CN101046980A - 垂直磁记录介质和磁存储装置 - Google Patents
垂直磁记录介质和磁存储装置 Download PDFInfo
- Publication number
- CN101046980A CN101046980A CNA2006101079961A CN200610107996A CN101046980A CN 101046980 A CN101046980 A CN 101046980A CN A2006101079961 A CNA2006101079961 A CN A2006101079961A CN 200610107996 A CN200610107996 A CN 200610107996A CN 101046980 A CN101046980 A CN 101046980A
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- magnetic
- magnetosphere
- recording medium
- crystal
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- 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
Links
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- 230000005415 magnetization Effects 0.000 claims abstract description 36
- 239000000696 magnetic material Substances 0.000 claims abstract description 24
- 239000003302 ferromagnetic material Substances 0.000 claims abstract description 21
- 230000008878 coupling Effects 0.000 claims description 50
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- 238000005859 coupling reaction Methods 0.000 claims description 50
- 229910045601 alloy Inorganic materials 0.000 claims description 33
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- 239000004615 ingredient Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 14
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- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 11
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- 229910000929 Ru alloy Inorganic materials 0.000 claims description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 8
- 230000005290 antiferromagnetic effect Effects 0.000 claims description 7
- 229910052707 ruthenium Inorganic materials 0.000 claims description 7
- -1 CoCrTa Inorganic materials 0.000 claims description 6
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 229910052758 niobium Inorganic materials 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 229910019222 CoCrPt Inorganic materials 0.000 claims description 3
- 229910018979 CoPt Inorganic materials 0.000 claims description 3
- 229910000629 Rh alloy Inorganic materials 0.000 claims description 3
- 229910052741 iridium Inorganic materials 0.000 claims description 3
- 229910052703 rhodium Inorganic materials 0.000 claims description 3
- 229910000575 Ir alloy Inorganic materials 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 229910052702 rhenium Inorganic materials 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract 2
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- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 4
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- 239000010952 cobalt-chrome Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
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- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 description 4
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- 229910052782 aluminium Inorganic materials 0.000 description 3
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- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 3
- 238000005477 sputtering target Methods 0.000 description 3
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
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- 229910052727 yttrium Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910019236 CoFeB Inorganic materials 0.000 description 1
- 229910005335 FePt Inorganic materials 0.000 description 1
- 229910005347 FeSi Inorganic materials 0.000 description 1
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
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- 229910052735 hafnium Inorganic materials 0.000 description 1
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- 229910052720 vanadium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
- G11B5/676—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having magnetic layers separated by a nonmagnetic layer, e.g. antiferromagnetic layer, Cu layer or coupling layer
- G11B5/678—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having magnetic layers separated by a nonmagnetic layer, e.g. antiferromagnetic layer, Cu layer or coupling layer having three or more magnetic 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
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
-
- 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
-
- 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
- G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
- G11B5/676—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having magnetic layers separated by a nonmagnetic layer, e.g. antiferromagnetic layer, Cu layer or coupling layer
-
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/855—Coating only part of a support with a magnetic layer
-
- 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
- G11B2005/0026—Pulse recording
- G11B2005/0029—Pulse recording using magnetisation components of the recording layer disposed mainly perpendicularly to the record carrier surface
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Record Carriers (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006100593 | 2006-03-31 | ||
JP2006100593A JP2007273055A (ja) | 2006-03-31 | 2006-03-31 | 垂直磁気記録媒体および磁気記憶装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101046980A true CN101046980A (zh) | 2007-10-03 |
CN100527228C CN100527228C (zh) | 2009-08-12 |
Family
ID=38558547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006101079961A Expired - Fee Related CN100527228C (zh) | 2006-03-31 | 2006-08-02 | 垂直磁记录介质和磁存储装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070230052A1 (zh) |
JP (1) | JP2007273055A (zh) |
KR (1) | KR100893706B1 (zh) |
CN (1) | CN100527228C (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101796580A (zh) * | 2007-09-06 | 2010-08-04 | 昭和电工株式会社 | 垂直磁记录介质以及磁记录和再现装置 |
CN111373276A (zh) * | 2017-12-01 | 2020-07-03 | 昭和电工株式会社 | 磁传感器、测量装置及磁传感器的制造方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4928751B2 (ja) * | 2005-07-14 | 2012-05-09 | ダブリュディ・メディア・シンガポール・プライベートリミテッド | 垂直磁気記録媒体 |
KR100738105B1 (ko) * | 2006-02-09 | 2007-07-12 | 삼성전자주식회사 | 확산 방지층이 삽입된 연자성 하지층을 포함하는 수직 자기기록 매체 |
JP4771222B2 (ja) * | 2006-09-13 | 2011-09-14 | 富士電機デバイステクノロジー株式会社 | 垂直磁気記録媒体 |
KR20080095086A (ko) * | 2007-04-23 | 2008-10-28 | 삼성전자주식회사 | 수직자기 기록 매체 및 그 제조 방법 |
JP5073432B2 (ja) * | 2007-09-27 | 2012-11-14 | ダブリュディ・メディア・シンガポール・プライベートリミテッド | 垂直磁気記録媒体、及び垂直磁気記録媒体の製造方法 |
KR101196732B1 (ko) * | 2008-02-01 | 2012-11-07 | 시게이트 테크놀로지 엘엘씨 | 수직자기 기록매체 |
JP5126674B2 (ja) | 2008-06-10 | 2013-01-23 | 富士電機株式会社 | 垂直磁気記録媒体 |
KR101580225B1 (ko) * | 2009-03-13 | 2015-12-24 | 시게이트 테크놀로지 엘엘씨 | 수직자기기록매체 |
JP5709382B2 (ja) | 2009-03-16 | 2015-04-30 | キヤノン株式会社 | 新規クリセン化合物及びこれを有する有機発光素子 |
JP5546895B2 (ja) * | 2009-04-30 | 2014-07-09 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
JP5516283B2 (ja) * | 2010-03-17 | 2014-06-11 | 富士電機株式会社 | 垂直磁気記録媒体 |
JP2019109953A (ja) * | 2017-12-20 | 2019-07-04 | 株式会社東芝 | 磁気記録装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4966821A (en) * | 1986-07-17 | 1990-10-30 | Ricoh Company, Ltd. | Perpendicular magnetic recording medium |
EP1346348B1 (en) * | 2000-11-29 | 2007-11-07 | Fujitsu Limited | Magnetic recording medium and magnetic storage apparatus |
CN100505046C (zh) * | 2001-11-30 | 2009-06-24 | 希捷科技有限公司 | 反铁磁性耦合的垂直磁记录介质 |
JP2004079043A (ja) * | 2002-08-13 | 2004-03-11 | Fuji Electric Holdings Co Ltd | 垂直磁気記録媒体 |
JP2004303377A (ja) * | 2003-03-31 | 2004-10-28 | Toshiba Corp | 垂直磁気記録媒体及び磁気記録再生装置 |
WO2004090874A1 (en) * | 2003-04-07 | 2004-10-21 | Showa Denko K. K. | Magnetic recording medium, method for producing thereof, and magnetic recording and reproducing apparatus. |
CN100440324C (zh) * | 2003-09-30 | 2008-12-03 | 富士通株式会社 | 垂直磁记录介质以及磁存储装置 |
JP2005222669A (ja) * | 2004-01-05 | 2005-08-18 | Fujitsu Ltd | 磁気記録媒体および磁気記憶装置 |
JP4812254B2 (ja) * | 2004-01-08 | 2011-11-09 | 富士電機株式会社 | 垂直磁気記録媒体、および、その製造方法 |
-
2006
- 2006-03-31 JP JP2006100593A patent/JP2007273055A/ja active Pending
- 2006-07-14 US US11/486,297 patent/US20070230052A1/en not_active Abandoned
- 2006-08-01 KR KR1020060072489A patent/KR100893706B1/ko not_active IP Right Cessation
- 2006-08-02 CN CNB2006101079961A patent/CN100527228C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101796580A (zh) * | 2007-09-06 | 2010-08-04 | 昭和电工株式会社 | 垂直磁记录介质以及磁记录和再现装置 |
CN111373276A (zh) * | 2017-12-01 | 2020-07-03 | 昭和电工株式会社 | 磁传感器、测量装置及磁传感器的制造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2007273055A (ja) | 2007-10-18 |
KR20070098409A (ko) | 2007-10-05 |
CN100527228C (zh) | 2009-08-12 |
US20070230052A1 (en) | 2007-10-04 |
KR100893706B1 (ko) | 2009-04-20 |
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GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SHOWA DENKO CO., LTD. Free format text: FORMER OWNER: FUJITSU LIMITED Effective date: 20100531 |
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Free format text: CORRECT: ADDRESS; FROM: KAWASAKI-SHI, KANAGAWA-KEN, JAPAN TO: TOKYO, JAPAN |
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TR01 | Transfer of patent right |
Effective date of registration: 20100531 Address after: Tokyo, Japan Patentee after: Showa Denko K. K. Address before: Kawasaki, Kanagawa, Japan Patentee before: Fujitsu Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090812 Termination date: 20100802 |