JP5702224B2 - 成形されたエネルギー放射端部を含む近接場変換器を備えた装置 - Google Patents

成形されたエネルギー放射端部を含む近接場変換器を備えた装置 Download PDF

Info

Publication number
JP5702224B2
JP5702224B2 JP2011113281A JP2011113281A JP5702224B2 JP 5702224 B2 JP5702224 B2 JP 5702224B2 JP 2011113281 A JP2011113281 A JP 2011113281A JP 2011113281 A JP2011113281 A JP 2011113281A JP 5702224 B2 JP5702224 B2 JP 5702224B2
Authority
JP
Japan
Prior art keywords
pin
write pole
cnr
nft
energy
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
JP2011113281A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011248991A5 (enExample
JP2011248991A (ja
Inventor
ガオ・カイチョン
チャオ・ヨンジュン
ウィリアム・エイ・チャレナー
ジン・シュフイ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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 Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of JP2011248991A publication Critical patent/JP2011248991A/ja
Publication of JP2011248991A5 publication Critical patent/JP2011248991A5/ja
Application granted granted Critical
Publication of JP5702224B2 publication Critical patent/JP5702224B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G11B5/127—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
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • 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)
  • Optical Head (AREA)
JP2011113281A 2010-05-21 2011-05-20 成形されたエネルギー放射端部を含む近接場変換器を備えた装置 Expired - Fee Related JP5702224B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/785,003 US8385159B2 (en) 2010-05-21 2010-05-21 Near field transducer with shaped energy radiating end
US12/785,003 2010-05-21

Publications (3)

Publication Number Publication Date
JP2011248991A JP2011248991A (ja) 2011-12-08
JP2011248991A5 JP2011248991A5 (enExample) 2012-01-26
JP5702224B2 true JP5702224B2 (ja) 2015-04-15

Family

ID=44117870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011113281A Expired - Fee Related JP5702224B2 (ja) 2010-05-21 2011-05-20 成形されたエネルギー放射端部を含む近接場変換器を備えた装置

Country Status (4)

