GB2026346B - Recording material and proces for the preparation thereof - Google Patents

Recording material and proces for the preparation thereof

Info

Publication number
GB2026346B
GB2026346B GB7923263A GB7923263A GB2026346B GB 2026346 B GB2026346 B GB 2026346B GB 7923263 A GB7923263 A GB 7923263A GB 7923263 A GB7923263 A GB 7923263A GB 2026346 B GB2026346 B GB 2026346B
Authority
GB
United Kingdom
Prior art keywords
proces
preparation
recording material
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.)
Expired
Application number
GB7923263A
Other versions
GB2026346A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB2026346A publication Critical patent/GB2026346A/en
Application granted granted Critical
Publication of GB2026346B publication Critical patent/GB2026346B/en
Expired legal-status Critical Current

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
    • G11B7/2572—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 organic materials
    • G11B7/2575—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 organic materials 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
    • G11B7/242—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
    • G11B7/243—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 inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
    • 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
    • G11B7/243—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 inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • 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
GB7923263A 1978-07-14 1979-07-04 Recording material and proces for the preparation thereof Expired GB2026346B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8589178A JPS5514504A (en) 1978-07-14 1978-07-14 Recording component

Publications (2)

Publication Number Publication Date
GB2026346A GB2026346A (en) 1980-02-06
GB2026346B true GB2026346B (en) 1982-09-29

Family

ID=13871506

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7923263A Expired GB2026346B (en) 1978-07-14 1979-07-04 Recording material and proces for the preparation thereof

Country Status (6)

Country Link
JP (1) JPS5514504A (en)
CA (1) CA1136274A (en)
DE (1) DE2928429A1 (en)
FR (1) FR2431144A1 (en)
GB (1) GB2026346B (en)
NL (1) NL7905426A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538655A (en) * 1978-09-08 1980-03-18 Sumitomo Chem Co Ltd Optical signal recording and reproducing member
FR2435779A1 (en) * 1978-09-08 1980-04-04 Matsushita Electric Ind Co Ltd Optical recording part for laser recording and read=out system - has heat-insulating film between plastics substrate and recording layer to increase speed
US4285056A (en) * 1979-10-17 1981-08-18 Rca Corporation Replicable optical recording medium
US4300227A (en) * 1979-10-17 1981-11-10 Rca Corporation Replicable optical recording medium
DE3019574A1 (en) * 1980-05-22 1981-11-26 Ibm Deutschland Gmbh, 7000 Stuttgart METHOD FOR PRODUCING A MECHANICALLY STABLE TEMPERATURE-RESISTANT LACQUER FOR RECORD CARRIER, AND LACQUER PRODUCED BY THIS METHOD
FR2490858B1 (en) * 1980-09-25 1986-04-04 Rca Corp OPTICAL RECORDING MEDIUM WITH VARIABLE SENSITIVITY AND DISC CONTAINING INFORMATION, MADE BY USING SUCH MEDIUM
JPS57102930A (en) * 1980-12-19 1982-06-26 Nippon Telegr & Teleph Corp <Ntt> Surface finish of acryl resin substrate
JPS57183030A (en) * 1981-05-07 1982-11-11 Toshiba Corp Manufacture of semiconductor device
NL8300960A (en) * 1983-03-17 1984-10-16 Philips Nv OPTICAL REGISTRATION DISC.
JPS59217243A (en) * 1983-05-24 1984-12-07 Fuji Photo Film Co Ltd Information recording medium
NL8302686A (en) * 1983-07-28 1983-11-01 Gen Electric INFORMATION CARRIER FOR OPTICALLY READABLE INFORMATION.
US4600682A (en) * 1984-07-06 1986-07-15 Storage Technology Corporation Optical storage structure
CA1261212A (en) * 1985-11-25 1989-09-26 Laura A. Lewin Method for forming optically smooth polymeric layers
EP0751006B1 (en) 1995-06-27 2000-01-19 Agfa-Gevaert N.V. New method for the formation of a heat mode image
EP0758103B1 (en) 1995-08-08 2001-12-12 Agfa-Gevaert N.V. Process of forming a metal image
EP0762214A1 (en) 1995-09-05 1997-03-12 Agfa-Gevaert N.V. Photosensitive element comprising an image forming layer and a photopolymerisable layer
EP0846571B1 (en) 1996-12-04 2001-04-11 Agfa-Gevaert N.V. Method for the formation of an improved heat mode image

Also Published As

Publication number Publication date
CA1136274A (en) 1982-11-23
DE2928429A1 (en) 1980-01-24
NL7905426A (en) 1980-01-16
JPS5514504A (en) 1980-02-01
JPS6333210B2 (en) 1988-07-04
FR2431144B1 (en) 1982-08-20
FR2431144A1 (en) 1980-02-08
GB2026346A (en) 1980-02-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950704