DE3683166D1 - Optisches aufzeichnungsmedium. - Google Patents
Optisches aufzeichnungsmedium.Info
- Publication number
- DE3683166D1 DE3683166D1 DE8686100823T DE3683166T DE3683166D1 DE 3683166 D1 DE3683166 D1 DE 3683166D1 DE 8686100823 T DE8686100823 T DE 8686100823T DE 3683166 T DE3683166 T DE 3683166T DE 3683166 D1 DE3683166 D1 DE 3683166D1
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/10—Spiro-condensed systems
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances
-
- 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
- G11B7/245—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 a polymeric component
-
- 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
- G11B7/2531—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 glass
-
- 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
- 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
-
- 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
- Y10S430/163—Radiation-chromic compound
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60011307A JPS61170737A (ja) | 1985-01-24 | 1985-01-24 | 光記録媒体 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3683166D1 true DE3683166D1 (de) | 1992-02-13 |
Family
ID=11774346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686100823T Expired - Lifetime DE3683166D1 (de) | 1985-01-24 | 1986-01-22 | Optisches aufzeichnungsmedium. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4753867A (de) |
EP (1) | EP0189188B1 (de) |
JP (1) | JPS61170737A (de) |
DE (1) | DE3683166D1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62164590A (ja) * | 1986-01-17 | 1987-07-21 | Sony Corp | 光記録媒体 |
JP2594443B2 (ja) * | 1987-08-20 | 1997-03-26 | 富士写真フイルム株式会社 | 光学的情報記録媒体 |
GB8720417D0 (en) * | 1987-08-28 | 1987-10-07 | Minnesota Mining & Mfg | Recording medium for optical data storage |
US5118586A (en) * | 1988-03-28 | 1992-06-02 | Mitsui Petrochemical Industries, Ltd. | Photo-recording media and photo-recording method |
JPH01259357A (ja) * | 1988-04-11 | 1989-10-17 | Agency Of Ind Science & Technol | 光学記録媒体 |
DE3820001A1 (de) * | 1988-06-11 | 1989-12-14 | Basf Ag | Optisches aufzeichnungsmedium |
WO1990010007A1 (fr) * | 1989-02-28 | 1990-09-07 | Otsuka Kagaku Kabushiki Kaisha | Composes de spiropyrane |
JP2940690B2 (ja) * | 1989-09-22 | 1999-08-25 | 三洋電機株式会社 | 光記録媒体及びその再生方法 |
EP0466938B1 (de) * | 1990-02-08 | 1996-12-27 | Otsuka Kagaku Kabushiki Kaisha | Hochmolekulare spiropyranverbindung |
US5164287A (en) * | 1990-02-17 | 1992-11-17 | Mitsubishi Denki Kabushiki Kaisha | Photochromic material and rewritable optical recording medium |
JP2975761B2 (ja) * | 1991-03-04 | 1999-11-10 | 松下電器産業株式会社 | フォトクロミック材料及びその組成物を用いた光学記録媒体 |
US5464673A (en) * | 1991-08-08 | 1995-11-07 | Hitachi Chemical Co., Ltd. | Information recording medium having recording layer with organic polymer and dye contained therein |
US5818489A (en) * | 1994-12-07 | 1998-10-06 | Canon Kabushiki Kaisha | Image forming apparatus and process cartridge having exposure device using light beam having specific spot area |
US8076058B2 (en) * | 2004-09-30 | 2011-12-13 | Hewlett-Packard Development Company, L.P. | Color forming compositions and associated methods |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4270130A (en) * | 1979-01-08 | 1981-05-26 | Eastman Kodak Company | Thermal deformation record device with bleachable dye |
NL7905914A (nl) * | 1979-08-01 | 1981-02-03 | Philips Nv | Kleurstof bevattend laagje van een filmvormend polymeer bindmiddel en toepassing ervan in een informatie- registratieeelement. |
CA1207330A (en) * | 1982-12-28 | 1986-07-08 | Seiichi Arakawa | Photochromic compounds and photosensitive composition containing the compounds |
JPS59122577A (ja) * | 1982-12-28 | 1984-07-16 | Sony Corp | フオトクロミツク感光性組成物 |
JPS60147733A (ja) * | 1984-01-12 | 1985-08-03 | Nippon Telegr & Teleph Corp <Ntt> | 可逆的立体パタ−ンの形成方法 |
-
1985
- 1985-01-24 JP JP60011307A patent/JPS61170737A/ja active Granted
-
1986
- 1986-01-22 US US06/821,040 patent/US4753867A/en not_active Expired - Lifetime
- 1986-01-22 DE DE8686100823T patent/DE3683166D1/de not_active Expired - Lifetime
- 1986-01-22 EP EP86100823A patent/EP0189188B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH0588454B2 (de) | 1993-12-22 |
US4753867A (en) | 1988-06-28 |
EP0189188A2 (de) | 1986-07-30 |
EP0189188A3 (en) | 1988-07-06 |
EP0189188B1 (de) | 1992-01-02 |
JPS61170737A (ja) | 1986-08-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |