公开(公告)号：US20160351210A1

公开(公告)日：2016-12-01

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: G11B5/31 ,  G11B5/60

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.

Abstract translation: 具有空气轴承表面（ABS）的装置，该装置包括近场传感器（NFT），其包括被配置为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激元耦合到相邻的磁存储介质中，其中所述盘包括包括金或其合金的盘材料，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 并且其中所述栓材料具有不大于金的介电常数的实部。

公开(公告)号：US10311906B2

公开(公告)日：2019-06-04

申请号：US15817511

申请日：2017-11-20

Applicant: SEAGATE TECHNOLOGY LLC

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

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

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：US10037771B2

公开(公告)日：2018-07-31

申请号：US15664189

申请日：2017-07-31

Applicant: SEAGATE TECHNOLOGY LLC

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

IPC: G11B5/02 ,  G11B11/00 ,  G11B5/31 ,  G11B5/00

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.

公开(公告)号：US20180053520A1

公开(公告)日：2018-02-22

申请号：US15783164

申请日：2017-10-13

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Sarbeswar Sahoo ,  Martin Blaber ,  Hui Brickner ,  Tong Zhao ,  Yuhang Cheng ,  John Duda ,  Tae-Woo Lee

IPC: G11B5/31 ,  G11B5/60 ,  G11B5/00

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

Abstract: Devices having an air bearing surface (ABS), the devices including a write pole; a near field transducer (NFT) that includes a peg and a disc, wherein the peg is at the ABS of the device; a heat sink positioned adjacent the disc of the NFT; a dielectric gap positioned adjacent the peg of the NFT at the ABS of the device; and a conformal diffusion barrier layer positioned between the write pole and the dielectric gap, the disc, and the heat sink, wherein the conformal diffusion barrier layer forms at least one angle that is not greater than 135°.

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：US09792931B2

公开(公告)日：2017-10-17

申请号：US15060914

申请日：2016-03-04

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Sarbeswar Sahoo ,  Martin Blaber ,  Hui Brickner ,  Tong Zhao ,  Yuhang Cheng ,  John Duda ,  Tae-Woo Lee

IPC: G11B11/00 ,  G11B5/31 ,  G11B5/60 ,  G11B5/00

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

Abstract: Devices having an air bearing surface (ABS), the devices including a write pole; a near field transducer (NFT) that includes a peg and a disc, wherein the peg is at the ABS of the device; a heat sink positioned adjacent the disc of the NFT; a dielectric gap positioned adjacent the peg of the NFT at the ABS of the device; and a conformal diffusion barrier layer positioned between the write pole and the dielectric gap, the disc, and the heat sink, wherein the conformal diffusion barrier layer forms at least one angle that is not greater than 135°.

公开(公告)号：US20160351209A1

公开(公告)日：2016-12-01

申请号：US15163035

申请日：2016-05-24

Applicant: Seagate Technology LLC

Inventor： Weibin Chen ,  Martin Blaber ,  Tong Zhao ,  Michael Christopher Kautzky ,  John Charles Duda

IPC: G11B5/31

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

Abstract: A near-field transducer includes first and second stacked base portions having a common outline shape. The second base portion is proximate alight delivery structure. A peg extends from the first base portion towards a media-facing surface. The peg includes a material that is more thermally robust than a plasmonic material of the base portion. The peg has a peg thickness that is less than a thickness of the first base portion. The first base portion has a first recess proximate the peg. The first recess separates the first base portion from the media-facing surface and exposes at least a top side of the peg.

Abstract translation: 近场换能器包括具有共同轮廓形状的第一和第二堆叠基部。 第二基部是靠近的输送结构。 钉从第一基部向面向介质的表面延伸。 钉子包括比基部的等离子体激元材料更耐热的材料。 钉具有小于第一基部的厚度的钉厚度。 第一基部具有靠近钉的第一凹部。 第一凹部将第一基部与面向介质的表面分开，并且至少暴露出钉的顶侧。

公开(公告)号：US20210201942A1

公开(公告)日：2021-07-01

申请号：US16731526

申请日：2019-12-31

Applicant: Seagate Technology LLC

Inventor： Tong Zhao ,  Martin Blaber ,  Li Wan

IPC: G11B5/39 ,  C22C5/04 ,  G11B5/48

Abstract: Heat assisted magnetic recording (HAMR) devices that includes a near field transducer, the near field transducer including alloys of a first element selected from: platinum (Pt), palladium (Pd), rhodium (Rh), iridium (Ir), ruthenium (Ru), and osmium (Os); and a second element selected from; hafnium (Hf), niobium (Nb), tantalum (Ta), titanium (Ti), vanadium (V), and zirconium (Zr).

公开(公告)号：US10431244B2

公开(公告)日：2019-10-01

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: G11B5/09 ,  G11B5/31 ,  G11B5/00

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：US20190164570A1

公开(公告)日：2019-05-30

申请号：US16260910

申请日：2019-01-29

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Sarbeswar Sahoo ,  Martin Blaber ,  Hui Brickner ,  Tong Zhao ,  Yuhang Cheng ,  John Duda ,  Tae-Woo Lee

IPC: G11B5/31 ,  G11B5/60

Abstract: Devices having an air bearing surface (ABS), the devices including a write pole; a near field transducer (NFT) that includes a peg and a disc, wherein the peg is at the ABS of the device; a heat sink positioned adjacent the disc of the NFT; a dielectric gap positioned adjacent the peg of the NFT at the ABS of the device; and a conformal diffusion barrier layer positioned between the write pole and the dielectric gap, the disc, and the heat sink, wherein the conformal diffusion barrier layer forms at least one angle that is not greater than 135°.