JP2011248991A5 - - Google Patents

Download PDF

Info

Publication number
JP2011248991A5
JP2011248991A5 JP2011113281A JP2011113281A JP2011248991A5 JP 2011248991 A5 JP2011248991 A5 JP 2011248991A5 JP 2011113281 A JP2011113281 A JP 2011113281A JP 2011113281 A JP2011113281 A JP 2011113281A JP 2011248991 A5 JP2011248991 A5 JP 2011248991A5
Authority
JP
Japan
Prior art keywords
energy
width
transducer
emitting end
write pole
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.)
Granted
Application number
JP2011113281A
Other languages
English (en)
Japanese (ja)
Other versions
JP5702224B2 (ja
JP2011248991A (ja
Filing date
Publication date
Priority claimed from US12/785,003 external-priority patent/US8385159B2/en
Application filed filed Critical
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

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 true JP2011248991A5 (enExample) 2012-01-26
JP5702224B2 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
US8976634B2 (en) * 2013-06-24 2015-03-10 Seagate Technology Llc Devices including at least one intermixing layer
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
US9286931B2 (en) 2013-06-24 2016-03-15 Seagate Technology Llc Materials for near field transducers and near field transducers containing same
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
AU2003218265A1 (en) 2002-06-28 2004-01-19 Seagate Technology Llc Apparatus and method for producing a small spot of optical energy
US7155732B2 (en) * 2003-09-05 2006-12-26 Seagate Technology Llc Heat assisted magnetic recording head and method
US7266268B2 (en) * 2003-09-05 2007-09-04 Seagate Technology Llc Diffraction grating
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

Similar Documents

Publication Publication Date Title
JP2011248991A5 (enExample)
JP5852840B2 (ja) Ｔａｍｒヘッドおよびその製造方法
JP2016095892A5 (enExample)
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
US8279719B1 (en) Method and system for coupling a laser with a slider in an energy assisted magnetic recording disk drive
US8320220B1 (en) Method and system for providing an energy assisted magnetic recording disk drive having a non-conformal heat spreader
US8248891B2 (en) Near-field transducers for focusing light
US20150043315A1 (en) Near-field transducer with enlarged region, peg region, and heat sink region
EP2688068A3 (en) Recording head with near-field antenna and composite pole
US8391108B2 (en) Hybrid near-field transducer for heat assisted magnetic recording
US9147427B1 (en) Near-field transducer with multiple heat sinks
US9449626B2 (en) Structure positioned between magnetic pole and near-field transducer
JP2012048797A5 (enExample)
JP2019086526A5 (enExample)
JP2012533779A5 (enExample)
JP2009099255A (ja) 熱アシスト磁気記録用トランスデューサ
US20140254336A1 (en) Near-field transducer with flare peg
SG130121A1 (en) Dual wire integrated wamr/hamr writing head
JP2012518864A (ja) 熱に補助される磁気記録のための記録ヘッド
US20150325261A1 (en) Optical reflectors for use with a near-field transducer
JP2011523177A5 (enExample)
JP2013175268A5 (enExample)
WO2009008488A1 (ja) 近接場光ヘッド及び情報記録再生装置
JP2011048896A5 (enExample)
JP2017203966A5 (enExample)