CN1591585A - 磁记录介质、磁存储装置和记录方法 - Google Patents
磁记录介质、磁存储装置和记录方法 Download PDFInfo
- Publication number
- CN1591585A CN1591585A CNA2004100429649A CN200410042964A CN1591585A CN 1591585 A CN1591585 A CN 1591585A CN A2004100429649 A CNA2004100429649 A CN A2004100429649A CN 200410042964 A CN200410042964 A CN 200410042964A CN 1591585 A CN1591585 A CN 1591585A
- Authority
- CN
- China
- Prior art keywords
- magnetosphere
- magnetic
- recording media
- layer
- magnetic recording
- 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.)
- Granted
Links
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- 229910000929 Ru alloy Inorganic materials 0.000 claims description 14
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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
-
- 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/09—Digital recording
-
- 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
-
- 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
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12882—Cu-base component alternative to Ag-, Au-, or Ni-base component
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12937—Co- or Ni-base component next to Fe-base component
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
Landscapes
- Magnetic Record Carriers (AREA)
Abstract
Description
Claims (23)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP314400/2003 | 2003-09-05 | ||
JP2003314400A JP2005085338A (ja) | 2003-09-05 | 2003-09-05 | 磁気記録媒体、磁気記憶装置、及び記録方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1591585A true CN1591585A (zh) | 2005-03-09 |
CN100358010C CN100358010C (zh) | 2007-12-26 |
Family
ID=34131912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100429649A Expired - Fee Related CN100358010C (zh) | 2003-09-05 | 2004-06-04 | 磁记录介质、磁存储装置和记录方法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7271984B2 (zh) |
EP (1) | EP1515311A1 (zh) |
JP (1) | JP2005085338A (zh) |
KR (1) | KR100637094B1 (zh) |
CN (1) | CN100358010C (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7561360B2 (en) | 2005-11-16 | 2009-07-14 | Fujitsu Limited | Magnetic recording medium |
CN109509832A (zh) * | 2017-09-14 | 2019-03-22 | 东芝存储器株式会社 | 磁阻元件和磁存储器 |
CN114974318A (zh) * | 2021-02-25 | 2022-08-30 | 株式会社东芝 | 磁头和磁记录装置 |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005085338A (ja) * | 2003-09-05 | 2005-03-31 | Fujitsu Ltd | 磁気記録媒体、磁気記憶装置、及び記録方法 |
JP2005182922A (ja) * | 2003-12-19 | 2005-07-07 | Fujitsu Ltd | 磁気記録媒体および磁気記憶装置 |
JP4540557B2 (ja) * | 2004-07-05 | 2010-09-08 | 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 |
US7504167B2 (en) * | 2005-01-13 | 2009-03-17 | Hitachi Global Storage Technologies Netherlands B.V. | Contact magnetic transfer template having magnetic islands of antiferromagnetically-coupled ferromagnetic films |
US7425377B2 (en) * | 2005-02-04 | 2008-09-16 | Hitachi Global Storage Technologies Netherlands B.V. | Incoherently-reversing magnetic laminate with exchange coupled ferromagnetic layers |
US7687157B2 (en) * | 2005-02-04 | 2010-03-30 | Hitachi Global Storage Technologies Netherlands B.V. | Perpendicular recording media having an exchange-spring structure |
US20060228586A1 (en) * | 2005-04-06 | 2006-10-12 | Seagate Technology Llc | Ferromagnetically coupled magnetic recording media |
JP4595703B2 (ja) * | 2005-06-22 | 2010-12-08 | 富士電機デバイステクノロジー株式会社 | 長手磁気記録媒体およびその製造方法 |
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 |
US8213118B2 (en) * | 2006-02-14 | 2012-07-03 | Showa Denko K.K. | Magnetic recording medium, method for production thereof and magnetic recording and reproducing device |
US20070190364A1 (en) * | 2006-02-14 | 2007-08-16 | Heraeus, Inc. | Ruthenium alloy magnetic media and sputter targets |
JP2007217807A (ja) * | 2006-02-15 | 2007-08-30 | Bridgestone Corp | スチールコード、ゴム−スチールコード複合体およびタイヤ |
US9978413B2 (en) | 2006-06-17 | 2018-05-22 | Dieter Suess | Multilayer exchange spring recording media |
JP4385043B2 (ja) * | 2006-09-15 | 2009-12-16 | Tdk株式会社 | 磁性膜の製造方法及び磁性膜 |
JP4840041B2 (ja) * | 2006-09-20 | 2011-12-21 | 株式会社日立製作所 | 電界印加磁気記録方式および記録再生装置 |
US7758981B2 (en) * | 2007-07-25 | 2010-07-20 | Hitachi Global Storage Technologies Netherlands B.V. | Method for making a master disk for nanoimprinting patterned magnetic recording disks, master disk made by the method, and disk imprinted by the master disk |
JP2009080904A (ja) * | 2007-09-26 | 2009-04-16 | Toshiba Corp | 磁気記録装置 |
JP5179833B2 (ja) * | 2007-10-30 | 2013-04-10 | 昭和電工株式会社 | 垂直磁気記録媒体、その製造方法及び磁気記憶装置 |
FR2924261A1 (fr) * | 2007-11-26 | 2009-05-29 | Commissariat Energie Atomique | Support d'enregistrement magnetique |
US7750435B2 (en) * | 2008-02-27 | 2010-07-06 | Broadcom Corporation | Inductively coupled integrated circuit and methods for use therewith |
US8107194B2 (en) * | 2008-09-24 | 2012-01-31 | International Business Machines Corporation | Writing and reading multi-layer continuous magnetic recording media |
US7911739B2 (en) * | 2008-09-25 | 2011-03-22 | International Business Machines Corporation | Writing and reading multi-level patterned magnetic recording media |
US8228636B2 (en) * | 2008-10-30 | 2012-07-24 | The Regents Of The University Of California | Apparatus, system and method for magnetic recording |
US20110003175A1 (en) * | 2009-07-02 | 2011-01-06 | Seagate Technology Llc | Composite perpendicular media with graded anisotropy layers and exchange break layers |
US8031425B2 (en) * | 2009-11-10 | 2011-10-04 | International Business Machines Corporation | Writing and reading multi-layer continuous magnetic recording media, with more than two recording layers |
US8085502B2 (en) * | 2009-11-10 | 2011-12-27 | International Business Machines Corporation | Writing and reading multi-level patterned magnetic recording media, with more than two recording levels |
US9401170B1 (en) | 2009-11-24 | 2016-07-26 | WD Media, LLC | Perpendicular magnetic recording medium with epitaxial exchange coupling layer |
US8173282B1 (en) | 2009-12-11 | 2012-05-08 | Wd Media, Inc. | Perpendicular magnetic recording medium with an ordering temperature reducing layer |
JP5643508B2 (ja) * | 2009-12-28 | 2014-12-17 | 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 | 垂直磁気記録媒体の製造方法 |
US9142240B2 (en) * | 2010-07-30 | 2015-09-22 | Seagate Technology Llc | Apparatus including a perpendicular magnetic recording layer having a convex magnetic anisotropy profile |
US8940418B1 (en) | 2010-12-23 | 2015-01-27 | WD Media, LLC | Dynamic spring media with multiple exchange coupled hard-soft magnetic layers |
US9028985B2 (en) | 2011-03-31 | 2015-05-12 | WD Media, LLC | Recording media with multiple exchange coupled magnetic layers |
US8320232B1 (en) * | 2011-07-21 | 2012-11-27 | Hitachi Global Storage Technologies Netherlands B.V. | Patterned perpendicular magnetic recording medium with multiple magnetic layers and interlayers |
US8630060B2 (en) * | 2012-03-09 | 2014-01-14 | HGST Netherlands B.V. | Thermally enabled exchange coupled media for magnetic data recording |
US9685184B1 (en) | 2014-09-25 | 2017-06-20 | WD Media, LLC | NiFeX-based seed layer for magnetic recording media |
US9558777B2 (en) | 2014-11-26 | 2017-01-31 | HGST Netherlands B.V. | Heat assisted magnetic recording (HAMR) media having a highly ordered crystalline structure |
US9818442B2 (en) * | 2014-12-01 | 2017-11-14 | WD Media, LLC | Magnetic media having improved magnetic grain size distribution and intergranular segregation |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
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US2003A (en) * | 1841-03-12 | Improvement in horizontal windivhlls | ||
