DE69824479D1 - Optisches Aufzeichnungsmedium, und dieses benutzende Aufzeichnungs- und/oder Reproduktions-Methode - Google Patents
Optisches Aufzeichnungsmedium, und dieses benutzende Aufzeichnungs- und/oder Reproduktions-MethodeInfo
- Publication number
- DE69824479D1 DE69824479D1 DE69824479T DE69824479T DE69824479D1 DE 69824479 D1 DE69824479 D1 DE 69824479D1 DE 69824479 T DE69824479 T DE 69824479T DE 69824479 T DE69824479 T DE 69824479T DE 69824479 D1 DE69824479 D1 DE 69824479D1
- Authority
- DE
- Germany
- Prior art keywords
- reproduction method
- recording
- recording medium
- optical recording
- optical
- 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
- G11B7/242—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
- G11B7/244—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 organic materials only
- G11B7/246—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 organic materials only containing dyes
- G11B7/2467—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 organic materials only containing dyes azo-dyes
-
- 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
- G11B7/244—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 organic materials only
-
- 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
- G11B7/244—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 organic materials only
- G11B7/246—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 organic materials only containing dyes
- G11B7/248—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 organic materials only containing dyes porphines; azaporphines, e.g. phthalocyanines
-
- 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
- G11B7/244—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 organic materials only
- G11B7/249—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 organic materials only containing organometallic compounds
-
- 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
- G11B7/00455—Recording involving reflectivity, absorption or colour changes
-
- 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
- G11B7/005—Reproducing
- G11B7/0052—Reproducing involving reflectivity, absorption or colour changes
-
- 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
-
- 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
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/21—Circular sheet or circular blank
Landscapes
- Chemical & Material Sciences (AREA)
- Organic 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 |
---|---|---|---|
JP11114097 | 1997-04-28 | ||
JP9111140A JPH10297097A (ja) | 1997-04-28 | 1997-04-28 | 光記録媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69824479D1 true DE69824479D1 (de) | 2004-07-22 |
DE69824479T2 DE69824479T2 (de) | 2005-07-07 |
Family
ID=14553479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69824479T Expired - Fee Related DE69824479T2 (de) | 1997-04-28 | 1998-04-28 | Optisches Aufzeichnungsmedium, und dieses benutzende Aufzeichnungs- und/oder Reproduktions-Methode |
Country Status (5)
Country | Link |
---|---|
US (1) | US6057020A (de) |
EP (1) | EP0875888B1 (de) |
JP (1) | JPH10297097A (de) |
DE (1) | DE69824479T2 (de) |
ES (1) | ES2221093T3 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3685368B2 (ja) * | 1998-08-18 | 2005-08-17 | 株式会社リコー | 光記録媒体 |
EP1035428A3 (de) * | 1999-03-02 | 2005-07-27 | Fuji Photo Film Co., Ltd. | Optische logische Vorrichtung und optische Speichervorrichtung |
US6762008B2 (en) * | 1999-07-06 | 2004-07-13 | Ricoh Company, Ltd. | Optical recording medium |
US6558768B2 (en) * | 2000-03-07 | 2003-05-06 | Ricoh Company, Ltd. | Optical recording medium and optical recording and reading method using the same |
US6697315B1 (en) | 2000-07-27 | 2004-02-24 | Polytris Ltd. | Medium, system and method for optical recording |
JP4111666B2 (ja) | 2000-09-21 | 2008-07-02 | 富士フイルム株式会社 | 光情報記録媒体の製造方法 |
AU2002253152A1 (en) * | 2001-03-28 | 2002-10-15 | Bayer Aktiengesellschaft | Optical data carrier that contains a heterocyclic azo dye as the light-absorbing compound in the information layer |
US6737143B2 (en) | 2001-06-14 | 2004-05-18 | Ricoh Company Ltd. | Optical recording medium, optical recording method and optical recording device |
JP4124407B2 (ja) * | 2001-09-13 | 2008-07-23 | 株式会社リコー | 二値化装置 |
CN1193363C (zh) | 2001-10-25 | 2005-03-16 | 株式会社理光 | 光记录媒体 |
US6794005B2 (en) | 2002-02-12 | 2004-09-21 | Ricoh Company, Ltd. | Optical recording medium, optical recording method and optical recording device |
WO2004088649A2 (en) * | 2003-04-04 | 2004-10-14 | Ciba Specialty Chemicals Holding Inc. | High-capacity optical storage media |
DE602004010451T2 (de) * | 2003-04-15 | 2008-11-20 | Ricoh Co., Ltd. | Einmal beschreibbarer, mehrmals lesbarer optischer Datenträger und Verfahren zum Beschreiben und Lesen des Datenträgers |
JP4137691B2 (ja) | 2003-04-30 | 2008-08-20 | 株式会社リコー | 光記録媒体 |
JP4574208B2 (ja) * | 2004-04-09 | 2010-11-04 | 株式会社リコー | アゾ置換インダゾール化合物、キレート化合物及び光記録媒体 |
WO2005104099A1 (en) * | 2004-04-19 | 2005-11-03 | Ricoh Company, Ltd. | Recording/reproduction method for optical recording medium, recording condition determining method, recording method, optical disk apparatus, program, and recording medium thereof |
WO2007007748A1 (ja) | 2005-07-14 | 2007-01-18 | Mitsubishi Kagaku Media Co., Ltd. | 光学記録媒体、光記録材料および金属錯体化合物 |
US8859184B2 (en) * | 2005-07-28 | 2014-10-14 | Ricoh Company, Ltd. | Write-once-read-many optical disk having low-to-high recording property accommodating short wavelength recording |
JP2008276900A (ja) * | 2007-04-02 | 2008-11-13 | Ricoh Co Ltd | 追記型光記録媒体 |
JP4810519B2 (ja) * | 2007-09-14 | 2011-11-09 | 株式会社リコー | 多層式追記型光記録媒体及びその記録方法、記録装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2163863B (en) * | 1984-07-05 | 1988-04-27 | Ricoh Kk | Optical information recording medium |
FR2569034B1 (fr) * | 1984-08-13 | 1990-08-10 | Ricoh Kk | Milieu d'enregistrement optique d'informations |
DE3537539A1 (de) * | 1984-10-23 | 1986-04-24 | Ricoh Co., Ltd., Tokio/Tokyo | Optisches informationsaufzeichnungsmaterial |
JPS61143191A (ja) * | 1984-12-18 | 1986-06-30 | Ricoh Co Ltd | 光情報記録媒体 |
EP0188001B1 (de) * | 1984-12-28 | 1990-05-02 | Kuraray Co., Ltd. | Optisches Informationsaufzeichnungsmedium |
US4735839A (en) * | 1985-07-10 | 1988-04-05 | Ricoh Co., Ltd. | Optical information recording medium |
JPH0724114B2 (ja) * | 1985-12-12 | 1995-03-15 | 株式会社リコー | 光情報記録媒体 |
US5149819A (en) * | 1988-04-28 | 1992-09-22 | Ricoh Company, Ltd. | Squarylium compounds and optical information recording medium using the same |
JP2670616B2 (ja) * | 1988-04-28 | 1997-10-29 | 株式会社リコー | スクアリリウム系化合物及びそれを用いた光情報記録媒体 |
US5002812A (en) * | 1988-06-15 | 1991-03-26 | Ricoh Company, Ltd. | Optical information recording medium, information recording method and optical information recording system using the medium |
JP2640502B2 (ja) * | 1988-08-23 | 1997-08-13 | 株式会社リコー | 光記録媒体 |
US5256794A (en) * | 1989-12-07 | 1993-10-26 | Ricoh Company, Ltd. | Squarylium compounds |
US5510229A (en) * | 1989-07-12 | 1996-04-23 | Ricoh Company, Ltd. | Optical information recording medium using squarylium compounds |
JPH03256240A (ja) * | 1990-03-06 | 1991-11-14 | Ricoh Co Ltd | 光情報記録媒体 |
KR0159908B1 (ko) * | 1990-05-17 | 1999-02-18 | 에또오 다께또시 | 금속 킬레이트 화합물 및 그것을 이용한 광학적 기록 매체 |
TW340864B (en) * | 1995-07-20 | 1998-09-21 | Mitsui Toatsu Chemicals | Optical recording medium |
DE69735460T2 (de) * | 1996-12-18 | 2006-11-16 | Mitsubishi Kagaku Media Co. Ltd. | Optische Aufzeichnungsplatte |
-
1997
- 1997-04-28 JP JP9111140A patent/JPH10297097A/ja active Pending
-
1998
- 1998-04-27 US US09/066,735 patent/US6057020A/en not_active Expired - Fee Related
- 1998-04-28 ES ES98107705T patent/ES2221093T3/es not_active Expired - Lifetime
- 1998-04-28 DE DE69824479T patent/DE69824479T2/de not_active Expired - Fee Related
- 1998-04-28 EP EP98107705A patent/EP0875888B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2221093T3 (es) | 2004-12-16 |
JPH10297097A (ja) | 1998-11-10 |
EP0875888A1 (de) | 1998-11-04 |
DE69824479T2 (de) | 2005-07-07 |
US6057020A (en) | 2000-05-02 |
EP0875888B1 (de) | 2004-06-16 |
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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 |