DE69728807D1 - Optisches Aufzeichnungsmedium - Google Patents
Optisches AufzeichnungsmediumInfo
- Publication number
- DE69728807D1 DE69728807D1 DE69728807T DE69728807T DE69728807D1 DE 69728807 D1 DE69728807 D1 DE 69728807D1 DE 69728807 T DE69728807 T DE 69728807T DE 69728807 T DE69728807 T DE 69728807T DE 69728807 D1 DE69728807 D1 DE 69728807D1
- Authority
- DE
- Germany
- Prior art keywords
- recording medium
- optical recording
- optical
- medium
- recording
- 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
- 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
-
- 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
- G11B2007/24308—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
- G11B2007/2431—Metals or metalloids group 13 elements (B, Al, Ga, In)
-
- 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
- G11B7/242—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
- G11B2007/24322—Nitrogen
-
- 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
- G11B2007/24324—Sulfur
-
- 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...)
-
- 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
- G11B7/253—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
-
- 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
-
- 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
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/146—Laser beam
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP04020596A JP3525197B2 (ja) | 1996-02-27 | 1996-02-27 | 相変化型光記録媒体 |
JP4020596 | 1996-02-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69728807D1 true DE69728807D1 (de) | 2004-06-03 |
DE69728807T2 DE69728807T2 (de) | 2005-07-07 |
Family
ID=12574288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69728807T Expired - Fee Related DE69728807T2 (de) | 1996-02-27 | 1997-02-27 | Optisches Aufzeichnungsmedium |
Country Status (5)
Country | Link |
---|---|
US (1) | US6221557B1 (de) |
EP (1) | EP0793223B1 (de) |
JP (1) | JP3525197B2 (de) |
DE (1) | DE69728807T2 (de) |
ES (1) | ES2218612T3 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6242157B1 (en) * | 1996-08-09 | 2001-06-05 | Tdk Corporation | Optical recording medium and method for making |
DE19857315A1 (de) | 1997-12-12 | 1999-08-05 | Ricoh Kk | Optisches Informationsspeichermaterial und Anzeige-Aufzeichnungsverfahren unter Verwendung desselben |
US6426936B1 (en) * | 1998-01-27 | 2002-07-30 | Ricoh Company, Ltd. | Phase-change medium usable in phase-difference tracking |
ES2242326T3 (es) * | 1998-05-13 | 2005-11-01 | Ricoh Company, Ltd. | Medio de registro optico de tipo de cambio de fase. |
JP2000322740A (ja) | 1999-05-12 | 2000-11-24 | Ricoh Co Ltd | 光記録媒体及びその記録方法 |
US6632583B2 (en) * | 1999-12-07 | 2003-10-14 | Mitsubishi Chemical Corporation | Optical recording medium and production method of the same |
EP1467352B1 (de) | 2000-09-28 | 2008-01-09 | Ricoh Company, Ltd. | Optisches Aufzeichnungsmedium, Verfahren zu dessen Herstellung und Verfahren und Vorrichtung zum Aufzeichnen auf oder Lesen von diesem Medium |
JP2003305955A (ja) | 2001-05-21 | 2003-10-28 | Ricoh Co Ltd | 光記録媒体及び記録方法 |
US7241549B2 (en) * | 2001-09-18 | 2007-07-10 | Ricoh Company, Ltd. | Information recording medium |
JP2003228834A (ja) | 2002-01-30 | 2003-08-15 | Ricoh Co Ltd | 情報記録方式及び光記録媒体 |
DE60302378T2 (de) * | 2002-03-22 | 2006-08-03 | Ricoh Co. | Optisches Aufzeichnungsmedium und zugehöriges Aufzeichnungsverfahren |
AU2003235849A1 (en) * | 2002-05-15 | 2003-12-02 | Matsushita Electric Industrial Co., Ltd. | Optical head |
JP4249590B2 (ja) * | 2002-11-18 | 2009-04-02 | 株式会社リコー | 光情報記録媒体およびその製造方法 |
US7439007B2 (en) * | 2002-12-20 | 2008-10-21 | Ricoh Company, Ltd. | Phase change information recording medium having multiple layers and recording and playback method for the medium |
JP2005251265A (ja) * | 2004-03-02 | 2005-09-15 | Ricoh Co Ltd | 相変化型光記録媒体 |
JP2005302275A (ja) * | 2004-03-18 | 2005-10-27 | Sharp Corp | 光情報記録媒体、記録再生方法、ならびに記録再生装置 |
