CN102592608B - 用于近场光学换能器的热沉 - Google Patents
用于近场光学换能器的热沉 Download PDFInfo
- Publication number
- CN102592608B CN102592608B CN201110463219.1A CN201110463219A CN102592608B CN 102592608 B CN102592608 B CN 102592608B CN 201110463219 A CN201110463219 A CN 201110463219A CN 102592608 B CN102592608 B CN 102592608B
- Authority
- CN
- China
- Prior art keywords
- heat sink
- heat
- field optical
- optics
- optical transducers
- 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.)
- Active
Links
- 230000003287 optical effect Effects 0.000 title claims description 43
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 abstract description 8
- 239000000284 extract Substances 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 16
- 239000000463 material Substances 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 14
- 238000004806 packaging method and process Methods 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052763 palladium Inorganic materials 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 229910052720 vanadium Inorganic materials 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 229910052741 iridium Inorganic materials 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000004377 microelectronic Methods 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 229910052703 rhodium Inorganic materials 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910016036 BaF 2 Inorganic materials 0.000 description 1
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Inorganic materials [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
-
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/976,559 | 2010-12-22 | ||
| US12/976,559 US9431036B2 (en) | 2010-12-22 | 2010-12-22 | Heat-sinks for optical near-field transducers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102592608A CN102592608A (zh) | 2012-07-18 |
| CN102592608B true CN102592608B (zh) | 2016-01-20 |
Family
ID=46316633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110463219.1A Active CN102592608B (zh) | 2010-12-22 | 2011-12-21 | 用于近场光学换能器的热沉 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9431036B2 (enExample) |
| JP (1) | JP5759884B2 (enExample) |
| KR (1) | KR101349904B1 (enExample) |
| CN (1) | CN102592608B (enExample) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8427925B2 (en) | 2010-02-23 | 2013-04-23 | Seagate Technology Llc | HAMR NFT materials with improved thermal stability |
| US9053737B2 (en) | 2010-12-22 | 2015-06-09 | Seagate Technology Llc | Heat assisted magnetic recording devices |
| US8259540B1 (en) * | 2012-01-16 | 2012-09-04 | Seagate Technology Llc | Heat assisted magnetic recording (HAMR) heads including components made of nickel alloys |
| US9129625B2 (en) | 2012-01-16 | 2015-09-08 | Seagate Technology Llc | Perpendicular magnetic recording heads including components made of nickel alloys |
| US8526275B1 (en) * | 2012-04-27 | 2013-09-03 | Westerni Digital (Fremont), LLC | Systems and methods for dissipating heat from a near-field transducer in an energy assisted magnetic recording assembly |
| US8619516B1 (en) * | 2012-08-10 | 2013-12-31 | HGST Netherlands B.V. | Thermally-assisted recording (TAR) head with conductive layer between the near-field transducer and the write pole |
| US9070386B2 (en) | 2012-12-04 | 2015-06-30 | Seagate Technology Llc | Polarization rotator |
| US9378757B2 (en) | 2013-03-07 | 2016-06-28 | Seagate Technology Llc | Methods of making a near field transducer with a flare peg |
| US9304253B2 (en) * | 2013-03-07 | 2016-04-05 | Seagate Technology Llc | Near-field transducer with flare peg |
| US8891205B2 (en) | 2013-04-16 | 2014-11-18 | Seagate Technology Llc | Apparatuses and methods for controlling near-field transducer to write pole spacing |
| US9286931B2 (en) | 2013-06-24 | 2016-03-15 | Seagate Technology Llc | Materials for near field transducers and near field transducers containing same |
| JP2015011728A (ja) * | 2013-06-26 | 2015-01-19 | 株式会社東芝 | 磁気ヘッド、磁気ディスク装置、及び磁気ヘッドの制御方法 |
| US9042209B2 (en) | 2013-07-30 | 2015-05-26 | HGST Netherlands B.V. | E-antenna near field transducer with thermal shunt to return pole |
| US8923100B1 (en) * | 2013-09-11 | 2014-12-30 | Seagate Technology Llc | Multi-portion heat sink for use with write pole and near-field transducer |
| US9570098B2 (en) | 2013-12-06 | 2017-02-14 | Seagate Technology Llc | Methods of forming near field transducers and near field transducers formed thereby |
| US9697856B2 (en) * | 2013-12-06 | 2017-07-04 | Seagate Techology 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 |
| US9099112B1 (en) | 2014-01-31 | 2015-08-04 | HGST Netherlands B.V. | Near field transducer having notch diffusion barrier |
| US9218835B1 (en) * | 2014-09-02 | 2015-12-22 | Headway Technologies, Inc. | Thermally-assisted magnetic recording head including a heat sink |
| US9147427B1 (en) | 2014-10-31 | 2015-09-29 | Seagate Technology Llc | Near-field transducer with multiple heat sinks |
| 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 |
| WO2016191414A1 (en) * | 2015-05-27 | 2016-12-01 | Seagate Technology Llc | Thermally robust near-field transducer peg |
| 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 |
| US12451666B2 (en) | 2022-03-30 | 2025-10-21 | Seagate Technology Llc | Laser heat sinking for integrating laser diode into recording heads at wafer level |
| US12367896B1 (en) | 2024-07-12 | 2025-07-22 | Seagate Technology Llc | Magnetic recording head writer having an auxiliary magnetomotive force coil |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1402222A (zh) * | 2001-08-03 | 2003-03-12 | 富士通株式会社 | 具有改进的散热性能的磁头 |
| US7391590B2 (en) * | 2003-08-29 | 2008-06-24 | Tdk Corporation | Thin film magnetic head and magnetic recording apparatus with partitioned heat sink layer |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3132003B2 (ja) | 1993-09-27 | 2001-02-05 | セイコーエプソン株式会社 | 光ヘッド |
| JP2990038B2 (ja) | 1995-03-30 | 1999-12-13 | 日本電気株式会社 | 光ヘッド |
| US7088550B2 (en) * | 2003-07-30 | 2006-08-08 | Hitachi Global Storage Technologies Netherlands, B.V. | Magnetic hard disk recording head with self-compensating thermal expansion |
| US8339905B2 (en) | 2005-04-13 | 2012-12-25 | Seagate Technology Llc | Alignment features for heat assisted magnetic recording transducers |
| US7626894B2 (en) | 2005-04-13 | 2009-12-01 | Seagate Technology Llc | Heat assisted magnetic recording light delivery with fixed laser and rotating mirror |
| US7869309B2 (en) | 2005-08-11 | 2011-01-11 | Seagate Technology Llc | Dual wire integrated WAMR/HAMR writing head |
| US7609480B2 (en) | 2006-06-30 | 2009-10-27 | Seagate Technology Llc | Heat-assisted magnetic recording head |
| JP5134310B2 (ja) | 2007-08-31 | 2013-01-30 | エイチジーエスティーネザーランドビーブイ | 磁気ヘッドスライダ |
| US8451555B2 (en) * | 2009-02-24 | 2013-05-28 | Seagate Technology Llc | Recording head for heat assisted magnetic recording |
| US8194511B2 (en) * | 2010-03-19 | 2012-06-05 | Headway Technologies, Inc. | Heat-assisted magnetic recording head with near-field light generating element |
| US8391108B2 (en) * | 2010-08-12 | 2013-03-05 | Seagate Technology Llc | Hybrid near-field transducer for heat assisted magnetic recording |
| US8514672B2 (en) * | 2010-08-24 | 2013-08-20 | HGST Netherlands B.V. | Near-field transducer with thermal sensor and system for clocking write data in a patterned-media magnetic recording disk drive |
| 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 |
-
2010
- 2010-12-22 US US12/976,559 patent/US9431036B2/en active Active
-
2011
- 2011-12-20 JP JP2011278148A patent/JP5759884B2/ja not_active Expired - Fee Related
- 2011-12-21 CN CN201110463219.1A patent/CN102592608B/zh active Active
- 2011-12-22 KR KR1020110140363A patent/KR101349904B1/ko not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1402222A (zh) * | 2001-08-03 | 2003-03-12 | 富士通株式会社 | 具有改进的散热性能的磁头 |
| US7391590B2 (en) * | 2003-08-29 | 2008-06-24 | Tdk Corporation | Thin film magnetic head and magnetic recording apparatus with partitioned heat sink layer |
Also Published As
| Publication number | Publication date |
|---|---|
| US9431036B2 (en) | 2016-08-30 |
| KR101349904B1 (ko) | 2014-01-13 |
| US20120163139A1 (en) | 2012-06-28 |
| CN102592608A (zh) | 2012-07-18 |
| KR20120071366A (ko) | 2012-07-02 |
| JP5759884B2 (ja) | 2015-08-05 |
| JP2012133873A (ja) | 2012-07-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |