公开(公告)号：US09865283B2

公开(公告)日：2018-01-09

申请号：US15166765

申请日：2016-05-27

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Martin Blaber ,  Tong Zhao ,  Michael C. Kautzky ,  Justin Brons ,  John C. Duda ,  Yuhang Cheng ,  Michael A. Seigler

IPC: G11B11/00 ,  G11B5/31 ,  G11B5/00

CPC classification number: G11B5/314 ,  G11B5/3116 ,  G11B5/3133 ,  G11B2005/0021

Abstract: Devices that have an air bearing surface (ABS), the device includes a near field transducer (NFT) that includes a disc configured to convert photons incident thereon into plasmons; and a peg configured to couple plasmons coupled from the disc into an adjacent magnetic storage medium, wherein the disc includes a disc material that includes gold or an alloy thereof and the peg includes a peg material, wherein the disc material is different from the peg material and wherein the peg material has a real part of the permittivity that is not greater than that of gold.

公开(公告)号：US20150017482A1

公开(公告)日：2015-01-15

申请号：US14055799

申请日：2013-10-16

Applicant: Seagate Technology LLC

Inventor： Kim Y. Lee ,  Ganping Ju ,  Chubing Peng ,  Xiaobin Zhu ,  Yingguo Peng ,  Yukiko A. Kubota ,  Timothy J. Klemmer ,  Jan-Ulrich Thiele ,  Michael A. Seigler ,  Werner Scholz ,  David S. Kuo ,  Koichi Wago ,  Thomas P. Nolan

IPC: G11B5/72 ,  G11B5/74 ,  G11B5/84

CPC classification number: G11B5/746 ,  G11B5/855

Abstract: The embodiments disclose a plasmonic cladding structure including at least one conformal plasmonic cladding structure wrapped around plural stack features of a recording device, wherein the conformal plasmonic cladding structure is configured to create a near-field transducer in close proximity to a recording head of the recording device, at least one conformal plasmonic cladding structure with substantially removed top surfaces of the stack features with exposed magnetic layer materials and a thermally insulating filler configured to be located between the stack features.

Abstract translation: 这些实施例公开了一种等离子体激元包层结构，其包括缠绕在记录装置的多个堆叠特征上的至少一个共形等离子体激元包层结构，其中该共形等离子体激元包层结构被配置为在接近记录头的记录头处产生近场换能器 至少一个保形等离子体激元包层结构，其具有暴露的磁性层材料的堆叠特征的基本上去除的顶表面，以及被配置为位于堆叠特征之间的隔热填料。

公开(公告)号：US20140177405A1

公开(公告)日：2014-06-26

申请号：US13790022

申请日：2013-03-08

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Edwin Frank Rejda ,  Joseph Michael Stephan ,  The Ngoc Nguyen ,  Neil Zuckerman ,  Gary J. Kunkel ,  Douglas H. Cole ,  Michael A. Seigler ,  Chris Rea

IPC: G11B5/40

CPC classification number: G11B5/40 ,  G11B5/102 ,  G11B5/255 ,  G11B5/3103 ,  G11B5/3106 ,  G11B5/3133 ,  G11B5/6005 ,  G11B5/6082 ,  G11B5/62 ,  G11B5/65 ,  G11B5/72 ,  G11B5/8404 ,  G11B2005/0021

Abstract: A magnetic device including: a magnetic reader; a magnetic writer; and a variable overcoat, the variable overcoat positioned over at least the magnetic reader and writer, the variable overcoat having an overcoat layer, the overcoat layer having a substantially constant thickness and material; and at least one disparate overcoat portion, the disparate overcoat portion having a different thickness, a different material, or both, than the overcoat layer.

