DE68905400D1 - Optischer aufzeichnungstraeger und verfahren zum schreiben, lesen und loeschen einer information in diesem traeger. - Google Patents
Optischer aufzeichnungstraeger und verfahren zum schreiben, lesen und loeschen einer information in diesem traeger.Info
- Publication number
- DE68905400D1 DE68905400D1 DE8989308018T DE68905400T DE68905400D1 DE 68905400 D1 DE68905400 D1 DE 68905400D1 DE 8989308018 T DE8989308018 T DE 8989308018T DE 68905400 T DE68905400 T DE 68905400T DE 68905400 D1 DE68905400 D1 DE 68905400D1
- Authority
- DE
- Germany
- Prior art keywords
- carrier
- deleting
- writing
- reading
- information
- 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
-
- 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
-
- 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
-
- 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
- G11B7/252—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
-
- 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 |
---|---|---|---|
JP63196372A JPH0246538A (ja) | 1988-08-05 | 1988-08-05 | 光メモリ素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68905400D1 true DE68905400D1 (de) | 1993-04-22 |
DE68905400T2 DE68905400T2 (de) | 1993-09-30 |
Family
ID=16356768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE89308018T Expired - Fee Related DE68905400T2 (de) | 1988-08-05 | 1989-08-07 | Optischer Aufzeichnungsträger und Verfahren zum Schreiben, Lesen und Löschen einer Information in diesem Träger. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5088086A (de) |
EP (1) | EP0354070B1 (de) |
JP (1) | JPH0246538A (de) |
KR (1) | KR920006312B1 (de) |
CA (1) | CA1326905C (de) |
DE (1) | DE68905400T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5835469A (en) * | 1990-05-25 | 1998-11-10 | Hitachi, Ltd. | High-density information recording/reproducing method |
JPH0497242A (ja) * | 1990-08-10 | 1992-03-30 | Sharp Corp | 情報記録再生方法 |
JP2552036B2 (ja) * | 1991-03-14 | 1996-11-06 | 松下電器産業株式会社 | 波長多重光学記録媒体とこれを用いた記録、消去及び再生方法 |
US5399451A (en) * | 1991-03-14 | 1995-03-21 | Matsushita Electric Industrial Co., Ltd. | Optical recording medium and method for using the same |
US5410531A (en) * | 1991-03-28 | 1995-04-25 | Sanyo Electric Co., Ltd. | Noise reduction in a multiplex recorded optical information system |
JPH0512715A (ja) * | 1991-07-03 | 1993-01-22 | Pioneer Electron Corp | 光記録媒体 |
US5644416A (en) * | 1991-11-26 | 1997-07-01 | Fuji Xerox Co., Ltd. | Light modulation device and method of light modulation using the same |
JPH06106857A (ja) * | 1992-09-28 | 1994-04-19 | Pioneer Electron Corp | 光記録媒体およびそれに記録された情報の再生方法 |
JP3685339B2 (ja) * | 1993-12-07 | 2005-08-17 | 独立行政法人理化学研究所 | レーザによる光反応の制御方法 |
NO301144B1 (no) * | 1995-05-23 | 1997-09-15 | Opticom As | Optisk datalagring |
US5741627A (en) * | 1996-05-15 | 1998-04-21 | Del Mar Avionics | Optical recording medium and method for eliminating berm buildup |
JPH1011756A (ja) * | 1996-06-24 | 1998-01-16 | Sanyo Electric Co Ltd | 光学デバイスの光学的操作方法及び光学制御デバイス |
GB2341565A (en) * | 1998-09-18 | 2000-03-22 | Martin Processing Co Inc | Photosensitive films |
US6570840B1 (en) | 2000-04-26 | 2003-05-27 | Optical Disc Corporation | Figure of merit in optical recording structures |
US8501371B2 (en) * | 2006-12-14 | 2013-08-06 | General Electric Company | Holographic data storage method and system |
US9164480B2 (en) * | 2006-12-14 | 2015-10-20 | General Electric Company | Holographic data storage device and method of making |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3720921A (en) * | 1970-07-14 | 1973-03-13 | Ibm | Recording in reversible, photochromic medium |
US4864537A (en) * | 1982-04-14 | 1989-09-05 | University Of Utah | Polymers and dye combinations and methods for their use in optical recording |
JPS59215382A (ja) * | 1983-05-20 | 1984-12-05 | Sony Corp | 感光材料 |
JPS61203450A (ja) * | 1985-03-06 | 1986-09-09 | Matsushita Electric Ind Co Ltd | 光学記録媒体 |
US4737427A (en) * | 1985-03-06 | 1988-04-12 | Matsushita Electric Industrial Co., Ltd. | Optical high density recording mediums, method for making same and method for recording optical information in the medium |
JPS62165751A (ja) * | 1986-01-17 | 1987-07-22 | Mitsubishi Electric Corp | 光多重記録法 |
JPS62287246A (ja) * | 1986-06-06 | 1987-12-14 | Nippon Telegr & Teleph Corp <Ntt> | 情報固定可能型書換え式光記憶方法 |
JPH0629947B2 (ja) * | 1986-07-16 | 1994-04-20 | 正浩 入江 | 光学記録材料 |
US4789965A (en) * | 1986-10-31 | 1988-12-06 | The University Of Utah | Methods and compositions for recording optical information employing molecular pseudorotation |
JPS63163341A (ja) * | 1986-12-25 | 1988-07-06 | Mitsubishi Petrochem Co Ltd | 分光増感されたポリジアセチレン系フオトクロミツク材料 |
JPH01259352A (ja) * | 1988-04-11 | 1989-10-17 | Agency Of Ind Science & Technol | 波長多重光学記録媒体の読みだし検出方法 |
-
1988
- 1988-08-05 JP JP63196372A patent/JPH0246538A/ja active Pending
-
1989
- 1989-07-26 CA CA000606718A patent/CA1326905C/en not_active Expired - Fee Related
- 1989-07-27 US US07/385,444 patent/US5088086A/en not_active Expired - Lifetime
- 1989-07-28 KR KR1019890010762A patent/KR920006312B1/ko not_active IP Right Cessation
- 1989-08-07 DE DE89308018T patent/DE68905400T2/de not_active Expired - Fee Related
- 1989-08-07 EP EP89308018A patent/EP0354070B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0354070A2 (de) | 1990-02-07 |
EP0354070B1 (de) | 1993-03-17 |
DE68905400T2 (de) | 1993-09-30 |
KR900003822A (ko) | 1990-03-27 |
EP0354070A3 (en) | 1990-10-10 |
CA1326905C (en) | 1994-02-08 |
US5088086A (en) | 1992-02-11 |
KR920006312B1 (ko) | 1992-08-03 |
JPH0246538A (ja) | 1990-02-15 |
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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 |