WO2002084647A3 - Antiferromagnetisches schichtsystem und verfahren zur magnetischen datenspeicherung in derartigen antiferromagnetischen schichtsystemen - Google Patents
Antiferromagnetisches schichtsystem und verfahren zur magnetischen datenspeicherung in derartigen antiferromagnetischen schichtsystemen Download PDFInfo
- Publication number
- WO2002084647A3 WO2002084647A3 PCT/DE2002/001301 DE0201301W WO02084647A3 WO 2002084647 A3 WO2002084647 A3 WO 2002084647A3 DE 0201301 W DE0201301 W DE 0201301W WO 02084647 A3 WO02084647 A3 WO 02084647A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- antiferromagnetic layer
- methods
- ferromagnetic
- storing data
- systems
- Prior art date
Links
- 230000005290 antiferromagnetic effect Effects 0.000 title abstract 11
- 238000000034 method Methods 0.000 title abstract 3
- 230000005294 ferromagnetic effect Effects 0.000 abstract 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 abstract 1
- 238000007734 materials engineering Methods 0.000 abstract 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
- G11B11/10584—Record carriers characterised by the selection of the material or by the structure or form characterised by the form, e.g. comprising mechanical protection elements
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
- G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F10/3218—Exchange coupling of magnetic films via an antiferromagnetic interface
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
- H01F41/30—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates for applying nanostructures, e.g. by molecular beam epitaxy [MBE]
- H01F41/302—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates for applying nanostructures, e.g. by molecular beam epitaxy [MBE] for applying spin-exchange-coupled multilayers, e.g. nanostructured superlattices
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
- G11B11/10504—Recording
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
- G11B11/10515—Reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10532—Heads
-
- 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
-
- 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
-
- 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
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
- G11B9/12—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using near-field interactions; Record carriers therefor
- G11B9/14—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using near-field interactions; Record carriers therefor using microscopic probe means, i.e. recording or reproducing by means directly associated with the tip of a microscopic electrical probe as used in Scanning Tunneling Microscopy [STM] or Atomic Force Microscopy [AFM] for inducing physical or electrical perturbations in a recording medium; Record carriers or media specially adapted for such transducing of information
- G11B9/1409—Heads
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- 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
- Y10T428/32—Composite [nonstructural laminate] of inorganic material having metal-compound-containing layer and having defined magnetic layer
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Magnetic Record Carriers (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Thin Magnetic Films (AREA)
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002581516A JP2004531845A (ja) | 2001-04-12 | 2002-04-05 | 反強磁性層系およびこの形式の反強磁性層系への磁気的なデータ記憶のための方法 |
US10/473,591 US20040086750A1 (en) | 2001-04-12 | 2002-04-05 | Antiferromagnetic layer system and methods for magnectically storing data in anti-ferromagnetic layer system of the like |
EP02761864A EP1377979A2 (de) | 2001-04-12 | 2002-04-05 | Antiferromagnetisches schichtsystem und verfahren zur magnetischen datenspeicherung in derartigen antiferromagnetischen schichtsystemen |
AU2002308373A AU2002308373A1 (en) | 2001-04-12 | 2002-04-05 | Antiferromagnetic layer system and methods for magnetically storing data in antiferromagnetic layer systems of the like |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10119380.7 | 2001-04-12 | ||
DE10119380 | 2001-04-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2002084647A2 WO2002084647A2 (de) | 2002-10-24 |
WO2002084647A3 true WO2002084647A3 (de) | 2003-07-31 |
WO2002084647A8 WO2002084647A8 (de) | 2003-09-12 |
Family
ID=7682095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2002/001301 WO2002084647A2 (de) | 2001-04-12 | 2002-04-05 | Antiferromagnetisches schichtsystem und verfahren zur magnetischen datenspeicherung in derartigen antiferromagnetischen schichtsystemen |
Country Status (6)
Country | Link |
---|---|
US (1) | US20040086750A1 (de) |
EP (1) | EP1377979A2 (de) |
JP (1) | JP2004531845A (de) |
AU (1) | AU2002308373A1 (de) |
DE (1) | DE10215505A1 (de) |
WO (1) | WO2002084647A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070026880A (ko) | 2004-07-13 | 2007-03-08 | 더 리젠츠 오브 더 유니버시티 오브 캘리포니아 | 교환 바이어스 기반의 다상태 자기 메모리와 로직 디바이스및 자기적으로 안정된 자기 기억장치 |
EP1662486A1 (de) * | 2004-11-29 | 2006-05-31 | EMPA Eidgenössische Materialprüfungs- und Forschungsanstalt | Prozess zur Speicherung van Information in einer magnetischen Multischichtanordnung |
US20090237835A1 (en) * | 2008-03-20 | 2009-09-24 | Samsung Electronics Co., Ltd. | Switching field controlled (SFC) media using anti-ferromagnetic thin layer in magnetic recording |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3521294A (en) * | 1967-03-13 | 1970-07-21 | Ampex | Magneto thermal recording process and apparatus |
US4621030A (en) * | 1982-07-19 | 1986-11-04 | Hitachi, Ltd. | Perpendicular magnetic recording medium and manufacturing method thereof |
JPS62184644A (ja) * | 1986-02-10 | 1987-08-13 | Canon Inc | 光磁気メモリ用媒体及び該媒体を使用した記録方法 |
EP0847052A1 (de) * | 1996-06-14 | 1998-06-10 | Seiko Epson Corporation | Magnetooptisches aufzeichnungsmedium |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4789598A (en) * | 1987-01-20 | 1988-12-06 | International Business Machines Corporation | Thin film medium for horizontal magnetic recording having an improved cobalt-based alloy magnetic layer |
US5523173A (en) * | 1994-12-27 | 1996-06-04 | International Business Machines Corporation | Magnetic recording medium with a CoPtCrB alloy thin film with a 1120 crystallographic orientation deposited on an underlayer with 100 orientation |
JP2778626B2 (ja) * | 1995-06-02 | 1998-07-23 | 日本電気株式会社 | 磁気抵抗効果膜及びその製造方法並びに磁気抵抗効果素子 |
JPH1197764A (ja) * | 1997-09-18 | 1999-04-09 | Fujitsu Ltd | 磁気抵抗効果素子及び磁気抵抗効果型ヘッド及び磁気記録再生装置 |
JPH11161921A (ja) * | 1997-12-01 | 1999-06-18 | Nec Corp | 磁気抵抗効果素子およびその製造方法 |
US6348274B1 (en) * | 1998-12-28 | 2002-02-19 | Kabushiki Kaisha Toshiba | Magnetoresistive element and magnetic recording apparatus |
JP3884932B2 (ja) * | 2001-09-07 | 2007-02-21 | 株式会社日立グローバルストレージテクノロジーズ | 磁気記録媒体及び磁気記憶装置 |
US20030108721A1 (en) * | 2001-12-11 | 2003-06-12 | Fullerton Eric E. | Thermally - assisted magnetic recording disk with recording layer exchange- coupled to antiferromagnetic-to-ferromagnetic switching layer |
-
2002
- 2002-04-05 DE DE10215505A patent/DE10215505A1/de not_active Ceased
- 2002-04-05 AU AU2002308373A patent/AU2002308373A1/en not_active Abandoned
- 2002-04-05 JP JP2002581516A patent/JP2004531845A/ja active Pending
- 2002-04-05 EP EP02761864A patent/EP1377979A2/de not_active Withdrawn
- 2002-04-05 US US10/473,591 patent/US20040086750A1/en not_active Abandoned
- 2002-04-05 WO PCT/DE2002/001301 patent/WO2002084647A2/de not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3521294A (en) * | 1967-03-13 | 1970-07-21 | Ampex | Magneto thermal recording process and apparatus |
US4621030A (en) * | 1982-07-19 | 1986-11-04 | Hitachi, Ltd. | Perpendicular magnetic recording medium and manufacturing method thereof |
JPS62184644A (ja) * | 1986-02-10 | 1987-08-13 | Canon Inc | 光磁気メモリ用媒体及び該媒体を使用した記録方法 |
EP0847052A1 (de) * | 1996-06-14 | 1998-06-10 | Seiko Epson Corporation | Magnetooptisches aufzeichnungsmedium |
Non-Patent Citations (5)
Title |
---|
DEVASAHAYAM A J ET AL: "THE DEPENDENCE OF THE ANTIFERROMAGNET/FERROMAGNET BLOCKING TEMPERATURE ON ANTIFERROMAGNET THICKNESS AND DEPOSITION CONDITIONS", JOURNAL OF APPLIED PHYSICS, AMERICAN INSTITUTE OF PHYSICS. NEW YORK, US, vol. 85, no. 8, 15 April 1999 (1999-04-15), pages 5519 - 5521, XP000902150, ISSN: 0021-8979 * |
JENSEN P J: "MAGNETIC RECORDING MEDIUM WITH IMPROVED TEMPORAL STABILITY", APPLIED PHYSICS LETTERS, AMERICAN INSTITUTE OF PHYSICS. NEW YORK, US, vol. 78, no. 15, 9 April 2001 (2001-04-09), pages 2190 - 2192, XP001017538, ISSN: 0003-6951 * |
PATENT ABSTRACTS OF JAPAN vol. 012, no. 032 (P - 661) 30 January 1988 (1988-01-30) * |
SALANSKY N M: "SOME MAGNETOOPTICAL AND HF PROPERTIES OF MAGNETIC FILMS", IEEE TRANSACTIONS ON MAGNETICS, IEEE INC. NEW YORK, US, vol. 10, no. 4, 1 December 1974 (1974-12-01), pages 1033 - 1038, XP000616891, ISSN: 0018-9464 * |
TAKANO K ET AL: "STRUCTURAL AND MAGNETOCRYSTALLINE ANISOTROPY CONTRIBUTIONS TO THE BLOCKING TEMPERATURES OF NIXCO(1-X)O EXCHANGE COUPLES (ABSTRACT)", JOURNAL OF APPLIED PHYSICS, AMERICAN INSTITUTE OF PHYSICS. NEW YORK, US, vol. 79, no. 8, PART 2A, 15 April 1996 (1996-04-15), pages 4932, XP000695651, ISSN: 0021-8979 * |
Also Published As
Publication number | Publication date |
---|---|
AU2002308373A1 (en) | 2002-10-28 |
US20040086750A1 (en) | 2004-05-06 |
WO2002084647A2 (de) | 2002-10-24 |
EP1377979A2 (de) | 2004-01-07 |
JP2004531845A (ja) | 2004-10-14 |
DE10215505A1 (de) | 2002-10-24 |
WO2002084647A8 (de) | 2003-09-12 |
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