JPH0757236A (ja) * | 1993-08-06 | 1995-03-03 | Tdk Corp | 磁気記録媒体およびその製造方法 |
US5851643A (en) * | 1993-11-11 | 1998-12-22 | Hitachi, Ltd. | Magnetic recording media and magnetic recording read-back system which uses such media |
US5585986A (en) * | 1995-05-15 | 1996-12-17 | International Business Machines Corporation | Digital magnetoresistive sensor based on the giant magnetoresistance effect |
US6753101B1 (en) * | 1999-06-08 | 2004-06-22 | Fujitsu Limited | Magnetic recording medium, magnetic storage apparatus, recording method and method of producing magnetic recording medium |
JP3476739B2 (ja) | 1999-06-08 | 2003-12-10 | 富士通株式会社 | 磁気記録媒体 |
US6645646B1 (en) * | 1999-06-08 | 2003-11-11 | Fujitsu Limited | Magnetic recording medium and magnetic storage apparatus |
JP3476741B2 (ja) | 1999-06-08 | 2003-12-10 | 富士通株式会社 | 磁気記録媒体及び磁気記憶装置 |
US6602612B2 (en) * | 1999-06-08 | 2003-08-05 | Fujitsu Limited | Magnetic recording medium and magnetic storage apparatus |
JP3421632B2 (ja) | 1999-06-08 | 2003-06-30 | 富士通株式会社 | 磁気記録媒体、磁気記憶装置、記録方法及び磁気記録媒体の製造方法 |
DE60006186T2 (de) * | 1999-06-08 | 2004-06-03 | Fujitsu Ltd., Kawasaki | Magnetaufzeichnungsmedium, Magnetspeichergerät, -aufzeichnungsmethode und Magnetaufzeichnungsmedium-Herstellungsverfahren |
JP2001056923A (ja) | 1999-06-08 | 2001-02-27 | Fujitsu Ltd | 磁気記録媒体及び磁気記憶装置 |
WO2001022407A1 (en) * | 1999-09-20 | 2001-03-29 | Seagate Technology, Llc | Magnetic recording head including background magnetic field generator |
US6280813B1 (en) * | 1999-10-08 | 2001-08-28 | International Business Machines Corporation | Magnetic recording media with antiferromagnetically coupled ferromagnetic films as the recording layer |
US6391430B1 (en) * | 2000-06-21 | 2002-05-21 | International Business Machines Corporation | Patterned magnetic recording media with discrete magnetic regions separated by regions of antiferromagnetically coupled films |
EP1863016B1 (en) * | 2000-11-29 | 2009-09-16 | Fujitsu Limited | Magnetic recording medium and magnetic storage apparatus |
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 |
JP3749460B2 (ja) | 2001-09-07 | 2006-03-01 | 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 |
JP2003099911A (ja) | 2001-09-26 | 2003-04-04 | Fujitsu Ltd | 磁気記録媒体及びその製造方法 |
US6899959B2 (en) * | 2002-02-12 | 2005-05-31 | Komag, Inc. | Magnetic media with improved exchange coupling |
JP2003263714A (ja) * | 2002-03-06 | 2003-09-19 | Fujitsu Ltd | 磁気記録媒体及び磁気記憶装置 |
JP2005032353A (ja) | 2003-07-14 | 2005-02-03 | Fujitsu Ltd | 磁気記録媒体、磁気記憶装置、および磁気記録媒体の記録方法 |
JP2005085338A (ja) * | 2003-09-05 | 2005-03-31 | Fujitsu Ltd | 磁気記録媒体、磁気記憶装置、及び記録方法 |
-
2003
- 2003-09-05 JP JP2003314400A patent/JP2005085338A/ja active Pending
-
2004
- 2004-05-18 EP EP04252886A patent/EP1515311A1/en not_active Withdrawn
- 2004-05-21 US US10/850,988 patent/US7271984B2/en not_active Expired - Fee Related
- 2004-06-04 CN CNB2004100429649A patent/CN100358010C/zh not_active Expired - Fee Related
- 2004-06-04 KR KR1020040040678A patent/KR100637094B1/ko not_active IP Right Cessation
-
2007
- 2007-08-14 US US11/893,253 patent/US7625643B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7561360B2 (en) | 2005-11-16 | 2009-07-14 | Fujitsu Limited | Magnetic recording medium |
CN109509832A (zh) * | 2017-09-14 | 2019-03-22 | 东芝存储器株式会社 | 磁阻元件和磁存储器 |
CN114974318A (zh) * | 2021-02-25 | 2022-08-30 | 株式会社东芝 | 磁头和磁记录装置 |
Also Published As
Publication number | Publication date |
---|---|
CN100358010C (zh) | 2007-12-26 |
KR100637094B1 (ko) | 2006-10-23 |
US20050053803A1 (en) | 2005-03-10 |
KR20050025223A (ko) | 2005-03-14 |
JP2005085338A (ja) | 2005-03-31 |
US20080002296A1 (en) | 2008-01-03 |
US7625643B2 (en) | 2009-12-01 |
EP1515311A1 (en) | 2005-03-16 |
US7271984B2 (en) | 2007-09-18 |
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