DE3783244D1 - Optischer aufzeichnungstraeger. - Google Patents
Optischer aufzeichnungstraeger.Info
- Publication number
- DE3783244D1 DE3783244D1 DE8787102796T DE3783244T DE3783244D1 DE 3783244 D1 DE3783244 D1 DE 3783244D1 DE 8787102796 T DE8787102796 T DE 8787102796T DE 3783244 T DE3783244 T DE 3783244T DE 3783244 D1 DE3783244 D1 DE 3783244D1
- Authority
- DE
- Germany
- Prior art keywords
- record carrier
- optical record
- optical
- carrier
- record
- 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 - Lifetime
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
- G11B7/266—Sputtering or spin-coating 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
- G11B7/241—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
- G11B7/241—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
- G11B2007/24304—Metals or metalloids group 2 or 12 elements (e.g. Be, Ca, Mg, Zn, Cd)
-
- 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
- G11B2007/24308—Metals or metalloids transition metal elements of group 11 (Cu, Ag, Au)
-
- 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
- G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
-
- 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
- G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
- G11B7/00454—Recording involving phase-change effects
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61041681A JP2588169B2 (ja) | 1986-02-28 | 1986-02-28 | 光記録媒体 |
JP61063937A JP2653425B2 (ja) | 1986-03-24 | 1986-03-24 | 光記録媒体 |
JP61063936A JP2654000B2 (ja) | 1986-03-24 | 1986-03-24 | 光記録媒体 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE3783244D1 true DE3783244D1 (de) | 1993-02-11 |
DE3783244T2 DE3783244T2 (de) | 1993-05-13 |
DE3783244T3 DE3783244T3 (de) | 2000-02-03 |
Family
ID=27290917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3783244T Expired - Lifetime DE3783244T3 (de) | 1986-02-28 | 1987-02-27 | Optischer Aufzeichnungsträger. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4803660A (de) |
EP (1) | EP0234588B2 (de) |
KR (1) | KR900004622B1 (de) |
DE (1) | DE3783244T3 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63155436A (ja) * | 1986-12-19 | 1988-06-28 | Toshiba Corp | 情報記録再生消去方法 |
EP0337553B1 (de) * | 1988-04-13 | 1993-12-01 | Koninklijke Philips Electronics N.V. | Laminiertes Produkt, Verbindung zur Verwendung in dem laminierten Produkt und optischer Informationsspeicher, versehen mit dem laminierten Produkt |
JP2538647B2 (ja) * | 1988-07-22 | 1996-09-25 | 富士通株式会社 | 光ディスク媒体 |
US5202881A (en) * | 1989-06-30 | 1993-04-13 | Kabushiki Kaisha Toshiba | Information storage medium |
JPH03169683A (ja) * | 1989-11-30 | 1991-07-23 | Toshiba Corp | 情報の記録及び消去方法 |
EP1006518B1 (de) * | 1994-09-27 | 2004-03-17 | Matsushita Electric Industrial Co., Ltd. | Verfahren zur Herstellung eines optischen Informationsaufzeichnungsmediums und Gerät dazu |
EP0706179B1 (de) * | 1994-09-27 | 2002-12-11 | Matsushita Electric Industrial Co., Ltd. | Verfahren zur Herstellung eines optischen Informationsaufzeichnungsmediums und Gerät dazu |
KR100624417B1 (ko) * | 2004-01-31 | 2006-09-18 | 삼성전자주식회사 | 터널링 자기 저항 소자 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3530441A (en) * | 1969-01-15 | 1970-09-22 | Energy Conversion Devices Inc | Method and apparatus for storing and retrieving information |
US3696344A (en) * | 1970-02-19 | 1972-10-03 | Energy Conversion Devices Inc | Optical mass memory employing amorphous thin films |
US3971874A (en) * | 1973-08-29 | 1976-07-27 | Matsushita Electric Industrial Co., Ltd. | Optical information storage material and method of making it |
CA1218285A (en) * | 1983-08-24 | 1987-02-24 | Yoshiaki Kita | Recording medium |
JPH066393B2 (ja) * | 1984-03-07 | 1994-01-26 | 株式会社日立製作所 | 情報の記録・消去方法 |
-
1987
- 1987-02-24 US US07/018,282 patent/US4803660A/en not_active Expired - Lifetime
- 1987-02-27 DE DE3783244T patent/DE3783244T3/de not_active Expired - Lifetime
- 1987-02-27 EP EP87102796A patent/EP0234588B2/de not_active Expired - Lifetime
- 1987-02-27 KR KR1019870001725A patent/KR900004622B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3783244T3 (de) | 2000-02-03 |
EP0234588A2 (de) | 1987-09-02 |
KR870008294A (ko) | 1987-09-25 |
EP0234588B2 (de) | 1999-09-29 |
DE3783244T2 (de) | 1993-05-13 |
EP0234588B1 (de) | 1992-12-30 |
US4803660A (en) | 1989-02-07 |
EP0234588A3 (en) | 1989-10-04 |
KR900004622B1 (ko) | 1990-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8366 | Restricted maintained after opposition proceedings |