HK1007621A1 - Optical recording medium - Google Patents
Optical recording mediumInfo
- Publication number
- HK1007621A1 HK1007621A1 HK98106791A HK98106791A HK1007621A1 HK 1007621 A1 HK1007621 A1 HK 1007621A1 HK 98106791 A HK98106791 A HK 98106791A HK 98106791 A HK98106791 A HK 98106791A HK 1007621 A1 HK1007621 A1 HK 1007621A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- recording medium
- optical recording
- optical
- medium
- recording
- 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
-
- 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
-
- 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
- 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
- G11B7/247—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 methine or polymethine dyes
- G11B7/2472—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 methine or polymethine dyes cyanine
-
- 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
- G11B7/24—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
- G11B7/258—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
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/165—Thermal imaging composition
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63334296A JP2910042B2 (ja) | 1988-12-29 | 1988-12-29 | 光学情報記録媒体 |
JP63334295A JP2969638B2 (ja) | 1988-12-29 | 1988-12-29 | 光記録媒体 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1007621A1 true HK1007621A1 (en) | 1999-04-16 |
Family
ID=26574803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK98106791A HK1007621A1 (en) | 1988-12-29 | 1998-06-25 | Optical recording medium |
Country Status (4)
Country | Link |
---|---|
US (1) | US5079135A (xx) |
EP (1) | EP0376327B1 (xx) |
DE (1) | DE68923777T2 (xx) |
HK (1) | HK1007621A1 (xx) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5449587A (en) * | 1988-12-15 | 1995-09-12 | Mitsui Toatsu Chemicals, Incorporated | Compact disk-write once type optical recording media |
KR910005252A (ko) * | 1989-08-30 | 1991-03-30 | 미다 가쓰시게 | 광정보 기록매체 |
US5280114A (en) * | 1990-04-07 | 1994-01-18 | Mitsui Toatsu Chemicals, Incorporated | Halogenation of alkoxyphthalocyanine |
JPH052771A (ja) * | 1991-06-25 | 1993-01-08 | Pioneer Electron Corp | 光記録媒体 |
JPH05579A (ja) * | 1991-06-25 | 1993-01-08 | Pioneer Electron Corp | 光記録媒体 |
US5485452A (en) * | 1991-06-28 | 1996-01-16 | Pioneer Electronic Corporation | Optical information recording medium |
EP0528512A1 (en) * | 1991-08-20 | 1993-02-24 | Pioneer Electronic Corporation | Recording medium |
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 |
US5424171A (en) * | 1992-04-03 | 1995-06-13 | Pioneer Electronic Corporation | Optical recording medium |
JP3315157B2 (ja) * | 1992-08-27 | 2002-08-19 | パイオニア株式会社 | 情報記録媒体 |
CA2110233C (en) | 1992-12-02 | 1999-01-12 | Mitsui Toatsu Chemicals, Incorporated | Optical information recording medium and composition for optical information recording film |
US5474874A (en) * | 1993-02-16 | 1995-12-12 | Sony Corporation | Optical recording medium |
US5633106A (en) * | 1994-04-08 | 1997-05-27 | Mitsui Toatsu Chemicals, Inc. | Optical recording media and a method of recording and reproducing information |
US5518789A (en) | 1994-05-17 | 1996-05-21 | Eastman Kodak Company | Thioether containing photopolymerizable compositions |
US5667860A (en) | 1995-11-14 | 1997-09-16 | Eastman Kodak Company | Optical recording elements having recording layers exhibiting reduced bubble formation |
US5759254A (en) * | 1996-07-18 | 1998-06-02 | Ciba Specialty Chemicals Corporation | Substituted phthalocyanines |
JPH10302310A (ja) * | 1997-04-25 | 1998-11-13 | Sony Corp | 光学記録媒体及び光学ディスク装置 |
JPH1173679A (ja) * | 1997-06-19 | 1999-03-16 | Taiyo Yuden Co Ltd | 光情報記録媒体 |
JP3659548B2 (ja) * | 1997-07-22 | 2005-06-15 | 株式会社リコー | 光記録媒体 |
US6292457B1 (en) | 1999-03-31 | 2001-09-18 | Eastman Kodak Company | Recordable optical media with a silver-gold reflective layer |
DE60106745T2 (de) | 2000-04-17 | 2006-02-09 | Mitsubishi Chemical Corp. | Optisches aufzeichnungsmedium |
AU2003220791A1 (en) * | 2002-02-15 | 2003-09-16 | Mitsui Chemicals, Inc | Rewritable optical information recording medium and recording/reproducing method, recording/reproducing device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4305081A (en) * | 1976-03-19 | 1981-12-08 | Rca Corporation | Multilayer record blank for use in optical recording |
NL7809159A (nl) * | 1977-09-29 | 1979-04-02 | Philips Nv | Informatieregistratie element met kleurstof bevattende hulplaag. |
JPS59169891A (ja) * | 1983-03-16 | 1984-09-25 | Konishiroku Photo Ind Co Ltd | 光学的情報記録媒体の製造方法 |
US4538159A (en) * | 1984-04-16 | 1985-08-27 | Eastman Kodak Company | Ceramic overcoated optical recording element |
DE3446418A1 (de) * | 1984-12-20 | 1986-06-26 | Basf Ag, 6700 Ludwigshafen | Optisches aufzeichnungsmedium und verfahren zu seiner herstellung |
DE3787244T2 (de) * | 1986-10-24 | 1993-12-16 | Hitachi Ltd | Verfahren zum Löschen einer Aufzeichnung in einem Datenspeicher aus Photochemical Hole Burning Material. |
JP2578426B2 (ja) * | 1987-04-13 | 1997-02-05 | キヤノン株式会社 | 光学記録媒体 |
US4950579A (en) * | 1988-07-08 | 1990-08-21 | Minnesota Mining And Manufacturing Company | Optical disc recording medium having a microstructure-derived inhomogeneity or anisotropy |
-
1989
- 1989-12-28 US US07/458,457 patent/US5079135A/en not_active Expired - Lifetime
- 1989-12-28 EP EP89124102A patent/EP0376327B1/en not_active Expired - Lifetime
- 1989-12-28 DE DE68923777T patent/DE68923777T2/de not_active Expired - Fee Related
-
1998
- 1998-06-25 HK HK98106791A patent/HK1007621A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE68923777T2 (de) | 1996-05-02 |
EP0376327B1 (en) | 1995-08-09 |
EP0376327A2 (en) | 1990-07-04 |
US5079135A (en) | 1992-01-07 |
DE68923777D1 (de) | 1995-09-14 |
EP0376327A3 (en) | 1991-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20081228 |