KR101553872B1 - 기입 폴 및 니어-필드 트랜스듀서와 함께 사용하기 위한 다중-부분 히트 싱크 - Google Patents

기입 폴 및 니어-필드 트랜스듀서와 함께 사용하기 위한 다중-부분 히트 싱크 Download PDF

Info

Publication number
KR101553872B1
KR101553872B1 KR1020140120274A KR20140120274A KR101553872B1 KR 101553872 B1 KR101553872 B1 KR 101553872B1 KR 1020140120274 A KR1020140120274 A KR 1020140120274A KR 20140120274 A KR20140120274 A KR 20140120274A KR 101553872 B1 KR101553872 B1 KR 101553872B1
Authority
KR
South Korea
Prior art keywords
heat sink
facing surface
sink portion
tip portion
field transducer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
KR1020140120274A
Other languages
English (en)
Korean (ko)
Other versions
KR20150030181A (ko
Inventor
제임스 개리 웨슬
조란 잔드릭
크리스 코테
Original Assignee
시게이트 테크놀로지 엘엘씨
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 시게이트 테크놀로지 엘엘씨 filed Critical 시게이트 테크놀로지 엘엘씨
Publication of KR20150030181A publication Critical patent/KR20150030181A/ko
Application granted granted Critical
Publication of KR101553872B1 publication Critical patent/KR101553872B1/ko
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • G11B5/6088—Optical waveguide in or on flying head
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
    • G11B5/314—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure where the layers are extra layers normally not provided in the transducing structure, e.g. optical layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Magnetic Heads (AREA)
KR1020140120274A 2013-09-11 2014-09-11 기입 폴 및 니어-필드 트랜스듀서와 함께 사용하기 위한 다중-부분 히트 싱크 Expired - Fee Related KR101553872B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/024,329 2013-09-11
US14/024,329 US8923100B1 (en) 2013-09-11 2013-09-11 Multi-portion heat sink for use with write pole and near-field transducer

Publications (2)

Publication Number Publication Date
KR20150030181A KR20150030181A (ko) 2015-03-19
KR101553872B1 true KR101553872B1 (ko) 2015-09-17

Family

ID=52112537

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020140120274A Expired - Fee Related KR101553872B1 (ko) 2013-09-11 2014-09-11 기입 폴 및 니어-필드 트랜스듀서와 함께 사용하기 위한 다중-부분 히트 싱크

Country Status (4)

Country Link
US (1) US8923100B1 (enExample)
JP (1) JP5897672B2 (enExample)
KR (1) KR101553872B1 (enExample)
CN (1) CN104599683B (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9275658B2 (en) 2014-03-13 2016-03-01 Headway Technologies, Inc. Thermally-assisted magnetic recording head including a plasmon generator
US9218827B1 (en) 2014-07-18 2015-12-22 Headway Technologies, Inc. Thermally-assisted magnetic recording head including a return path section
US9218835B1 (en) * 2014-09-02 2015-12-22 Headway Technologies, Inc. Thermally-assisted magnetic recording head including a heat sink
US9552833B2 (en) * 2014-11-11 2017-01-24 Seagate Technology Llc Devices including a multilayer gas barrier layer
US9620150B2 (en) * 2014-11-11 2017-04-11 Seagate Technology Llc Devices including an amorphous gas barrier layer
US9881638B1 (en) * 2014-12-17 2018-01-30 Western Digital (Fremont), Llc Method for providing a near-field transducer (NFT) for a heat assisted magnetic recording (HAMR) device
US9251830B1 (en) * 2015-05-19 2016-02-02 Seagate Technology Llc Waveguide cladding layer with transparent heat sink for heat-assisted magnetic recording device
US9269380B1 (en) 2015-07-10 2016-02-23 Seagate Technology Llc Devices including a near field transducer (NFT), at least one cladding layer and interlayer there between
US10438617B2 (en) * 2016-12-05 2019-10-08 Western Digital Technologies, Inc. Heat assisted magnetic data recording head with heat sink
US10192577B1 (en) * 2016-12-08 2019-01-29 Seagate Technology Llc Write pole coating layer
US10482907B1 (en) 2018-09-27 2019-11-19 Western Digital Technologies, Inc. Methods of protecting write pole from corrosion in HAMR head
US11011201B2 (en) 2019-07-24 2021-05-18 Seagate Technology Llc Heatsink structures for heat-assisted magnetic recording heads
US11328747B1 (en) 2020-12-08 2022-05-10 Western Digital Technologies, Inc. Heat-assisted magnetic recording (HAMR) head with heat sink material adjacent the waveguide
US11250879B1 (en) 2021-02-17 2022-02-15 Western Digital Technologies, Inc. Heat-assisted magnetic recording (HAMR) head with optically reflective shield material adjacent the waveguide

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003085707A (ja) 2001-09-12 2003-03-20 Hitachi Ltd 磁気ヘッドおよび磁気ヘッドの製造方法並びにこれを用いた磁気ディスク装置
US8451555B2 (en) 2009-02-24 2013-05-28 Seagate Technology Llc Recording head for heat assisted magnetic recording

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6665136B2 (en) 2001-08-28 2003-12-16 Seagate Technology Llc Recording heads using magnetic fields generated locally from high current densities in a thin film wire
EP1398763B1 (en) 2002-08-08 2006-05-03 Hitachi Global Storage Technologies Netherlands B.V. Heat sink for a magnetic recording head
US8345374B2 (en) 2003-05-29 2013-01-01 Seagate Technology, Llc Patterned media for heat assisted magnetic recording
US7009812B2 (en) 2003-09-29 2006-03-07 Hitachi Global Storage Technologies Netherlands B.V. Magnetic transducer for perpendicular magnetic recording with single pole write head with trailing shield
JP2005285306A (ja) 2004-03-05 2005-10-13 Tdk Corp 薄膜磁気ヘッド
US7212367B2 (en) 2004-06-16 2007-05-01 Seagate Technology Llc Ampere wire write head with confined magnetic fields
US9135932B2 (en) * 2007-01-17 2015-09-15 Seagate Technology Llc Integrated head for heat assisted magnetic recording
US8077417B2 (en) 2008-12-11 2011-12-13 Seagate Technology Llc Skip block writing for bit patterned media write synchronization
US8259413B2 (en) 2008-12-31 2012-09-04 Hitachi Global Storage Technologies Netherlands B.V. Write head with self-align layer and a method for making the same
US8339740B2 (en) * 2010-02-23 2012-12-25 Seagate Technology Llc Recording head for heat assisted magnetic recording with diffusion barrier surrounding a near field transducer
US8441896B2 (en) * 2010-06-25 2013-05-14 Western Digital (Fremont), Llc Energy assisted magnetic recording head having laser integrated mounted to slider
US8339739B2 (en) * 2010-08-31 2012-12-25 Hitachi Global Storage Technologies Netherlands B.V. Thermally assisted recording head with near field transducer having integral heatsink
US8486286B1 (en) * 2010-12-21 2013-07-16 Western Digital (Fremont), Llc Method and system for providing an energy assisted magnetic recording writer having an integrated NFT, heat sink, and pole
US9431036B2 (en) * 2010-12-22 2016-08-30 Seagate Technology Llc Heat-sinks for optical near-field transducers
US9053737B2 (en) * 2010-12-22 2015-06-09 Seagate Technology Llc Heat assisted magnetic recording devices
US8451696B2 (en) * 2011-10-31 2013-05-28 HGST Netherlands B.V. Temperature sensor in a thermally assisted magnetic recording head
US8705323B2 (en) 2011-10-31 2014-04-22 HGST Netherlands B.V. TAR temperature sensor having faster response time
US8259540B1 (en) 2012-01-16 2012-09-04 Seagate Technology Llc Heat assisted magnetic recording (HAMR) heads including components made of nickel alloys
US8456968B1 (en) * 2012-02-22 2013-06-04 Headway Technologies, Inc. Thermally-assisted magnetic recording head having dual heat sink layers
US8493693B1 (en) 2012-03-30 2013-07-23 Western Digital (Fremont), Llc Perpendicular magnetic recording transducer with AFM insertion layer
US8514673B1 (en) * 2012-04-24 2013-08-20 Seagate Technology Llc Layered near-field transducer
US8582253B1 (en) 2012-06-04 2013-11-12 Western Digital (Fremont), Llc Magnetic sensor having a high spin polarization reference layer
JP6081134B2 (ja) 2012-10-17 2017-02-15 株式会社日立製作所 垂直磁気記録媒体及び磁気記憶装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003085707A (ja) 2001-09-12 2003-03-20 Hitachi Ltd 磁気ヘッドおよび磁気ヘッドの製造方法並びにこれを用いた磁気ディスク装置
US8451555B2 (en) 2009-02-24 2013-05-28 Seagate Technology Llc Recording head for heat assisted magnetic recording

Also Published As

Publication number Publication date
JP5897672B2 (ja) 2016-03-30
CN104599683A (zh) 2015-05-06
CN104599683B (zh) 2018-05-15
JP2015056200A (ja) 2015-03-23
US8923100B1 (en) 2014-12-30
KR20150030181A (ko) 2015-03-19

Similar Documents

Publication Publication Date Title
KR101553872B1 (ko) 기입 폴 및 니어-필드 트랜스듀서와 함께 사용하기 위한 다중-부분 히트 싱크
US10482906B2 (en) Near-field transducer with recessed region
US9064515B2 (en) Near field transducer and heat sink design for heat assisted magnetic recording
US10049693B2 (en) Substrate heat channels for heat assisted magnetic recording for reader over writer transducer application
US10839830B1 (en) Reflective heatsink structures for heat-assisted magnetic recording heads
US9633683B2 (en) Mode conversion via tapered waveguide
CN105741858A (zh) 定位在磁极和近场换能器之间的结构
US9025422B2 (en) Plasmon generator having flare shaped section
US9960570B1 (en) Heat-assisted magnetic recording device having external cavity laser with slot waveguide
US9934801B1 (en) Optically opaque overlay with periodic structures for a waveguide of a heat-assisted magnetic recording slider
US9842618B1 (en) Combined write/active fly control for heat assisted magnetic recording in a reader over writer application
US9196269B2 (en) Heat sink layer along an aperture of a near-field transducer
US8897105B1 (en) Solid immersion mirror with fill material between inner and outer sidewalls
US10127935B2 (en) Plasmonic gap waveguide
US10068593B1 (en) Bolometer with low scattering for a heat-assisted magnetic recording slider
US10403313B1 (en) Heat-assisted magnetic recording head having a trench on aperture waveguide output end
US10127937B1 (en) Optically opaque overlay for a waveguide of a heat-assisted magnetic recording slider
US9202491B2 (en) Planar plasmon generator with thickened region and peg region
US9905253B1 (en) C-shaped near-field transducer including a peg for heat-assisted magnetic recording device
US9099138B2 (en) Optical devices including layers that wrap the near field transducer (NFT)
US11443764B1 (en) Waveguide having plasmonic strips for heat-assisted magnetic recording
US10854224B1 (en) Differential recessed topography of a media-facing surface
US9978405B1 (en) Heat assisted magnetic recording slider having a consistent close point
US9947349B2 (en) Waveguid with tapered assistant layer

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

D13-X000 Search requested

St.27 status event code: A-1-2-D10-D13-srh-X000

D14-X000 Search report completed

St.27 status event code: A-1-2-D10-D14-srh-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

FPAY Annual fee payment

Payment date: 20190711

Year of fee payment: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20200912

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20200912

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000