DE69127525D1 - Optisches Aufzeichnungsmedium und Verfahren zur dessen Herstellung - Google Patents

Optisches Aufzeichnungsmedium und Verfahren zur dessen Herstellung

Info

Publication number
DE69127525D1
DE69127525D1 DE69127525T DE69127525T DE69127525D1 DE 69127525 D1 DE69127525 D1 DE 69127525D1 DE 69127525 T DE69127525 T DE 69127525T DE 69127525 T DE69127525 T DE 69127525T DE 69127525 D1 DE69127525 D1 DE 69127525D1
Authority
DE
Germany
Prior art keywords
production
recording medium
optical recording
optical
medium
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
DE69127525T
Other languages
English (en)
Other versions
DE69127525T2 (de
Inventor
Hiroshi Omata
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
Publication of DE69127525D1 publication Critical patent/DE69127525D1/de
Application granted granted Critical
Publication of DE69127525T2 publication Critical patent/DE69127525T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming
    • 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
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
    • G11B11/10578—Servo format, e.g. prepits, guide tracks, pilot signals
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00745—Sectoring or header formats within a track
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks
    • G11B7/24079—Width or depth
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
DE69127525T 1990-10-03 1991-10-02 Optisches Aufzeichnungsmedium und Verfahren zur dessen Herstellung Expired - Fee Related DE69127525T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26384090 1990-10-03

Publications (2)

Publication Number Publication Date
DE69127525D1 true DE69127525D1 (de) 1997-10-09
DE69127525T2 DE69127525T2 (de) 1998-01-08

Family

ID=17394956

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69127525T Expired - Fee Related DE69127525T2 (de) 1990-10-03 1991-10-02 Optisches Aufzeichnungsmedium und Verfahren zur dessen Herstellung

Country Status (3)

Country Link
US (1) US5407720A (de)
EP (1) EP0479577B1 (de)
DE (1) DE69127525T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5517485A (en) * 1993-02-26 1996-05-14 Matsushita Electric Industrial Co., Ltd. Optical information recording medium having first and second tracks and apparatus for recording to and reproducing from the medium
US5581539A (en) * 1994-08-12 1996-12-03 Mitsubishi Chemical Corporation Optical recording medium
JP2658905B2 (ja) * 1994-10-07 1997-09-30 日本電気株式会社 光ディスクの情報処理方法およびその情報処理装置
US6487151B1 (en) 1994-12-20 2002-11-26 Matsushita Electric Industrial Co. Ltd. Optical information recording and reproducing system with overwrite capability and recording medium for use therewith
KR960030116A (ko) * 1995-01-28 1996-08-17 김광호 광자기 디스크 및 이의 제조방법
JP2738337B2 (ja) * 1995-03-31 1998-04-08 日本電気株式会社 光再生媒体の再生方法及び再生装置
US5946288A (en) * 1995-03-31 1999-08-31 Nec Corporation Optical recording medium having recording pits of different shapes
JPH08293129A (ja) * 1995-04-21 1996-11-05 Matsushita Electric Ind Co Ltd 光学的情報記録媒体
KR100224871B1 (ko) * 1997-09-30 1999-10-15 윤종용 광디스크 및 그 광디스크의 제조방법
JP3502297B2 (ja) * 1998-07-21 2004-03-02 Ｔｄｋ株式会社 光記録方法
EP1772863A3 (de) * 1999-04-08 2008-12-24 Pioneer Corporation Optisches Aufzeichnungsmedium
JP2000348388A (ja) * 1999-06-04 2000-12-15 Sharp Corp 光記録媒体
JP2006159647A (ja) * 2004-12-07 2006-06-22 Canon Inc 画像形成装置及びその方法
CA2690315A1 (en) 2007-06-06 2008-12-11 Maiworm & Dr. Bosien Grundstuecks Gbr Master device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7803517A (nl) * 1978-04-03 1979-10-05 Philips Nv Registratiedrager met een optisch uitleesbare fase- struktuur en inrichting voor het uitlezen.
FR2481501B1 (fr) * 1980-04-25 1985-09-13 Philips Nv Porteur d'enregistrement comportant une structure d'information lisible par voie optique et dispositif pour la lecture d'un tel porteur d'enregistrement
NL8100098A (nl) * 1981-01-12 1982-08-02 Philips Nv Registratiedrager met optisch uitleesbare informatiestruktuur.
AU545126B2 (en) * 1981-07-15 1985-07-04 Discovision Associates Video discs
JPS60155424A (ja) * 1984-01-26 1985-08-15 Daicel Chem Ind Ltd 大径のポリカ−ボネ−ト製光デイスク基板およびその製造法
US4939023A (en) * 1984-08-13 1990-07-03 Canon Kabushiki Kaisha Opto-magnetic recording medium
JP2548186B2 (ja) * 1987-04-13 1996-10-30 パイオニア株式会社 案内溝付光デイスク

Also Published As

Publication number Publication date
EP0479577A3 (en) 1992-10-21
US5407720A (en) 1995-04-18
EP0479577B1 (de) 1997-09-03
EP0479577A2 (de) 1992-04-08
DE69127525T2 (de) 1998-01-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee