FR2435780A1 - Support d'enregistrement et de reproduction de signaux optiques - Google Patents
Support d'enregistrement et de reproduction de signaux optiquesInfo
- Publication number
- FR2435780A1 FR2435780A1 FR7922279A FR7922279A FR2435780A1 FR 2435780 A1 FR2435780 A1 FR 2435780A1 FR 7922279 A FR7922279 A FR 7922279A FR 7922279 A FR7922279 A FR 7922279A FR 2435780 A1 FR2435780 A1 FR 2435780A1
- Authority
- FR
- France
- Prior art keywords
- resin
- optical signals
- contg
- coating layers
- resin coating
- 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.)
- Granted
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
- G11B7/252—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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/705—Compositions containing chalcogenides, metals or alloys thereof, as photosensitive substances, e.g. photodope systems
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Abstract
Ce support d'enregistrement et de reproduction de signaux optiques présente une structure multi-couches capables enregistrer et de reproduire les informations à grande vitesse et avec une forte densité. Il présente une structure multi-couches qui se compose d'un substrat transparent 1 fait d'une résine synthétique, d'une couche de revêtement lisse et transparente 2 de 2 à 30 microns d'épaisseur sur une face au moins du substrat et d'une couche photosensible 3 en pellicule inorganique sur une face de la couche de revêtement.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11094478A JPS5538655A (en) | 1978-09-08 | 1978-09-08 | Optical signal recording and reproducing member |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2435780A1 true FR2435780A1 (fr) | 1980-04-04 |
FR2435780B1 FR2435780B1 (fr) | 1985-02-15 |
Family
ID=14548502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7922279A Granted FR2435780A1 (fr) | 1978-09-08 | 1979-09-06 | Support d'enregistrement et de reproduction de signaux optiques |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5538655A (fr) |
DE (1) | DE2935908A1 (fr) |
FR (1) | FR2435780A1 (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2463479A1 (fr) * | 1979-08-14 | 1981-02-20 | Nippon Telegraph & Telephone | Support d'enregistrement d'informations par faisceau laser et procede pour fabriquer ce support |
FR2466830A1 (fr) * | 1979-10-01 | 1981-04-10 | Omex | Support d'enregistrement par laser |
EP0037607A1 (fr) * | 1980-04-08 | 1981-10-14 | Koninklijke Philips Electronics N.V. | Disque d'information lisible par voie optique |
EP0042307A2 (fr) * | 1980-06-18 | 1981-12-23 | EASTMAN KODAK COMPANY (a New Jersey corporation) | Elément pour l'enregistrement optique et méthode d'enregistrement utilisant cet élément |
EP0060017A1 (fr) * | 1981-03-05 | 1982-09-15 | Minnesota Mining And Manufacturing Company | Disque d'enregistrement optique à film tendu |
EP0315392A2 (fr) * | 1987-11-05 | 1989-05-10 | Energy Conversion Devices, Inc. | Dispositif de stockage de donnés ayant un médium de mémoire encapsulé à base de changement de phase et moyens pour supprimer son ablation |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63183949A (ja) * | 1978-08-28 | 1988-07-29 | デイスコビジョン アソシエイツ | ポリメチルメタクリレート材料 |
JPS5724042A (en) * | 1980-07-18 | 1982-02-08 | Sony Corp | Optical information recording medium and its production |
JPS5762831A (en) * | 1980-10-02 | 1982-04-16 | Nissan Motor Co Ltd | Forging die for part having reverse gradient |
EP0049821B1 (fr) * | 1980-10-09 | 1987-04-15 | Kabushiki Kaisha Toshiba | Elément d'enregistrement de données |
JPS57113434A (en) * | 1981-01-06 | 1982-07-14 | Mitsubishi Rayon Co Ltd | Manufacture of information recording body |
JPS57150151A (en) * | 1981-03-11 | 1982-09-16 | Asahi Denka Kogyo Kk | Optical disc with coated surface |
JPS5837855A (ja) * | 1981-08-31 | 1983-03-05 | Ayao Wada | 画像、音声、磁気、信号等の記録、再生用デイスク盤 |
JPS5862841A (ja) * | 1981-10-09 | 1983-04-14 | Seiko Epson Corp | デイスク材料 |
JPS60157747A (ja) * | 1984-01-26 | 1985-08-19 | Daicel Chem Ind Ltd | 光磁気記録ディスク |
JPS60170032A (ja) * | 1984-02-13 | 1985-09-03 | Hitachi Ltd | 光デイスクの傷再生方法およびその装置 |
US4600682A (en) * | 1984-07-06 | 1986-07-15 | Storage Technology Corporation | Optical storage structure |
US5364735A (en) * | 1988-07-01 | 1994-11-15 | Sony Corporation | Multiple layer optical record medium with protective layers and method for producing same |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2209159A1 (en) * | 1972-09-25 | 1974-06-28 | Western Electric Co | Data processing bismuth plastics tape - precipitating plastics film within plasma discharge |
FR2266933A1 (fr) * | 1974-04-04 | 1975-10-31 | Western Electric Co | |
US4032691A (en) * | 1974-03-22 | 1977-06-28 | Fuji Photo Film Co., Ltd. | Recording material |
FR2404887A1 (fr) * | 1977-09-28 | 1979-04-27 | Rca Corp | Moyen d'enregistrement d'informations |
NL7901448A (nl) * | 1978-02-24 | 1979-08-28 | Rca Corp | Onbewerkte registratiedrager. |
FR2431144A1 (fr) * | 1978-07-14 | 1980-02-08 | Hitachi Ltd | Materiau d'enregistrement et procede de fabrication de ce dernier |
FR2435779A1 (fr) * | 1978-09-08 | 1980-04-04 | Matsushita Electric Ind Co Ltd | Element d'enregistrement optique |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51131603A (en) * | 1975-04-28 | 1976-11-16 | Teletype Corp | Multiilayer memory structure for laser recording |
-
1978
- 1978-09-08 JP JP11094478A patent/JPS5538655A/ja active Pending
-
1979
- 1979-09-05 DE DE19792935908 patent/DE2935908A1/de not_active Withdrawn
- 1979-09-06 FR FR7922279A patent/FR2435780A1/fr active Granted
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2209159A1 (en) * | 1972-09-25 | 1974-06-28 | Western Electric Co | Data processing bismuth plastics tape - precipitating plastics film within plasma discharge |
US4032691A (en) * | 1974-03-22 | 1977-06-28 | Fuji Photo Film Co., Ltd. | Recording material |
FR2266933A1 (fr) * | 1974-04-04 | 1975-10-31 | Western Electric Co | |
FR2404887A1 (fr) * | 1977-09-28 | 1979-04-27 | Rca Corp | Moyen d'enregistrement d'informations |
NL7901448A (nl) * | 1978-02-24 | 1979-08-28 | Rca Corp | Onbewerkte registratiedrager. |
FR2418514A1 (fr) * | 1978-02-24 | 1979-09-21 | Rca Corp | Support d'enregistrement optique de l'information |
FR2431144A1 (fr) * | 1978-07-14 | 1980-02-08 | Hitachi Ltd | Materiau d'enregistrement et procede de fabrication de ce dernier |
FR2435779A1 (fr) * | 1978-09-08 | 1980-04-04 | Matsushita Electric Ind Co Ltd | Element d'enregistrement optique |
Non-Patent Citations (2)
Title |
---|
EXBK/72 * |
EXBK/73 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2463479A1 (fr) * | 1979-08-14 | 1981-02-20 | Nippon Telegraph & Telephone | Support d'enregistrement d'informations par faisceau laser et procede pour fabriquer ce support |
FR2466830A1 (fr) * | 1979-10-01 | 1981-04-10 | Omex | Support d'enregistrement par laser |
EP0037607A1 (fr) * | 1980-04-08 | 1981-10-14 | Koninklijke Philips Electronics N.V. | Disque d'information lisible par voie optique |
EP0042307A2 (fr) * | 1980-06-18 | 1981-12-23 | EASTMAN KODAK COMPANY (a New Jersey corporation) | Elément pour l'enregistrement optique et méthode d'enregistrement utilisant cet élément |
EP0042307A3 (en) * | 1980-06-18 | 1982-10-06 | Eastman Kodak Company | An optical recording element and a method of recording information using the element |
EP0060017A1 (fr) * | 1981-03-05 | 1982-09-15 | Minnesota Mining And Manufacturing Company | Disque d'enregistrement optique à film tendu |
EP0315392A2 (fr) * | 1987-11-05 | 1989-05-10 | Energy Conversion Devices, Inc. | Dispositif de stockage de donnés ayant un médium de mémoire encapsulé à base de changement de phase et moyens pour supprimer son ablation |
EP0315392A3 (en) * | 1987-11-05 | 1990-09-12 | Energy Conversion Devices, Inc. | Data storage device having an encapsulated phase change memory medium and means for suppressing ablation thereof |
Also Published As
Publication number | Publication date |
---|---|
JPS5538655A (en) | 1980-03-18 |
FR2435780B1 (fr) | 1985-02-15 |
DE2935908A1 (de) | 1980-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |