FR2603127B1 - Dispositif et procede pour la memorisation optique reversible d'informations avec un support d'enregistrement sous forme de cristaux liquides polymeres, utilisation du dispositif et homopolymeres employes - Google Patents
Dispositif et procede pour la memorisation optique reversible d'informations avec un support d'enregistrement sous forme de cristaux liquides polymeres, utilisation du dispositif et homopolymeres employesInfo
- Publication number
- FR2603127B1 FR2603127B1 FR8709683A FR8709683A FR2603127B1 FR 2603127 B1 FR2603127 B1 FR 2603127B1 FR 8709683 A FR8709683 A FR 8709683A FR 8709683 A FR8709683 A FR 8709683A FR 2603127 B1 FR2603127 B1 FR 2603127B1
- Authority
- FR
- France
- Prior art keywords
- recording medium
- information
- optical storage
- liquid crystals
- polymeric liquid
- 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
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/132—Thermal activation of liquid crystals exhibiting a thermo-optic effect
-
- 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
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/38—Polymers
- C09K19/3833—Polymers with mesogenic groups in the side chain
- C09K19/3842—Polyvinyl derivatives
- C09K19/3852—Poly(meth)acrylate derivatives
-
- 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
-
- 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
- G11B7/00552—Erasing involving colour change 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
- G11B7/0055—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
- G11B7/24—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
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/03—Viewing layer characterised by chemical composition
- C09K2323/031—Polarizer or dye
-
- 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
- G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Liquid Crystal Substances (AREA)
- Liquid Crystal (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863623395 DE3623395A1 (de) | 1986-07-11 | 1986-07-11 | Vorrichtung zur reversiblen, optischen datenspeicherung unter verwendung von polymeren fluessigkristallen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2603127A1 FR2603127A1 (fr) | 1988-02-26 |
FR2603127B1 true FR2603127B1 (fr) | 1992-11-13 |
Family
ID=6304948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8709683A Expired - Lifetime FR2603127B1 (fr) | 1986-07-11 | 1987-07-08 | Dispositif et procede pour la memorisation optique reversible d'informations avec un support d'enregistrement sous forme de cristaux liquides polymeres, utilisation du dispositif et homopolymeres employes |
Country Status (8)
Country | Link |
---|---|
US (1) | US5024784A (fr) |
JP (1) | JPS6387626A (fr) |
KR (1) | KR960002002B1 (fr) |
DE (1) | DE3623395A1 (fr) |
FR (1) | FR2603127B1 (fr) |
GB (1) | GB2193338B (fr) |
IT (1) | IT1211198B (fr) |
NL (1) | NL8701620A (fr) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5239338A (en) * | 1973-09-24 | 1993-08-24 | Pearson Robert E | Storage apparatus comprising a plurality of layers |
US5118586A (en) * | 1988-03-28 | 1992-06-02 | Mitsui Petrochemical Industries, Ltd. | Photo-recording media and photo-recording method |
DE3825066A1 (de) * | 1988-07-23 | 1990-01-25 | Roehm Gmbh | Verfahren zur herstellung von duennen, anisotropen schichten auf oberflaechenstrukturierten traegern |
US5019476A (en) * | 1988-11-16 | 1991-05-28 | Olympus Optical Co., Ltd. | Optical recording medium |
JP2631015B2 (ja) * | 1989-06-06 | 1997-07-16 | 株式会社リコー | 液晶性高分子の配向方法 |
DE3920421A1 (de) * | 1989-06-22 | 1991-01-03 | Roehm Gmbh | Verfahren zur herstellung optischer komponenten (ii) |
DE3920420A1 (de) * | 1989-06-22 | 1991-01-03 | Roehm Gmbh | Verfahren zur herstellung optischer komponenten (i) |
JPH0336527A (ja) * | 1989-07-03 | 1991-02-18 | Agency Of Ind Science & Technol | 光学素子 |
DE3924554A1 (de) * | 1989-07-25 | 1991-01-31 | Roehm Gmbh | Anisotrope fluessigkristalline polymer-filme |
US5234799A (en) * | 1990-02-17 | 1993-08-10 | Mitsubishi Denki Kabushiki Kaisha | Photochromic material and rewritable optical recording medium |
US5164287A (en) * | 1990-02-17 | 1992-11-17 | Mitsubishi Denki Kabushiki Kaisha | Photochromic material and rewritable optical recording medium |
US5262081A (en) * | 1990-03-01 | 1993-11-16 | Akzo N.V. | Liquid crystalline polyesters for optical data storage |
JPH063528B2 (ja) * | 1990-03-16 | 1994-01-12 | 富士ゼロックス株式会社 | 光変調表示素子及び表示方法 |
JPH04228132A (ja) * | 1990-06-12 | 1992-08-18 | Canon Inc | 情報記憶媒体および該媒体を用いた記録・保持方法 |
WO1992002930A1 (fr) * | 1990-08-02 | 1992-02-20 | Agfa-Gevaert Ag | Polymeres en cristaux liquides et leur procede d'alignement induit par la lumiere a des fins d'enregistrement reversible de donnees |
DE69106824T2 (de) * | 1990-09-24 | 1995-08-31 | Akzo Nobel Nv | Flüssig-Kristalline und infra-rot-empfindliche-flüssig-Kristalline Polyester zur Verwendung in optischer Daten-speicherung, Verfahren zur Bereitung derselben und Gerät, das infra-rot-empfindliches Polyester enthält. |
US5202053A (en) * | 1991-02-22 | 1993-04-13 | Hercules Incorporated | Polymerizable nematic monomer compositions |
GB9108382D0 (en) * | 1991-04-19 | 1991-06-05 | Philips Electronic Associated | Opto-electronic memory system |
SG50596A1 (en) * | 1991-07-26 | 2001-01-16 | Rolic Ag | Photo-oriented polymer networks and method of their manufacture |
DE4135080A1 (de) * | 1991-10-24 | 1993-04-29 | Roehm Gmbh | Verbesserte fluessigkristalline farbstoffcopolymere |
US5644416A (en) * | 1991-11-26 | 1997-07-01 | Fuji Xerox Co., Ltd. | Light modulation device and method of light modulation using the same |
DE4139563A1 (de) * | 1991-11-30 | 1993-06-03 | Roehm Gmbh | Reversibel vernetzte, orientierbare fluessigkristalline polymere |
US5251197A (en) * | 1992-02-13 | 1993-10-05 | Hoechst Celanses Corp. | Polarization dependent writing and erasing process for organic optical media |
DE4208328C2 (de) * | 1992-03-16 | 2002-11-14 | Bayer Ag | Verfahren und Vorrichtung zur löschbaren Speicherung von Information |
US5751452A (en) * | 1993-02-22 | 1998-05-12 | Nippon Telegraph And Telephone Corporation | Optical devices with high polymer material and method of forming the same |
US5313320A (en) * | 1993-03-18 | 1994-05-17 | California Institute Of Technology | Method for aligning side-group liquid-crystalline polymers |
US5552915A (en) * | 1994-10-19 | 1996-09-03 | The Penn State Research Foundation | Liquid crystal non-linear, photorefractive electro-optical storage device having a liquid crystal film including dopant species of C60 or C70 |
