DE68914806D1 - Optischer Aufzeichnungsträger. - Google Patents
Optischer Aufzeichnungsträger.Info
- Publication number
- DE68914806D1 DE68914806D1 DE68914806T DE68914806T DE68914806D1 DE 68914806 D1 DE68914806 D1 DE 68914806D1 DE 68914806 T DE68914806 T DE 68914806T DE 68914806 T DE68914806 T DE 68914806T DE 68914806 D1 DE68914806 D1 DE 68914806D1
- 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 - Fee Related
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
-
- 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
- G11B7/0055—Erasing
- G11B7/00557—Erasing involving phase-change media
-
- 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
- G11B7/252—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
-
- 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
- G11B2007/24306—Metals or metalloids transition metal elements of groups 3-10
-
- 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
- G11B7/24—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
- G11B7/253—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 substrates
- G11B7/2533—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 substrates comprising resins
- G11B7/2534—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 substrates comprising resins polycarbonates [PC]
-
- 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
- G11B7/254—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 protective topcoat layers
- G11B7/2542—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 protective topcoat layers consisting essentially of organic resins
-
- 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
-
- 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
- G11B7/2595—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 gold
-
- 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
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31928488 | 1988-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68914806D1 true DE68914806D1 (de) | 1994-05-26 |
DE68914806T2 DE68914806T2 (de) | 1994-08-04 |
Family
ID=18108487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68914806T Expired - Fee Related DE68914806T2 (de) | 1988-12-16 | 1989-12-15 | Optischer Aufzeichnungsträger. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5063097A (de) |
EP (1) | EP0373955B1 (de) |
JP (1) | JP3011200B2 (de) |
DE (1) | DE68914806T2 (de) |
HK (1) | HK1005326A1 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5258972A (en) * | 1990-06-25 | 1993-11-02 | Msc Technology Corporation | Magnetic damping disc for improved CD player performance |
US5335219A (en) * | 1991-01-18 | 1994-08-02 | Ovshinsky Stanford R | Homogeneous composition of microcrystalline semiconductor material, semiconductor devices and directly overwritable memory elements fabricated therefrom, and arrays fabricated from the memory elements |
US5234737A (en) * | 1991-01-28 | 1993-08-10 | Fuji Xerox Co., Ltd. | Phase change optical recording medium |
JPH05151619A (ja) * | 1991-10-01 | 1993-06-18 | Ricoh Co Ltd | 光情報記録媒体及び記録方法 |
JPH05144082A (ja) * | 1991-11-26 | 1993-06-11 | Matsushita Electric Ind Co Ltd | 光記録媒体と光記録媒体用保護膜 |
EP0594277B1 (de) * | 1992-10-21 | 1998-12-02 | Toray Industries, Inc. | Optisches Aufzeichnungsmedium |
US5750228A (en) * | 1993-02-22 | 1998-05-12 | Matsushita Electric Industrial Co., Ltd. | Optical information storage medium |
JP3287648B2 (ja) * | 1993-06-07 | 2002-06-04 | 株式会社リコー | 相変化型情報記録媒体の記録同時ベリファイ方法及び相変化型情報記録ドライブ装置 |
JP2999916B2 (ja) * | 1994-03-31 | 2000-01-17 | ティーディーケイ株式会社 | 光記録方法および光記録媒体 |
EP0766862A1 (de) * | 1994-06-23 | 1997-04-09 | Koninklijke Philips Electronics N.V. | Optische informationsträger |
JPH0863785A (ja) * | 1994-08-26 | 1996-03-08 | Hitachi Ltd | 光記録媒体およびそれに用いる情報処理装置 |
US5949751A (en) * | 1995-09-07 | 1999-09-07 | Pioneer Electronic Corporation | Optical recording medium and a method for reproducing information recorded from same |
US5591501A (en) * | 1995-12-20 | 1997-01-07 | Energy Conversion Devices, Inc. | Optical recording medium having a plurality of discrete phase change data recording points |
US6143468A (en) * | 1996-10-04 | 2000-11-07 | Mitsubishi Chemical Corporation | Optical information recording medium and optical recording method |
JPH11167722A (ja) * | 1997-10-01 | 1999-06-22 | Tdk Corp | 光記録媒体、その記録方法およびその記録装置 |
KR19990042064A (ko) * | 1997-11-25 | 1999-06-15 | 윤종용 | 귀금속 반사층을 구비한 상변화 광디스크 |
ES2242326T3 (es) * | 1998-05-13 | 2005-11-01 | Ricoh Company, Ltd. | Medio de registro optico de tipo de cambio de fase. |
GB9818821D0 (en) * | 1998-08-29 | 1998-10-21 | Ciba Sc Holding Ag | Novel monophase solid solutions |
AU2880100A (en) * | 1999-02-12 | 2000-08-29 | General Electric Company | Data storage media |
US20030157292A1 (en) * | 1999-06-23 | 2003-08-21 | Dataplay, Inc. | Miniature optical disk for data storage |
US6946171B1 (en) | 1999-09-22 | 2005-09-20 | Guardian Industries Corp. | Vacuum IG pillar with lubricating and/or reflective coating |
US7161894B2 (en) * | 2001-06-21 | 2007-01-09 | Quantum Corporation | Optical recording article |
US20060181986A1 (en) * | 2003-06-26 | 2006-08-17 | Martens Hubert C F | Phase change medium erasable at low speed and recordable at high speed and a driving device for such a medium |
US7718987B2 (en) * | 2004-02-19 | 2010-05-18 | Agency For Science, Technology And Research | Electrically writable and erasable memory medium having a data element with two or more multiple-layer structures made of individual layers |
US8828785B2 (en) * | 2012-09-12 | 2014-09-09 | International Business Machines Corporation | Single-crystal phase change material on insulator for reduced cell variability |
Family Cites Families (12)
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 |
NL8102283A (nl) * | 1981-05-11 | 1982-12-01 | Philips Nv | Optisch uitleesbare informatieschijf met een reflectielaag gevormd uit een metaallegering. |
NL8200415A (nl) * | 1982-02-04 | 1983-09-01 | Philips Nv | Optische uitleesbare informatieschijf. |
JPS59185048A (ja) * | 1983-04-01 | 1984-10-20 | Matsushita Electric Ind Co Ltd | 光学情報記録部材及び記録方法 |
JPS60155495A (ja) * | 1984-01-26 | 1985-08-15 | Sony Corp | 光学情報記録媒体 |
NL8403817A (nl) * | 1984-12-17 | 1986-07-16 | Philips Nv | Optisch registratie element en methode voor het registreren van informatie. |
US4670345A (en) * | 1985-02-22 | 1987-06-02 | Asahi Kasei Kogyo Kabushiki Kaisha | Information recording medium |
CN1010519B (zh) * | 1985-09-25 | 1990-11-21 | 松下电器产业株式会社 | 可逆的光学情报记录介质 |
JP2585520B2 (ja) * | 1985-12-27 | 1997-02-26 | 株式会社日立製作所 | 相変化記録媒体 |
JPS62196181A (ja) * | 1986-01-27 | 1987-08-29 | Nippon Columbia Co Ltd | 光情報記録媒体 |
JP2615627B2 (ja) * | 1987-07-01 | 1997-06-04 | 松下電器産業株式会社 | 光学式情報記録媒体 |
JP2746896B2 (ja) * | 1988-02-17 | 1998-05-06 | 旭化成工業株式会社 | 光学記録媒体 |
-
1989
- 1989-12-14 US US07/450,782 patent/US5063097A/en not_active Expired - Fee Related
- 1989-12-15 DE DE68914806T patent/DE68914806T2/de not_active Expired - Fee Related
- 1989-12-15 EP EP89313142A patent/EP0373955B1/de not_active Expired - Lifetime
-
1998
- 1998-05-22 HK HK98104439A patent/HK1005326A1/xx not_active IP Right Cessation
- 1998-08-24 JP JP10237282A patent/JP3011200B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0373955B1 (de) | 1994-04-20 |
JP3011200B2 (ja) | 2000-02-21 |
JPH11139000A (ja) | 1999-05-25 |
HK1005326A1 (en) | 1998-12-31 |
DE68914806T2 (de) | 1994-08-04 |
EP0373955A1 (de) | 1990-06-20 |
US5063097A (en) | 1991-11-05 |
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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 |