HK9497A - Optical recording medium and recording method - Google Patents
Optical recording medium and recording methodInfo
- Publication number
- HK9497A HK9497A HK9497A HK9497A HK9497A HK 9497 A HK9497 A HK 9497A HK 9497 A HK9497 A HK 9497A HK 9497 A HK9497 A HK 9497A HK 9497 A HK9497 A HK 9497A
- Authority
- HK
- Hong Kong
- Prior art keywords
- recording medium
- optical
- recording
- optical recording
- recording method
- Prior art date
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
- G11B7/248—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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16259790 | 1990-06-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK9497A true HK9497A (en) | 1997-01-31 |
Family
ID=15757620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK9497A HK9497A (en) | 1990-06-22 | 1997-01-23 | Optical recording medium and recording method |
Country Status (7)
Country | Link |
---|---|
US (1) | US5391461A (de) |
EP (1) | EP0463550B1 (de) |
JP (1) | JP3126411B2 (de) |
KR (1) | KR950013391B1 (de) |
CA (1) | CA2044969C (de) |
DE (1) | DE69121799T2 (de) |
HK (1) | HK9497A (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05120727A (ja) * | 1991-10-28 | 1993-05-18 | Ricoh Co Ltd | 光記録媒体及び該媒体に情報を記録または再生する方法 |
EP0575816B1 (de) * | 1992-06-12 | 1999-09-22 | Mitsui Chemicals, Inc. | Lichtabsorbierende Verbindung und optisches Aufzeichnungsmedium das diese enthält |
CA2110233C (en) | 1992-12-02 | 1999-01-12 | Mitsui Toatsu Chemicals, Incorporated | Optical information recording medium and composition for optical information recording film |
US5348840A (en) * | 1993-05-05 | 1994-09-20 | Toyo Ink Manufacturing Co., Ltd. | Optical recording medium |
EP0675489B1 (de) * | 1994-03-31 | 2003-11-12 | TDK Corporation | Optischer Aufzeichnungsträger |
US5633106A (en) * | 1994-04-08 | 1997-05-27 | Mitsui Toatsu Chemicals, Inc. | Optical recording media and a method of recording and reproducing information |
JP3604427B2 (ja) * | 1994-09-27 | 2004-12-22 | 三井化学株式会社 | フタロシアニン化合物及びそれを含有してなる光記録媒体 |
JP3604432B2 (ja) * | 1994-12-15 | 2004-12-22 | 三井化学株式会社 | フタロシアニン化合物及びそれを含有してなる光記録媒体 |
JP3604435B2 (ja) * | 1994-12-27 | 2004-12-22 | 三井化学株式会社 | フタロシアニン化合物及びそれを含有してなる光記録媒体 |
TW454009B (en) * | 1994-12-27 | 2001-09-11 | Mitsui Chemicals Inc | Near infrared light-absorbing dye of phthalocyanine compounds and optical recording media comprising them |
JPH08188718A (ja) * | 1995-01-13 | 1996-07-23 | Mitsui Toatsu Chem Inc | フタロシアニン化合物及びそれを含有してなる光記録媒体 |
JP3604439B2 (ja) * | 1995-01-18 | 2004-12-22 | 三井化学株式会社 | フタロシアニン化合物及びそれを含有してなる光記録媒体 |
US5863703A (en) * | 1995-02-10 | 1999-01-26 | Ricoh Company, Ltd. | Optical information recording medium using a phthalocyanine compound |
US5998609A (en) * | 1996-10-14 | 1999-12-07 | Nippon Shokubai Co., Ltd. | Phthalocyanine compounds, process for preparing the same, and optical recording medium made using the same |
KR100268486B1 (ko) * | 1997-11-01 | 2000-10-16 | 윤종용 | 광디스크기록및재생방법과그장치 |
JP3865547B2 (ja) * | 1999-11-12 | 2007-01-10 | 株式会社リコー | 光記録媒体および光記録媒体の製造方法 |
US6737143B2 (en) | 2001-06-14 | 2004-05-18 | Ricoh Company Ltd. | Optical recording medium, optical recording method and optical recording device |
JP4137691B2 (ja) | 2003-04-30 | 2008-08-20 | 株式会社リコー | 光記録媒体 |
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 |
EP1621584B1 (de) | 2004-07-29 | 2007-01-24 | Clariant Finance (BVI) Limited | Azoliganden auf der Basis von Aminoantipyrine und ihre Metallkomplexe zur Verwendung als optische Aufzeichnungsmedien |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4529688A (en) * | 1983-10-13 | 1985-07-16 | Xerox Corporation | Infrared sensitive phthalocyanine compositions |
GB8431924D0 (en) * | 1984-12-18 | 1985-01-30 | Ici Plc | Optical recording medium |
DE3643770A1 (de) * | 1986-12-20 | 1988-06-30 | Basf Ag | Mono- und disubstituierte phthalocyanine |
US5090009A (en) * | 1988-07-30 | 1992-02-18 | Taiyo Yuden Co., Ltd. | Optical information recording medium |
US4940618A (en) * | 1988-07-30 | 1990-07-10 | Taiyo Yuden Company, Ltd. | Optical information recording medium |
CA2005520A1 (en) * | 1988-12-15 | 1990-06-15 | Hisato Itoh | Near infrared absorbent and display/recording materials prepared by using same |
US5280114A (en) * | 1990-04-07 | 1994-01-18 | Mitsui Toatsu Chemicals, Incorporated | Halogenation of alkoxyphthalocyanine |
-
1991
- 1991-06-13 JP JP03141582A patent/JP3126411B2/ja not_active Expired - Fee Related
- 1991-06-19 CA CA002044969A patent/CA2044969C/en not_active Expired - Fee Related
- 1991-06-19 DE DE69121799T patent/DE69121799T2/de not_active Expired - Fee Related
- 1991-06-19 EP EP91110017A patent/EP0463550B1/de not_active Expired - Lifetime
- 1991-06-22 KR KR1019910010392A patent/KR950013391B1/ko not_active IP Right Cessation
-
1993
- 1993-03-19 US US08/035,097 patent/US5391461A/en not_active Expired - Lifetime
-
1997
- 1997-01-23 HK HK9497A patent/HK9497A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH04226390A (ja) | 1992-08-17 |
EP0463550A2 (de) | 1992-01-02 |
CA2044969C (en) | 1997-05-13 |
EP0463550B1 (de) | 1996-09-04 |
CA2044969A1 (en) | 1991-12-23 |
US5391461A (en) | 1995-02-21 |
EP0463550A3 (de) | 1994-02-23 |
KR920000509A (ko) | 1992-01-29 |
DE69121799T2 (de) | 1997-03-27 |
JP3126411B2 (ja) | 2001-01-22 |
DE69121799D1 (de) | 1996-10-10 |
KR950013391B1 (ko) | 1995-11-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0475336A3 (en) | Information recording medium and information recording method | |
EP0446892A3 (en) | Optical data medium recording method | |
EP0523944A3 (en) | Magneto optical recording medium and method | |
EP0414380A3 (en) | Optical recording and reproducing apparatus | |
EP0406569A3 (en) | Optical recording medium | |
EP0536406A4 (en) | Optical recording medium and its manufacturing | |
EP0461649A3 (en) | Recording and reproducing method and apparatus | |
EP0434230A3 (en) | Optical recording medium and manufacturing method thereof | |
EP0414516A3 (en) | Optical recording medium | |
HK9497A (en) | Optical recording medium and recording method | |
EP0329425A3 (en) | Optical recording medium and manufacturing method thereof | |
HK1014363A1 (en) | Optical recording medium | |
SG47988A1 (en) | Optical recording medium and production thereof | |
EP0463784A3 (en) | Optical recording medium, optical recording method, and optical reproducing method | |
EP0449121A3 (en) | Optical recording medium and recording/reproducing method therefor | |
EP0452586A3 (en) | Optical recording medium | |
EP0378344A3 (en) | Optical recording medium | |
HK1005155A1 (en) | Optical recording medium | |
EP0409469A3 (en) | Optical recording and/or reproducing apparatus | |
EP0446679A3 (en) | Optical disk and optical information recording method | |
EP0458257A3 (en) | Optical recording medium | |
EP0407215A3 (en) | Optical recording and reproducing apparatus | |
EP0479577A3 (en) | Optical recording medium and process for producing the same | |
EP0239131A3 (en) | Optical recording medium and tracking method therefor | |
EP0518213A3 (en) | Optical recording medium |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |