HK32782A - Information record - Google Patents

Information record

Info

Publication number
HK32782A
HK32782A HK327/82A HK32782A HK32782A HK 32782 A HK32782 A HK 32782A HK 327/82 A HK327/82 A HK 327/82A HK 32782 A HK32782 A HK 32782A HK 32782 A HK32782 A HK 32782A
Authority
HK
Hong Kong
Prior art keywords
information record
record
information
Prior art date
Application number
HK327/82A
Other languages
English (en)
Original Assignee
Rca Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rca Corp filed Critical Rca Corp
Publication of HK32782A publication Critical patent/HK32782A/xx

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
    • 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
    • G11B7/0045—Recording
    • G11B7/00451—Recording involving ablation of the recording layer
    • 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
    • G11B7/005—Reproducing
    • G11B7/0052—Reproducing involving reflectivity, absorption or colour changes
    • 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
    • G11B2007/24624—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 fluorescent 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
    • G11B7/242—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
    • G11B7/2531—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
    • G11B7/258—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
HK327/82A 1976-03-19 1982-07-15 Information record HK32782A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/668,495 US4097895A (en) 1976-03-19 1976-03-19 Multilayer optical record

Publications (1)

Publication Number Publication Date
HK32782A true HK32782A (en) 1982-07-23

Family

ID=24682526

Family Applications (1)

Application Number Title Priority Date Filing Date
HK327/82A HK32782A (en) 1976-03-19 1982-07-15 Information record

Country Status (8)

Country Link
US (1) US4097895A (de)
JP (4) JPS52114306A (de)
AU (1) AU509993B2 (de)
DE (2) DE2759303C2 (de)
FR (1) FR2344920A1 (de)
GB (1) GB1560245A (de)
HK (1) HK32782A (de)
NL (2) NL186836C (de)

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US4320489A (en) * 1980-03-03 1982-03-16 Rca Corporation Reversible optical storage medium and a method for recording information therein
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US4547876A (en) * 1981-08-17 1985-10-15 Rca Corporation Optical recording medium and information record and method of making same
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US4432085A (en) * 1981-10-30 1984-02-14 Rca Corporation Dual input telescope for multi-beam optical record and playback apparatus
US4408213A (en) * 1981-10-30 1983-10-04 Rca Corporation Reinforced bubble recording medium and information record
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US4423427A (en) * 1982-04-26 1983-12-27 Rca Corporation Substrate for optical recording media and information records
US4446223A (en) * 1982-06-24 1984-05-01 Eastman Kodak Company Recording and information record elements comprising oxoindolizine and oxoindolizinium dyes
US4433410A (en) * 1982-06-30 1984-02-21 Rca Corporation Protective cartridge for optical discs
US4513991A (en) * 1982-07-16 1985-04-30 Renaud Bruce J Convertible design surface, and method for forming the design
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US4516231A (en) * 1982-08-26 1985-05-07 Rca Corporation Optical disc system having momentum compensation
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US4556893A (en) * 1983-02-15 1985-12-03 Minnesota Mining And Manufacturing Company Optical recording medium of high sensitivity
JPH071556B2 (ja) * 1983-03-26 1995-01-11 パイオニア株式会社 ディスクの情報記録方法
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Also Published As

Publication number Publication date
DE2759303C2 (de) 1987-06-04
FR2344920B1 (de) 1980-10-24
DE2712013C2 (de) 1983-01-13
JPH0343692B2 (de) 1991-07-03
JPS62175944A (ja) 1987-08-01
JPH0343691B2 (de) 1991-07-03
JPS6325414B2 (de) 1988-05-25
AU509993B2 (en) 1980-06-05
NL7702971A (nl) 1977-09-21
NL186836C (nl) 1991-03-01
FR2344920A1 (fr) 1977-10-14
JPS62175943A (ja) 1987-08-01
GB1560245A (en) 1980-01-30
DE2712013A1 (de) 1977-09-22
JPS5634938B2 (de) 1981-08-13
JPS52114306A (en) 1977-09-26
NL9000906A (nl) 1990-08-01
AU2311677A (en) 1978-09-14
JPS5484702A (en) 1979-07-05
US4097895A (en) 1978-06-27

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Legal Events

Date Code Title Description
NR Patent deemed never to have been added to the register under section 13(7) of patents (transitional arrangements) rules