CN1106638C - 磁光记录材料系统 - Google Patents

磁光记录材料系统 Download PDF

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Publication number
CN1106638C
CN1106638C CN93108471A CN93108471A CN1106638C CN 1106638 C CN1106638 C CN 1106638C CN 93108471 A CN93108471 A CN 93108471A CN 93108471 A CN93108471 A CN 93108471A CN 1106638 C CN1106638 C CN 1106638C
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China
Prior art keywords
layer
material system
substrate
multilayer
table top
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
Application number
CN93108471A
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English (en)
Chinese (zh)
Other versions
CN1081769A (zh
Inventor
约瑟夫·米勒
德里克·保罗·阿什利·皮尔逊
菲利普·乔治·皮彻
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Johnson Matthey PLC
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Johnson Matthey PLC
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Publication date
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Publication of CN1081769A publication Critical patent/CN1081769A/zh
Application granted granted Critical
Publication of CN1106638C publication Critical patent/CN1106638C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • 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
    • H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
    • H01F10/325—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the spacer being noble metal
    • 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
    • H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
    • H01F10/3268—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn
    • H01F10/3281—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn only by use of asymmetry of the magnetic film pair itself, i.e. so-called pseudospin valve [PSV] structure, e.g. NiFe/Cu/Co
    • 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
    • G11B11/10517—Overwriting or erasing
    • G11B11/10519—Direct overwriting, i.e. performing erasing and recording using the same transducing means
    • G11B11/10521—Direct overwriting, i.e. performing erasing and recording using the same transducing means using a single light spot
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • 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
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
    • 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.]
    • Y10T428/12632—Four or more distinct components with alternate recurrence of each type 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
    • 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
    • Y10T428/12875—Platinum group metal-base component

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Nanotechnology (AREA)
  • Physical Vapour Deposition (AREA)
  • Glass Compositions (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Lasers (AREA)
  • Semiconductor Memories (AREA)
  • Mram Or Spin Memory Techniques (AREA)
CN93108471A 1992-07-28 1993-07-28 磁光记录材料系统 Expired - Fee Related CN1106638C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9216074.6 1992-07-28
GBGB92/16074.6 1992-07-28
GB929216074A GB9216074D0 (en) 1992-07-28 1992-07-28 Magneto-optical recording materials system

Publications (2)

Publication Number Publication Date
CN1081769A CN1081769A (zh) 1994-02-09
CN1106638C true CN1106638C (zh) 2003-04-23

Family

ID=10719466

Family Applications (1)

Application Number Title Priority Date Filing Date
CN93108471A Expired - Fee Related CN1106638C (zh) 1992-07-28 1993-07-28 磁光记录材料系统

Country Status (18)

Country Link
US (2) US5702830A (enExample)
EP (1) EP0653092B1 (enExample)
JP (1) JPH07509335A (enExample)
KR (1) KR100256896B1 (enExample)
CN (1) CN1106638C (enExample)
AT (1) ATE148578T1 (enExample)
AU (1) AU669924B2 (enExample)
BR (1) BR9306791A (enExample)
CA (1) CA2141308A1 (enExample)
DE (1) DE69307896T2 (enExample)
DK (1) DK0653092T3 (enExample)
ES (1) ES2096937T3 (enExample)
GB (1) GB9216074D0 (enExample)
GR (1) GR3022426T3 (enExample)
MY (1) MY114237A (enExample)
RU (1) RU2117338C1 (enExample)
TW (1) TW234759B (enExample)
WO (1) WO1994002940A1 (enExample)

Families Citing this family (17)

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Publication number Priority date Publication date Assignee Title
EP0642125B1 (en) * 1993-08-04 1999-10-20 Koninklijke Philips Electronics N.V. Magneto-optical recording medium
EP0762410A4 (en) * 1994-05-10 1998-01-07 Hitachi Maxell MAGNETO-OPTICAL RECORDING MEDIUM, RECORDING AND REPRODUCING METHOD AND APPARATUS
WO2000072600A2 (en) * 1999-05-14 2000-11-30 Koninklijke Philips Electronics N.V. Method of converting a packetized stream of information signals into a stream of information signals with time stamps and vice versa
US6893542B1 (en) 1999-09-10 2005-05-17 Seagate Technology Llc Sputtered multilayer magnetic recording media with ultra-high coercivity
US6777112B1 (en) 2000-10-10 2004-08-17 Seagate Technology Llc Stabilized recording media including coupled discontinuous and continuous magnetic layers
US6846576B1 (en) 2002-04-10 2005-01-25 Seagate Technology Llc Coupling enhancement for medium with anti-ferromagnetic coupling
EP1509914A4 (en) * 2002-06-05 2007-10-31 Lg Electronics Inc HIGH-DENSITY DOUBLE-LAYER OPTICAL DATA CARRIER
US8066718B2 (en) 2003-03-18 2011-11-29 Depuy Mitek, Inc. Expandable needle suture apparatus and associated handle assembly
US8585714B2 (en) * 2003-03-18 2013-11-19 Depuy Mitek, Llc Expandable needle suture apparatus and associated handle assembly with rotational suture manipulation system
US7940286B2 (en) 2004-11-24 2011-05-10 Chimei Innolux Corporation Display having controllable gray scale circuit
DE102005057696A1 (de) * 2005-12-02 2007-08-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Katalysator, Verfahren zu dessen Herstellung und dessen Verwendung
US8535766B2 (en) 2008-10-22 2013-09-17 Applied Materials, Inc. Patterning of magnetic thin film using energized ions
KR101622568B1 (ko) * 2008-10-22 2016-05-19 어플라이드 머티어리얼스, 인코포레이티드 활성화된 이온들을 이용한 자기 박막의 패터닝
JP2010135041A (ja) * 2008-12-08 2010-06-17 Showa Denko Kk 垂直磁気記憶媒体および多層構造膜並びに記憶装置
US8685547B2 (en) 2009-02-19 2014-04-01 Seagate Technology Llc Magnetic recording media with enhanced writability and thermal stability
US9142240B2 (en) 2010-07-30 2015-09-22 Seagate Technology Llc Apparatus including a perpendicular magnetic recording layer having a convex magnetic anisotropy profile
CN112836172B (zh) * 2020-12-31 2025-02-25 杭州电子科技大学 一种多层各向异性手征媒质的透射谱的计算方法

