JPH0443571B2 - - Google Patents
Info
- Publication number
- JPH0443571B2 JPH0443571B2 JP60231519A JP23151985A JPH0443571B2 JP H0443571 B2 JPH0443571 B2 JP H0443571B2 JP 60231519 A JP60231519 A JP 60231519A JP 23151985 A JP23151985 A JP 23151985A JP H0443571 B2 JPH0443571 B2 JP H0443571B2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- information
- recording medium
- wavelength
- absorption
- 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
- 239000000975 dye Substances 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000031700 light absorption Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000862 absorption spectrum Methods 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- DZVCFNFOPIZQKX-LTHRDKTGSA-M merocyanine Chemical compound [Na+].O=C1N(CCCC)C(=O)N(CCCC)C(=O)C1=C\C=C\C=C/1N(CCCS([O-])(=O)=O)C2=CC=CC=C2O\1 DZVCFNFOPIZQKX-LTHRDKTGSA-M 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 238000007699 photoisomerization reaction Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
-
- 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
- G11B7/24—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
- G11B2007/24612—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 two or more dyes in one layer
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60231519A JPS6290649A (ja) | 1985-10-17 | 1985-10-17 | 光学記録媒体 |
| EP86102848A EP0193931B1 (en) | 1985-03-06 | 1986-03-05 | Optical high density recording mediums, method for making same and method for recording optical information in the medium |
| DE3689891T DE3689891T2 (de) | 1985-03-06 | 1986-03-05 | Optische Aufzeichnungsmedien mit hoher Dichte, Verfahren zu deren Herstellung und Verfahren um optische Informationen in diesem Medium aufzuzeichnen. |
| US06/836,625 US4737427A (en) | 1985-03-06 | 1986-03-05 | Optical high density recording mediums, method for making same and method for recording optical information in the medium |
| US07/145,686 US4845021A (en) | 1985-03-06 | 1988-01-14 | Method for recording optical information in optical high density recording mediums |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60231519A JPS6290649A (ja) | 1985-10-17 | 1985-10-17 | 光学記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6290649A JPS6290649A (ja) | 1987-04-25 |
| JPH0443571B2 true JPH0443571B2 (sv) | 1992-07-17 |
Family
ID=16924754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60231519A Granted JPS6290649A (ja) | 1985-03-06 | 1985-10-17 | 光学記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6290649A (sv) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62147454A (ja) * | 1985-12-20 | 1987-07-01 | Matsushita Electric Ind Co Ltd | 光学記録媒体 |
| JPH02105346A (ja) * | 1988-10-13 | 1990-04-17 | Fuji Electric Co Ltd | 光記録媒体 |
| JP2695264B2 (ja) * | 1990-01-09 | 1997-12-24 | シャープ株式会社 | 光記録及び読み出し方法 |
| JP2617231B2 (ja) * | 1990-01-09 | 1997-06-04 | シャープ株式会社 | 光記録及び読み出し方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4923897A (sv) * | 1972-06-28 | 1974-03-02 | ||
| JPS59152528A (ja) * | 1983-02-18 | 1984-08-31 | Fujitsu Ltd | 光学式記録装置 |
| JPS61116353A (ja) * | 1984-10-25 | 1986-06-03 | Matsushita Electric Ind Co Ltd | 色素被膜 |
-
1985
- 1985-10-17 JP JP60231519A patent/JPS6290649A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4923897A (sv) * | 1972-06-28 | 1974-03-02 | ||
| JPS59152528A (ja) * | 1983-02-18 | 1984-08-31 | Fujitsu Ltd | 光学式記録装置 |
| JPS61116353A (ja) * | 1984-10-25 | 1986-06-03 | Matsushita Electric Ind Co Ltd | 色素被膜 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6290649A (ja) | 1987-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4845021A (en) | Method for recording optical information in optical high density recording mediums | |
| US5399451A (en) | Optical recording medium and method for using the same | |
| JPS5856239A (ja) | 光記録媒体 | |
| JP3451752B2 (ja) | 光記録媒体 | |
| US5088086A (en) | Optical recording medium and the method of recording, reading, and erasing information using it | |
| WO2006053834A3 (en) | Monosubstituted squaric acid metal complex dyes and their use in optical layers for optical data recording | |
| EA016789B1 (ru) | Среда для хранения данных | |
| JPH0443571B2 (sv) | ||
| US5252371A (en) | Rewritable photochromic optical disk | |
| EP0503428B1 (en) | Optical recording medium and method for using the same | |
| JP2844769B2 (ja) | 光記録媒体および記録方法 | |
| JPS62147454A (ja) | 光学記録媒体 | |
| JPS61116353A (ja) | 色素被膜 | |
| JPS62147455A (ja) | 光学記録媒体 | |
| JP4368622B2 (ja) | メモリ素子 | |
| JPS63306090A (ja) | 光学的情報記憶媒体 | |
| JPS6290651A (ja) | 光学記録媒体の記録方法 | |
| JPH0452792B2 (sv) | ||
| JPH0470619B2 (sv) | ||
| JPH0443572B2 (sv) | ||
| JPH01503501A (ja) | 光学的情報記憶 | |
| EP1076334A1 (en) | Optical recording medium | |
| JPH08203122A (ja) | 光記録媒体とその再生方法 | |
| KR100257893B1 (ko) | 유기광기록매체 | |
| JPH07302438A (ja) | 光情報記録媒体及びその製造方法 |