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
Links
- 230000003287 optical effect Effects 0.000 title 1
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 Table, 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...)
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Manufacturing Optical Record Carriers (AREA)
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)
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)
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 |
-
1987
- 1987-02-05 EP EP87301046A patent/EP0242942B1/de not_active Expired - Lifetime
- 1987-02-05 KR KR1019870000966A patent/KR910009072B1/ko not_active IP Right Cessation
- 1987-02-05 DE DE8787301046T patent/DE3776386D1/de not_active Expired - Fee Related
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 |