Abstract translation: 一种磁性装置，包括：磁性读取器; 磁性作家 和可变外涂层，可变外涂层位于至少磁读取器和写入器之上，可变外涂层具有外涂层，外涂层具有基本上恒定的厚度和材料; 和至少一个不同的外涂层部分，不同的外涂层部分具有与外涂层不同的厚度，不同的材料或两者。

公开(公告)号：US20220415354A1

公开(公告)日：2022-12-29

申请号：US17807260

申请日：2022-06-16

Applicant: Seagate Technology LLC

Inventor： Yuhang Cheng ,  Tae-Woo Lee ,  Michael A. Seigler ,  Yang Wu

IPC: G11B13/08 ,  G11B5/60 ,  G11B5/31

Abstract: A heat-assisted magnetic recording head includes a near-field transducer (NFT). The NFT includes a near-field emitter configured to heat a surface of a magnetic disk, and a plasmonic disk. The plasmonic disk is coupled to the near-field emitter and includes rhodium or iridium.

公开(公告)号：US20180144765A1

公开(公告)日：2018-05-24

申请号：US15864480

申请日：2018-01-08

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Martin Blaber ,  Tong Zhao ,  Michael C. Kautzky ,  Justin Brons ,  John C. Duda ,  Yuhang Cheng ,  Michael A. Seigler

IPC: G11B5/31 ,  G11B5/00

CPC classification number: G11B5/314 ,  G11B5/3116 ,  G11B5/3133 ,  G11B2005/0021

Abstract: Devices that have an air bearing surface (ABS), the device includes a near field transducer (NFT) that includes a disc configured to convert photons incident thereon into plasmons; and a peg configured to couple plasmons coupled from the disc into an adjacent magnetic storage medium, wherein the disc includes a disc material that includes gold or an alloy thereof and the peg includes a peg material, wherein the disc material is different from the peg material and wherein the peg material has a real part of the permittivity that is not greater than that of gold.

公开(公告)号：US20180040341A1

公开(公告)日：2018-02-08

申请号：US15783178

申请日：2017-10-13

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Edwin Frank Rejda ,  Joseph Michael Stephan ,  The Ngoc Nguyen ,  Neil Zuckerman ,  Gary J. Kunkel ,  Douglas H. Cole ,  Michael A. Seigler ,  Chris Rea

IPC: G11B5/40 ,  G11B5/84 ,  G11B5/72 ,  G11B5/31 ,  G11B5/10 ,  G11B5/60 ,  G11B5/62 ,  G11B5/255 ,  G11B5/65 ,  G11B5/00

CPC classification number: G11B5/40 ,  G11B5/102 ,  G11B5/255 ,  G11B5/3103 ,  G11B5/3106 ,  G11B5/3133 ,  G11B5/6005 ,  G11B5/6082 ,  G11B5/62 ,  G11B5/65 ,  G11B5/72 ,  G11B5/8404 ,  G11B2005/0021

Abstract: A magnetic device including: a magnetic reader; a magnetic writer; and a variable overcoat, the variable overcoat positioned over at least the magnetic reader and writer, the variable overcoat having an overcoat layer, the overcoat layer having a substantially constant thickness and material; and at least one disparate overcoat portion, the disparate overcoat portion having a different thickness, a different material, or both, than the overcoat layer.

公开(公告)号：US09792935B2

公开(公告)日：2017-10-17

申请号：US13790022

申请日：2013-03-08

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Edwin Frank Rejda ,  Joseph Michael Stephan ,  The Ngoc Nguyen ,  Neil Zuckerman ,  Gary J. Kunkel ,  Douglas H. Cole ,  Michael A. Seigler ,  Chris Rea

IPC: G11B5/60 ,  G11B5/40 ,  G11B5/85 ,  G11B5/31 ,  G11B5/84 ,  G11B5/72 ,  G11B5/62 ,  G11B5/65 ,  G11B5/10 ,  G11B5/255 ,  G11B5/00

CPC classification number: G11B5/40 ,  G11B5/102 ,  G11B5/255 ,  G11B5/3103 ,  G11B5/3106 ,  G11B5/3133 ,  G11B5/6005 ,  G11B5/6082 ,  G11B5/62 ,  G11B5/65 ,  G11B5/72 ,  G11B5/8404 ,  G11B2005/0021

Abstract: A magnetic device including: a magnetic reader; a magnetic writer; and a variable overcoat, the variable overcoat positioned over at least the magnetic reader and writer, the variable overcoat having an overcoat layer, the overcoat layer having a substantially constant thickness and material; and at least one disparate overcoat portion, the disparate overcoat portion having a different thickness, a different material, or both, than the overcoat layer.

公开(公告)号：US20150016774A1

公开(公告)日：2015-01-15

申请号：US14055773

申请日：2013-10-16

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Ganping Ju ,  Chubing Peng ,  Xiaobin Zhu ,  Yingguo Peng ,  Yukiko A Kubota ,  Timothy J Klemmer ,  Jan-Ulrich Thiele ,  Michael A. Seigler ,  Werner Scholz ,  Kim Y. Lee ,  David S. Kuo ,  Koichi Wago

IPC: G02B6/26 ,  F28F27/00

CPC classification number: G02B6/1226 ,  H01L2924/0002 ,  Y10T29/49 ,  H01L2924/00

Abstract: The embodiments disclose a stack feature of a stack configured to confine optical fields within and to a patterned plasmonic underlayer in the stack configured to guide light from a light source to regulate optical coupling.

Abstract translation: 实施例公开了一种堆叠的堆叠特征，其被配置为将光场限制在堆叠中的图案化等离子体激元底层内，其被配置成引导来自光源的光以调节光耦合。

公开(公告)号：US20240096369A1

公开(公告)日：2024-03-21

申请号：US18523005

申请日：2023-11-29

Applicant: Seagate Technology LLC

Inventor： Yuhang Cheng ,  Tae-Woo Lee ,  Michael A. Seigler ,  Yang Wu

IPC: G11B13/08 ,  G11B5/31 ,  G11B5/48 ,  G11B5/60

CPC classification number: G11B13/08 ,  G11B5/314 ,  G11B5/4866 ,  G11B5/6088 ,  G11B2005/0021

Abstract: A heat-assisted magnetic recording head comprises a near-field transducer (NFT). The NFT comprises a near-field emitter configured to heat a surface of a magnetic disk, and a hybrid plasmonic disk. The hybrid plasmonic disk comprises a plasmonic region and a thermal region. The plasmonic region comprises a first material or alloy that is a plasmonic material or alloy. The thermal region comprises a second material or alloy that is different than the first material or alloy.

公开(公告)号：US20160351222A1

公开(公告)日：2016-12-01

申请号：US15166799

申请日：2016-05-27

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Martin Blaber ,  Michael A. Seigler ,  Michael C. Kautzky ,  Tong Zhao ,  Justin Brons ,  John C. Duda ,  Yuhang Cheng

IPC: G11B5/60

CPC classification number: G11B5/314 ,  G11B5/3116 ,  G11B5/3133 ,  G11B2005/0021

Abstract: Devices having air bearing surfaces (ABS), the devices include a near field transducer (NFT) that includes a disc configured to convert photons incident thereon into plasmons; and a peg configured to couple plasmons coupled from the disc into an adjacent magnetic storage medium, wherein the disc includes a disc material and the peg includes a peg material, wherein the disc material is different from the peg material and wherein the disc material has a first real part of the permittivity and a peg material has a second real part of the permittivity and the second real part of the permittivity is not greater than the first real part of the permittivity.

Abstract translation: 具有空气轴承表面（ABS）的装置包括近场换能器（NFT），其包括被配置成将入射到其上的光子转换成等离子体的光盘; 以及钉构造成将从所述盘耦合的等离子体光束耦合到相邻的磁存储介质中，其中所述盘包括盘材料，并且所述钉包括钉材料，其中所述盘材料与所述钉材料不同，并且其中所述盘材料具有 介电常数的第一个实部和电极材料具有介电常数的第二个实部，并且介电常数的第二个实部不大于介电常数的第一个实部。