Family Cites Families (17)

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DE3866314D1 (de) * 1987-08-26 1992-01-02 Sony Corp Magnetooptischer aufzeichnungstraeger.
US5109325A (en) * 1987-12-29 1992-04-28 A. Schonbek & Co., Inc. Fastening device for chandelier trimmings
JPH01199341A (ja) * 1988-02-03 1989-08-10 Nikon Corp 磁性層間の交換総合力が制御されたオーバーライト可能な光磁気記録媒体
DE3914121A1 (de) * 1988-04-28 1989-11-16 Nikon Corp Ueberschreibbarer magnetooptischer aufzeichnungstraeger
US5239534A (en) * 1988-12-12 1993-08-24 Nikon Corporation Multi-layer over write capable magnetooptical recording medium
NL8803168A (nl) * 1988-12-24 1990-07-16 Philips Nv Werkwijze voor het thermomagnetisch registreren van informatie en het optisch uitlezen van de geregistreerde informatie alsmede een registratie-element dat geschikt is voor toepassing in deze werkwijze.
US5087532A (en) * 1989-08-01 1992-02-11 Minnesota Mining And Manufacturing Company Direct-overwrite magneto-optic media
JPH03157838A (ja) * 1989-11-15 1991-07-05 Nikon Corp 光磁気記録媒体
US5106703A (en) * 1989-11-27 1992-04-21 Carcia Peter F Platinum/cobalt multilayer film for magneto-optical recording
US5068022A (en) * 1989-11-27 1991-11-26 E. I. Du Pont De Nemours And Company Process for sputtering multilayers for magneto-optical recording
JPH03235237A (ja) * 1990-02-13 1991-10-21 Hitachi Ltd 光磁気記録膜の構造
WO1991014263A1 (en) * 1990-03-15 1991-09-19 E.I. Du Pont De Nemours And Company Platinum or palladium/cobalt multilayer on a zinc oxide or indium oxide layer for magneto-optical recording
US5082749A (en) * 1990-03-15 1992-01-21 E. I. Du Pont De Nemours And Company Platinum or palladium/cobalt multilayer on a zinc oxide or indium oxide layer for magneto-optical recording
CA2039251A1 (en) * 1990-03-29 1991-09-30 Kiyotaka Shindo Magneto-optical recording media
JPH056820A (ja) * 1990-12-28 1993-01-14 Sony Corp 光磁気記録媒体
US5462811A (en) * 1991-04-11 1995-10-31 Hitachi, Ltd. Magneto-optical recording media and mangeto-optical device using the media
EP1160782A3 (en) * 1991-12-27 2004-09-22 Honeywell International Inc. Multilayered magnetooptical recording medium and manufacturing method

Also Published As

Publication number Publication date
US6022630A (en) 2000-02-08
RU2117338C1 (ru) 1998-08-10
TW234759B (enExample) 1994-11-21
CN1081769A (zh) 1994-02-09
WO1994002940A1 (en) 1994-02-03
ES2096937T3 (es) 1997-03-16
GR3022426T3 (en) 1997-04-30
US5702830A (en) 1997-12-30
KR100256896B1 (ko) 2000-05-15
KR950702733A (ko) 1995-07-29
DE69307896D1 (de) 1997-03-13
MY114237A (en) 2002-09-30
AU669924B2 (en) 1996-06-27
EP0653092A1 (en) 1995-05-17
BR9306791A (pt) 1998-12-08
CA2141308A1 (en) 1994-02-03
DE69307896T2 (de) 1997-06-05
DK0653092T3 (da) 1997-02-17
JPH07509335A (ja) 1995-10-12
ATE148578T1 (de) 1997-02-15
RU95104946A (ru) 1996-12-20
AU4716593A (en) 1994-02-14
GB9216074D0 (en) 1992-09-09
EP0653092B1 (en) 1997-01-29

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