公开(公告)号：US20150071045A1

公开(公告)日：2015-03-12

申请号：US14546767

申请日：2014-11-18

Applicant: Seagate Technology LLC

Inventor： Hua Zhou ,  Yongjun Zhao ,  Chris Rea ,  Werner Scholz ,  James G. Wessel

IPC: G11B5/60 ,  G11B5/127 ,  G11B5/31 ,  G11B5/48 ,  G11B5/187

CPC classification number: G11B5/6082 ,  G11B5/1272 ,  G11B5/187 ,  G11B5/31 ,  G11B5/3116 ,  G11B5/3136 ,  G11B5/314 ,  G11B5/4866 ,  G11B5/84 ,  G11B13/08 ,  G11B2005/0021

Abstract: An apparatus includes a waveguide and a near-field transducer adjacent the waveguide. The near-field transducer includes an enlarged region and a peg region extending from the enlarged region towards an air bearing surface. A write pole is adjacent the near-field transducer and include a first portion having an edge extending towards the air bearing surface at a non-orthogonal angle with respect to the air bearing surface. A second portion of the write pole extends orthogonally to the air bearing surface and is in contact with the first portion. The apparatus includes an insulator-filled gap at the air bearing surface between the second portion of the write pole and the peg region of the near-field transducer. The gap is bounded away from the air bearing surface by the enlarged region of the near-field transducer.

Abstract translation: 一种装置包括波导和邻近波导的近场换能器。 近场换能器包括从扩大区域向空气轴承表面延伸的扩大区域和钉区域。 写极与邻近的换能器相邻并且包括第一部分，该第一部分具有相对于空气支承表面以非正交角度朝着空气支承表面延伸的边缘。 写磁极的第二部分垂直于空气轴承表面延伸并与第一部分接触。 该装置包括在写极的第二部分和近场换能器的钉区之间的空气支承表面处的绝缘体填充间隙。 间隙通过近场换能器的放大区域与空气轴承表面隔开。

公开(公告)号：US20150036467A1

公开(公告)日：2015-02-05

申请号：US13973054

申请日：2013-08-22

Applicant: Seagate Technology LLC

Inventor： Douglas Cole ,  Lijuan Zhong ,  Roger Lee Hipwell, JR. ,  Joseph Michael Stephan ,  Scott Eugene Olson ,  Tanya Jegeris Snyder ,  Yongjun Zhao

IPC: G11B5/48 ,  H01S5/022

CPC classification number: G11B5/4866 ,  G02B6/12004 ,  G11B5/105 ,  G11B2005/0021 ,  H01L2224/16225 ,  H01L2224/73253 ,  H01S5/02208 ,  H01S5/02228 ,  H01S5/02252 ,  H01S5/02256 ,  H01S5/02268 ,  H01S5/02272

Abstract: An apparatus includes a slider with a cavity in a trailing end of the slider. A laser is positioned in the cavity and has an output facet positioned adjacent to a first wall of the cavity. A cap is connected to the trailing end of the slider and covers the laser.

Abstract translation: 一种装置包括滑块，该滑块在滑块的后端具有空腔。 激光器定位在空腔中并且具有邻近腔体的第一壁定位的输出小面。 盖子连接到滑块的尾端并覆盖激光器。

公开(公告)号：US20140376345A1

公开(公告)日：2014-12-25

申请号：US14313197

申请日：2014-06-24

Applicant: Seagate Technology LLC

Inventor： David C. Seets ,  Yongjun Zhao ,  Mark Ostrowski

IPC: G11B5/187 ,  G11B5/48

CPC classification number: G11B5/4866 ,  G11B5/127 ,  G11B5/1278 ,  G11B5/187 ,  G11B5/1871 ,  G11B5/3133 ,  G11B5/314 ,  G11B5/3163 ,  G11B5/6088 ,  G11B13/08 ,  G11B2005/0021 ,  Y10T29/49025 ,  Y10T29/49032

Abstract: A method fabricating a near field transducer for a heat assisted magnetic recording head including forming a peg region of a near field transducer along a first portion of a substrate of a heat assisted magnetic recording head, removing a first portion of the peg region, fabricating a barrier material along a surface of the peg region created by the removal of the first portion of the peg region; and forming an enlarged region adjacent the surface such that the barrier material is disposed at least between the surface of the peg region and the enlarged region.

