JPS6318255B2 - - Google Patents

Info

Publication number
JPS6318255B2
JPS6318255B2 JP53029206A JP2920678A JPS6318255B2 JP S6318255 B2 JPS6318255 B2 JP S6318255B2 JP 53029206 A JP53029206 A JP 53029206A JP 2920678 A JP2920678 A JP 2920678A JP S6318255 B2 JPS6318255 B2 JP S6318255B2
Authority
JP
Japan
Prior art keywords
carbon black
plastic material
ratio
parts
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
JP53029206A
Other languages
English (en)
Japanese (ja)
Other versions
JPS53116104A (en
Inventor
Pii Fuotsukusu Reonaado
Datsuta Pabitora
Kumaaru Kaanna Saruwan
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.)
RCA Corp
Original Assignee
RCA Corp
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 GB10824/77A external-priority patent/GB1574595A/en
Priority claimed from US05/818,716 external-priority patent/US4151132A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of JPS53116104A publication Critical patent/JPS53116104A/ja
Publication of JPS6318255B2 publication Critical patent/JPS6318255B2/ja
Granted 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
    • 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

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)
JP2920678A 1977-03-15 1978-03-14 Video information record Granted JPS53116104A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB10824/77A GB1574595A (en) 1977-03-15 1977-03-15 Video disc
US81827977A 1977-07-25 1977-07-25
US05/818,716 US4151132A (en) 1977-07-25 1977-07-25 Molding composition

Publications (2)

Publication Number Publication Date
JPS53116104A JPS53116104A (en) 1978-10-11
JPS6318255B2 true JPS6318255B2 (en, 2012) 1988-04-18

Family

ID=27256583

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2920678A Granted JPS53116104A (en) 1977-03-15 1978-03-14 Video information record

Country Status (3)

Country Link
JP (1) JPS53116104A (en, 2012)
IT (1) IT1118212B (en, 2012)
NL (1) NL7802787A (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01171649U (en, 2012) * 1988-05-24 1989-12-05

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54135524A (en) * 1978-04-13 1979-10-20 Toshiba Corp Video disc
US4228050A (en) * 1979-01-15 1980-10-14 Rca Corporation Conductive molding composition
JPS56106430U (en, 2012) * 1980-01-14 1981-08-19
JPS5782308U (en, 2012) * 1980-11-06 1982-05-21
GB2098221B (en) * 1981-04-17 1985-02-06 Matsushita Electric Ind Co Ltd Method of producing video discs
JPS57177047A (en) * 1981-04-22 1982-10-30 Tokuyama Sekisui Kogyo Kk Electrically conductive resin composition and video disc record
JPS59129244A (ja) * 1983-01-12 1984-07-25 Matsushita Electric Ind Co Ltd 導電性ポリ塩化ビニル系組成物の製造法
JPS59171051A (ja) * 1983-03-18 1984-09-27 Victor Co Of Japan Ltd 高密度情報信号記録媒体
JPS59171052A (ja) * 1983-03-18 1984-09-27 Victor Co Of Japan Ltd 高密度情報信号記録媒体
JPS59191152A (ja) * 1983-04-14 1984-10-30 Victor Co Of Japan Ltd 高密度情報信号記録媒体
JPS59195355A (ja) * 1983-04-20 1984-11-06 Victor Co Of Japan Ltd 高密度情報信号記録媒体
JPS6015844A (ja) * 1983-07-07 1985-01-26 Victor Co Of Japan Ltd 高密度情報信号記録媒体

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531529B2 (en, 2012) * 1973-02-28 1980-08-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01171649U (en, 2012) * 1988-05-24 1989-12-05

Also Published As

Publication number Publication date
IT7820752A0 (it) 1978-02-28
JPS53116104A (en) 1978-10-11
NL7802787A (nl) 1978-09-19
IT1118212B (it) 1986-02-24

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