DE3776386D1 - Optisches aufzeichnungsmedium und verfahren zu dessen herstellung. - Google Patents

Optisches aufzeichnungsmedium und verfahren zu dessen herstellung.

Info

Publication number
DE3776386D1
DE3776386D1 DE8787301046T DE3776386T DE3776386D1 DE 3776386 D1 DE3776386 D1 DE 3776386D1 DE 8787301046 T DE8787301046 T DE 8787301046T DE 3776386 T DE3776386 T DE 3776386T DE 3776386 D1 DE3776386 D1 DE 3776386D1
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
DE8787301046T
Other languages
English (en)
Inventor
Toshihiko Yoshitomi
Yoshimitsu Kobayashi
Yoshiyuki Kisaka
Hidemi Yoshida
Michikazu Horie
Takanori Mitsubischi Ka Tamura
Mitsuaki Mitsubischi Ka Ohgaki
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.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
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
Priority claimed from JP61095264A external-priority patent/JPS62252543A/ja
Priority claimed from JP61142167A external-priority patent/JPS62298944A/ja
Priority claimed from JP61220833A external-priority patent/JPS6374139A/ja
Priority claimed from JP61302607A external-priority patent/JPS63155443A/ja
Priority claimed from JP61306073A external-priority patent/JPS63160027A/ja
Priority claimed from JP61307120A external-priority patent/JPS63160031A/ja
Priority claimed from JP62002966A external-priority patent/JPS63171446A/ja
Priority claimed from JP62013650A external-priority patent/JPS63182188A/ja
Application filed by Mitsubishi Kasei Corp filed Critical Mitsubishi Kasei Corp
Publication of DE3776386D1 publication Critical patent/DE3776386D1/de
Application granted granted Critical
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
    • G11B7/2433—Metals or elements of groups 13, 14, 15 or 16 of the Periodic System, e.g. B, Si, Ge, As, Sb, Bi, Se or Te
    • 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
    • G11B7/257—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B7/2572—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of organic materials
    • 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
    • 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
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • 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
    • G11B2007/24318—Non-metallic elements
    • G11B2007/24326—Halides (F, CI, Br...)
DE8787301046T 1986-04-24 1987-02-05 Optisches aufzeichnungsmedium und verfahren zu dessen herstellung. Expired - Fee Related DE3776386D1 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP61095264A JPS62252543A (ja) 1986-04-24 1986-04-24 光学的記録用媒体
JP61142167A JPS62298944A (ja) 1986-06-18 1986-06-18 光学的記録用媒体
JP61220833A JPS6374139A (ja) 1986-09-18 1986-09-18 光学的記録用媒体
JP61302607A JPS63155443A (ja) 1986-12-18 1986-12-18 光学的記録用媒体
JP61306073A JPS63160027A (ja) 1986-12-22 1986-12-22 光学的記録用媒体
JP61307120A JPS63160031A (ja) 1986-12-23 1986-12-23 光学的記録用媒体
JP62002966A JPS63171446A (ja) 1987-01-09 1987-01-09 光学的記録用媒体の製造方法
JP62013650A JPS63182188A (ja) 1987-01-23 1987-01-23 光学的記録用媒体

Publications (1)

Publication Number Publication Date
DE3776386D1 true DE3776386D1 (de) 1992-03-12

Family

ID=27571484

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787301046T Expired - Fee Related DE3776386D1 (de) 1986-04-24 1987-02-05 Optisches aufzeichnungsmedium und verfahren zu dessen herstellung.

Country Status (3)

Country Link
EP (1) EP0242942B1 (de)
KR (1) KR910009072B1 (de)
DE (1) DE3776386D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0405450A3 (en) * 1989-06-30 1991-08-21 Kabushiki Kaisha Toshiba Data recording medium and method of manufacturing the same
DE60309232T2 (de) 2002-03-05 2007-09-06 Mitsubishi Kagaku Media Co. Ltd. Phasenwechselaufzeichnungsmaterial für ein Informationsaufzeichnungsmedium und ein Informationsaufzeichnungsmedium dieses verwendend

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2718157A1 (de) * 1977-04-23 1978-11-02 Licentia Gmbh Verfahren zum herstellen eines elektrophotographischen aufzeichnungsmaterials
JPS59103314A (ja) * 1982-12-03 1984-06-14 Seiko Instr & Electronics Ltd 光磁気記録媒体

Also Published As

Publication number Publication date
EP0242942B1 (de) 1992-01-29
EP0242942A2 (de) 1987-10-28
EP0242942A3 (en) 1988-11-09
KR910009072B1 (ko) 1991-10-28
KR870010504A (ko) 1987-11-30

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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