Abstract translation: 一种制造用于热辅助磁记录头的近场换能器的方法，包括沿着热辅助磁记录头的基底的第一部分形成近场换能器的钉区，去除钉区的第一部分， 通过去除所述钉区域的第一部分而产生的沿着所述钉带区域的表面的阻挡材料; 并且形成邻近所述表面的扩大区域，使得所述阻挡材料至少设置在所述钉区域的表面和所述扩大区域之间。

公开(公告)号：US11456008B2

公开(公告)日：2022-09-27

申请号：US16291465

申请日：2019-03-04

Applicant: Seagate Technology LLC

Inventor： Anusha Natarajarathinam ,  Yongjun Zhao ,  Hui Brickner ,  Dongsung Hong

IPC: G11B5/127 ,  G11B5/105 ,  G11B5/31 ,  G11B5/40 ,  G11B5/00

Abstract: A method involves depositing a near-field transducer on a substrate of a slider. The near-field transducer comprises a plate-like enlarged portion and a peg portion. A first hard stop extending from the near field transducer and an air bearing surface is formed. A heat sink is formed on the enlarged portion and the first hard stop. A dielectric material is deposited over the near-field transducer and the heat sink. A second hard stop is deposited on the dielectric material away from the air bearing surface. The second hard stop comprises a recess corresponding in size and location to the heat sink. The method involves milling at an oblique angle to the substrate between the first hard stop and second hard stop to cut through the heat sink at the angle. The recess of the second hard stop increases a milling rate over the heat sink compared to a second milling rate of the dielectric away from the heat sink.

公开(公告)号：US11015256B2

公开(公告)日：2021-05-25

申请号：US16160671

申请日：2018-10-15

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Lien Lee ,  Jie Gong ,  Venkatram Venkatasamy ,  Yongjun Zhao ,  Lijuan Zou ,  Dongsung Hong ,  Ibro Tabakovic ,  Mark Ostrowski

IPC: C25D5/02 ,  C25D7/00 ,  C25D5/10 ,  C25D1/00

Abstract: Methods of forming near field transducers (NFTs) including electrodepositing a plasmonic material.

公开(公告)号：US10832717B1

公开(公告)日：2020-11-10

申请号：US16525918

申请日：2019-07-30

Applicant: Seagate Technology LLC

Inventor： Yuhang Cheng ,  Nan Zhou ,  Yongjun Zhao ,  Huaqing Yin ,  Weibin Chen ,  Michael Allen Seigler

IPC: G11B5/09 ,  G11B5/60 ,  G11B5/31 ,  G11B5/00

Abstract: A near-field transducer has an enlarged portion with a layer of soft plasmonic material. A peg formed of a thermally robust plasmonic material includes an embedded part that is partially embedded within the enlarged portion and has an exposed surface facing away from the enlarged portion. An intersection between a lower edge of the enlarged portion and the embedded part has a discontinuity.

公开(公告)号：US20190198046A1

公开(公告)日：2019-06-27

申请号：US16291465

申请日：2019-03-04

Applicant: Seagate Technology LLC

Inventor： Anusha Natarajarathinam ,  Yongjun Zhao ,  Hui Brickner ,  Dongsung Hong

IPC: G11B5/127 ,  G11B5/40 ,  G11B5/31 ,  G11B5/105

CPC classification number: G11B5/1272 ,  G11B5/105 ,  G11B5/3136 ,  G11B5/3163 ,  G11B5/40 ,  G11B2005/0021

Abstract: A method involves depositing a near-field transducer on a substrate of a slider. The near-field transducer comprises a plate-like enlarged portion and a peg portion. A first hard stop extending from the near field transducer and an air bearing surface is formed. A heat sink is formed on the enlarged portion and the first hard stop. A dielectric material is deposited over the near-field transducer and the heat sink. A second hard stop is deposited on the dielectric material away from the air bearing surface. The second hard stop comprises a recess corresponding in size and location to the heat sink. The method involves milling at an oblique angle to the substrate between the first hard stop and second hard stop to cut through the heat sink at the angle. The recess of the second hard stop increases a milling rate over the heat sink compared to a second milling rate of the dielectric away from the heat sink.

公开(公告)号：US10224064B2

公开(公告)日：2019-03-05

申请号：US14987058

申请日：2016-01-04

Applicant: Seagate Technology LLC

Inventor： Anusha Natarajarathinam ,  Yongjun Zhao ,  Hui Brickner ,  Dongsung Hong

IPC: G11B5/127 ,  G11B5/105 ,  G11B5/31 ,  G11B5/40 ,  G11B5/00

Abstract: A method involves depositing a near-field transducer on a substrate of a slider. The near-field transducer comprises a plate-like enlarged portion and a peg portion. A first hard stop extending from the near field transducer and an air bearing surface is formed. A heat sink is formed on the enlarged portion and the first hard stop. A dielectric material is deposited over the near-field transducer and the heat sink. A second hard stop is deposited on the dielectric material away from the air bearing surface. The second hard stop comprises a recess corresponding in size and location to the heat sink. The method involves milling at an oblique angle to the substrate between the first hard stop and second hard stop to cut through the heat sink at the angle. The recess of the second hard stop increases a milling rate over the heat sink compared to a second milling rate of the dielectric away from the heat sink.

公开(公告)号：US20180075872A1

公开(公告)日：2018-03-15

申请号：US15817511

申请日：2017-11-20

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Martin Blaber ,  Jie Gong ,  Dimitar Dimitrov ,  Steve Riemer ,  Michael Kautzky ,  Tong Zhao ,  Yongjun Zhao

IPC: G11B5/60 ,  G11B5/31 ,  G11B5/00

CPC classification number: G11B5/6088 ,  G11B5/314 ,  G11B5/3163 ,  G11B2005/0021

Abstract: Devices having an air bearing surfaces (ABS), the devices including a near field transducer (NFT) that includes a disc having a front edge; a peg, the peg having a front surface at the air bearing surface of the apparatus, an opposing back surface, a top surface that extends from the front surface to the back surface, two side surfaces that expend from the front surface to the back surface and a bottom surface that extends from the front surface to the back surface; and a barrier layer, the barrier layer separating at least the back surface of the peg from the disc and the barrier layer having a thickness from 10 nm to 50 nm.

公开(公告)号：US09355662B2

公开(公告)日：2016-05-31

申请号：US14728140

申请日：2015-06-02

Applicant: Seagate Technology LLC

Inventor： Chubing Peng ,  Yongjun Zhao

IPC: G02B6/00 ,  G11B5/48 ,  G11B5/31 ,  G02B6/126 ,  G02B6/27 ,  G11B5/00

CPC classification number: G11B5/4866 ,  G02B6/126 ,  G02B6/2726 ,  G02B6/274 ,  G11B5/314 ,  G11B2005/0021

Abstract: A polarization rotator for a recording head. The polarization rotator comprises a first waveguide coupled to an input coupler at a first end and a second waveguide. The first waveguide is offset from the second waveguide and a second end of the first waveguide is coupled to a second end of the second waveguide.

Abstract translation: 一种用于记录头的偏振旋转器。 偏振旋转器包括在第一端和第二波导处耦合到输入耦合器的第一波导。 第一波导偏离第二波导，并且第一波导的第二端耦合到第二波导的第二端。