DE69030645D1 - Optisches Aufzeichnungsmedium und Verfahren zur Herstellung davon - Google Patents

Optisches Aufzeichnungsmedium und Verfahren zur Herstellung davon

Info

Publication number
DE69030645D1
DE69030645D1 DE69030645T DE69030645T DE69030645D1 DE 69030645 D1 DE69030645 D1 DE 69030645D1 DE 69030645 T DE69030645 T DE 69030645T DE 69030645 T DE69030645 T DE 69030645T DE 69030645 D1 DE69030645 D1 DE 69030645D1
Authority
DE
Germany
Prior art keywords
producing
same
recording medium
optical recording
optical
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
DE69030645T
Other languages
English (en)
Other versions
DE69030645T2 (de
Inventor
Woon Seong Yeo
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.)
LG Electronics Inc
Original Assignee
LG Electronics 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 LG Electronics Inc filed Critical LG Electronics Inc
Application granted granted Critical
Publication of DE69030645D1 publication Critical patent/DE69030645D1/de
Publication of DE69030645T2 publication Critical patent/DE69030645T2/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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • 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
    • 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
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/2585—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on aluminium
DE69030645T 1989-12-21 1990-12-20 Optisches Aufzeichnungsmedium und Verfahren zur Herstellung davon Expired - Fee Related DE69030645T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890019165A KR0146152B1 (ko) 1989-12-21 1989-12-21 광기록매체 및 그 제조방법

Publications (2)

Publication Number Publication Date
DE69030645D1 true DE69030645D1 (de) 1997-06-12
DE69030645T2 DE69030645T2 (de) 1997-10-23

Family

ID=19293328

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69030645T Expired - Fee Related DE69030645T2 (de) 1989-12-21 1990-12-20 Optisches Aufzeichnungsmedium und Verfahren zur Herstellung davon

Country Status (4)

Country Link
EP (1) EP0434566B1 (de)
JP (1) JPH04209344A (de)
KR (1) KR0146152B1 (de)
DE (1) DE69030645T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5458941A (en) * 1994-06-09 1995-10-17 Minnesota Mining And Manufacturing Company Optical recording medium exhibiting eutectic phase equilbria

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959799A (en) * 1974-09-09 1976-05-25 International Business Machines Corporation Information storage by laser beam initiated reactions
JPS5722095A (en) * 1980-07-15 1982-02-04 Nec Corp Laser beam recording material
JPS58155541A (ja) * 1982-03-10 1983-09-16 Hitachi Ltd 情報記録用媒体
JPS6028045A (ja) * 1983-07-25 1985-02-13 Sony Corp 情報記録媒体
JPS60160036A (ja) * 1984-01-28 1985-08-21 Toshiba Corp 光デイスク
JP2537165B2 (ja) * 1984-04-25 1996-09-25 株式会社東芝 情報記録媒体
DE3437657A1 (de) * 1984-10-13 1986-04-17 Basf Ag, 6700 Ludwigshafen Irreversibles optisches medium zur informationsspeicherung und verfahren zu dessen herstellung
JPH0693300B2 (ja) * 1986-07-16 1994-11-16 松下電器産業株式会社 光学式情報記録担体の製造方法

Also Published As

Publication number Publication date
DE69030645T2 (de) 1997-10-23
EP0434566A3 (en) 1992-06-10
JPH04209344A (ja) 1992-07-30
EP0434566B1 (de) 1997-05-07
KR910013107A (ko) 1991-08-08
EP0434566A2 (de) 1991-06-26
KR0146152B1 (ko) 1998-10-15

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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