US20050221050A1 (en) * | 2004-03-19 | 2005-10-06 | Michiaki Shinotsuka | Two-layered optical recording medium, method for manufacturing the same, and, method and apparatus for optical recording and reproducing using the same |
JP4136980B2 (ja) * | 2004-03-19 | 2008-08-20 | 株式会社リコー | 多層相変化型情報記録媒体及びその記録再生方法 |
TWI252486B (en) * | 2004-03-25 | 2006-04-01 | Prodisc Technology Inc | Optical information storage medium and method for manufacturing thereof |
US7767284B2 (en) * | 2004-04-28 | 2010-08-03 | Ricoh Company, Ltd. | Optical recording medium, and, method for manufacturing the same, and method and apparatus for optical recording and reproducing thereof |
JP4382646B2 (ja) * | 2004-05-17 | 2009-12-16 | 株式会社リコー | 光記録媒体とその製造方法 |
TWI252484B (en) * | 2004-06-30 | 2006-04-01 | Prodisc Technology Inc | Optical information storage medium |
JP5226537B2 (ja) * | 2007-02-09 | 2013-07-03 | パナソニック株式会社 | 情報記録媒体およびその製造方法、スパッタリングターゲットならびに成膜装置 |
EP2370973A4 (de) * | 2008-11-28 | 2014-08-06 | Univ Brigham Young | Optische hochleistungs-laufwerke |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2585520B2 (ja) * | 1985-12-27 | 1997-02-26 | 株式会社日立製作所 | 相変化記録媒体 |
US5080947A (en) | 1987-12-25 | 1992-01-14 | Ricoh Company, Ltd. | Information recording medium |
JP2941848B2 (ja) | 1988-07-20 | 1999-08-30 | 株式会社リコー | 光記録媒体 |
US5024927A (en) | 1988-10-06 | 1991-06-18 | Ricoh Company, Ltd. | Information recording medium |
JPH02103747A (ja) * | 1988-10-11 | 1990-04-16 | Ricoh Co Ltd | 相変化型光情報記録媒体 |
US5100700A (en) | 1989-03-10 | 1992-03-31 | Ricoh Company, Ltd. | Information recording medium |
US5255260A (en) * | 1989-07-28 | 1993-10-19 | Matsushita Electric Industrial Co., Ltd. | Optical recording apparatus employing stacked recording media with spiral grooves and floating optical heads |
JP2804313B2 (ja) * | 1989-10-16 | 1998-09-24 | 株式会社リコー | 相変化型光情報記録媒体 |
US5156693A (en) | 1990-02-19 | 1992-10-20 | Ricoh Company, Ltd. | Information recording medium |
JP3128282B2 (ja) | 1991-09-10 | 2001-01-29 | 日本電産株式会社 | ブラシレス多相直流モータ |
JPH0573959A (ja) * | 1991-09-18 | 1993-03-26 | Fuji Electric Co Ltd | 光記録媒体およびその製造方法 |
EP0564260B1 (de) * | 1992-03-30 | 2000-09-06 | Kabushiki Kaisha Toshiba | Optisches Aufzeichnungsmedium und optisches Aufzeichnungs/Wiedergabegerät |
JP2709887B2 (ja) | 1992-06-12 | 1998-02-04 | ティーディーケイ株式会社 | 光記録媒体およびその製造方法 |
JPH06282876A (ja) * | 1993-03-29 | 1994-10-07 | Matsushita Electric Ind Co Ltd | 光記録媒体 |
JPH06325406A (ja) * | 1993-05-10 | 1994-11-25 | Ricoh Co Ltd | 光記録媒体 |
JP2812181B2 (ja) * | 1993-06-17 | 1998-10-22 | 日本電気株式会社 | 光学的情報記録媒体 |
JP3566743B2 (ja) * | 1993-12-13 | 2004-09-15 | Tdk株式会社 | 光記録媒体 |
WO1995026549A1 (fr) * | 1994-03-25 | 1995-10-05 | Toray Industries, Inc. | Support d'enregistrement optique et son procede de fabrication |
EP0706179B1 (de) * | 1994-09-27 | 2002-12-11 | Matsushita Electric Industrial Co., Ltd. | Verfahren zur Herstellung eines optischen Informationsaufzeichnungsmediums und Gerät dazu |
US5785828A (en) * | 1994-12-13 | 1998-07-28 | Ricoh Company, Ltd. | Sputtering target for producing optical recording medium |
US5798993A (en) * | 1995-05-29 | 1998-08-25 | Nec Corporation | System and method for simultaneously verifying optical data writing and optical data writing medium for use therein |
-
1996
- 1996-02-27 JP JP04020596A patent/JP3525197B2/ja not_active Expired - Fee Related
-
1997
- 1997-02-27 ES ES97103293T patent/ES2218612T3/es not_active Expired - Lifetime
- 1997-02-27 EP EP97103293A patent/EP0793223B1/de not_active Expired - Lifetime
- 1997-02-27 DE DE69728807T patent/DE69728807T2/de not_active Expired - Fee Related
- 1997-02-27 US US08/807,632 patent/US6221557B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3525197B2 (ja) | 2004-05-10 |
EP0793223B1 (de) | 2004-04-28 |
EP0793223A1 (de) | 1997-09-03 |
JPH09226247A (ja) | 1997-09-02 |
US6221557B1 (en) | 2001-04-24 |
ES2218612T3 (es) | 2004-11-16 |
DE69728807T2 (de) | 2005-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de | ||
8370 | Indication related to discontinuation of the patent is to be deleted | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |