GB2138991B - High density information record - Google Patents

High density information record

Info

Publication number
GB2138991B
GB2138991B GB08409690A GB8409690A GB2138991B GB 2138991 B GB2138991 B GB 2138991B GB 08409690 A GB08409690 A GB 08409690A GB 8409690 A GB8409690 A GB 8409690A GB 2138991 B GB2138991 B GB 2138991B
Authority
GB
United Kingdom
Prior art keywords
high density
information record
density information
record
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
GB08409690A
Other languages
English (en)
Other versions
GB2138991A (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 GB2138991A publication Critical patent/GB2138991A/en
Application granted granted Critical
Publication of GB2138991B publication Critical patent/GB2138991B/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
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
    • C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • 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)
  • Lubricants (AREA)
GB08409690A 1983-04-14 1984-04-13 High density information record Expired GB2138991B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6444083A JPS59191152A (ja) 1983-04-14 1983-04-14 高密度情報信号記録媒体

Publications (2)

Publication Number Publication Date
GB2138991A GB2138991A (en) 1984-10-31
GB2138991B true GB2138991B (en) 1986-12-10

Family

ID=13258338

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08409690A Expired GB2138991B (en) 1983-04-14 1984-04-13 High density information record

Country Status (4)

Country Link
JP (1) JPS59191152A (enrdf_load_stackoverflow)
DE (1) DE3414053A1 (enrdf_load_stackoverflow)
FR (1) FR2544533B1 (enrdf_load_stackoverflow)
GB (1) GB2138991B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61110352A (ja) * 1984-11-02 1986-05-28 Victor Co Of Japan Ltd 情報信号記録媒体
JPH0524399U (ja) * 1991-09-02 1993-03-30 コクヨ株式会社 額 縁

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1118212B (it) * 1977-03-15 1986-02-24 Rca Corp Videodisco non rivestito
DE2810367C2 (de) * 1977-03-15 1984-12-20 Rca Corp., New York, N.Y. Informationsspeicherplatte
GB1574595A (en) * 1977-03-15 1980-09-10 Rca Corp Video disc
IT1123480B (it) * 1978-08-29 1986-04-30 Rca Corp Lubrificanti per videodischi
US4241120A (en) * 1978-11-13 1980-12-23 Rca Corporation Video discs and molding compositions therefor
JPS5665342A (en) * 1979-10-29 1981-06-03 Victor Co Of Japan Ltd Electrostatic capacity type recording medium for information signal
US4355062A (en) * 1981-02-05 1982-10-19 Rca Corporation Bis(hydroxyalkyl)disiloxanes and lubricant compositions thereof
JPS57191845A (en) * 1981-05-22 1982-11-25 Toshiba Corp Resin composition for video disk

Also Published As

Publication number Publication date
DE3414053C2 (enrdf_load_stackoverflow) 1988-03-03
DE3414053A1 (de) 1984-10-25
FR2544533A1 (fr) 1984-10-19
FR2544533B1 (fr) 1988-03-25
GB2138991A (en) 1984-10-31
JPS59191152A (ja) 1984-10-30

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Legal Events

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

Effective date: 19930413