GB2138992B - High density information record made of a resin composition comprising specifically treated carbon black - Google Patents

High density information record made of a resin composition comprising specifically treated carbon black

Info

Publication number
GB2138992B
GB2138992B GB08409691A GB8409691A GB2138992B GB 2138992 B GB2138992 B GB 2138992B GB 08409691 A GB08409691 A GB 08409691A GB 8409691 A GB8409691 A GB 8409691A GB 2138992 B GB2138992 B GB 2138992B
Authority
GB
United Kingdom
Prior art keywords
resin composition
carbon black
high density
information record
density 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.)
Expired
Application number
GB08409691A
Other languages
English (en)
Other versions
GB2138992A (en
Inventor
Toshiaki Hamaguchi
Kazuhira Namikawa
Toshikazu Goshima
Mutsuaki Nakamura
Akio Kuroda
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
Application filed by Victor Company of Japan Ltd, Nippon Victor KK filed Critical Victor Company of Japan Ltd
Publication of GB2138992A publication Critical patent/GB2138992A/en
Application granted granted Critical
Publication of GB2138992B publication Critical patent/GB2138992B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Lubricants (AREA)
GB08409691A 1983-04-14 1984-04-13 High density information record made of a resin composition comprising specifically treated carbon black Expired GB2138992B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6444183A JPS59191153A (ja) 1983-04-14 1983-04-14 高密度情報信号記録媒体

Publications (2)

Publication Number Publication Date
GB2138992A GB2138992A (en) 1984-10-31
GB2138992B true GB2138992B (en) 1986-12-03

Family

ID=13258364

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08409691A Expired GB2138992B (en) 1983-04-14 1984-04-13 High density information record made of a resin composition comprising specifically treated carbon black

Country Status (4)

Country Link
JP (1) JPS59191153A (ja)
DE (1) DE3414055A1 (ja)
FR (1) FR2544534B1 (ja)
GB (1) GB2138992B (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS608335A (ja) * 1983-06-28 1985-01-17 Lion Akzo Kk 導電性樹脂組成物
JPS6168747A (ja) * 1984-09-12 1986-04-09 Victor Co Of Japan Ltd 高密度情報信号記録媒体
CN113748024B (zh) 2019-04-26 2023-09-29 富士胶片株式会社 喷墨记录用油墨组合物、油墨组及图像记录方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4299736A (en) * 1980-05-19 1981-11-10 Rca Corporation Conductive molding composition and discs therefrom
US4378310A (en) * 1980-07-28 1983-03-29 Rca Corporation Conductive molding composition
US4472336A (en) * 1981-04-17 1984-09-18 Matsushita Electric Industrial Co., Ltd. Method of manufacturing video disc
JPS57200954A (en) * 1981-06-02 1982-12-09 Toshiba Corp Capacity conversion type information recording medium

Also Published As

Publication number Publication date
GB2138992A (en) 1984-10-31
FR2544534B1 (fr) 1987-10-23
JPH0124413B2 (ja) 1989-05-11
DE3414055C2 (ja) 1987-08-13
JPS59191153A (ja) 1984-10-30
DE3414055A1 (de) 1984-10-25
FR2544534A1 (fr) 1984-10-19

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Legal Events

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

Effective date: 19930413