DE60023368D1 - Informationsaufzeichnungsmedium - Google Patents

Informationsaufzeichnungsmedium

Info

Publication number
DE60023368D1
DE60023368D1 DE60023368T DE60023368T DE60023368D1 DE 60023368 D1 DE60023368 D1 DE 60023368D1 DE 60023368 T DE60023368 T DE 60023368T DE 60023368 T DE60023368 T DE 60023368T DE 60023368 D1 DE60023368 D1 DE 60023368D1
Authority
DE
Germany
Prior art keywords
recording medium
information recording
information
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 - Fee Related
Application number
DE60023368T
Other languages
English (en)
Other versions
DE60023368T2 (de
Inventor
Hiroki Maeda
Kyoko Kogo
Junichi Hanna
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.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing Co Ltd
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 Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Publication of DE60023368D1 publication Critical patent/DE60023368D1/de
Application granted granted Critical
Publication of DE60023368T2 publication Critical patent/DE60023368T2/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
    • 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
    • G11B7/25—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 liquid crystals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/04—Charge transferring layer characterised by chemical composition, i.e. conductive
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/06—Substrate layer characterised by chemical composition
    • C09K2323/061—Inorganic, e.g. ceramic, metallic or 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • 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
    • G11B7/0055—Erasing
    • G11B7/00555—Erasing involving liquid crystal media
    • 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
    • G11B7/006—Overwriting
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Liquid Crystal (AREA)
  • Semiconductor Memories (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
DE60023368T 1999-01-08 2000-01-04 Informationsaufzeichnungsmedium Expired - Fee Related DE60023368T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP00295599A JP4074719B2 (ja) 1999-01-08 1999-01-08 情報記録媒体
JP295599 1999-01-08

Publications (2)

Publication Number Publication Date
DE60023368D1 true DE60023368D1 (de) 2005-12-01
DE60023368T2 DE60023368T2 (de) 2006-07-20

Family

ID=11543801

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60023368T Expired - Fee Related DE60023368T2 (de) 1999-01-08 2000-01-04 Informationsaufzeichnungsmedium

Country Status (4)

Country Link
US (2) US20030129326A1 (de)
EP (1) EP1022732B1 (de)
JP (1) JP4074719B2 (de)
DE (1) DE60023368T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060274633A1 (en) * 2003-02-27 2006-12-07 Meinders Erwin R Multi-stack information carrier
JP4883381B2 (ja) * 2004-03-29 2012-02-22 大日本印刷株式会社 液晶性有機半導体材料およびそれを用いた有機半導体構造物
EP1717862A3 (de) 2005-04-28 2012-10-10 Semiconductor Energy Laboratory Co., Ltd. Speicherelement und Halbleiterbauelement
JP5089074B2 (ja) * 2005-04-28 2012-12-05 株式会社半導体エネルギー研究所 記憶装置
JP5252827B2 (ja) * 2006-04-28 2013-07-31 株式会社半導体エネルギー研究所 記憶素子

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876286A (en) 1972-06-14 1975-04-08 Werk Fernsehelektronik Veb Use of nematic liquid crystalline substances
US5227905A (en) * 1980-01-08 1993-07-13 Clark Noel A Surface stabilized ferroelectric liquid crystal devices
DE3136624A1 (de) 1981-09-15 1983-03-31 Merck Patent Gmbh, 6100 Darmstadt Fluessigkristalline halogenverbindungen, verfahren zu ihrer herstellung, diese enthaltende dielektrika und elektrooptisches anzeigeelement
JPS5935989A (ja) * 1982-08-24 1984-02-27 Konishiroku Photo Ind Co Ltd 情報記録媒体
US4780383A (en) * 1985-02-27 1988-10-25 Armstrong World Industries, Inc. Optical storage system having expanded capacity
JPS61280046A (ja) 1985-06-06 1986-12-10 Nec Corp 光記録方式
DE3603266A1 (de) * 1986-02-04 1987-08-06 Roehm Gmbh Vorrichtung zur reversibeln, optischen datenspeicherung (ii)
US4836654A (en) * 1986-06-30 1989-06-06 Casio Computer Co., Ltd. Drive method for a dual-frequency, dielectric anisotropy liquid crystal optical device
US4888718A (en) * 1987-02-25 1989-12-19 Kubushiki Kaisha Kosumo Keiki Volume measuring apparatus and method
GB9022585D0 (en) * 1990-10-17 1990-11-28 Marconi Gec Ltd Compact discs
US5693421A (en) 1992-12-22 1997-12-02 Dai Nippon Printing Co., Ltd. Information recording medium and information recording and reproducing method
DE69425184T2 (de) 1993-04-26 2001-03-22 Dainippon Printing Co Ltd Photoelektrische Sensor, Aufzeichnungssystem, und Verfahren für Datenaufzeichnung und Reprographie
DE4317093A1 (de) 1993-05-21 1994-11-24 Basf Ag Niedermolekulare und polymere flüssigkristalline Benztriazole und deren Verwendung
EP0651381A1 (de) * 1993-10-28 1995-05-03 Akzo Nobel N.V. Optischer Datenaufzeichnungsträger und Methode zur Informationsspeicherung
US5670083A (en) * 1994-02-23 1997-09-23 Fuji Xerox Co., Ltd. Optical element and process for producing the same
US5645758A (en) * 1994-04-14 1997-07-08 Kabushiki Kaisha Toyota Chuo Kenkyusho Liquid crystal composition, liquid crystal device using the same, light controlling element, recording medium, and light shutter
US5646927A (en) 1994-10-14 1997-07-08 Dai Nippon Printing Co., Ltd. Packaged photographic film with a plurality of liquid crystal recording regions
JP3431386B2 (ja) 1995-03-16 2003-07-28 株式会社東芝 記録素子およびドリフト移動度変調素子
US5861108A (en) 1995-07-07 1999-01-19 Mitsui Chemicals, Inc. Naphthalene compound, and liquid crystal composition and liquid crystal element using the same
JPH0943581A (ja) * 1995-08-02 1997-02-14 Dainippon Printing Co Ltd 情報記録媒体および情報記録装置
US5766510A (en) 1995-08-25 1998-06-16 Dai Nippon Printing Co., Ltd. Liquid crystalline compound and use thereof
JPH09185043A (ja) 1995-12-28 1997-07-15 Sumitomo Electric Ind Ltd 液晶素子
US5881108A (en) * 1996-02-22 1999-03-09 Globespan Technologies, Inc. Adaptive pre-equalizer for use in data communications equipment
JP2861956B2 (ja) * 1996-07-24 1999-02-24 日本電気株式会社 高周波デバイスパッケージ及びその製造方法
JP4116109B2 (ja) * 1997-02-19 2008-07-09 大日本印刷株式会社 エレクトロルミネッセンス素子用組成物
US6224787B1 (en) 1997-03-10 2001-05-01 Dai Nippon Printing Co., Ltd. Liquid crystalline charge transport material
JPH10312711A (ja) * 1997-03-10 1998-11-24 Dainippon Printing Co Ltd 液晶性電荷輸送材料

Also Published As

Publication number Publication date
US20040095517A1 (en) 2004-05-20
US7550181B2 (en) 2009-06-23
JP4074719B2 (ja) 2008-04-09
US20030129326A1 (en) 2003-07-10
JP2000207770A (ja) 2000-07-28
DE60023368T2 (de) 2006-07-20
EP1022732A1 (de) 2000-07-26
EP1022732B1 (de) 2005-10-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee