MY8500779A - Protective overcoat layer for optical video disc - Google Patents

Protective overcoat layer for optical video disc

Info

Publication number
MY8500779A
MY8500779A MY779/85A MY8500779A MY8500779A MY 8500779 A MY8500779 A MY 8500779A MY 779/85 A MY779/85 A MY 779/85A MY 8500779 A MY8500779 A MY 8500779A MY 8500779 A MY8500779 A MY 8500779A
Authority
MY
Malaysia
Prior art keywords
overcoat layer
video disc
protective overcoat
optical video
optical
Prior art date
Application number
MY779/85A
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 MY8500779A publication Critical patent/MY8500779A/en

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
MY779/85A 1977-08-29 1985-12-30 Protective overcoat layer for optical video disc MY8500779A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82881677A 1977-08-29 1977-08-29

Publications (1)

Publication Number Publication Date
MY8500779A true MY8500779A (en) 1985-12-31

Family

ID=25252817

Family Applications (1)

Application Number Title Priority Date Filing Date
MY779/85A MY8500779A (en) 1977-08-29 1985-12-30 Protective overcoat layer for optical video disc

Country Status (8)

Country Link
JP (1) JPS5437739A (en)
DE (1) DE2817945A1 (en)
FR (1) FR2402275A1 (en)
GB (1) GB1603761A (en)
HK (1) HK77386A (en)
MY (1) MY8500779A (en)
NL (1) NL191296C (en)
SG (1) SG38384G (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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 (en) * 1980-03-18 1985-06-05 旭化成株式会社 Information recording member
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
JPS62188037A (en) * 1986-02-13 1987-08-17 Central Glass Co Ltd Optical information recording card
JPS6480591A (en) * 1987-09-24 1989-03-27 Nippon Denso Co Optical information recording medium

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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 (en) * 1974-05-25 1984-04-05 Canon K.K., Tokyo Recording media, processes for their production and recording processes
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

Also Published As

Publication number Publication date
FR2402275A1 (en) 1979-03-30
JPS5437739A (en) 1979-03-20
SG38384G (en) 1985-03-08
GB1603761A (en) 1981-11-25
DE2817945A1 (en) 1979-03-15
NL191296B (en) 1994-12-01
JPS641315B2 (en) 1989-01-11
DE2817945C2 (en) 1987-10-08
NL191296C (en) 1995-05-01
NL7804656A (en) 1979-03-02
HK77386A (en) 1986-10-24
FR2402275B1 (en) 1985-03-15

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