FR2447584A1 - Support d'enregistrement optique, procede d'enregistrement d'informations sur un tel support et procede de realisation de ce support - Google Patents
Support d'enregistrement optique, procede d'enregistrement d'informations sur un tel support et procede de realisation de ce supportInfo
- Publication number
- FR2447584A1 FR2447584A1 FR8001713A FR8001713A FR2447584A1 FR 2447584 A1 FR2447584 A1 FR 2447584A1 FR 8001713 A FR8001713 A FR 8001713A FR 8001713 A FR8001713 A FR 8001713A FR 2447584 A1 FR2447584 A1 FR 2447584A1
- Authority
- FR
- France
- Prior art keywords
- medium
- optical recording
- producing
- recording
- energy
- 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.)
- Withdrawn
Links
- 230000003287 optical effect Effects 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 230000005855 radiation Effects 0.000 abstract 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
- G11B7/241—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
- 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
-
- 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
- G11B7/257—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
- G11B7/2572—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of organic materials
- G11B7/2575—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of organic materials resins
-
- 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
- G11B7/258—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 reflective layers
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
L'INVENTION CONCERNE UN SUPPORT D'ENREGISTREMENT OPTIQUE COMPRENANT UNE MATIERE REFLECHISSANTE DONT LA SURFACE PRESENTE DES CAVITES D'UNE PROFONDEUR MOYENNE D ET D'UN ESPACEMENT MOYEN S TELS QUE, POUR UNE RADIATION INCIDENTE DE LONGUEUR D'ONDEL, S SOIT INFERIEUR A ENVIRONL20 ET D SOIT SUPERIEUR OU INFERIEUR AL6 ET PUISSE ETRE MODIFIE POUR DEVENIR INFERIEUR OU SUPERIEUR A L6, RESPECTIVEMENT. EN PRATIQUE, LA CHALEUR D'UNE SOURCE D'ENERGIE A HAUTE INTENSITE EST UTILISEE POUR RAMOLLIR LA SURFACE DE LA MATIERE REFLECHISSANTE 11 ET, SUIVANT LE SIGNE DE L'ENERGIE SUPERFICIELLE, POUR ACCROITRE OU DIMINUER D AFIN D'ABAISSER OU D'ELEVER LA REFLECTANCE DE LA SURFACE, RESPECTIVEMENT. DOMAINE D'APPLICATION: ENREGISTREMENT OPTIQUE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/006,599 US4245229A (en) | 1979-01-26 | 1979-01-26 | Optical recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2447584A1 true FR2447584A1 (fr) | 1980-08-22 |
Family
ID=21721660
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8001713A Withdrawn FR2447584A1 (fr) | 1979-01-26 | 1980-01-25 | Support d'enregistrement optique, procede d'enregistrement d'informations sur un tel support et procede de realisation de ce support |
Country Status (6)
Country | Link |
---|---|
US (1) | US4245229A (fr) |
JP (1) | JPS55130796A (fr) |
DE (1) | DE3002703A1 (fr) |
FR (1) | FR2447584A1 (fr) |
GB (1) | GB2043280A (fr) |
IT (1) | IT1193518B (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2492568A1 (fr) * | 1980-10-21 | 1982-04-23 | Rca Corp | Milieu d'enregistrement optique perfectionne et disque realise a l'aide de ce milieu |
EP0107379A1 (fr) * | 1982-09-27 | 1984-05-02 | Plasmon Data Systems N.V. | Milieu de stockage de données |
EP0110729A2 (fr) * | 1982-12-06 | 1984-06-13 | Plasmon Data Systems N.V. | Formation d'image et stockage d'informations |
EP0110730A2 (fr) * | 1982-12-06 | 1984-06-13 | Plasmon Data Systems N.V. | Enregistrement et stockage d'informations |
WO1984004420A1 (fr) * | 1983-04-28 | 1984-11-08 | Comtech Res Unit | Enregistrement et stockage de donnees |
WO1985002291A1 (fr) * | 1983-11-21 | 1985-05-23 | Comtech Research Unit Limited | Support de stockage de donnees |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4422159A (en) * | 1981-09-03 | 1983-12-20 | Bell Telephone Laboratories, Incorporated | Optical information storage and retrieval |
NL8202229A (nl) * | 1982-06-02 | 1984-01-02 | Docdata Bv | Medium voor het registreren van optisch uitleesbare informatie. |
GB8309447D0 (en) * | 1983-04-07 | 1983-05-11 | Combined Tech Corp Plc | Optical data storage |
GB8311691D0 (en) * | 1983-04-28 | 1983-06-02 | Combined Tech Corp Plc | Data storage and recording |
US4631704A (en) * | 1983-12-15 | 1986-12-23 | The University Of Houston | Methods and devices for charged beam accessible data storage |
US5341362A (en) * | 1984-08-20 | 1994-08-23 | Sharp Kabushiki Kaisha | Optical memory device having guide tracks shaped for increasing the quality of information signals |
US4878212A (en) * | 1984-10-05 | 1989-10-31 | Hoechst Celanese Corporation | Optical recording medium comprising a microporous polymer recording layer |
EP0197256A3 (en) * | 1985-02-11 | 1989-02-22 | Arthur M. Gerber | System and method for recording digital information |
US5026623A (en) * | 1986-04-21 | 1991-06-25 | Canon Kabushiki Kaisha | Optical recording medium |
US5224090A (en) * | 1987-01-24 | 1993-06-29 | Dai Nippon Insatsu Kabushiki Kaisha | Optical recording members and method for production thereof |
JPS63225945A (ja) * | 1987-03-16 | 1988-09-20 | Hitachi Ltd | 光磁気デイスク |
US5553051A (en) * | 1987-09-04 | 1996-09-03 | Hitachi, Ltd. | Increased intensity optical recording medium with adjacent grooves of different optical depth and a method and apparatus for reproducing the same |
US6033583A (en) * | 1997-05-05 | 2000-03-07 | The Regents Of The University Of California | Vapor etching of nuclear tracks in dielectric materials |
US20050215059A1 (en) * | 2004-03-24 | 2005-09-29 | Davis Ian M | Process for producing semi-conductor coated substrate |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1295008A (fr) * | 1960-05-25 | 1962-06-01 | Minnesota Mining & Mfg | Feuille pour reproduction graphique et son procédé de fabrication |
FR1328152A (fr) * | 1961-07-06 | 1963-05-24 | Thomson Houston Comp Francaise | Enregistrement par modulation thermique d'un ruban de matière plastique |
FR2145606A1 (fr) * | 1971-07-15 | 1973-02-23 | Energy Conversion Devices Inc |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3427628A (en) * | 1962-08-15 | 1969-02-11 | Minnesota Mining & Mfg | Thermoplastic recording |
CA967365A (en) * | 1970-10-12 | 1975-05-13 | Fuji Photo Film Co. | Laser recording method and material therefor |
US3893127A (en) * | 1973-09-27 | 1975-07-01 | Rca Corp | Electron beam recording media |
US4005437A (en) * | 1975-04-18 | 1977-01-25 | Rca Corporation | Method of recording information in which the electron beam sensitive material contains 4,4'-bis(3-diazo-3-4-oxo-1-naphthalene sulfonyloxy)benzil |
-
1979
- 1979-01-26 US US06/006,599 patent/US4245229A/en not_active Expired - Lifetime
-
1980
- 1980-01-24 GB GB8002485A patent/GB2043280A/en not_active Withdrawn
- 1980-01-25 DE DE19803002703 patent/DE3002703A1/de not_active Withdrawn
- 1980-01-25 IT IT19492/80A patent/IT1193518B/it active
- 1980-01-25 FR FR8001713A patent/FR2447584A1/fr not_active Withdrawn
- 1980-01-26 JP JP744380A patent/JPS55130796A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1295008A (fr) * | 1960-05-25 | 1962-06-01 | Minnesota Mining & Mfg | Feuille pour reproduction graphique et son procédé de fabrication |
FR1328152A (fr) * | 1961-07-06 | 1963-05-24 | Thomson Houston Comp Francaise | Enregistrement par modulation thermique d'un ruban de matière plastique |
FR2145606A1 (fr) * | 1971-07-15 | 1973-02-23 | Energy Conversion Devices Inc |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2492568A1 (fr) * | 1980-10-21 | 1982-04-23 | Rca Corp | Milieu d'enregistrement optique perfectionne et disque realise a l'aide de ce milieu |
EP0107379A1 (fr) * | 1982-09-27 | 1984-05-02 | Plasmon Data Systems N.V. | Milieu de stockage de données |
