CN100373458C - 磁记录介质 - Google Patents
磁记录介质 Download PDFInfo
- Publication number
- CN100373458C CN100373458C CNB018072267A CN01807226A CN100373458C CN 100373458 C CN100373458 C CN 100373458C CN B018072267 A CNB018072267 A CN B018072267A CN 01807226 A CN01807226 A CN 01807226A CN 100373458 C CN100373458 C CN 100373458C
- Authority
- CN
- China
- Prior art keywords
- ferromagnetic thin
- thin film
- medium
- film
- main stor
- 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
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 104
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 67
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000010409 thin film Substances 0.000 claims description 64
- 239000010408 film Substances 0.000 claims description 61
- 230000008878 coupling Effects 0.000 claims description 32
- 238000010168 coupling process Methods 0.000 claims description 32
- 238000005859 coupling reaction Methods 0.000 claims description 32
- 230000005303 antiferromagnetism Effects 0.000 claims description 24
- 230000004888 barrier function Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 19
- 229910045601 alloy Inorganic materials 0.000 claims description 14
- 239000000956 alloy Substances 0.000 claims description 14
- 230000005415 magnetization Effects 0.000 claims description 13
- 239000011651 chromium Substances 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000010948 rhodium Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 230000016507 interphase Effects 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 229910052741 iridium Inorganic materials 0.000 claims description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 229910052703 rhodium Inorganic materials 0.000 claims description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 42
- 239000002245 particle Substances 0.000 description 10
- 239000002131 composite material Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000005290 antiferromagnetic effect Effects 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000003302 ferromagnetic material Substances 0.000 description 7
- 230000005307 ferromagnetism Effects 0.000 description 5
- 230000005381 magnetic domain Effects 0.000 description 5
- 239000006249 magnetic particle Substances 0.000 description 5
- 229910000531 Co alloy Inorganic materials 0.000 description 4
- 238000013459 approach Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000010952 cobalt-chrome Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- 101000619542 Homo sapiens E3 ubiquitin-protein ligase parkin Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910017709 Ni Co Inorganic materials 0.000 description 1
- 229910003267 Ni-Co Inorganic materials 0.000 description 1
- 229910003271 Ni-Fe Inorganic materials 0.000 description 1
- 229910000943 NiAl Inorganic materials 0.000 description 1
- 229910003262 Ni‐Co Inorganic materials 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000005298 paramagnetic effect Effects 0.000 description 1
- 102000045222 parkin Human genes 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005477 sputtering target Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910052720 vanadium 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
- G11B5/66—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
- G11B5/62—Record carriers characterised by the selection of the material
-
- 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
- G11B5/672—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 different compositions in a plurality of magnetic layers, e.g. layer compositions having differing elemental components or differing proportions of elements
-
- 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
- Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
- Liquid Crystal (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/536,868 | 2000-03-27 | ||
US09/536,868 US6383668B1 (en) | 2000-03-27 | 2000-03-27 | Magnetic recording media with antiferromagnetically coupled host layer for the magnetic recording layer |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1419688A CN1419688A (zh) | 2003-05-21 |
CN100373458C true CN100373458C (zh) | 2008-03-05 |
Family
ID=24140247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018072267A Expired - Fee Related CN100373458C (zh) | 2000-03-27 | 2001-03-19 | 磁记录介质 |
Country Status (12)
Country | Link |
---|---|
US (1) | US6383668B1 (zh) |
EP (1) | EP1275110B1 (zh) |
JP (1) | JP3836373B2 (zh) |
KR (1) | KR100469531B1 (zh) |
CN (1) | CN100373458C (zh) |
AT (1) | ATE347164T1 (zh) |
AU (1) | AU2001240880A1 (zh) |
CA (1) | CA2398950A1 (zh) |
DE (1) | DE60124888T2 (zh) |
MY (1) | MY119063A (zh) |
TW (1) | TW509919B (zh) |
WO (1) | WO2001073762A2 (zh) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6773834B2 (en) * | 1999-10-08 | 2004-08-10 | Hitachi Global Storage Technologies Netherlands B.V. | Laminated magnetic recording media with antiferromagnetically coupled layer as one of the individual magnetic layers in the laminate |
JP3350512B2 (ja) * | 2000-05-23 | 2002-11-25 | 株式会社日立製作所 | 垂直磁気記録媒体及び磁気記録再生装置 |
US6759149B1 (en) * | 2000-07-25 | 2004-07-06 | Seagate Technology Llc | Laminated medium with antiferromagnetic stabilization layers |
JP3848072B2 (ja) * | 2000-09-29 | 2006-11-22 | 富士通株式会社 | 磁気記録媒体及びこれを用いた磁気記憶装置 |
EP1863016B1 (en) * | 2000-11-29 | 2009-09-16 | Fujitsu Limited | Magnetic recording medium and magnetic storage apparatus |
JP2002279618A (ja) * | 2001-03-19 | 2002-09-27 | Hitachi Ltd | 磁気記録媒体 |
JPWO2002095739A1 (ja) * | 2001-05-23 | 2004-09-09 | 富士通株式会社 | 垂直記録型の磁気記録媒体及びこれを用いた磁気記憶装置 |
JP4072324B2 (ja) * | 2001-06-26 | 2008-04-09 | 株式会社日立グローバルストレージテクノロジーズ | 磁気記録媒体及びその製造方法 |
JP4746778B2 (ja) * | 2001-06-28 | 2011-08-10 | 株式会社日立グローバルストレージテクノロジーズ | 磁気記録媒体及びそれを用いた磁気記憶装置 |
SG108859A1 (en) * | 2001-07-03 | 2005-02-28 | Hoya Corp | Magnetic recording medium |
SG96659A1 (en) * | 2001-11-08 | 2003-06-16 | Inst Data Storage | Laminated antiferromagnetically coupled media for data storage |
JP2003162813A (ja) * | 2001-11-28 | 2003-06-06 | Hitachi Ltd | 磁気記録媒体および磁気記憶装置 |
US6852426B1 (en) * | 2001-12-20 | 2005-02-08 | Seagate Technology Llc | Hybrid anti-ferromagnetically coupled and laminated magnetic media |
JP2005521980A (ja) * | 2002-03-29 | 2005-07-21 | 富士通株式会社 | 磁気記録媒体及び磁気記憶装置 |
US6811890B1 (en) | 2002-04-08 | 2004-11-02 | Maxtor Corporation | Intermediate layer for antiferromagnetically exchange coupled media |
US6878460B1 (en) | 2002-11-07 | 2005-04-12 | Seagate Technology Llc | Thin-film magnetic recording media with dual intermediate layer structure for increased coercivity |
US20040166371A1 (en) * | 2003-02-26 | 2004-08-26 | Berger Andreas Klaus Dieter | Magnetic recording media with write-assist layer |
US6835476B2 (en) * | 2003-03-11 | 2004-12-28 | Hitachi Global Storage Technologies Netherlands B.V. | Antiferromagnetically coupled magnetic recording media with CoCrFe alloy first ferromagnetic film |
US6964819B1 (en) * | 2003-05-06 | 2005-11-15 | Seagate Technology Llc | Anti-ferromagnetically coupled recording media with enhanced RKKY coupling |
US7592079B1 (en) | 2003-07-03 | 2009-09-22 | Seagate Technology Llc | Method to improve remanence-squareness-thickness-product and coercivity profiles in magnetic media |
US7201977B2 (en) * | 2004-03-23 | 2007-04-10 | Seagate Technology Llc | Anti-ferromagnetically coupled granular-continuous magnetic recording media |
JP2006185489A (ja) * | 2004-12-27 | 2006-07-13 | Fujitsu Ltd | 磁気記録媒体および磁気記憶装置 |
US7556870B2 (en) * | 2005-08-15 | 2009-07-07 | Hitachi Global Storage Technologies Netherlands B.V. | Antiferromagnetically coupled media for magnetic recording with weak coupling layer |
US9978413B2 (en) | 2006-06-17 | 2018-05-22 | Dieter Suess | Multilayer exchange spring recording media |
US8580580B2 (en) | 2010-04-01 | 2013-11-12 | Seagate Technology Llc | Magnetic element with varying areal extents |
KR20230046561A (ko) * | 2021-09-30 | 2023-04-06 | 현대자동차주식회사 | 스핀오빗토크 소자 및 스핀오빗토크 소자 제조 방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06103553A (ja) * | 1992-09-18 | 1994-04-15 | Fujitsu Ltd | 垂直磁気記録媒体とその製造方法 |
JPH087235A (ja) * | 1994-06-15 | 1996-01-12 | Internatl Business Mach Corp <Ibm> | スピン・バルブ磁気抵抗素子及び関連する装置 |
JPH11329836A (ja) * | 1998-03-17 | 1999-11-30 | Toshiba Corp | 交換結合膜、磁気センサ、磁気記録ヘッド、及び磁気記録媒体 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5815342A (en) * | 1992-07-13 | 1998-09-29 | Kabushiki Kaisha Toshiba | Perpendicular magnetic recording/reproducing apparatus |
US5569533A (en) * | 1994-03-14 | 1996-10-29 | Hmt Technology Corporation | Thin-film medium with sublayer |
US5843589A (en) * | 1995-12-21 | 1998-12-01 | Hitachi, Ltd. | Magnetic layered material, and magnetic sensor and magnetic storage/read system based thereon |
DE69940130D1 (de) * | 1998-03-13 | 2009-01-29 | Hoya Corp | Kristallisiertes Glas für Informationsaufzeichnungsmedium, kristallisiertes Glas-Substrat, und Informationsaufzeichnungsmedium unter Verwendung des kristallisierten Glas-Substrats |
US6307708B1 (en) * | 1998-03-17 | 2001-10-23 | Kabushiki Kaisha Toshiba | Exchange coupling film having a plurality of local magnetic regions, magnetic sensor having the exchange coupling film, and magnetic head having the same |
JPH11296832A (ja) * | 1998-04-02 | 1999-10-29 | Sony Corp | 磁気記録媒体 |
DE60006186T2 (de) * | 1999-06-08 | 2004-06-03 | Fujitsu Ltd., Kawasaki | Magnetaufzeichnungsmedium, Magnetspeichergerät, -aufzeichnungsmethode und Magnetaufzeichnungsmedium-Herstellungsverfahren |
US6280813B1 (en) * | 1999-10-08 | 2001-08-28 | International Business Machines Corporation | Magnetic recording media with antiferromagnetically coupled ferromagnetic films as the recording layer |
-
2000
- 2000-03-27 US US09/536,868 patent/US6383668B1/en not_active Expired - Fee Related
-
2001
- 2001-03-19 EP EP01911961A patent/EP1275110B1/en not_active Expired - Lifetime
- 2001-03-19 JP JP2001571399A patent/JP3836373B2/ja not_active Expired - Fee Related
- 2001-03-19 CN CNB018072267A patent/CN100373458C/zh not_active Expired - Fee Related
- 2001-03-19 CA CA002398950A patent/CA2398950A1/en not_active Abandoned
- 2001-03-19 AU AU2001240880A patent/AU2001240880A1/en not_active Abandoned
- 2001-03-19 DE DE60124888T patent/DE60124888T2/de not_active Expired - Fee Related
- 2001-03-19 WO PCT/GB2001/001180 patent/WO2001073762A2/en active IP Right Grant
- 2001-03-19 AT AT01911961T patent/ATE347164T1/de not_active IP Right Cessation
- 2001-03-19 KR KR10-2002-7012328A patent/KR100469531B1/ko not_active IP Right Cessation
- 2001-03-22 TW TW090106751A patent/TW509919B/zh not_active IP Right Cessation
- 2001-03-22 MY MYPI20011370A patent/MY119063A/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06103553A (ja) * | 1992-09-18 | 1994-04-15 | Fujitsu Ltd | 垂直磁気記録媒体とその製造方法 |
JPH087235A (ja) * | 1994-06-15 | 1996-01-12 | Internatl Business Mach Corp <Ibm> | スピン・バルブ磁気抵抗素子及び関連する装置 |
JPH11329836A (ja) * | 1998-03-17 | 1999-11-30 | Toshiba Corp | 交換結合膜、磁気センサ、磁気記録ヘッド、及び磁気記録媒体 |
Also Published As
Publication number | Publication date |
---|---|
MY119063A (en) | 2005-03-31 |
EP1275110A2 (en) | 2003-01-15 |
WO2001073762A2 (en) | 2001-10-04 |
KR20020084220A (ko) | 2002-11-04 |
DE60124888D1 (de) | 2007-01-11 |
TW509919B (en) | 2002-11-11 |
JP3836373B2 (ja) | 2006-10-25 |
AU2001240880A1 (en) | 2001-10-08 |
WO2001073762A3 (en) | 2002-04-04 |
DE60124888T2 (de) | 2007-09-27 |
CN1419688A (zh) | 2003-05-21 |
CA2398950A1 (en) | 2001-10-04 |
EP1275110B1 (en) | 2006-11-29 |
KR100469531B1 (ko) | 2005-02-02 |
ATE347164T1 (de) | 2006-12-15 |
JP2003529174A (ja) | 2003-09-30 |
US6383668B1 (en) | 2002-05-07 |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI GST Free format text: FORMER OWNER: INTERNATIONAL BUSINESS MACHINE CORP. Effective date: 20040106 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20040106 Address after: Amsterdam Applicant after: Hitachi Global Storage Tech Address before: American New York Applicant before: International Business Machines Corp. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080305 Termination date: 20100319 |