FR2546893B1 - Disques pour enregistrement d'informations sous haute densite fabriques avec des compositions de resines conductrices comprenant des resines de chlorure de vinyle exemptes de dispersants - Google Patents

Disques pour enregistrement d'informations sous haute densite fabriques avec des compositions de resines conductrices comprenant des resines de chlorure de vinyle exemptes de dispersants

Info

Publication number
FR2546893B1
FR2546893B1 FR8408593A FR8408593A FR2546893B1 FR 2546893 B1 FR2546893 B1 FR 2546893B1 FR 8408593 A FR8408593 A FR 8408593A FR 8408593 A FR8408593 A FR 8408593A FR 2546893 B1 FR2546893 B1 FR 2546893B1
Authority
FR
France
Prior art keywords
dispersant
discs
high density
vinyl chloride
resin compositions
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
FR8408593A
Other languages
English (en)
Other versions
FR2546893A1 (fr
Inventor
Kazuhira Namikawa
Toshikazu Goshima
Toshiaki Hamaguchi
Mutsuaki Nakamura
Akio Kuroda
Akio Hata
Noriki Fujii
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
Original Assignee
Victor Company of Japan 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
Priority claimed from JP9577983A external-priority patent/JPS59223962A/ja
Priority claimed from JP12238483A external-priority patent/JPS6015845A/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of FR2546893A1 publication Critical patent/FR2546893A1/fr
Application granted granted Critical
Publication of FR2546893B1 publication Critical patent/FR2546893B1/fr
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)
FR8408593A 1983-06-01 1984-05-30 Disques pour enregistrement d'informations sous haute densite fabriques avec des compositions de resines conductrices comprenant des resines de chlorure de vinyle exemptes de dispersants Expired FR2546893B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9577983A JPS59223962A (ja) 1983-06-01 1983-06-01 高密度情報信号記録媒体
JP12238483A JPS6015845A (ja) 1983-07-07 1983-07-07 高密度情報信号記録媒体

Publications (2)

Publication Number Publication Date
FR2546893A1 FR2546893A1 (fr) 1984-12-07
FR2546893B1 true FR2546893B1 (fr) 1987-02-27

Family

ID=26436962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8408593A Expired FR2546893B1 (fr) 1983-06-01 1984-05-30 Disques pour enregistrement d'informations sous haute densite fabriques avec des compositions de resines conductrices comprenant des resines de chlorure de vinyle exemptes de dispersants

Country Status (3)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60115036A (ja) * 1983-11-26 1985-06-21 Victor Co Of Japan Ltd 静電容量型記録媒体

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 (fr) * 1980-04-18 1985-10-04 Rhone Poulenc Spec Chim Latex de polymeres magnetiques et procede de preparation

Also Published As

Publication number Publication date
GB2141132A (en) 1984-12-12
FR2546893A1 (fr) 1984-12-07
GB2141132B (en) 1987-02-18
DE3420595A1 (de) 1984-12-06
DE3420595C2 (de) 1986-05-15
GB8413764D0 (en) 1984-07-04

Similar Documents

Publication Publication Date Title
FR2510291B1 (fr) Support d'enregistrement magnetique
DE3478360D1 (en) Vertical magnetic recording medium
DE3275036D1 (en) Magnetic recording medium
FR2571533B1 (fr) Support d'enregistrement magnetique
GB2112666B (en) Magnetic recording medium
EP0077549A3 (en) Magnetic recording medium
BE878000A (fr) Support d'enregistrement magnetique securitaire
FR2547445B1 (fr) Support d'enregistrement magneto-optique
FR2503909B1 (fr) Moyen d'enregistrement magnetique
FR2517099B1 (fr) Support d'enregistrement magnetique
GB2096018B (en) Magnetic recording medium
FR2533167B1 (fr) Matiere d'enregistrement thermosensible
FR2543725B1 (fr) Support d'enregistrement magneto-optique
EP0181942A4 (fr) Dispositif d'enregistrement/reproduction magnetique.
IT8249026A0 (it) Perfezionamento nelle disposizioni per il giuntaggio di nastri, come nastri magnetici di registrazione esimili
EP0090864A4 (fr) Support d'enregistrement magnetique.
FR2613110B1 (fr) Milieu d'enregistrement magnetique
FR2546893B1 (fr) Disques pour enregistrement d'informations sous haute densite fabriques avec des compositions de resines conductrices comprenant des resines de chlorure de vinyle exemptes de dispersants
EP0098307A4 (fr) Support d'enregistrement magnetique en forme de disque.
GB8412784D0 (en) Recording information from ferroelectrical polymer material
GB2119284B (en) Magnetic recording medium
DE3173984D1 (en) Hard vinyl chloride resin composition for information signal recording media
DE3769301D1 (de) Magnetkopf mit einem elektro-chemisch inerten spalt aus hartem material.
DE3566056D1 (en) Data recording medium
EP0079391A4 (fr) Support d'enregistrement magnetique.

Legal Events

Date Code Title Description
ST Notification of lapse