磁层的合适组成和厚度来实现铁磁性和反铁磁性层的界面处的单向各向异性，以通过中央和侧面区域之间的静磁相互作用实现顶部屏蔽的稳定。

8. 发明授权

US07554775B2 GMR sensors with strongly pinning and pinned layers 失效
标题翻译： GMR传感器具有强固定和固定层
公开(公告)号：US07554775B2
公开(公告)日：2009-06-30
申请号：US11069306
申请日：2005-02-28
申请人： Jinshan Li , Tsann Lin
发明人： Jinshan Li , Tsann Lin
IPC分类号： G11B5/39
CPC分类号： B82Y25/00 , B82Y10/00 , G11B5/3929 , G11B2005/3996
摘要： A giant magnetoresistance (GMR) sensor with strongly pinning and pinned layers is described for magnetic recording at ultrahigh densities. The pinning layer is an antiferromagnetic (AFM) iridium-manganese-chromium (Ir—Mn—Cr) film having a Mn content of approximately from 70 to 80 atomic percent and having a Cr content of approximately from 1 to 10 atomic percent. The first pinned layer is preferably a ferromagnetic Co—Fe having an Fe content of approximately from 20 to 80 at % and having high, positive saturation magnetostriction. The second pinned layer is preferably a ferromagnetic Co—Fe having an Fe content of approximately from 0 to 10 atomic percent. The net magnetic moment of the first and second pinned layers is designed to be nearly zero in order to achieve a pinning field of beyond 3,000 Oe.
摘要翻译：描述了具有强钉扎和钉扎层的巨磁阻（GMR）传感器用于超高密度的磁记录。钉扎层是具有大约70至80原子％的Mn含量并且Cr含量约为1至10原子％的反铁磁（AFM）铱 - 锰 - 铬（Ir-Mn-Cr）膜。第一被钉扎层优选为Fe含量为约20至80at％且具有高正饱和磁致伸缩的铁磁性Co-Fe。第二被钉扎层优选为Fe含量约为0〜10原子％的铁磁Co-Fe。第一和第二被钉扎层的净磁矩被设计为几乎为零，以便实现超过3,000Oe的钉扎场。

9. 发明授权

US07472469B2 Method for fabricating a magnetic head having a sensor stack and two lateral stack 失效
标题翻译：用于制造具有传感器堆叠和两个横向堆叠的磁头的方法
公开(公告)号：US07472469B2
公开(公告)日：2009-01-06
申请号：US11231438
申请日：2005-09-20
申请人： David Eugene Heim , Kim Y. Lee , Tsann Lin , Jih-Shiuan Luo , Chun-Ming Wang
发明人： David Eugene Heim , Kim Y. Lee , Tsann Lin , Jih-Shiuan Luo , Chun-Ming Wang
IPC分类号： G11B5/127 , H04R31/00
CPC分类号： G11B5/398 , B82Y10/00 , B82Y25/00 , G11B5/3163 , G11B5/3932 , H01L43/12 , Y10T29/49039 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052
摘要： A method is disclosed for fabricating a read sensor for a magnetic head for a hard disk drive having a read sensor stack and two lateral stacks. The method of fabrication includes forming lateral stacks on a gap layer, surrounding a groove to form a template. The read sensor stack is then formed in the groove, which defines the lateral dimensions of the read sensor stack, and lead layers are then formed on the lateral stacks. Also disclosed is a read head for a disk drive having a sensor stack defined by pre-established lateral stacks, and a disk drive having the read head.
摘要翻译：公开了一种用于制造用于具有读取传感器堆叠和两个横向堆叠的硬盘驱动器的磁头的读取传感器的方法。制造方法包括在间隙层上形成横向叠层，围绕凹槽形成模板。然后将读取的传感器堆叠形成在凹槽中，其限定读取的传感器堆叠的横向尺寸，然后在横向堆叠件上形成引线层。还公开了一种用于具有由预先建立的横向叠层定义的传感器堆叠的磁盘驱动器的读取头，以及具有读取磁头的磁盘驱动器。

10. 发明申请

US20070285847A1 MAGNETIC HEAD WITH STABILIZED FERROMAGNETIC SHIELD 失效
标题翻译：磁头具有稳定的电磁屏蔽
公开(公告)号：US20070285847A1
公开(公告)日：2007-12-13
申请号：US11423697
申请日：2006-06-12
申请人： Tsann Lin
发明人： Tsann Lin
IPC分类号： G11B5/127 , G11B5/33
CPC分类号： G11B5/398 , B82Y25/00 , G01R33/093 , G11B5/11 , G11B5/1278 , G11B5/3912 , G11B5/3932 , G11B5/3967 , G11B2005/3996
摘要： A magnetic head in one embodiment includes first and second ferromagnetic shield layers, first and second nonmagnetic read-gap layers positioned between the first and second ferromagnetic shield layers, a sensor used in a current-in-plane (CIP) mode, first and second longitudinal bias layers electrically coupled with the sensor, and first and second conducting layers electrically coupled with the first and second longitudinal bias layers, respectively.
摘要翻译：一个实施例中的磁头包括第一和第二铁磁屏蔽层，位于第一和第二铁磁屏蔽层之间的第一和第二非磁性读取间隙层，在平面（CIP）模式中使用的传感器，第一和第二与传感器电耦合的纵向偏置层，以及分别与第一和第二纵向偏置层电耦合的第一和第二导电层。

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