GB8413764D0 - High density information records - Google Patents

High density information records

Info

Publication number
GB8413764D0
GB8413764D0 GB848413764A GB8413764A GB8413764D0 GB 8413764 D0 GB8413764 D0 GB 8413764D0 GB 848413764 A GB848413764 A GB 848413764A GB 8413764 A GB8413764 A GB 8413764A GB 8413764 D0 GB8413764 D0 GB 8413764D0
Authority
GB
United Kingdom
Prior art keywords
high density
density information
information records
records
information
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.)
Granted
Application number
GB848413764A
Other versions
GB2141132A (en
GB2141132B (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.)
Victor Company of Japan Ltd
Nippon Victor KK
Original Assignee
Victor Company of Japan Ltd
Nippon Victor KK
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
Priority claimed from JP9577983A external-priority patent/JPS59223962A/en
Priority claimed from JP12238483A external-priority patent/JPS6015845A/en
Application filed by Victor Company of Japan Ltd, Nippon Victor KK filed Critical Victor Company of Japan Ltd
Publication of GB8413764D0 publication Critical patent/GB8413764D0/en
Publication of GB2141132A publication Critical patent/GB2141132A/en
Application granted granted Critical
Publication of GB2141132B publication Critical patent/GB2141132B/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
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/06—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor
    • G11B9/061—Record carriers characterised by their structure or form or by the selection of the material; Apparatus or processes specially adapted for the manufacture of record carriers
    • G11B9/063—Record carriers characterised by their structure or form or by the selection of the material; Apparatus or processes specially adapted for the manufacture of record carriers characterised by the selection of the material
    • G11B9/068—Moulding resin compositions
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/24—Treatment of polymer suspensions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymerisation Methods In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB08413764A 1983-06-01 1984-05-30 High density information records made of conductive resin compositions comprising vinyl chloride resins free of dispersants Expired GB2141132B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9577983A JPS59223962A (en) 1983-06-01 1983-06-01 Highly dense information signal recording medium
JP12238483A JPS6015845A (en) 1983-07-07 1983-07-07 Recording medium for high density information signal

Publications (3)

Publication Number Publication Date
GB8413764D0 true GB8413764D0 (en) 1984-07-04
GB2141132A GB2141132A (en) 1984-12-12
GB2141132B GB2141132B (en) 1987-02-18

Family

ID=26436962

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08413764A Expired GB2141132B (en) 1983-06-01 1984-05-30 High density information records made of conductive resin compositions comprising vinyl chloride resins free of dispersants

Country Status (3)

Country Link
DE (1) DE3420595C2 (en)
FR (1) FR2546893B1 (en)
GB (1) GB2141132B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60115036A (en) * 1983-11-26 1985-06-21 Victor Co Of Japan Ltd Electrostatic capacity type recording medium

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642475A (en) * 1967-10-02 1972-02-15 Agfa Gevaert Nv Method of recording and reproducing information
FR2480764B1 (en) * 1980-04-18 1985-10-04 Rhone Poulenc Spec Chim LATEX OF MAGNETIC POLYMERS AND PREPARATION METHOD

Also Published As

Publication number Publication date
DE3420595C2 (en) 1986-05-15
FR2546893B1 (en) 1987-02-27
FR2546893A1 (en) 1984-12-07
GB2141132A (en) 1984-12-12
GB2141132B (en) 1987-02-18
DE3420595A1 (en) 1984-12-06

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Legal Events

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

Effective date: 19930530