GB2005155A - Improved optical recording medium - Google Patents
Improved optical recording mediumInfo
- Publication number
- GB2005155A GB2005155A GB7833398A GB7833398A GB2005155A GB 2005155 A GB2005155 A GB 2005155A GB 7833398 A GB7833398 A GB 7833398A GB 7833398 A GB7833398 A GB 7833398A GB 2005155 A GB2005155 A GB 2005155A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layer
- light
- substrate
- recording medium
- optical 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.)
- Withdrawn
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
-
- 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
-
- 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
- G11B7/242—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
- G11B7/253—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
- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83742077A | 1977-09-28 | 1977-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB2005155A true GB2005155A (en) | 1979-04-19 |
Family
ID=25274397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7833398A Withdrawn GB2005155A (en) | 1977-09-28 | 1978-08-15 | Improved optical recording medium |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5454634A (xx) |
CA (1) | CA1135413A (xx) |
DE (1) | DE2837601A1 (xx) |
FR (1) | FR2404887A1 (xx) |
GB (1) | GB2005155A (xx) |
IT (1) | IT1099139B (xx) |
NL (1) | NL7808820A (xx) |
PL (1) | PL114262B1 (xx) |
SU (1) | SU820675A3 (xx) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0019329A1 (en) * | 1979-05-18 | 1980-11-26 | Koninklijke Philips Electronics N.V. | Information recording element |
EP0084729A1 (en) * | 1981-12-22 | 1983-08-03 | Fujitsu Limited | Recording elements |
GB2156090A (en) * | 1984-03-06 | 1985-10-02 | Ricoh Kk | Optical information recording medium |
US4547444A (en) * | 1983-12-23 | 1985-10-15 | Minnesota Mining And Manufacturing Company | Recording element for optical data storage |
US4551413A (en) * | 1982-12-31 | 1985-11-05 | Minnesota Mining And Manufacturing Company | Recording element for optical data storage |
US4553153A (en) * | 1983-10-21 | 1985-11-12 | Eastman Kodak Company | Planarizing layer for semiconductor substrates such as solid state imagers |
US4619890A (en) * | 1985-08-19 | 1986-10-28 | Eastman Kodak Company | Optical recording element having a polymerized crosslinked homopolymer smoothing layer |
US4675227A (en) * | 1978-05-24 | 1987-06-23 | U.S. Philips Corporation | Information recording element |
EP1017045A1 (en) * | 1997-04-08 | 2000-07-05 | Sony Corporation | Optical recording medium |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7809159A (nl) * | 1977-09-29 | 1979-04-02 | Philips Nv | Informatieregistratie element met kleurstof bevattende hulplaag. |
US4189735A (en) * | 1978-02-24 | 1980-02-19 | Rca Corporation | Record playback apparatus and information record therefor |
DE2935859A1 (de) * | 1978-09-08 | 1980-03-20 | Matsushita Electric Ind Co Ltd | Optisches aufzeichnungsteil |
JPS5538655A (en) * | 1978-09-08 | 1980-03-18 | Sumitomo Chem Co Ltd | Optical signal recording and reproducing member |
US4373004A (en) * | 1979-08-14 | 1983-02-08 | Nippon Telegraph & Telephone Public Corporation | Laser beam-recording media and method for manufacturing the same |
US4275100A (en) * | 1980-01-04 | 1981-06-23 | Rca Corporation | Video disc processing |
JPS57141033A (en) * | 1981-02-23 | 1982-09-01 | Asahi Chem Ind Co Ltd | Information recording materials |
EP0130026B1 (en) * | 1983-06-27 | 1990-05-02 | Optical Disc Corporation | High contrast thin film optical recording medium |
US4618514A (en) * | 1985-12-20 | 1986-10-21 | Rca Corporation | Alignment layer for liquid crystal display |
Family Cites Families (6)
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 |
JPS5932319B2 (ja) * | 1974-03-22 | 1984-08-08 | 富士写真フイルム株式会社 | 記録材料 |
US3911444A (en) * | 1974-04-04 | 1975-10-07 | Bell Telephone Labor Inc | Metal film recording media for laser writing |
JPS5114263A (en) * | 1974-07-26 | 1976-02-04 | Hitachi Ltd | Setsugono roeiboshiho |
JPS5118555A (en) * | 1974-08-07 | 1976-02-14 | Ricoh Kk | Karaatonaa oyobi sonoseizoho |
AU511031B2 (en) * | 1976-03-19 | 1980-07-24 | Rca Corp. | Ablative optical recording medium |
-
1978
- 1978-08-15 GB GB7833398A patent/GB2005155A/en not_active Withdrawn
- 1978-08-24 JP JP10378078A patent/JPS5454634A/ja active Pending
- 1978-08-24 FR FR7824535A patent/FR2404887A1/fr active Pending
- 1978-08-25 NL NL7808820A patent/NL7808820A/xx not_active Application Discontinuation
- 1978-08-29 DE DE19782837601 patent/DE2837601A1/de not_active Withdrawn
- 1978-09-15 CA CA000311433A patent/CA1135413A/en not_active Expired
- 1978-09-22 IT IT27996/78A patent/IT1099139B/it active
- 1978-09-25 SU SU782669351A patent/SU820675A3/ru active
- 1978-09-28 PL PL1978209912A patent/PL114262B1/pl unknown
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4675227A (en) * | 1978-05-24 | 1987-06-23 | U.S. Philips Corporation | Information recording element |
EP0019329A1 (en) * | 1979-05-18 | 1980-11-26 | Koninklijke Philips Electronics N.V. | Information recording element |
EP0084729A1 (en) * | 1981-12-22 | 1983-08-03 | Fujitsu Limited | Recording elements |
US4551413A (en) * | 1982-12-31 | 1985-11-05 | Minnesota Mining And Manufacturing Company | Recording element for optical data storage |
US4553153A (en) * | 1983-10-21 | 1985-11-12 | Eastman Kodak Company | Planarizing layer for semiconductor substrates such as solid state imagers |
US4547444A (en) * | 1983-12-23 | 1985-10-15 | Minnesota Mining And Manufacturing Company | Recording element for optical data storage |
GB2156090A (en) * | 1984-03-06 | 1985-10-02 | Ricoh Kk | Optical information recording medium |
US4619890A (en) * | 1985-08-19 | 1986-10-28 | Eastman Kodak Company | Optical recording element having a polymerized crosslinked homopolymer smoothing layer |
EP1017045A1 (en) * | 1997-04-08 | 2000-07-05 | Sony Corporation | Optical recording medium |
EP1017045A4 (en) * | 1997-04-08 | 2000-07-19 | Sony Corp | OPTICAL RECORDING MEDIUM |
US6319581B1 (en) | 1997-04-08 | 2001-11-20 | Sony Corporation | Optical recording medium |
Also Published As
Publication number | Publication date |
---|---|
PL209912A1 (pl) | 1979-07-02 |
JPS5454634A (en) | 1979-05-01 |
PL114262B1 (en) | 1981-01-31 |
CA1135413A (en) | 1982-11-09 |
IT1099139B (it) | 1985-09-18 |
IT7827996A0 (it) | 1978-09-22 |
NL7808820A (nl) | 1979-03-30 |
FR2404887A1 (fr) | 1979-04-27 |
DE2837601A1 (de) | 1979-04-05 |
SU820675A3 (ru) | 1981-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |