ATE137600T1 - Verfahren und anordnung zum schreiben und lesen eines magnetooptischen aufzeichnungsträgers, und magnetooptischer aufzeichnungsträger zur verwendung mit der anordnung - Google Patents

Verfahren und anordnung zum schreiben und lesen eines magnetooptischen aufzeichnungsträgers, und magnetooptischer aufzeichnungsträger zur verwendung mit der anordnung

Info

Publication number
ATE137600T1
ATE137600T1 AT90200296T AT90200296T ATE137600T1 AT E137600 T1 ATE137600 T1 AT E137600T1 AT 90200296 T AT90200296 T AT 90200296T AT 90200296 T AT90200296 T AT 90200296T AT E137600 T1 ATE137600 T1 AT E137600T1
Authority
AT
Austria
Prior art keywords
arrangement
recording medium
writing
reading
magnetoptical
Prior art date
Application number
AT90200296T
Other languages
English (en)
Inventor
Johannes Hendrikus Mari Spruit
Bernardus Antonius Joha Jacobs
Uijen Cornelis Marinus Joh Van
Original Assignee
Philips Electronics Nv
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 Philips Electronics Nv filed Critical Philips Electronics Nv
Application granted granted Critical
Publication of ATE137600T1 publication Critical patent/ATE137600T1/de

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
    • 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
    • G11B11/10508—Recording by modulating only the magnetic field at the transducer
    • 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
    • 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
    • G11B11/10528—Shaping of magnetic domains, e.g. form, dimensions
    • 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
AT90200296T 1989-02-15 1990-02-09 Verfahren und anordnung zum schreiben und lesen eines magnetooptischen aufzeichnungsträgers, und magnetooptischer aufzeichnungsträger zur verwendung mit der anordnung ATE137600T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8900362A NL8900362A (nl) 1989-02-15 1989-02-15 Werkwijze en inrichting voor het inschrijven en uitlezen van een magneto-optische registratiedrager.

Publications (1)

Publication Number Publication Date
ATE137600T1 true ATE137600T1 (de) 1996-05-15

Family

ID=19854133

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90200296T ATE137600T1 (de) 1989-02-15 1990-02-09 Verfahren und anordnung zum schreiben und lesen eines magnetooptischen aufzeichnungsträgers, und magnetooptischer aufzeichnungsträger zur verwendung mit der anordnung

Country Status (9)

Country Link
US (2) US5442597A (de)
EP (1) EP0383386B1 (de)
JP (1) JP3201759B2 (de)
KR (1) KR0152530B1 (de)
CN (1) CN1022651C (de)
AT (1) ATE137600T1 (de)
DE (1) DE69026734T2 (de)
NL (1) NL8900362A (de)
SG (1) SG44721A1 (de)

Families Citing this family (19)

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NL8900362A (nl) * 1989-02-15 1990-09-03 Philips Nv Werkwijze en inrichting voor het inschrijven en uitlezen van een magneto-optische registratiedrager.
DE69029048T2 (de) * 1989-04-19 1997-03-20 Hitachi Ltd Magnetooptische Aufzeichnungs- und Wiedergabeverfahren, magnetooptische Speichervorrichtung
JP2636957B2 (ja) * 1990-08-10 1997-08-06 シャープ株式会社 磁気記録再生装置
JP2838908B2 (ja) * 1990-10-19 1998-12-16 キヤノン株式会社 光磁気記録方法
JP2738785B2 (ja) * 1991-06-27 1998-04-08 三菱電機株式会社 光磁気記録再生装置
CA2060547C (en) * 1991-02-08 2002-04-23 Masumi Ohta System and method of reproducing signals recorded on a magneto-optic recording medium
EP0565751A1 (de) * 1992-04-14 1993-10-20 Pioneer Electronic Corporation Optisches Aufzeichnungsverfahren und Gerät dafür
EP0618572B1 (de) 1993-04-02 2002-07-03 Canon Kabushiki Kaisha Magneto-optisches Aufzeichnungsmedium auf dem es moglich ist, Informationen hoher Zeichendichte aufzuzeichnen und Verfahren zur Wiedergabe der aufgezeichneten Informationen
JPH09500459A (ja) * 1994-05-02 1997-01-14 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 反射防止回折格子を有する光透過性光学素子
US5530688A (en) * 1994-10-31 1996-06-25 International Business Machines Corporation Optical disk recording device using two modulated laser beams for recording information data
JP3422869B2 (ja) * 1995-01-27 2003-06-30 新日本石油株式会社 Ｈｃｆｃ冷媒及びｈｆｃ冷媒に共用可能な冷凍機油組成物
CN1037781C (zh) * 1995-06-22 1998-03-18 中国石油化工总公司 一种抗磨添加剂及其制备方法
AU6369496A (en) 1995-07-13 1997-02-10 Hitachi Maxell, Ltd. Magneto-optical recording medium and method for recording and reproduction thereon
CN1037520C (zh) * 1996-04-23 1998-02-25 北京石油化工学院设计所 一种润滑油的添加剂
CN1058517C (zh) * 1997-06-23 2000-11-15 中国石化兰州炼油化工总厂 通用齿轮油复合剂的组合物
JP2000099980A (ja) * 1998-09-17 2000-04-07 Toshiba Corp 光ディスク記録再生装置に使用される光学装置
WO2003083848A1 (en) * 2002-03-29 2003-10-09 Koninklijke Philips Electronics N.V. Writing scheme for an optical recording medium
CN1695184A (zh) * 2002-11-27 2005-11-09 诺基亚公司 光存储器的读/写设备及读/写方法
TWI427631B (zh) * 2006-10-10 2014-02-21 Thomson Licensing 記錄層具有凹溝結構之光學記錄媒體，在其上記錄用之光學拾波器及記錄裝置和方法

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JPS5826336A (ja) * 1981-08-06 1983-02-16 Pioneer Electronic Corp 光磁気記録方式の記録再生装置
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NL8902293A (nl) * 1989-09-14 1991-04-02 Philips Nv Werkwijze en inrichting voor het inschrijven en uitlezen van een magneto-optische registratiedrager.

Also Published As

Publication number Publication date
DE69026734D1 (de) 1996-06-05
SG44721A1 (en) 1997-12-19
CN1044997A (zh) 1990-08-29
JP3201759B2 (ja) 2001-08-27
EP0383386A1 (de) 1990-08-22
US5442597A (en) 1995-08-15
JPH02246035A (ja) 1990-10-01
EP0383386B1 (de) 1996-05-01
US5553038A (en) 1996-09-03
NL8900362A (nl) 1990-09-03
DE69026734T2 (de) 1996-11-07
CN1022651C (zh) 1993-11-03
KR0152530B1 (ko) 1998-10-15
KR900013475A (ko) 1990-09-05

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