GB2150144B - Polymeric substrates for optical information carriers - Google Patents

Polymeric substrates for optical information carriers

Info

Publication number
GB2150144B
GB2150144B GB08428359A GB8428359A GB2150144B GB 2150144 B GB2150144 B GB 2150144B GB 08428359 A GB08428359 A GB 08428359A GB 8428359 A GB8428359 A GB 8428359A GB 2150144 B GB2150144 B GB 2150144B
Authority
GB
United Kingdom
Prior art keywords
optical information
information carriers
polymeric substrates
polymeric
substrates
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
GB08428359A
Other versions
GB2150144A (en
GB8428359D0 (en
Inventor
Jurgen Hennig
Ralf Liebler
Winfried Wunderlich
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.)
Rohm GmbH
Roehm GmbH Darmstadt
Original Assignee
Rohm GmbH
Roehm GmbH Darmstadt
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 Rohm GmbH, Roehm GmbH Darmstadt filed Critical Rohm GmbH
Publication of GB8428359D0 publication Critical patent/GB8428359D0/en
Publication of GB2150144A publication Critical patent/GB2150144A/en
Application granted granted Critical
Publication of GB2150144B publication Critical patent/GB2150144B/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
    • G11B7/253—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
    • 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
    • G11B7/2536—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 polystyrene [PS]
GB08428359A 1983-11-11 1984-11-09 Polymeric substrates for optical information carriers Expired GB2150144B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833340875 DE3340875A1 (en) 1983-11-11 1983-11-11 POLYMERS SUBSTRATES FOR OPTICAL INFORMATION CARRIERS

Publications (3)

Publication Number Publication Date
GB8428359D0 GB8428359D0 (en) 1984-12-19
GB2150144A GB2150144A (en) 1985-06-26
GB2150144B true GB2150144B (en) 1987-01-07

Family

ID=6214114

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08428359A Expired GB2150144B (en) 1983-11-11 1984-11-09 Polymeric substrates for optical information carriers

Country Status (6)

Country Link
JP (1) JPS60118705A (en)
DE (1) DE3340875A1 (en)
FR (1) FR2554951B1 (en)
GB (1) GB2150144B (en)
IT (1) IT1179819B (en)
NL (1) NL8403187A (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB971214A (en) *
US2851444A (en) * 1953-12-07 1958-09-09 Monsanto Chemicals Clear terpolymers
GB762156A (en) * 1953-12-07 1956-11-21 Monsanto Chemicals Production of terpolymers
NL279908A (en) * 1961-06-24
DE1905487A1 (en) * 1969-02-05 1970-08-20 Hoechst Ag Process for the production of terpolymers
DE1922942C3 (en) * 1969-05-06 1975-05-15 Th. Goldschmidt Ag, 4300 Essen Use of a linear, thermosetting copolymer for the surface treatment of wood-based panels
US3792125A (en) * 1971-12-02 1974-02-12 Uniroyal Inc Transparent heat resistant gum plastic
GB1418372A (en) * 1973-05-09 1975-12-17 Shell Int Research Bulk copolymerization process
JPS578208A (en) * 1980-06-16 1982-01-16 Kanegafuchi Chem Ind Co Ltd High-alpha-methylstyrene content copolyymer, its production and composition containing the same
JPS5868253A (en) * 1981-10-19 1983-04-23 Kanegafuchi Chem Ind Co Ltd Optical information recording carrier

Also Published As

Publication number Publication date
DE3340875A1 (en) 1985-05-23
IT8468127A0 (en) 1984-11-09
FR2554951B1 (en) 1987-05-22
GB2150144A (en) 1985-06-26
IT1179819B (en) 1987-09-16
GB8428359D0 (en) 1984-12-19
FR2554951A1 (en) 1985-05-17
JPS60118705A (en) 1985-06-26
IT8468127A1 (en) 1986-05-09
NL8403187A (en) 1985-06-03

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Legal Events

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