US5753145A (en) * | 1995-06-02 | 1998-05-19 | Hoecst Celanese Corp. | Polarizer films with high thermal and hygroscopic stability |
JPH10183117A (ja) * | 1996-12-24 | 1998-07-14 | Dainippon Printing Co Ltd | 記録表示媒体及びその使用方法 |
JP4104718B2 (ja) * | 1997-04-11 | 2008-06-18 | 富士ゼロックス株式会社 | 光記録方法 |
US6803153B1 (en) * | 1997-04-11 | 2004-10-12 | Fuji Xerox Co., Ltd. | Optical storage medium, optical storage method; optical storage apparatus, optical reading method, optical reading apparatus, optical retrieving method and optical retrieving apparatus |
US6940801B1 (en) * | 1997-11-10 | 2005-09-06 | Fuji Xerox Co., Ltd. | Optical recording medium, optical recording and reproducing method and apparatus |
DE19914325C1 (de) | 1999-03-30 | 2000-07-06 | Bayer Ag | Wiederbeschreibbares optisches Aufzeichnungsmaterial für blaue Laser |
JP2000318326A (ja) * | 1999-05-10 | 2000-11-21 | Minolta Co Ltd | 熱可逆性記録媒体への記録方法及び記録装置 |
JP2001133630A (ja) * | 1999-11-04 | 2001-05-18 | Fuji Photo Film Co Ltd | 異方性膜及び液晶表示素子 |
DE19956162A1 (de) * | 1999-11-12 | 2001-05-17 | Ulrich Pietsch | Verfahren zur remanenten optischen Speicherung von Daten |
DE10007410A1 (de) * | 2000-02-18 | 2001-08-23 | Bayer Ag | Neues optisches Speicherverfahren für wiederbeschreibbare digitale Datenträger |
KR100338603B1 (ko) * | 2000-05-03 | 2002-05-27 | 김원현 | 미량원소가 다량 함유된 광물질과 미생물제재가 함유된바이오캡슐 제조방법 |
WO2004001726A1 (fr) * | 2002-06-19 | 2003-12-31 | Koninklijke Philips Electronics N.V. | Memoire optique pour donnees |
JP2005530306A (ja) * | 2002-06-19 | 2005-10-06 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 蛍光性の単層又は多層の記憶用の異方性の双極子放出を伴った最適化された媒体 |
US20040126503A1 (en) * | 2002-12-19 | 2004-07-01 | Matthias Kuntz | Process for laser marking of a liquid crystal film |
EP1599876A2 (fr) * | 2003-02-27 | 2005-11-30 | Koninklijke Philips Electronics N.V. | Support d'informations a plusieurs empilements |
EP1842184A2 (fr) * | 2005-01-12 | 2007-10-10 | Mempile Inc. | Fabrication de multiplaques pour memoire optique amelioree |
JP5026706B2 (ja) * | 2006-01-27 | 2012-09-19 | 富士フイルム株式会社 | 光駆動型アクチュエータ及びその製造方法 |
US9695258B2 (en) * | 2014-06-30 | 2017-07-04 | The United States Of America As Represented By The Secretary Of The Army | Polymeric materials with responsive adhesion and/or mechanical properties |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3329648A (en) * | 1962-11-21 | 1967-07-04 | American Cyanamid Co | Compositions of matter composed of vinyl polymers and inorganic photochromic oxides |
DE2831909A1 (de) * | 1978-07-20 | 1980-02-07 | Basf Ag | Fluessig-kristalline polymerphase mit cholesterischer struktur, verfahren zu ihrer herstellung und ihre verwendung |
US4232951A (en) * | 1978-08-04 | 1980-11-11 | Allied Chemical Corporation | Mesomorphic isocyanate extended rigid polymers |
DE3211400A1 (de) * | 1982-03-27 | 1983-09-29 | Basf Ag, 6700 Ludwigshafen | Polymere mit mesogenen gruppen und farbstoffresten in den seitenketten |
EP0106175B1 (fr) * | 1982-09-30 | 1988-12-07 | Showa Denko Kabushiki Kaisha | Substance liquide cristalline et polymère conduisant l'électricité |
US4617371A (en) * | 1982-11-29 | 1986-10-14 | Alexandre Blumstein | Novel polymeric liquid crystals and methods for their preparation |
GB8324642D0 (en) * | 1983-09-14 | 1983-10-19 | Univ Manchester | Liquid crystal storage device |
DE3429438A1 (de) * | 1984-08-10 | 1988-06-23 | Basf Ag | Optisches aufzeichnungsmedium |
US4624872A (en) * | 1984-08-13 | 1986-11-25 | Celanese Corporation | Liquid crystalline polymer substrates with orthogonal molecular orientation |
US4868250A (en) * | 1986-01-24 | 1989-09-19 | Hoechst Celanese Corp. | Polysiloxane polymers exhibiting nonlinear optical response |
JPS62172541A (ja) * | 1986-01-25 | 1987-07-29 | Nippon Telegr & Teleph Corp <Ntt> | 光記録担体 |
US4733109A (en) * | 1986-02-03 | 1988-03-22 | Minnesota Mining And Manufacturing Company | Second harmonic generation with Schiff bases |
DE3603268A1 (de) * | 1986-02-04 | 1987-09-24 | Roehm Gmbh | Verfahren zur reversiblen, optischen datenspeicherung (iii) |
DE3603266A1 (de) * | 1986-02-04 | 1987-08-06 | Roehm Gmbh | Vorrichtung zur reversibeln, optischen datenspeicherung (ii) |
JPS62209186A (ja) * | 1986-03-11 | 1987-09-14 | Agency Of Ind Science & Technol | 光メモリ材料 |
FR2597109B1 (fr) * | 1986-04-15 | 1988-06-17 | Thomson Csf | Materiau polymerique mesomorphe utilisable en optique non lineaire |
US4755574A (en) * | 1986-10-03 | 1988-07-05 | Hoechst Celanese Corporation | Acrylic polymers exhibiting chiral and nonlinear optical properties |
US4801659A (en) * | 1986-10-27 | 1989-01-31 | Hoechst Celanese Corp. | Organopolysiloxanes exhibiting nonlinear optical response |
US4906407A (en) * | 1986-11-07 | 1990-03-06 | Hoechst Celanese Corporation | Azomethine compositions having nonlinear optical properties |
US4855376A (en) * | 1986-11-21 | 1989-08-08 | Hoechst Celanese Corp. | Side chain liquid crystalline polymers exhibiting nonlinear optical properties |
US4867538A (en) * | 1987-03-20 | 1989-09-19 | Hoechst Celanese Corp. | Organic nonlinear optical media |
US4887889A (en) * | 1988-02-03 | 1989-12-19 | Hoechst Celanese Corporation | Organopolysiloxanes exhibiting nonlinear response |
-
1986
- 1986-07-11 DE DE19863623395 patent/DE3623395A1/de not_active Withdrawn
-
1987
- 1987-07-08 US US07/071,192 patent/US5024784A/en not_active Expired - Fee Related
- 1987-07-08 FR FR8709683A patent/FR2603127B1/fr not_active Expired - Lifetime
- 1987-07-09 NL NL8701620A patent/NL8701620A/nl not_active Application Discontinuation
- 1987-07-09 JP JP62169942A patent/JPS6387626A/ja active Pending
- 1987-07-10 IT IT8767599A patent/IT1211198B/it active
- 1987-07-10 GB GB8716250A patent/GB2193338B/en not_active Expired - Lifetime
- 1987-07-11 KR KR1019870007480A patent/KR960002002B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2193338B (en) | 1990-03-14 |
KR960002002B1 (ko) | 1996-02-09 |
KR880002034A (ko) | 1988-04-28 |
US5024784A (en) | 1991-06-18 |
IT8767599A0 (it) | 1987-07-10 |
DE3623395A1 (de) | 1988-01-21 |
GB8716250D0 (en) | 1987-08-19 |
JPS6387626A (ja) | 1988-04-18 |
NL8701620A (nl) | 1988-02-01 |
IT1211198B (it) | 1989-10-12 |
FR2603127A1 (fr) | 1988-02-26 |
GB2193338A (en) | 1988-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ER | Errata listed in the french official journal (bopi) |
Free format text: 08/88 |
|
ST | Notification of lapse |