JP2003303456A - 光磁気記録媒体、および、その製造方法 - Google Patents

光磁気記録媒体、および、その製造方法

Info

Publication number
JP2003303456A
JP2003303456A JP2002106141A JP2002106141A JP2003303456A JP 2003303456 A JP2003303456 A JP 2003303456A JP 2002106141 A JP2002106141 A JP 2002106141A JP 2002106141 A JP2002106141 A JP 2002106141A JP 2003303456 A JP2003303456 A JP 2003303456A
Authority
JP
Japan
Prior art keywords
layer
recording
reproducing
magneto
domain wall
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.)
Pending
Application number
JP2002106141A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003303456A5 (https=
Inventor
Toshimori Miyakoshi
俊守 宮越
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2002106141A priority Critical patent/JP2003303456A/ja
Priority to US10/403,295 priority patent/US20030189878A1/en
Publication of JP2003303456A publication Critical patent/JP2003303456A/ja
Publication of JP2003303456A5 publication Critical patent/JP2003303456A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G11B11/10589—Details
    • G11B11/10593—Details for improving read-out properties, e.g. polarisation of light
    • 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
JP2002106141A 2002-04-09 2002-04-09 光磁気記録媒体、および、その製造方法 Pending JP2003303456A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002106141A JP2003303456A (ja) 2002-04-09 2002-04-09 光磁気記録媒体、および、その製造方法
US10/403,295 US20030189878A1 (en) 2002-04-09 2003-04-01 Magneto-optical recording medium having magnetic film formed by sputtering and method of producing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002106141A JP2003303456A (ja) 2002-04-09 2002-04-09 光磁気記録媒体、および、その製造方法

Publications (2)

Publication Number Publication Date
JP2003303456A true JP2003303456A (ja) 2003-10-24
JP2003303456A5 JP2003303456A5 (https=) 2005-07-21

Family

ID=28672407

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002106141A Pending JP2003303456A (ja) 2002-04-09 2002-04-09 光磁気記録媒体、および、その製造方法

Country Status (2)

Country Link
US (1) US20030189878A1 (https=)
JP (1) JP2003303456A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004192677A (ja) * 2002-12-09 2004-07-08 Canon Inc 磁壁移動型光磁気記録媒体
JP4773254B2 (ja) * 2006-03-15 2011-09-14 太陽誘電株式会社 高周波磁性薄膜及び高周波電子デバイス

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2812817B2 (ja) * 1991-07-08 1998-10-22 シャープ株式会社 光磁気記録媒体
JPH10134435A (ja) * 1996-10-31 1998-05-22 Sony Corp 光磁気記録媒体
KR100586334B1 (ko) * 1998-01-30 2006-06-07 소니 가부시끼 가이샤 광자기 기록 매체 및 신호 재생 방법
JP3787438B2 (ja) * 1998-09-28 2006-06-21 キヤノン株式会社 光磁気記録媒体とその製造方法
JP2000306281A (ja) * 1999-04-20 2000-11-02 Sony Corp データ再生装置および方法
JP4350312B2 (ja) * 2001-01-12 2009-10-21 キヤノン株式会社 磁壁移動型光磁気記録媒体および情報再生方法

Also Published As

Publication number Publication date
US20030189878A1 (en) 2003-10-09

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