Country Link
US (1) US8385159B2 (enExample)
EP (1) EP2388781B1 (enExample)
JP (1) JP5702224B2 (enExample)
CN (1) CN102324238B (enExample)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9495996B2 (en) * 2007-06-29 2016-11-15 Seagate Technology, Llc Writer with increased write field
US8248891B2 (en) * 2008-11-18 2012-08-21 Seagate Technology Llc Near-field transducers for focusing light
US8416530B2 (en) * 2009-10-20 2013-04-09 Seagate Technology Llc Write head with bevel structure and reverse NFT for HAMR
US8427925B2 (en) 2010-02-23 2013-04-23 Seagate Technology Llc HAMR NFT materials with improved thermal stability
US9224416B2 (en) 2012-04-24 2015-12-29 Seagate Technology Llc Near field transducers including nitride materials
US9251837B2 (en) 2012-04-25 2016-02-02 Seagate Technology Llc HAMR NFT materials with improved thermal stability
US8649245B2 (en) * 2010-03-29 2014-02-11 Seagate Technology Llc Direct waveguide light delivery to NFT for heat assisted magnetic recording
KR20110110941A (ko) * 2010-04-02 2011-10-10 삼성전자주식회사 하드디스크 드라이브
US8773959B2 (en) 2010-05-21 2014-07-08 Seagate Technology Llc Near field transducer with shaped energy radiating end
US8351307B1 (en) 2010-06-04 2013-01-08 Western Digital (Fremont), Llc Trailing edge optimized near field transducer having non-rectangular pin cross section
US8320219B1 (en) * 2010-06-15 2012-11-27 Western Digital (Fremont), Llc Trailing edge optimized near field transducer
US8773956B1 (en) * 2011-12-06 2014-07-08 Western Digital (Fremont), Llc Bi-layer NFT-core spacer for EAMR system and method of making the same
US8576672B1 (en) 2012-05-25 2013-11-05 Seagate Technology Llc Heat sink layer
US8945731B2 (en) * 2012-06-29 2015-02-03 Seagate Technology Llc Interlayer for device including NFT and cladding layers
US9385089B2 (en) 2013-01-30 2016-07-05 Seagate Technology Llc Alignment mark recovery with reduced topography
US9343089B2 (en) * 2013-03-08 2016-05-17 Seagate Technology Llc Nanoimprint lithography for thin film heads
US9135942B2 (en) 2013-05-28 2015-09-15 HGST Netherlands B.V. Heat assisted magnetic recording head having wider heat sink and pole
US8810947B1 (en) 2013-05-30 2014-08-19 HGST Netherlands B.V. Recessing a near field transducer in a heat-assisted magnetic recording head
US9245573B2 (en) 2013-06-24 2016-01-26 Seagate Technology Llc Methods of forming materials for at least a portion of a NFT and NFTs formed using the same
US9502070B2 (en) 2013-06-24 2016-11-22 Seagate Technology Llc Materials for near field transducers, near field tranducers containing same, and methods of forming
US8976634B2 (en) * 2013-06-24 2015-03-10 Seagate Technology Llc Devices including at least one intermixing layer
US9129626B2 (en) 2013-10-24 2015-09-08 Seagate Technology Llc Near-field transducer with rounded or obtuse corners
US20150132503A1 (en) * 2013-11-13 2015-05-14 Seagate Technology Llc Methods of forming near field transducers
US9697856B2 (en) 2013-12-06 2017-07-04 Seagate Techology LLC Methods of forming near field transducers and near field transducers formed thereby
US9570098B2 (en) 2013-12-06 2017-02-14 Seagate Technology Llc Methods of forming near field transducers and near field transducers formed thereby
US8988827B1 (en) 2014-01-17 2015-03-24 HGST Netherlands B.V. Surface diffusion inhibitor for HAMR NFT
JP6455875B2 (ja) * 2014-09-30 2019-01-23 株式会社イノバステラ 近接場光デバイス及びそれを用いた磁気ヘッド
US9449626B2 (en) * 2014-11-07 2016-09-20 Seagate Technology Llc Structure positioned between magnetic pole and near-field transducer
US9822444B2 (en) 2014-11-11 2017-11-21 Seagate Technology Llc Near-field transducer having secondary atom higher concentration at bottom of the peg
WO2016077197A1 (en) 2014-11-12 2016-05-19 Seagate Technology Llc Devices including a near field transducer (nft) with nanoparticles
US9123374B1 (en) 2015-02-12 2015-09-01 Western Digital (Fremont), Llc Heat assisted magnetic recording writer having an integrated polarization rotation plate
US10204646B2 (en) 2016-05-04 2019-02-12 Western Digital Technologies, Inc. Near-field transducer with adjacent high-refractive index material layer
US11164600B1 (en) 2016-08-26 2021-11-02 Seagate Technology Llc Methods of forming materials
US12013285B2 (en) 2020-04-17 2024-06-18 University of Pittsburgh—of the Commonwealth System of Higher Education High temperature near-field probe for sensing and energy harvesting applications based upon thermal emission

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7412143B2 (en) 2002-06-28 2008-08-12 Seagate Technology Llc Heat assisted magnetic recording with heat profile shaping
US6795630B2 (en) 2002-06-28 2004-09-21 Seagate Technology Llc Apparatus and method for producing a small spot of optical energy
US7266268B2 (en) * 2003-09-05 2007-09-04 Seagate Technology Llc Diffraction grating
US7155732B2 (en) * 2003-09-05 2006-12-26 Seagate Technology Llc Heat assisted magnetic recording head and method
US7330404B2 (en) * 2003-10-10 2008-02-12 Seagate Technology Llc Near-field optical transducers for thermal assisted magnetic and optical data storage
US7272079B2 (en) 2004-06-23 2007-09-18 Seagate Technology Llc Transducer for heat assisted magnetic recording
JP4400579B2 (ja) * 2006-01-30 2010-01-20 Ｔｄｋ株式会社 台形端を有する近接場光発生部を備えた薄膜磁気ヘッド
JP2008059645A (ja) * 2006-08-30 2008-03-13 Hitachi Ltd 記録用ヘッド
JP2008165922A (ja) * 2006-12-28 2008-07-17 Tdk Corp 熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ及びハードディスク装置
US7440660B1 (en) * 2007-10-16 2008-10-21 Seagate Technology Llc Transducer for heat assisted magnetic recording
US7706654B2 (en) * 2007-11-05 2010-04-27 Seagate Technology Llc Integrated device for heat assisted magnetic recording
JP4518158B2 (ja) * 2008-02-08 2010-08-04 Ｔｄｋ株式会社 熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ、及びハードディスク装置
US8000178B2 (en) * 2008-10-29 2011-08-16 Tdk Corporation Near-field light generating element utilizing surface plasmon
US8248891B2 (en) * 2008-11-18 2012-08-21 Seagate Technology Llc Near-field transducers for focusing light
US8111485B2 (en) * 2008-11-19 2012-02-07 Seagate Technology Llc Arm mounted shock sensor and flexible circuit routing
US8416530B2 (en) * 2009-10-20 2013-04-09 Seagate Technology Llc Write head with bevel structure and reverse NFT for HAMR
US8649245B2 (en) * 2010-03-29 2014-02-11 Seagate Technology Llc Direct waveguide light delivery to NFT for heat assisted magnetic recording

Also Published As

Publication number Publication date
EP2388781B1 (en) 2015-01-28
EP2388781A1 (en) 2011-11-23
CN102324238B (zh) 2014-07-16
US20110286127A1 (en) 2011-11-24
JP2011248991A (ja) 2011-12-08
CN102324238A (zh) 2012-01-18
US8385159B2 (en) 2013-02-26

Similar Documents

Publication Publication Date Title
JP5702224B2 (ja) 成形されたエネルギー放射端部を含む近接場変換器を備えた装置
US8773959B2 (en) Near field transducer with shaped energy radiating end
JP4899134B2 (ja) 熱アシスト磁気記録用トランスデューサ
US10482906B2 (en) Near-field transducer with recessed region
US9355661B2 (en) Integrated head for heat assisted magnetic recording
US8248891B2 (en) Near-field transducers for focusing light
US9626991B2 (en) Near-field transducer with enlarged region, peg region, and heat sink region
US8649245B2 (en) Direct waveguide light delivery to NFT for heat assisted magnetic recording
US8416530B2 (en) Write head with bevel structure and reverse NFT for HAMR
US7706654B2 (en) Integrated device for heat assisted magnetic recording
US9230582B2 (en) Plasmonic funnel for focused optical delivery to a magnetic medium
US9449626B2 (en) Structure positioned between magnetic pole and near-field transducer
US20150131415A1 (en) Mode converter coupling energy at a high-order transverse electric mode to a plasmonic transducer
US10115423B1 (en) Near-field transducer utilizing angled reflectors
US20150325261A1 (en) Optical reflectors for use with a near-field transducer
US9316783B2 (en) Optical devices including assistant layers
US9934801B1 (en) Optically opaque overlay with periodic structures for a waveguide of a heat-assisted magnetic recording slider
US9396749B2 (en) Waveguide core layer with reduced downtrack thickness proximate a near-field transducer
US11380354B2 (en) Heat-assisted magnetic recording head having near-field transducer with sunken plasmonic plate
US9905253B1 (en) C-shaped near-field transducer including a peg for heat-assisted magnetic recording device
US10242702B1 (en) Near-field transducer with stacked features that reduce emission of polarization-rotated light

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20111104

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20111104

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20130212

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20130319

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20130618

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20130621

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20130716

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20130719

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130819

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140318

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20140617

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20140620

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140718

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20150127

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20150219

R150 Certificate of patent or registration of utility model

Ref document number: 5702224

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees