JPS641315B2 - - Google Patents
Info
- Publication number
- JPS641315B2 JPS641315B2 JP53050687A JP5068778A JPS641315B2 JP S641315 B2 JPS641315 B2 JP S641315B2 JP 53050687 A JP53050687 A JP 53050687A JP 5068778 A JP5068778 A JP 5068778A JP S641315 B2 JPS641315 B2 JP S641315B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- layer
- recording
- recording medium
- wavelength
- 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
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
- G11B7/254—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 protective topcoat layers
- G11B7/2542—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 protective topcoat layers consisting essentially of organic 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
- G11B7/257—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
- G11B2007/25705—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 inorganic materials
- G11B2007/2571—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 inorganic materials containing group 14 elements except carbon (Si, Ge, Sn, Pb)
-
- 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
- G11B2007/25705—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 inorganic materials
- G11B2007/25715—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 inorganic materials containing oxygen
-
- 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
-
- 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
- G11B7/2585—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 based on aluminium
-
- 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
- G11B7/2595—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 based on gold
Landscapes
- Thermal Transfer Or Thermal Recording In General (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82881677A | 1977-08-29 | 1977-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5437739A JPS5437739A (en) | 1979-03-20 |
| JPS641315B2 true JPS641315B2 (enrdf_load_stackoverflow) | 1989-01-11 |
Family
ID=25252817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5068778A Granted JPS5437739A (en) | 1977-08-29 | 1978-04-26 | Laser beam recording media |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5437739A (enrdf_load_stackoverflow) |
| DE (1) | DE2817945A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2402275A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1603761A (enrdf_load_stackoverflow) |
| HK (1) | HK77386A (enrdf_load_stackoverflow) |
| MY (1) | MY8500779A (enrdf_load_stackoverflow) |
| NL (1) | NL191296C (enrdf_load_stackoverflow) |
| SG (1) | SG38384G (enrdf_load_stackoverflow) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4101907A (en) * | 1977-08-29 | 1978-07-18 | Rca Corporation | Overcoat structure for optical video disc |
| JPS5522961A (en) * | 1978-08-07 | 1980-02-19 | Fuji Photo Film Co Ltd | Thermal recording material |
| US4357616A (en) * | 1979-03-26 | 1982-11-02 | Hitachi, Ltd. | Recording medium |
| JPS6023037B2 (ja) * | 1980-03-18 | 1985-06-05 | 旭化成株式会社 | 情報記録部材 |
| JPS56161199A (en) * | 1980-05-16 | 1981-12-11 | Fuji Photo Film Co Ltd | Recording of information using information recording medium |
| JPS5766544A (en) * | 1980-10-14 | 1982-04-22 | Fujitsu Ltd | Optical disk medium |
| JPS57130241A (en) | 1981-02-05 | 1982-08-12 | Toshiba Corp | Information storage medium |
| JPS62188037A (ja) * | 1986-02-13 | 1987-08-17 | Central Glass Co Ltd | 光情報記録カ−ド |
| JPS6480591A (en) * | 1987-09-24 | 1989-03-27 | Nippon Denso Co | Optical information recording medium |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3665483A (en) * | 1969-06-06 | 1972-05-23 | Chase Manhattan Capital Corp | Laser recording medium |
| US3911444A (en) * | 1974-04-04 | 1975-10-07 | Bell Telephone Labor Inc | Metal film recording media for laser writing |
| DE2522928C2 (de) * | 1974-05-25 | 1984-04-05 | Canon K.K., Tokyo | Aufzeichnungsträger, Verfahren zu dessen Herstellung und Aufzeichnungsverfahren |
| AU511031B2 (en) * | 1976-03-19 | 1980-07-24 | Rca Corp. | Ablative optical recording medium |
| US4023185A (en) * | 1976-03-19 | 1977-05-10 | Rca Corporation | Ablative optical recording medium |
| AU514899B2 (en) * | 1977-03-28 | 1981-03-05 | Rca Corp. | High density information record |
| US4101907A (en) * | 1977-08-29 | 1978-07-18 | Rca Corporation | Overcoat structure for optical video disc |
-
1978
- 1978-04-24 DE DE19782817945 patent/DE2817945A1/de active Granted
- 1978-04-25 FR FR7812121A patent/FR2402275A1/fr active Granted
- 1978-04-26 JP JP5068778A patent/JPS5437739A/ja active Granted
- 1978-04-27 GB GB1628/78A patent/GB1603761A/en not_active Expired
- 1978-04-28 NL NL7804656A patent/NL191296C/xx not_active IP Right Cessation
-
1984
- 1984-05-23 SG SG383/84A patent/SG38384G/en unknown
-
1985
- 1985-12-30 MY MY779/85A patent/MY8500779A/xx unknown
-
1986
- 1986-10-16 HK HK773/86A patent/HK77386A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2402275A1 (fr) | 1979-03-30 |
| SG38384G (en) | 1985-03-08 |
| JPS5437739A (en) | 1979-03-20 |
| FR2402275B1 (enrdf_load_stackoverflow) | 1985-03-15 |
| MY8500779A (en) | 1985-12-31 |
| NL191296B (nl) | 1994-12-01 |
| HK77386A (en) | 1986-10-24 |
| NL191296C (nl) | 1995-05-01 |
| NL7804656A (nl) | 1979-03-02 |
| DE2817945A1 (de) | 1979-03-15 |
| DE2817945C2 (enrdf_load_stackoverflow) | 1987-10-08 |
| GB1603761A (en) | 1981-11-25 |
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