NL8900362A - Werkwijze en inrichting voor het inschrijven en uitlezen van een magneto-optische registratiedrager. - Google Patents

Werkwijze en inrichting voor het inschrijven en uitlezen van een magneto-optische registratiedrager. Download PDF

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Publication number
NL8900362A
NL8900362A NL8900362A NL8900362A NL8900362A NL 8900362 A NL8900362 A NL 8900362A NL 8900362 A NL8900362 A NL 8900362A NL 8900362 A NL8900362 A NL 8900362A NL 8900362 A NL8900362 A NL 8900362A
Authority
NL
Netherlands
Prior art keywords
radiation
spot
record carrier
information
diode laser
Prior art date
Application number
NL8900362A
Other languages
English (en)
Dutch (nl)
Inventor
Sprutt Johannes Hendriku Maria
Jacobs Bernardus Anto Johannus
Uijen Cornelis Marinu Johannes
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Priority to NL8900362A priority Critical patent/NL8900362A/nl
Priority to DE69026734T priority patent/DE69026734T2/de
Priority to EP90200296A priority patent/EP0383386B1/de
Priority to AT90200296T priority patent/ATE137600T1/de
Priority to SG1996006260A priority patent/SG44721A1/en
Priority to CN90101404A priority patent/CN1022651C/zh
Priority to KR1019900001822A priority patent/KR0152530B1/ko
Priority to JP03505690A priority patent/JP3201759B2/ja
Publication of NL8900362A publication Critical patent/NL8900362A/nl
Priority to US08/166,804 priority patent/US5442597A/en
Priority to US08/488,537 priority patent/US5553038A/en

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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
NL8900362A 1989-02-15 1989-02-15 Werkwijze en inrichting voor het inschrijven en uitlezen van een magneto-optische registratiedrager. NL8900362A (nl)

Priority Applications (10)

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.
DE69026734T DE69026734T2 (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
EP90200296A EP0383386B1 (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
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
SG1996006260A SG44721A1 (en) 1989-02-15 1990-02-09 Method of and apparatus for writing and reading a mageto-optical record carrier
CN90101404A CN1022651C (zh) 1989-02-15 1990-02-12 用于磁光记录载体的写入和读出的方法和装置
KR1019900001822A KR0152530B1 (ko) 1989-02-15 1990-02-15 자기 광학 레코드캐리어를 기록 및 판독하는 방법과 장치
JP03505690A JP3201759B2 (ja) 1989-02-15 1990-02-15 光磁気記録再生方法、この方法に用いるのに好敵な記録媒体並びに光磁気記録再生装置
US08/166,804 US5442597A (en) 1989-02-15 1993-12-14 Apparatus for writing and reading a magneto-optical record carrier
US08/488,537 US5553038A (en) 1989-02-15 1995-06-07 Magneto-optical record carrier with recording track structure suited for high density recording

Applications Claiming Priority (2)

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.
NL8900362 1989-02-15

Publications (1)

Publication Number Publication Date
NL8900362A true NL8900362A (nl) 1990-09-03

Family

ID=19854133

Family Applications (1)

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

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8900362A (nl) * 1989-02-15 1990-09-03 Philips Nv Werkwijze en inrichting voor het inschrijven en uitlezen van een magneto-optische registratiedrager.
EP0393652B1 (de) * 1989-04-19 1996-11-06 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
EP1158509A3 (de) * 1993-04-02 2002-01-02 Canon Kabushiki Kaisha Magnetooptisches Aufzeichnungsverfahren
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
US5923625A (en) * 1995-07-13 1999-07-13 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
ATE436070T1 (de) * 2002-03-29 2009-07-15 Koninkl Philips Electronics Nv Aufzeichnungsverfahren eines optischen aufzeichnungsmediums
US7480215B2 (en) * 2002-11-27 2009-01-20 Nokia Corporation Read write device for optical memory and method therefore
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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JPS57113402A (en) * 1981-01-05 1982-07-14 Ricoh Co Ltd Method and device for vertical thermomagnetic recording
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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DE3584945D1 (de) * 1984-10-30 1992-01-30 Brother Ind Ltd Magnetooptisches speichermedium und geraet zum schreiben auf und lesen von dem medium.
JPH0721897B2 (ja) * 1986-04-24 1995-03-08 インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション 光磁気データ記録装置
JP2575120B2 (ja) * 1986-07-31 1997-01-22 ソニー株式会社 光磁気記録装置
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JPS63225945A (ja) * 1987-03-16 1988-09-20 Hitachi Ltd 光磁気デイスク
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JP2839498B2 (ja) * 1988-02-03 1998-12-16 株式会社日立製作所 光ディスク媒体
NL8900362A (nl) * 1989-02-15 1990-09-03 Philips Nv Werkwijze en inrichting voor het inschrijven en uitlezen van een magneto-optische registratiedrager.
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
DE69026734T2 (de) 1996-11-07
DE69026734D1 (de) 1996-06-05
JPH02246035A (ja) 1990-10-01
SG44721A1 (en) 1997-12-19
US5442597A (en) 1995-08-15
ATE137600T1 (de) 1996-05-15
JP3201759B2 (ja) 2001-08-27
EP0383386B1 (de) 1996-05-01
KR900013475A (ko) 1990-09-05
KR0152530B1 (ko) 1998-10-15
CN1022651C (zh) 1993-11-03
EP0383386A1 (de) 1990-08-22
US5553038A (en) 1996-09-03
CN1044997A (zh) 1990-08-29

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