EP0110729A2 (fr) * | 1982-12-06 | 1984-06-13 | Plasmon Data Systems N.V. | Formation d'image et stockage d'informations |
EP0110730A2 (fr) * | 1982-12-06 | 1984-06-13 | Plasmon Data Systems N.V. | Enregistrement et stockage d'informations |
WO1984002420A1 (fr) * | 1982-12-06 | 1984-06-21 | Comtech Res Unit | Formation d'images et stockage de donnees |
WO1984002419A1 (fr) * | 1982-12-06 | 1984-06-21 | Comtech Res Unit | Ameliorations se rapportant au stockage et a l'enregistrement de donnees |
EP0110729A3 (en) * | 1982-12-06 | 1984-07-11 | Comtech Research Unit Limited | Image forming and data storage |
EP0110730A3 (en) * | 1982-12-06 | 1984-07-11 | Comtech Research Unit Limited | Improvements relating to data storage and recording |
WO1984004420A1 (fr) * | 1983-04-28 | 1984-11-08 | Comtech Res Unit | Enregistrement et stockage de donnees |
EP0126565A1 (fr) * | 1983-04-28 | 1984-11-28 | Plasmon Data Systems N.V. | Enregistrement et stockage d'informations |
WO1985002291A1 (fr) * | 1983-11-21 | 1985-05-23 | Comtech Research Unit Limited | Support de stockage de donnees |
Also Published As
Publication number | Publication date |
---|---|
DE3002703A1 (de) | 1980-08-07 |
US4245229A (en) | 1981-01-13 |
JPS55130796A (en) | 1980-10-09 |
IT8019492A0 (it) | 1980-01-25 |
GB2043280A (en) | 1980-10-01 |
IT1193518B (it) | 1988-07-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2447584A1 (fr) | Support d'enregistrement optique, procede d'enregistrement d'informations sur un tel support et procede de realisation de ce support | |
ES458637A1 (es) | Un dispositivo explorador optico perfeccionado que es ade- cuado para explorar pistas de registro en una superficie de registro de un portador de registro. | |
AU532587B2 (en) | Radial tracking servo apparatus for video disc | |
EP0457369A3 (fr) | Procédé et appareil d'enregistrement | |
FR2403617A1 (fr) | Procede pour la realisation d'un disque d'information lisible par voie optique a l'aide d'une plaque de raidissement plane, conductrice de la chaleur et realisee en materiau inorganique | |
DK509887A (da) | Stift polymer-underlag til plader til registrering eller optisk laesning samt med laser-lys laesbare plader omfattende saadant underlag | |
EP1515199A3 (fr) | Plaque support pour enregistrement d'un hologramme, méthode de fabrication d'un hologramme et article enregistré par hologramme | |
FR2316683A1 (fr) | Procede et dispositif pour l'enregistrement electromecanique d'une modulation a courte longueur d'onde dans un maitre-disque en metal | |
MY106947A (en) | Optical information recording method and medium. | |
BE863265A (fr) | Procede et dispositif pour le detection optique de defauts dans des objets transparents, notamment en verre | |
JPS5545166A (en) | Recording and reproducing method for optical information | |
AU7802775A (en) | Variable optical wedge for scanning alight beam inan apparatus for reading an optically encoded disc | |
GB1267858A (en) | Holographic process | |
JPS5616948A (en) | Optical memory medium | |
US3997350A (en) | Holographic storage material | |
JPS647327A (en) | Method and apparatus for optical information recording | |
GB1147531A (en) | Improvements in or relating to methods of recording items of information | |
AU4884985A (en) | Thermal recording medium and method | |
CA1155690A (fr) | Procede et support d'enregistrement pour l'holographie a deux photons et a quatre niveaux | |
DE3376596D1 (en) | Improvements relating to data storage and recording | |
GB1397447A (en) | Surface relief holograms | |
GB1285108A (en) | Method and device for reproducing signals stored on a transparent medium | |
JPS5674844A (en) | Magnetic recording medium | |
JPS6420193A (en) | Data-recording material | |
JPS57150158A (en) | Magnetooptic recording medium |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |