公开(公告)号：US09721593B2

公开(公告)日：2017-08-01

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: G11B11/00 ,  G11B5/02 ,  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：US09251820B2

公开(公告)日：2016-02-02

申请号：US14720162

申请日：2015-05-22

Applicant: Seagate Technology LLC

Inventor： Tong Zhao ,  John C. Duda ,  Michael Christopher Kautzky

IPC: G11B11/00 ,  G11B5/48 ,  G11B5/31 ,  G11B13/08 ,  G11B5/187 ,  G11B5/127 ,  G11B5/60 ,  G11B5/00

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: Apparatuses, systems, and methods are disclosed related to heat assisted magnetic recording. According to one embodiment, an apparatus that includes a heat sink region and a near field transducer region is disclosed. The near field transducer region is thermally coupled to the heat sink region. At least one of the heat sink region and the near field transducer region includes both an inner core and an outer shell. The inner core can be comprised of a non-plasmonic material and the outer shell can be comprised of a plasmonic material. In further embodiments, the inner core is comprised of a material having a relatively higher electron-phonon coupling constant and the outer shell is comprised of a material having a relatively lower electron-phonon coupling constant.

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。

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：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：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：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：US09064515B2

公开(公告)日：2015-06-23

申请号：US14286279

申请日：2014-05-23

Applicant: Seagate Technology LLC

Inventor： Tong Zhao ,  John C. Duda ,  Michael Christopher Kautzky

IPC: G11B11/00 ,  G11B5/48 ,  G11B5/31 ,  G11B13/08 ,  G11B5/187 ,  G11B5/127 ,  G11B5/60 ,  G11B5/00

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: Apparatuses, systems, and methods are disclosed related to heat assisted magnetic recording. According to one embodiment, an apparatus that includes a heat sink region and a near field transducer region is disclosed. The near field transducer region is thermally coupled to the heat sink region. At least one of the heat sink region and the near field transducer region includes both an inner core and an outer shell. The inner core can be comprised of a non-plasmonic material and the outer shell can be comprised of a plasmonic material. In further embodiments, the inner core is comprised of a material having a relatively higher electron-phonon coupling constant and the outer shell is comprised of a material having a relatively lower electron-phonon coupling constant.

Abstract translation: 公开了与热辅助磁记录相关的装置，系统和方法。 根据一个实施例，公开了一种包括散热片区域和近场换能器区域的装置。 近场换能器区域热耦合到散热片区域。 散热片区域和近场传感器区域中的至少一个包括内核和外壳两者。 内核可以由非等离子体激元材料组成，外壳可以由等离子体激元材料构成。 在另外的实施例中，内芯由具有相对较高的电子 - 声子耦合常数的材料构成，并且外壳由具有较低电子 - 声子耦合常数的材料组成。

公开(公告)号：US20140376344A1

公开(公告)日：2014-12-25

申请号：US14286279

申请日：2014-05-23

Applicant: Seagate Technology LLC

Inventor： Tong Zhao ,  John C. Duda ,  Michael Christopher Kautzky

IPC: G11B5/48 ,  G11B5/127

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: Apparatuses, systems, and methods are disclosed related to heat assisted magnetic recording. According to one embodiment, an apparatus that includes a heat sink region and a near field transducer region is disclosed. The near field transducer region is thermally coupled to the heat sink region. At least one of the heat sink region and the near field transducer region includes both an inner core and an outer shell. The inner core can be comprised of a non-plasmonic material and the outer shell can be comprised of a plasmonic material. In further embodiments, the inner core is comprised of a material having a relatively higher electron-phonon coupling constant and the outer shell is comprised of a material having a relatively lower electron-phonon coupling constant.

Abstract translation: 公开了与热辅助磁记录相关的装置，系统和方法。 根据一个实施例，公开了一种包括散热片区域和近场换能器区域的装置。 近场换能器区域热耦合到散热片区域。 散热片区域和近场传感器区域中的至少一个包括内核和外壳两者。 内核可以由非等离子体激元材料组成，外壳可以由等离子体激元材料构成。 在另外的实施例中，内芯由具有相对较高的电子 - 声子耦合常数的材料构成，并且外壳由具有较低电子 - 声子耦合常数的材料组成。

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.