公开(公告)号：US08670295B1

公开(公告)日：2014-03-11

申请号：US12973328

申请日：2010-12-20

Applicant: Yufeng Hu ,  Ruolin Li ,  Ut Tran

Inventor： Yufeng Hu ,  Ruolin Li ,  Ut Tran

IPC: G11B11/00

CPC classification number: G11B5/6088 ,  G11B5/105 ,  G11B5/314 ,  G11B2005/0021

Abstract: A method and system for providing an energy assisted magnetic recording (EAMR) transducer coupled with a laser. The EAMR transducer has an air-bearing surface (ABS) configured to reside in proximity to a media during use. The EAMR transducer includes a write pole, at least one coil, a waveguide and an output device. The write pole is configured to write to a region of the media. The at least one coil is for energizing the write pole. The waveguide has an input optically coupled to the laser and configured to direct energy from the laser toward the ABS for heating the region of the media. The output device is optically coupled to the waveguide. The output device coupling out a portion of the energy not coupled to the media.

Abstract translation: 一种用于提供与激光器耦合的能量辅助磁记录（EAMR）传感器的方法和系统。 EAMR传感器具有配置成在使用期间驻留在介质附近的空气轴承表面（ABS）。 EAMR传感器包括写极，至少一个线圈，波导和输出装置。 写入极配置为写入介质的一个区域。 至少一个线圈用于激励写入极。 波导具有光学耦合到激光器并被配置为将能量从激光器引向ABS以加热介质区域的输入。 输出装置光耦合到波导。 输出设备耦合出未耦合到介质的能量的一部分。

公开(公告)号：US08576517B1

公开(公告)日：2013-11-05

申请号：US13597091

申请日：2012-08-28

Applicant: Ut Tran ,  Zhigang Bai

Inventor： Ut Tran ,  Zhigang Bai

IPC: G11B5/127

CPC classification number: G11B5/3163 ,  G11B5/1278 ,  G11B5/3116 ,  G11B5/315

Abstract: A magnetic recording transducer is provided. The magnetic recording transducer comprises a main pole including a nose portion, the nose portion terminating at an air-bearing surface (ABS). The magnetic recording transducer further comprises at least one coil having a coil front distal from the ABS, and at least one side shield. The at least one side shield extends from at the ABS to not further than the coil front.

Abstract translation: 提供磁记录传感器。 磁记录传感器包括一个主极，它包括一个鼻部，鼻部终止于空气轴承表面（ABS）。 磁记录传感器还包括至少一个具有远离ABS的线圈前端的线圈和至少一个侧屏蔽。 所述至少一个侧护罩从ABS处延伸到不超过线圈前端。

公开(公告)号：US08456964B1

公开(公告)日：2013-06-04

申请号：US12947085

申请日：2010-11-16

Applicant: Hongxing Yuan ,  Shing Lee ,  Zhong Shi ,  Jinshan Li ,  Ut Tran

Inventor： Hongxing Yuan ,  Shing Lee ,  Zhong Shi ,  Jinshan Li ,  Ut Tran

IPC: G11B11/00

CPC classification number: G11B5/314 ,  G11B5/6088 ,  G11B2005/0021

Abstract: A method and system for providing an EAMR transducer is described. The EAMR transducer is coupled with a laser for providing energy and has an ABS that resides near a media during use. The EAMR transducer includes a write pole, coil(s) that energize the pole, a near field transducer (NFT) proximate to the ABS, a waveguide, and a reflector. The write pole has a back gap region and writes to a region of the media. The NFT focuses the energy onto the media. The waveguide directs the energy from the laser toward the NFT at an incident angle with respect to the ABS. A first portion of the energy reflects off of the ABS at a reflected angle. The reflector receives the first portion of the energy from the ABS and reflects a second portion of the energy toward the ABS. The NFT resides between the waveguide and the reflector.

Abstract translation: 描述了一种用于提供EAMR换能器的方法和系统。 EAMR传感器与用于提供能量的激光器耦合，并且在使用期间具有驻留在介质附近的ABS。 EAMR传感器包括一个写入极，对极点通电的线圈，靠近ABS的近场传感器（NFT），波导和反射器。 写极具有背隙区域并写入介质的区域。 NFT将能量集中在媒体上。 波导将来自激光器的能量以相对于ABS的入射角向NFT引导。 能量的第一部分以反射角反射离开ABS。 反射器从ABS接收能量的第一部分并将能量的第二部分反射向ABS。 NFT位于波导和反射器之间。

公开(公告)号：US08385158B1

公开(公告)日：2013-02-26

申请号：US12574621

申请日：2009-10-06

Applicant: Yufeng Hu ,  Ut Tran

Inventor： Yufeng Hu ,  Ut Tran

IPC: G11B11/00

CPC classification number: G11B5/3163 ,  G11B5/6088 ,  G11B2005/0021

Abstract: A method and system for fabricating an energy assisted magnetic recording (EAMR) transducer is described. The EAMR transducer has an air-bearing surface (ABS) and a waveguide. The method includes providing a planarized near field transducer (NFT) for the waveguide and forming a sloped surface on the planarized NFT. The sloped surface has a front edge separated from the ABS by a distance. The method and system also include providing a write pole on the sloped surface.

Abstract translation: 描述了用于制造能量辅助磁记录（EAMR）换能器的方法和系统。 EAMR传感器具有空气轴承表面（ABS）和波导。 该方法包括为波导提供平面化近场换能器（NFT），并在平坦化NFT上形成倾斜表面。 倾斜表面具有与ABS分离一定距离的前边缘。 该方法和系统还包括在倾斜表面上提供写极。

公开(公告)号：US08339738B1

公开(公告)日：2012-12-25

申请号：US13528007

申请日：2012-06-20

Applicant: Ut Tran ,  Zhigang Bai

Inventor： Ut Tran ,  Zhigang Bai

IPC: G11B5/127

CPC classification number: G11B5/3116 ,  G11B5/1278 ,  G11B5/3163

Abstract: A method for fabricating a magnetic transducer having an air-bearing surface (ABS) is provided. The method comprises providing an underlayer, and providing a main pole residing on the underlayer and having a front and a rear. The step of providing a main pole further includes providing a first portion having a first magnetic moment, the first portion having a front face at the ABS and terminating between the ABS and the rear of the main pole, and providing a second portion having a second magnetic moment. A part of the second portion resides on the first portion, and 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.

Abstract translation: 提供一种制造具有空气轴承表面（ABS）的磁换能器的方法。 该方法包括提供底层，并提供驻留在底层上并具有前后的主极。 提供主极的步骤还包括提供具有第一磁矩的第一部分，第一部分在ABS处具有前表面并终止于ABS和主极的后部之间，并且提供具有第二磁体的第二部分 磁力矩 第二部分的一部分位于第一部分上，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。

公开(公告)号：US08166631B1

公开(公告)日：2012-05-01

申请号：US12199624

申请日：2008-08-27

Applicant: Ut Tran ,  Zhigang Bai ,  Kevin K. Lin

Inventor： Ut Tran ,  Zhigang Bai ,  Kevin K. Lin

IPC: G11B5/17 ,  H04R31/00

CPC classification number: G11B5/315 ,  G11B5/1278 ,  G11B5/3116 ,  G11B5/3163 ,  Y10T29/49043 ,  Y10T29/49044 ,  Y10T29/49046 ,  Y10T29/49048 ,  Y10T29/49052

Abstract: A method provides a magnetic transducer that includes an underlayer and a nonmagnetic layer on the underlayer. The method includes providing a plurality of trenches in the nonmagnetic layer. A first trench of corresponds to a main pole, while at least one side trench corresponds to at least one side shield. The method also includes providing mask covering the side trench(es) and providing the main pole. At least a portion of the main pole resides in the first trench. The method also includes removing at least a portion of the nonmagnetic layer residing between the side trench(es) and the main pole. The method also includes providing at least one side shield. The shield(s) extend from at least an air-bearing surface location to not further than a coil front location.

Abstract translation: 一种方法提供一种磁传感器，其包括底层上的底层和非磁性层。 该方法包括在非磁性层中提供多个沟槽。 第一沟槽对应于主极，而至少一个侧沟槽对应于至少一个侧屏蔽。 该方法还包括提供覆盖侧沟槽并提供主极的掩模。 主极的至少一部分位于第一沟槽中。 该方法还包括去除位于侧沟槽和主极之间的非磁性层的至少一部分。 该方法还包括提供至少一个侧屏蔽。 屏蔽件至少从空气轴承表面位置延伸到不超过线圈前部位置。

公开(公告)号：US20080279236A1

公开(公告)日：2008-11-13

申请号：US12176758

申请日：2008-07-21

Applicant: Achintya K. Bhowmik ,  Nagesh K. Vodrahalli ,  Gennady Farber ,  Hai-Feng Liu ,  Hamid Eslampour ,  Ut Tran ,  William B. Wong ,  Ruolin Li ,  Jesper Arentoft Jayaswal

Inventor： Achintya K. Bhowmik ,  Nagesh K. Vodrahalli ,  Gennady Farber ,  Hai-Feng Liu ,  Hamid Eslampour ,  Ut Tran ,  William B. Wong ,  Ruolin Li ,  Jesper Arentoft Jayaswal

IPC: H01S3/13

CPC classification number: H01S5/141 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01S5/02248 ,  H01S5/0268 ,  H01S5/0683 ,  H01S5/4062 ,  H01S5/4087 ,  H01L2924/00014

Abstract: Embodiments of an optical detection apparatus are disclosed which may include one or more of a waveguide, a trench formed in the waveguide, a reflective surface, and a photodetector. The waveguide may be formed in a semiconductor substrate to propagate an optical signal received at a first end of the waveguide. The trench may also be formed in the waveguide having a first sidewall and a second sidewall, the first and second sidewalls forming first and second angles with the waveguide's propagation direction. The second sidewall may include a reflective surface formed thereon. The photodetector may be configured to receive an optical signal propagated in the waveguide, through the first sidewall and reflected from the reflective surface on the second sidewall.

Abstract translation: 公开了一种光学检测装置的实施例，其可以包括波导，在波导中形成的沟槽，反射表面和光电检测器中的一个或多个。 波导可以形成在半导体衬底中，以传播在波导的第一端处接收的光信号。 沟槽也可以形成在具有第一侧壁和第二侧壁的波导中，第一和第二侧壁与波导的传播方向形成第一和第二角度。 第二侧壁可以包括形成在其上的反射表面。 光电检测器可以被配置为接收在波导中传播的光信号，通过第一侧壁并从第二侧壁上的反射表面反射。

公开(公告)号：US07401986B2

公开(公告)日：2008-07-22

申请号：US11497954

申请日：2006-08-01

Applicant: Achintya K. Bhowmik ,  Nagesh K. Vodrahalli ,  Gennady Farber ,  Hai-Feng Liu ,  Hamid Eslampour ,  Ut Tran ,  William B. Wong ,  Ruolin Li ,  Jesper Jayaswal-Arentoft

Inventor： Achintya K. Bhowmik ,  Nagesh K. Vodrahalli ,  Gennady Farber ,  Hai-Feng Liu ,  Hamid Eslampour ,  Ut Tran ,  William B. Wong ,  Ruolin Li ,  Jesper Jayaswal-Arentoft

IPC: G02B6/36 ,  H01S3/13

CPC classification number: H01S5/141 ,  H01L2224/48091 ,  H01L2224/73265 ,  H01S5/02248 ,  H01S5/0268 ,  H01S5/0683 ,  H01S5/4062 ,  H01S5/4087 ,  H01L2924/00014

Abstract: Embodiments of an optical detection apparatus are disclosed which may include one or more of a waveguide, a trench formed in the waveguide, a reflective surface, and a photodetector. The waveguide may be formed in a semiconductor substrate to propagate an optical signal received at a first end of the waveguide. The trench may also be formed in the waveguide having a first sidewall and a second sidewall, the first and second sidewalls forming first and second angles with the waveguide's propagation direction. The second sidewall may include a reflective surface formed thereon. The photodetector may be configured to receive an optical signal propagated in the waveguide, through the first sidewall and reflected from the reflective surface on the second sidewall.

Abstract translation: 公开了一种光学检测装置的实施例，其可以包括波导，在波导中形成的沟槽，反射表面和光电检测器中的一个或多个。 波导可以形成在半导体衬底中，以传播在波导的第一端处接收的光信号。 沟槽也可以形成在具有第一侧壁和第二侧壁的波导中，第一和第二侧壁与波导的传播方向形成第一和第二角度。 第二侧壁可以包括形成在其上的反射表面。 光电检测器可以被配置为接收在波导中传播的光信号，通过第一侧壁并从第二侧壁上的反射表面反射。

公开(公告)号：US07260296B2

公开(公告)日：2007-08-21

申请号：US11392018

申请日：2006-03-29

Applicant: Ut Tran ,  Hamid R. Eslampour

Inventor： Ut Tran ,  Hamid R. Eslampour

IPC: G02B6/26 ,  G02B6/12

CPC classification number: G02B6/4232 ,  G02B6/422 ,  G02B6/4227 ,  G02B6/423 ,  H01S5/0224 ,  H01S5/02268 ,  H01S5/02272

Abstract: Optical components may be precisely positioned in three dimensions with respect to one another. A bonder which has the ability to precisely position the components in two dimensions can be utilized. The components may be equipped with contacts at different heights so that as the components come together in a third dimension, their relative positions can be sensed. This information may be fed back to the bonder to control the precise alignment in the third dimension.

Abstract translation: 光学部件可以相对于彼此精确地定位在三维空间中。 可以利用具有将二次元件精确定位的能力的接合器。 组件可以配备有不同高度的触点，使得当组件在第三维度中组合时，可以感测它们的相对位置。 该信息可以反馈到接合器以控制第三维度中的精确对准。

公开(公告)号：US20070041691A1

公开(公告)日：2007-02-22

申请号：US11586790

申请日：2006-10-26

Applicant: Ut Tran ,  David Deacon ,  Shing Lee

Inventor： Ut Tran ,  David Deacon ,  Shing Lee

IPC: G02B6/10

CPC classification number: G02B6/136 ,  G02B6/1221 ,  G02B2006/12097 ,  G02B2006/12176

Abstract: 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.

Abstract translation: 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。