ATE320652T1 - Datenspeichermedium mit seitlich magnetisierten kontaktstellen und herstellungsverfahren - Google Patents

Datenspeichermedium mit seitlich magnetisierten kontaktstellen und herstellungsverfahren

Info

Publication number
ATE320652T1
ATE320652T1 AT02764938T AT02764938T ATE320652T1 AT E320652 T1 ATE320652 T1 AT E320652T1 AT 02764938 T AT02764938 T AT 02764938T AT 02764938 T AT02764938 T AT 02764938T AT E320652 T1 ATE320652 T1 AT E320652T1
Authority
AT
Austria
Prior art keywords
storage medium
data storage
production method
contact points
side magnetized
Prior art date
Application number
AT02764938T
Other languages
English (en)
Inventor
Bernard Rodmacq
Stephane Landis
Bernard Dieny
Original Assignee
Commissariat Energie Atomique
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Application granted granted Critical
Publication of ATE320652T1 publication Critical patent/ATE320652T1/de

Links

Classifications

    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • 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
    • 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
    • G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete tracks
    • 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
    • G11B5/82—Disk carriers
    • 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
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
    • 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
    • H01F10/002—Antiferromagnetic thin films, i.e. films exhibiting a Néel transition temperature
    • 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
    • H01F10/3286—Spin-exchange coupled multilayers having at least one layer with perpendicular magnetic anisotropy
    • 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
    • H01F41/308—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 lift-off processes, e.g. ion milling, for trimming or patterning
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
  • Credit Cards Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
AT02764938T 2001-07-04 2002-07-02 Datenspeichermedium mit seitlich magnetisierten kontaktstellen und herstellungsverfahren ATE320652T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0108869A FR2827070B1 (fr) 2001-07-04 2001-07-04 Support de stockage d'informations a reseau de plots aimantes lateralement et procede de fabrication de ce support

Publications (1)

Publication Number Publication Date
ATE320652T1 true ATE320652T1 (de) 2006-04-15

Family

ID=8865115

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02764938T ATE320652T1 (de) 2001-07-04 2002-07-02 Datenspeichermedium mit seitlich magnetisierten kontaktstellen und herstellungsverfahren

Country Status (8)

Country Link
US (2) US7138193B2 (de)
EP (1) EP1407449B1 (de)
JP (1) JP4044039B2 (de)
AT (1) ATE320652T1 (de)
DE (1) DE60209923T2 (de)
ES (1) ES2260475T3 (de)
FR (1) FR2827070B1 (de)
WO (1) WO2003005349A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2860636B1 (fr) 2003-10-03 2006-12-29 Commissariat Energie Atomique Support de stockage d'informations et procede de fabrication d'un tel support
JP4651665B2 (ja) * 2004-07-22 2011-03-16 ユニベルジテート コンスタンツ 情報記憶媒体
US7553426B2 (en) * 2005-03-01 2009-06-30 Hitachi Global Storage Technologies Netherlands B.V. Apparatus, system, and method for increasing data storage density in patterned media
US7667929B2 (en) * 2005-04-04 2010-02-23 Hitachi Global Storage Technologies Netherlands B.V. Apparatus, method and system for fabricating a patterned media imprint master
US7236324B2 (en) * 2005-10-18 2007-06-26 Hitachi Global Storage Technologies Apparatus, method and system for fabricating servo patterns on high density patterned media
US7867406B2 (en) * 2007-12-26 2011-01-11 Hitachi Global Storage Technologies Netherlands, B.V. Patterned magnetic media having an exchange bridge structure connecting islands
US7976715B2 (en) * 2008-06-17 2011-07-12 Hitachi Global Storage Technologies Netherlands B.V. Method using block copolymers for making a master mold with high bit-aspect-ratio for nanoimprinting patterned magnetic recording disks
ES2406182B2 (es) * 2011-05-04 2014-01-17 Universidad De Oviedo Soporte magnético para la grabación y lectura de información, método de almacenamiento y lectura de información y su uso
FR3027453B1 (fr) 2014-10-20 2017-11-24 Commissariat Energie Atomique Dispositif resistif pour circuit memoire ou logique et procede de fabrication d'un tel dispositif
CN110444388B (zh) * 2019-08-30 2021-01-05 中国计量大学 一种强韧性高稳定性钕铁硼磁体的制备方法

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
DE3376596D1 (en) * 1982-12-06 1988-06-16 Plasmon Data Systems Nv Improvements relating to data storage and recording
US5140547A (en) * 1987-12-01 1992-08-18 Canon Kabushiki Kaisha Magnetic bubble recording element
JPH041922A (ja) * 1990-04-18 1992-01-07 Hitachi Ltd 面内磁気記録媒体及び磁気記憶装置
JP2706173B2 (ja) * 1990-09-21 1998-01-28 シャープ株式会社 磁気メモリ素子の製造方法
JPH06176343A (ja) * 1992-10-09 1994-06-24 Sumitomo Metal Ind Ltd 垂直磁気記録媒体およびその製造方法
US5536585A (en) * 1993-03-10 1996-07-16 Hitachi, Ltd. Magnetic recording medium and fabrication method therefor
JPH08124211A (ja) * 1994-10-19 1996-05-17 Fuji Xerox Co Ltd 光記録媒体
US5603766A (en) * 1995-02-23 1997-02-18 Board Of Trustees Of The Stanford Leland Junior University Method for producing uniaxial tetragonal thin films of ternary intermetallic compounds
JPH09326136A (ja) * 1996-06-05 1997-12-16 Sony Corp 光記録媒体及びその製造方法
TW342495B (en) * 1996-07-22 1998-10-11 Matsushita Electric Industrial Co Ltd Master information carrier, method of producing the same, and method for recording master information signal on magnetic recording medium
JP3329259B2 (ja) * 1998-03-20 2002-09-30 松下電器産業株式会社 マスター情報担体、および、磁気記録媒体の製造方法
JPH11296849A (ja) * 1998-04-10 1999-10-29 Matsushita Electric Ind Co Ltd マスター情報担体
JP3363409B2 (ja) * 1998-12-15 2003-01-08 シャープ株式会社 光メモリ素子及びその製造方法
US6495240B1 (en) * 1999-02-10 2002-12-17 Tdk Corporation Patterned magnetic recording medium possessing recording portions with a lower height than the surrounding non-magnetic matrix
JP2000293842A (ja) * 1999-04-02 2000-10-20 Sony Corp 磁気記録媒体、ディスク基板及びディスク基板製造用原盤
JP2000298888A (ja) * 1999-04-15 2000-10-24 Canon Inc 光磁気記録媒体
JP3333756B2 (ja) * 1999-05-25 2002-10-15 松下電器産業株式会社 マスター情報担体およびその製造方法
KR20020062593A (ko) * 2001-01-22 2002-07-26 후지 샤신 필름 가부시기가이샤 자기전사용 마스터담체
US6852431B2 (en) * 2001-10-16 2005-02-08 Canon Kabushiki Kaisha Magnetic recording media and method for manufacturing the same

Also Published As

Publication number Publication date
JP4044039B2 (ja) 2008-02-06
JP2004534345A (ja) 2004-11-11
US20070065572A1 (en) 2007-03-22
US20040151947A1 (en) 2004-08-05
FR2827070A1 (fr) 2003-01-10
DE60209923T2 (de) 2006-11-16
EP1407449B1 (de) 2006-03-15
EP1407449A1 (de) 2004-04-14
US7138193B2 (en) 2006-11-21
FR2827070B1 (fr) 2004-07-09
WO2003005349A1 (fr) 2003-01-16
DE60209923D1 (de) 2006-05-11
ES2260475T3 (es) 2006-11-01
US7767255B2 (en) 2010-08-03

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