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31. 发明授权

US08277669B1 Method and system for providing a perpendicular magnetic recording pole having a leading edge bevel 有权
标题翻译：用于提供具有前缘斜面的垂直磁记录极的方法和系统
公开(公告)号：US08277669B1
公开(公告)日：2012-10-02
申请号：US12643954
申请日：2009-12-21
申请人： Tsung Yuan Chen , Yimin Guo , Jinqiu Zhang , Ut Tran
发明人： Tsung Yuan Chen , Yimin Guo , Jinqiu Zhang , Ut Tran
IPC分类号： B44C1/22
CPC分类号： G11B5/3116 , G11B5/315 , G11B5/3163 , Y10T29/49046
摘要： A method and system for providing a pole of magnetic transducer having an air-bearing surface (ABS) are described. Leading shield and planarization stop layers are provided. Portions of the planarization stop and shield layers distal from the ABS location are removed, providing a depression forming a bevel. The bevel has an angle greater than zero and less than ninety degrees. An intermediate layer having a top surface substantially perpendicular to the ABS location is provided. Part of the intermediate layer is removed, forming a trench having a bottom corresponding to the leading shield and a location and profile corresponding to the pole. A nonmagnetic layer is provided at least partially in the trench. The pole with a leading edge bevel corresponding to the bevel is provided in the trench. A capping layer covering the pole is provided, at least part of the intermediate layer removed, and a wrap-around shield provided.
摘要翻译：描述了一种用于提供具有空气轴承表面（ABS）的磁换能器极的方法和系统。提供了领先的屏蔽和平坦化停止层。除去远离ABS位置的平坦化停止和屏蔽层的部分，提供形成斜面的凹陷。斜面角度大于零，小于九十度。提供具有基本上垂直于ABS位置的顶表面的中间层。中间层的一部分被去除，形成具有对应于前屏蔽的底部的沟槽和对应于极的位置和轮廓。至少部分地在沟槽中提供非磁性层。在沟槽中设置有与斜面相对应的前缘斜面的极。提供覆盖极的覆盖层，去除中间层的至少一部分和设置的环绕护罩。

32. 发明授权

US07359608B2 Constructing well structures for hybrid optical waveguides 有权
标题翻译：构建混合光波导的井结构
公开(公告)号：US07359608B2
公开(公告)日：2008-04-15
申请号：US11586790
申请日：2006-10-26
申请人： Ut Tran , David A. G. Deacon , Shing Man Lee
发明人： Ut Tran , David A. G. Deacon , Shing Man Lee
IPC分类号： G02B6/10
CPC分类号： G02B6/136 , G02B6/1221 , G02B2006/12097 , G02B2006/12176
摘要： A well may be formed for access to an optical waveguide core by a process that results in an L-shaped well. The L-shaped well may then be filled with a polymer. By controlling the size of each portion of well, the occurrence of bubbles within the well and cuts to the core may be reduced.
摘要翻译：可以形成用于通过导致L形阱的工艺来访问光波导芯的阱。然后可以用聚合物填充L形孔。通过控制井的每个部分的尺寸，可以减少井内气泡的发生以及对芯的切割。

33. 发明授权

US08514517B1 Systems and methods for providing hybrid coils for magnetic write heads 有权
标题翻译：用于为磁写头提供混合线圈的系统和方法
公开(公告)号：US08514517B1
公开(公告)日：2013-08-20
申请号：US13174619
申请日：2011-06-30
申请人： Sharat Batra , Ut Tran , Zhigang Bai , Kevin K. Lin
发明人： Sharat Batra , Ut Tran , Zhigang Bai , Kevin K. Lin
IPC分类号： G11B5/17
CPC分类号： G11B5/17 , G11B5/1278 , G11B5/3123 , G11B5/3136 , G11B2005/0005
摘要： Systems and methods for providing hybrid coils for magnetic write heads used in disk drives are described. One such system includes a magnetic read/write head including a read transducer, and a write transducer including a pair of write poles, a hybrid coil including a first coil having a pancake coil configuration including at least one turn positioned between the pair of write poles, and a second coil having a helical coil configuration including a plurality of turns positioned between the pair of write poles, the second coil coupled to the first coil, where the at least one turn of the first coil is interleaved with the turns of the second coil.
摘要翻译：描述了用于为磁盘驱动器中使用的写磁头提供混合线圈的系统和方法。一种这样的系统包括包括读取换能器的磁读/写头和包括一对写磁极的写换能器，包括具有扁平线圈配置的第一线圈的混合线圈，该扁平线圈配置包括位于一对写极之间的至少一匝以及具有螺旋线圈结构的第二线圈，其包括位于所述一对写入极之间的多个匝，所述第二线圈耦合到所述第一线圈，其中所述第一线圈的所述至少一个匝与所述第二线圈的匝相交叉线圈

34. 发明授权

US08276258B1 Method for fabricating a magnetic recording transducer 有权
标题翻译：磁记录传感器的制造方法
公开(公告)号：US08276258B1
公开(公告)日：2012-10-02
申请号：US12198657
申请日：2008-08-26
申请人： Ut Tran , Zhigang Bai
发明人： Ut Tran , Zhigang Bai
IPC分类号： G11B5/127 , H04R31/00
CPC分类号： G11B5/3163 , G11B5/1278 , G11B5/3116 , G11B5/315
摘要： A method and system provide a magnetic transducer that includes an underlayer and a first nonmagnetic layer on the underlayer. The method and system include providing a first trench in the first nonmagnetic layer. The first trench has at least one edge corresponding to at least one side shield. The method and system also include providing a second nonmagnetic layer in the first trench and providing a second trench in the second nonmagnetic layer. The method and system include providing the main pole. At least part of the main pole resides in the second trench. The method and system further include removing at least a portion of the second nonmagnetic layer between the edge(s) and the main pole. The method and system also provide the side shield(s) in the first trench. The side shield(s) extend from at least an air-bearing surface location to not further than a coil front location.
摘要翻译：一种方法和系统提供一种磁传感器，其包括底层上的底层和第一非磁性层。该方法和系统包括在第一非磁性层中提供第一沟槽。第一沟槽具有至少一个对应于至少一个侧面屏蔽的边缘。该方法和系统还包括在第一沟槽中提供第二非磁性层，并在第二非磁性层中提供第二沟槽。该方法和系统包括提供主极。主极的至少一部分位于第二沟槽中。所述方法和系统还包括在所述边缘和所述主极之间移除所述第二非磁性层的至少一部分。该方法和系统还在第一沟槽中提供侧屏蔽。侧护罩从至少一个空气轴承表面位置延伸到不超过线圈前部位置。

35. 发明授权

US08228633B1 Method and system for providing a magnetic recording transducer having a hybrid moment pole 有权
标题翻译：用于提供具有混合力矩极的磁记录换能器的方法和系统
公开(公告)号：US08228633B1
公开(公告)日：2012-07-24
申请号：US12196131
申请日：2008-08-21
申请人： Ut Tran , Zhigang Bai
发明人： Ut Tran , Zhigang Bai
IPC分类号： G11B5/23
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/3163
摘要： A method and system provide a magnetic transducer that includes an air-bearing surface (ABS). The magnetic transducer includes an underlayer and a main pole residing on the underlayer. The main pole includes a front and a rear. The front resides at the ABS, while the rear is distal from the ABS. The main pole also includes a first portion having a first magnetic moment and a second portion having a second magnetic moment. The first portion has a front face at the ABS and terminates between the ABS and the rear of the main pole. A part of the second portion resides on the first portion, while another part of the second portion resides between the first portion of the main pole and the rear of the main pole. The first magnetic moment is less than the second magnetic moment.
摘要翻译：一种方法和系统提供包括空气轴承表面（ABS）的磁换能器。磁换能器包括底层和位于底层上的主极。主杆包括前部和后部。前部位于ABS，而后部位于ABS的远端。主极还包括具有第一磁矩的第一部分和具有第二磁矩的第二部分。第一部分在ABS处具有前表面并且终止于ABS和主极的后部之间。第二部分的一部分位于第一部分上，而第二部分的另一部分位于主极的第一部分和主极的后部之间。第一个磁矩小于第二个磁矩。

36. 发明授权

US06445536B1 Dielectric stencil-defined write head for MR, GMR, and spin valve high density recording heads 失效
标题翻译：用于MR，GMR和自旋阀高密度记录头的介质模板定义写头
公开(公告)号：US06445536B1
公开(公告)日：2002-09-03
申请号：US09140903
申请日：1998-08-27
申请人： Steven C. Rudy , Hugh C. Hiner , Lien-Chang Wang , Yong Shen , Ut Tran , Yunju Ra , Durga Ravipati
发明人： Steven C. Rudy , Hugh C. Hiner , Lien-Chang Wang , Yong Shen , Ut Tran , Yunju Ra , Durga Ravipati
IPC分类号： G11B533
CPC分类号： G11B5/3163 , G11B5/3109 , G11B5/3116 , G11B5/313 , G11B5/3967
摘要： A thin film head apparatus and method for forming such a thin film head. In one approach, the present invention recites forming a cavity in a dielectric layer. Next, a layer of high magnetic field saturation (HBsat) material is sputter-deposited over the dielectric layer such that the HBsat material is deposited into the cavity formed in the dielectric layer. The cavity in the dielectric layer functions as a mold or “stencil” for the HBsat material. The HBsat material deposited into the cavity is used to form the first core of a thin film head. After the formation of the first core of the thin film head, a gap layer of material is deposited above the dielectric layer and above the first core. Next, a layer of HBsat material is sputter-deposited above the gap layer of material and above the first core of the thin film head. The layer of HBsat material disposed above the gap layer of material and above the first core is used to form the second core of the thin film head. Hence, this invention forms first and second cores of a thin film head using sputter deposition processes. As a result, selected HBsat materials which were not well suited to conventional thin film head formation methods can now be used to form the cores of thin film head structures.
摘要翻译：一种用于形成这种薄膜头的薄膜头装置和方法。在一种方法中，本发明阐述了在电介质层中形成空腔。接下来，将一层高磁场饱和（HBsat）材料溅射沉积在电介质层上，使得HBsat材料沉积到形成在电介质层中的空腔中。电介质层中的空腔用作HBsat材料的模具或“模板”。沉积到腔中的HBsat材料用于形成薄膜头的第一芯。在形成薄膜头的第一芯之后，材料的间隙层沉积在介电层上方并在第一芯上方。接下来，将一层HBsat材料溅射沉积在材料的间隙层的上方并位于薄膜头的第一芯上方。设置在材料的间隙层之上和第一芯之上的HBsat材料层用于形成薄膜头的第二芯。因此，本发明使用溅射沉积工艺形成薄膜头的第一和第二芯。结果，现在可以使用非常适合于常规薄膜头形成方法的所选HBsat材料来形成薄膜头结构的芯。

37. 发明授权

US5578342A Alignment of magnetic poles of thin film transducer 失效
标题翻译：薄膜换能器的磁极对准
公开(公告)号：US5578342A
公开(公告)日：1996-11-26
申请号：US498169
申请日：1995-07-05
申请人： Ut Tran , Tai Lee , Tran Son
发明人： Ut Tran , Tai Lee , Tran Son
IPC分类号： G11B5/31 , B05D5/12 , B05D1/18 , C23C14/32 , C25D5/02
CPC分类号： G11B5/3116 , G11B5/3163
摘要： A process for producing a thin film magnetic head uses the upper magnetic pole as a self-aligning mask for partially trimming the lower magnetic pole, wherein the yoke and pole tip regions to be trimmed are processed by separate and distinct photolithographic steps, thereby achieving noncritical alignment in the yoke area, while maintaining critical alignment in the pole tip region which includes the transducing gap.
摘要翻译：用于制造薄膜磁头的方法使用上磁极作为自对准掩模，用于部分修整下磁极，其中要修整的磁轭和磁极尖端区域通过分开且不同的光刻步骤进行处理，由此实现非临界同时在包括换能间隙的极尖区域保持临界对准。

38. 发明申请

US20170062694A1 FLEXIBLE MICROMACHINED TRANSDUCER DEVICE AND METHOD FOR FABRICATING SAME 审中-公开
标题翻译：柔性微型传感器装置及其制造方法
公开(公告)号：US20170062694A1
公开(公告)日：2017-03-02
申请号：US15353695
申请日：2016-11-16
申请人： Dimitre Latev , Arman Hajati , Darren Todd Imai , Ut Tran
发明人： Dimitre Latev , Arman Hajati , Darren Todd Imai , Ut Tran
IPC分类号： H01L41/04 , B32B37/12 , H01L41/29 , B06B1/06 , H01L41/047 , H01L41/09
摘要： Techniques and structures for providing flexibility of a micromachined transducer array. In an embodiment, a transducer array includes a plurality of transducer elements each comprising a piezoelectric element and one or more electrodes disposed in or on a support layer. The support layer is bonded to a flexible layer including a polymer material, wherein flexibility of the transducer array results in part from a total thickness of a flexible layer. In another embodiment, flexibility of the transducer array results in part from one or more flexural structures formed therein.
摘要翻译：提供微机械传感器阵列的灵活性的技术和结构。在一个实施例中，换能器阵列包括多个换能器元件，每个换能器元件包括压电元件和设置在支撑层中或支撑层上的一个或多个电极。支撑层结合到包括聚合物材料的柔性层，其中换能器阵列的灵活性部分地来自柔性层的总厚度。在另一个实施例中，换能器阵列的灵活性部分地由其中形成的一个或多个弯曲结构导致。

39. 发明授权

US08797686B1 Magnetic recording transducer with short effective throat height and method of fabrication 有权
标题翻译：磁记录传感器具有短的喉部高度和制造方法
公开(公告)号：US08797686B1
公开(公告)日：2014-08-05
申请号：US12978242
申请日：2010-12-23
申请人： Zhigang Bai , Peng Luo , Shaoping Li , Ut Tran
发明人： Zhigang Bai , Peng Luo , Shaoping Li , Ut Tran
IPC分类号： G11B5/31 , G11B5/23
CPC分类号： G11B5/3163 , G11B5/1278 , G11B5/232 , G11B5/235 , G11B5/3116 , G11B5/315
摘要： A magnetic recording transducer for use in a data storage device includes a writer pole with a ABS surface, trailing edge bevel and a trailing shield. The effective throat height of the writer main pole is reduced by the use two gap layers between the writer main pole and the trailing shield. A first gap layer is on and in contact with the writer pole trailing surface, and a second gap layer is on a section of the first gap layer on the writer pole trailing edge bevel, from a point removed from the ABS surface and absent from a part on a section of the first gap layer on the writer pole trailing edge bevel nearest the ABS. A method of fabricating the transducer is also provided.
摘要翻译：用于数据存储装置的磁记录传感器包括具有ABS表面的写入极，后缘斜面和后屏蔽。通过使用写主机和后盾之间的两个间隙层，减小了作者主极的有效喉部高度。第一间隙层与写入器极后表面接触并接触，并且第二间隙层位于写入器极后缘斜面上的第一间隙层的一部分上，从从ABS表面移除的点不在部分位于最靠近ABS的作者极后缘的第一间隙层的一部分。还提供了制造换能器的方法。

40. 发明授权

US08786983B1 Magnetic writer having a low aspect ratio two layer coil 有权
标题翻译：具有低纵横比的两层线圈的磁性写入器
公开(公告)号：US08786983B1
公开(公告)日：2014-07-22
申请号：US13532658
申请日：2012-06-25
申请人： Feng Liu , Zhanjie Li , Zhigang Bai , Ut Tran , Kevin K. Lin
发明人： Feng Liu , Zhanjie Li , Zhigang Bai , Ut Tran , Kevin K. Lin
IPC分类号： G11B5/17
CPC分类号： G11B5/17 , G11B5/3123
摘要： A method and system provide a magnetic transducer having an air-bearing surface (ABS). The magnetic transducer includes a write pole and at least one coil. The write pole has a pole tip and a yoke. The coil(s) energize the write pole. The coil(s) include a plurality of turns a first distance from the pole and at least one additional turn a second distance from the pole. The first distance is different from the second distance. The at least one additional turn extends over at least part of two of the plurality of turns, has a length in a stripe height direction perpendicular to the ABS and has a height in a down track direction. The length is greater than the height.
摘要翻译：一种方法和系统提供具有空气轴承表面（ABS）的磁换能器。磁换能器包括写极和至少一个线圈。写极具有极尖和轭。线圈使写入极点通电。所述线圈包括与所述极点第一距离的多个匝和距离所述极点至少一个第二距离的至少一个附加匝。第一距离与第二距离不同。所述至少一个附加转弯在所述多个匝中的两个匝中的至少一部分上延伸，具有垂直于所述ABS的条带高度方向上的长度，并且具有向下轨道方向的高度。长度大于高度。

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