CN102163433B - 热辅助磁记录介质和磁存储装置 - Google Patents
热辅助磁记录介质和磁存储装置 Download PDFInfo
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- CN102163433B CN102163433B CN2011100397351A CN201110039735A CN102163433B CN 102163433 B CN102163433 B CN 102163433B CN 2011100397351 A CN2011100397351 A CN 2011100397351A CN 201110039735 A CN201110039735 A CN 201110039735A CN 102163433 B CN102163433 B CN 102163433B
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- magnetic recording
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- basalis
- hamr
- Prior art date
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- 239000000956 alloy Substances 0.000 claims abstract description 22
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 229910005335 FePt Inorganic materials 0.000 claims description 31
- 229910052721 tungsten Inorganic materials 0.000 claims description 17
- 229910052750 molybdenum Inorganic materials 0.000 claims description 12
- 229910052715 tantalum Inorganic materials 0.000 claims description 12
- 229910052707 ruthenium Inorganic materials 0.000 claims description 11
- 229910052758 niobium Inorganic materials 0.000 claims description 9
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 7
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 6
- 229910018979 CoPt Inorganic materials 0.000 claims description 5
- 230000001172 regenerating effect Effects 0.000 claims description 4
- 239000013078 crystal Substances 0.000 abstract description 15
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 21
- 239000000463 material Substances 0.000 description 15
- 238000005204 segregation Methods 0.000 description 11
- 239000006249 magnetic particle Substances 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000003870 refractory metal Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- 229910001149 41xx steel Inorganic materials 0.000 description 1
- 229910000521 B alloy Inorganic materials 0.000 description 1
- 241000849798 Nita Species 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
- G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
- G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
- G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier layers
- G11B5/737—Physical structure of underlayer, e.g. texture
-
- 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)
- Spectroscopy & Molecular Physics (AREA)
- Magnetic Record Carriers (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Thin Magnetic Films (AREA)
- Magnetic Heads (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010037509 | 2010-02-23 | ||
JP037509/2010 | 2010-02-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102163433A CN102163433A (zh) | 2011-08-24 |
CN102163433B true CN102163433B (zh) | 2013-12-25 |
Family
ID=44464627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011100397351A Active CN102163433B (zh) | 2010-02-23 | 2011-02-17 | 热辅助磁记录介质和磁存储装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8351309B2 (zh) |
JP (1) | JP5719629B2 (zh) |
CN (1) | CN102163433B (zh) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8374060B2 (en) * | 2011-03-11 | 2013-02-12 | Tdk Corporation | Thermally-assisted magnetic recording method for writing data on a hard disk medium |
JP5776119B2 (ja) * | 2011-12-28 | 2015-09-09 | 宇部マテリアルズ株式会社 | 磁気記録媒体及びその製造方法 |
JP5923324B2 (ja) * | 2012-01-31 | 2016-05-24 | 昭和電工株式会社 | 熱アシスト磁気記録媒体及び磁気記録再生装置 |
US9269480B1 (en) * | 2012-03-30 | 2016-02-23 | WD Media, LLC | Systems and methods for forming magnetic recording media with improved grain columnar growth for energy assisted magnetic recording |
US8605555B1 (en) * | 2012-04-19 | 2013-12-10 | WD Media, LLC | Recording media with multiple bi-layers of heatsink layer and amorphous layer for energy assisted magnetic recording system and methods for fabricating the same |
JP5961439B2 (ja) * | 2012-05-01 | 2016-08-02 | 昭和電工株式会社 | 熱アシスト磁気記録媒体及び磁気記録再生装置 |
JP6014385B2 (ja) * | 2012-05-14 | 2016-10-25 | 昭和電工株式会社 | 磁気記録媒体及び磁気記録再生装置 |
US8509039B1 (en) * | 2012-06-28 | 2013-08-13 | HGST Netherlands B.V. | Thermally-assisted recording (TAR) disk with low thermal-conductivity underlayer |
US8623670B1 (en) | 2012-07-15 | 2014-01-07 | HGST Netherlands B.V. | Method for making a perpendicular thermally-assisted recording (TAR) magnetic recording disk having a carbon segregant |
US8765273B1 (en) | 2012-08-21 | 2014-07-01 | Seagate Technology Llc | Tuned heatsink layers |
JP5961490B2 (ja) * | 2012-08-29 | 2016-08-02 | 昭和電工株式会社 | 磁気記録媒体及び磁気記録再生装置 |
US9034492B1 (en) * | 2013-01-11 | 2015-05-19 | WD Media, LLC | Systems and methods for controlling damping of magnetic media for heat assisted magnetic recording |
US10115428B1 (en) | 2013-02-15 | 2018-10-30 | Wd Media, Inc. | HAMR media structure having an anisotropic thermal barrier layer |
US20140272470A1 (en) | 2013-03-15 | 2014-09-18 | Seagate Technology Llc | Energy Assisted Segregation Material |
US8947987B1 (en) | 2013-05-03 | 2015-02-03 | WD Media, LLC | Systems and methods for providing capping layers for heat assisted magnetic recording media |
US9472228B2 (en) | 2013-05-28 | 2016-10-18 | HGST Netherlands B.V. | Perpendicular magnetic recording media having novel magnetic under-layer structure |
JP6145350B2 (ja) * | 2013-07-31 | 2017-06-07 | 昭和電工株式会社 | 磁気記録媒体、磁気記憶装置 |
US9177585B1 (en) | 2013-10-23 | 2015-11-03 | WD Media, LLC | Magnetic media capable of improving magnetic properties and thermal management for heat-assisted magnetic recording |
JP2015088197A (ja) * | 2013-10-28 | 2015-05-07 | 昭和電工株式会社 | 磁気記録媒体および磁気記憶装置 |
CN105723460A (zh) * | 2014-04-24 | 2016-06-29 | 富士电机株式会社 | 磁记录介质的制造方法 |
US9822441B2 (en) | 2015-03-31 | 2017-11-21 | WD Media, LLC | Iridium underlayer for heat assisted magnetic recording media |
JP6832189B2 (ja) * | 2017-02-21 | 2021-02-24 | 昭和電工株式会社 | 磁気記録媒体及び磁気記録再生装置 |
JP7244721B2 (ja) * | 2019-04-09 | 2023-03-23 | 株式会社レゾナック | 磁気記録媒体および磁気記憶装置 |
JP2022150658A (ja) * | 2021-03-26 | 2022-10-07 | 昭和電工株式会社 | 磁気記録媒体及び磁気記憶装置 |
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CN1909071A (zh) * | 2005-07-26 | 2007-02-07 | 株式会社东芝 | 垂直磁记录介质、其制造方法及包括所述介质的磁记录装置 |
CN101162756A (zh) * | 2006-10-13 | 2008-04-16 | 株式会社东芝 | 磁阻元件和磁存储器 |
CN101599275A (zh) * | 2007-11-28 | 2009-12-09 | 希捷科技有限公司 | 具有化学排序的磁性层的磁记录介质 |
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JP3370720B2 (ja) * | 1993-03-10 | 2003-01-27 | 株式会社日立製作所 | 磁気記録媒体及び磁気記録装置 |
JP2986096B2 (ja) * | 1998-02-17 | 1999-12-06 | 財団法人韓国科学技術研究院 | チタン系合金薄膜からなる高密度磁気記録媒体用下地層 |
US6383667B1 (en) * | 1998-10-09 | 2002-05-07 | Hitachi, Ltd. | Magnetic recording medium |
JP2002541671A (ja) * | 1999-03-30 | 2002-12-03 | ドイッチェ テレコム アーゲー | 制御キャビネット |
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-
2011
- 2011-02-17 CN CN2011100397351A patent/CN102163433B/zh active Active
- 2011-02-23 US US13/033,010 patent/US8351309B2/en active Active
- 2011-02-23 JP JP2011036602A patent/JP5719629B2/ja active Active
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CN1892828A (zh) * | 2005-07-01 | 2007-01-10 | 张庆瑞 | 可调整式磁记录媒体及其制作方法 |
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CN101162756A (zh) * | 2006-10-13 | 2008-04-16 | 株式会社东芝 | 磁阻元件和磁存储器 |
CN101599275A (zh) * | 2007-11-28 | 2009-12-09 | 希捷科技有限公司 | 具有化学排序的磁性层的磁记录介质 |
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Also Published As
Publication number | Publication date |
---|---|
JP5719629B2 (ja) | 2015-05-20 |
CN102163433A (zh) | 2011-08-24 |
US20110205862A1 (en) | 2011-08-25 |
US8351309B2 (en) | 2013-01-08 |
JP2011198455A (ja) | 2011-10-06 |
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