DE68905400T2 - Optischer Aufzeichnungsträger und Verfahren zum Schreiben, Lesen und Löschen einer Information in diesem Träger. - Google Patents

Optischer Aufzeichnungsträger und Verfahren zum Schreiben, Lesen und Löschen einer Information in diesem Träger.

Info

Publication number
DE68905400T2
DE68905400T2 DE89308018T DE68905400T DE68905400T2 DE 68905400 T2 DE68905400 T2 DE 68905400T2 DE 89308018 T DE89308018 T DE 89308018T DE 68905400 T DE68905400 T DE 68905400T DE 68905400 T2 DE68905400 T2 DE 68905400T2
Authority
DE
Germany
Prior art keywords
carrier
writing
reading
optical record
erasing 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
Application number
DE89308018T
Other languages
English (en)
Other versions
DE68905400D1 (de
Inventor
Kazuo Van
Hiroyuki Katayama
Akira Takahashi
Kenji Ohta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of DE68905400D1 publication Critical patent/DE68905400D1/de
Application granted granted Critical
Publication of DE68905400T2 publication Critical patent/DE68905400T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
DE89308018T 1988-08-05 1989-08-07 Optischer Aufzeichnungsträger und Verfahren zum Schreiben, Lesen und Löschen einer Information in diesem Träger. Expired - Fee Related DE68905400T2 (de)

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 DE68905400D1 (de) 1993-04-22
DE68905400T2 true 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)

* Cited by examiner, † Cited by third party
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
US5399451A (en) * 1991-03-14 1995-03-21 Matsushita Electric Industrial Co., Ltd. Optical recording medium and method for using the same
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
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)

* Cited by examiner, † Cited by third party
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
EP0193931B1 (de) * 1985-03-06 1994-06-08 Matsushita Electric Industrial Co., Ltd. Optische Aufzeichnungsmedien mit hoher Dichte, Verfahren zu deren Herstellung und Verfahren um optische Informationen in diesem Medium aufzuzeichnen
JPS61203450A (ja) * 1985-03-06 1986-09-09 Matsushita Electric Ind Co Ltd 光学記録媒体
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

Also Published As

Publication number Publication date
CA1326905C (en) 1994-02-08
DE68905400D1 (de) 1993-04-22
EP0354070A2 (de) 1990-02-07
KR920006312B1 (ko) 1992-08-03
KR900003822A (ko) 1990-03-27
JPH0246538A (ja) 1990-02-15
EP0354070A3 (en) 1990-10-10
US5088086A (en) 1992-02-11
EP0354070B1 (de) 1993-03-17

Similar Documents

Publication Publication Date Title
DE69030894D1 (de) Speichermedium, Speicherungsverfahren und Verfahren zum Auslesen der gespeicherten Informationen
EP0496132A3 (en) Method of and apparatus for optically writing, reading and erasing a multi-plane record carrier, and record carrier suitable for said method and apparatus
AT372798B (de) Verfahren, vorrichtung und aufzeichnungstraegerkoerper zum einschreiben von daten auf optischem wege sowie mit daten versehener aufzeichnungstraeger
DE69226116T2 (de) Aufzeichnungsträger, Ausleseeinrichtung zum Auslesen des Aufzeichnungsträgers, sowie Verfahren und Aufzeicheneinrichtung zum Aufzeichnen von Information auf einem Aufzeichnungsträger
DE3578826D1 (de) Verfahren zum aufzeichnen und zum loeschen optischer informationen.
DE3484939D1 (de) Optisches aufzeichnungsmedium und verfahren zum optischen aufnehmen und loeschen auf diesem medium.
DE68922185T2 (de) Optischer Informationsaufzeichnungsträger und Verfahren zu seiner Herstellung.
DE69031494D1 (de) Verfahren zum lesen und schreiben von dateien auf nichtlöschbaren speichermedien
DE69031952D1 (de) Verfahren zum aufnehmen, übertragen und speichern von information
DE3878293D1 (de) Informationssignalaufzeichnungsverfahren und aufzeichnungstraeger und aufzeichnungsanordnung zur anwendung in dem verfahren.
ATA245679A (de) Aufzeichnungstraeger, in dem daten in einer optisch auslesbaren informationsstruktur gespeichert sindund vorrichtung zum auslesen desselben
DE68905400T2 (de) Optischer Aufzeichnungsträger und Verfahren zum Schreiben, Lesen und Löschen einer Information in diesem Träger.
DE69728859D1 (de) Aufzeichnungsvorrichtung, -träger und -verfahren sowie lesevorrichtung zum lesen von informationsblöcken
DE3684306D1 (de) Verfahren zum aufzeichnen von optischer information.
DE3586453D1 (de) Geraet zum magnetooptischen aufnehmen, wiedergeben und loeschen von daten.
DE69321938T2 (de) Optisches informationsaufzeichnungsmedium und verfahren zum lesen derselben information
DE3773707D1 (de) Informationsaufzeichnungstraeger und verfahren zum schreiben/lesen von informationen von diesem traeger.
DE3675426D1 (de) Verfahren zum lesen optisch aufgezeichneter daten und vorrichtung dafuer.
DE3888296D1 (de) Optisches Informationsaufzeichnungs- und -löschverfahren.
DE3784227T2 (de) Medium fuer informationsspeicherung und verfahren zum loeschen von information.
DE3783637D1 (de) Optisches speichermedium und dessen informationsaufzeichnungs- und -loeschmethode und geraet dazu.
DE69229907D1 (de) Optisches Datenaufzeichnungsmedium und Verfahren zur Aufzeichnung auf, Löschen aus und Wiedergabe von demselben
DE68929107T2 (de) Optisches Datenaufzeichnungsmedium und Verfahren zu seiner Herstellung.
DE3889512D1 (de) Verfahren und Gerät zum Lesen oder Schreiben von Daten.
DE69621510D1 (de) Gerät und Verfahren zum Lesen und Schreiben von Daten

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