JP5897672B2 - 書込極および近接場トランスデューサとともに使用するヒートシンクを備えた装置およびその製造方法 - Google Patents
書込極および近接場トランスデューサとともに使用するヒートシンクを備えた装置およびその製造方法 Download PDFInfo
- Publication number
- JP5897672B2 JP5897672B2 JP2014184098A JP2014184098A JP5897672B2 JP 5897672 B2 JP5897672 B2 JP 5897672B2 JP 2014184098 A JP2014184098 A JP 2014184098A JP 2014184098 A JP2014184098 A JP 2014184098A JP 5897672 B2 JP5897672 B2 JP 5897672B2
- Authority
- JP
- Japan
- Prior art keywords
- heat sink
- facing surface
- medium facing
- write pole
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000000463 material Substances 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 6
- 239000010931 gold Substances 0.000 description 16
- 229910052737 gold Inorganic materials 0.000 description 9
- 239000010410 layer Substances 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 7
- 229910052709 silver Inorganic materials 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000002310 reflectometry Methods 0.000 description 4
- 239000010944 silver (metal) Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000005253 cladding Methods 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
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- 239000012792 core layer Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000002076 thermal analysis method Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- -1 Ta 2 O 5 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
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- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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)
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 (3)
| Publication Number | Publication Date |
|---|---|
| JP2015056200A JP2015056200A (ja) | 2015-03-23 |
| JP2015056200A5 JP2015056200A5 (enExample) | 2015-05-07 |
| JP5897672B2 true JP5897672B2 (ja) | 2016-03-30 |
Family
ID=52112537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014184098A Expired - Fee Related JP5897672B2 (ja) | 2013-09-11 | 2014-09-10 | 書込極および近接場トランスデューサとともに使用するヒートシンクを備えた装置およびその製造方法 |
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)
| 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 |
Family Cites Families (25)
| 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 |
| 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 |
| 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 |
| US8451555B2 (en) | 2009-02-24 | 2013-05-28 | Seagate Technology Llc | Recording head for heat assisted magnetic recording |
| 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 |
-
2013
- 2013-09-11 US US14/024,329 patent/US8923100B1/en active Active
-
2014
- 2014-09-10 JP JP2014184098A patent/JP5897672B2/ja not_active Expired - Fee Related
- 2014-09-11 CN CN201410784435.XA patent/CN104599683B/zh not_active Expired - Fee Related
- 2014-09-11 KR KR1020140120274A patent/KR101553872B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR101553872B1 (ko) | 2015-09-17 |
| 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 |
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| A61 | First payment of annual fees (during grant procedure) |
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| LAPS | Cancellation because of no payment of annual fees |