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FR2554951B1 - POLYMER SUBSTRATES FOR OPTICAL INFORMATION MEDIA, PROCESS FOR PREPARING SUCH MEDIA WITH SAID SUBSTRATES AND MEDIA - Google Patents

POLYMER SUBSTRATES FOR OPTICAL INFORMATION MEDIA, PROCESS FOR PREPARING SUCH MEDIA WITH SAID SUBSTRATES AND MEDIA

Info

Publication number
FR2554951B1
FR2554951B1 FR8415760A FR8415760A FR2554951B1 FR 2554951 B1 FR2554951 B1 FR 2554951B1 FR 8415760 A FR8415760 A FR 8415760A FR 8415760 A FR8415760 A FR 8415760A FR 2554951 B1 FR2554951 B1 FR 2554951B1
Authority
FR
France
Prior art keywords
media
substrates
preparing
optical information
polymer
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
FR8415760A
Other languages
French (fr)
Other versions
FR2554951A1 (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.)
Roehm GmbH Darmstadt
Original Assignee
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 Roehm GmbH Darmstadt filed Critical Roehm GmbH Darmstadt
Publication of FR2554951A1 publication Critical patent/FR2554951A1/en
Application granted granted Critical
Publication of FR2554951B1 publication Critical patent/FR2554951B1/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]
FR8415760A 1983-11-11 1984-10-15 POLYMER SUBSTRATES FOR OPTICAL INFORMATION MEDIA, PROCESS FOR PREPARING SUCH MEDIA WITH SAID SUBSTRATES AND MEDIA Expired FR2554951B1 (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 (2)

Publication Number Publication Date
FR2554951A1 FR2554951A1 (en) 1985-05-17
FR2554951B1 true FR2554951B1 (en) 1987-05-22

Family

ID=6214114

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8415760A Expired FR2554951B1 (en) 1983-11-11 1984-10-15 POLYMER SUBSTRATES FOR OPTICAL INFORMATION MEDIA, PROCESS FOR PREPARING SUCH MEDIA WITH SAID SUBSTRATES AND MEDIA

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) *
GB762160A (en) * 1953-12-07 1956-11-21 Monsanto Chemicals Production of terpolymers
US2851444A (en) * 1953-12-07 1958-09-09 Monsanto Chemicals Clear 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
GB2150144A (en) 1985-06-26
IT8468127A1 (en) 1986-05-09
GB8428359D0 (en) 1984-12-19
IT1179819B (en) 1987-09-16
JPS60118705A (en) 1985-06-26
IT8468127A0 (en) 1984-11-09
NL8403187A (en) 1985-06-03
DE3340875A1 (en) 1985-05-23
FR2554951A1 (en) 1985-05-17
GB2150144B (en) 1987-01-07

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Legal Events

Date Code Title Description
ST Notification of lapse