JPS6051166B2 - 静電容量型記録媒体 - Google Patents

静電容量型記録媒体

Info

Publication number
JPS6051166B2
JPS6051166B2 JP52034107A JP3410777A JPS6051166B2 JP S6051166 B2 JPS6051166 B2 JP S6051166B2 JP 52034107 A JP52034107 A JP 52034107A JP 3410777 A JP3410777 A JP 3410777A JP S6051166 B2 JPS6051166 B2 JP S6051166B2
Authority
JP
Japan
Prior art keywords
recording medium
capacitive
change
information
carbon black
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
JP52034107A
Other languages
English (en)
Japanese (ja)
Other versions
JPS53119017A (en
Inventor
昭 西沢
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
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP52034107A priority Critical patent/JPS6051166B2/ja
Priority to DE19782812460 priority patent/DE2812460A1/de
Priority to NL7803161A priority patent/NL7803161A/xx
Publication of JPS53119017A publication Critical patent/JPS53119017A/ja
Publication of JPS6051166B2 publication Critical patent/JPS6051166B2/ja
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/06Recording 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
    • G11B9/061Record 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
    • G11B9/063Record 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
    • G11B9/068Moulding resin compositions
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/06Recording 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
    • G11B9/061Record 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
    • G11B9/062Record 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 form, e.g. comprising mechanical protection elements

Landscapes

  • Photoreceptors In Electrophotography (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Magnetic Record Carriers (AREA)
JP52034107A 1977-03-28 1977-03-28 静電容量型記録媒体 Expired JPS6051166B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP52034107A JPS6051166B2 (ja) 1977-03-28 1977-03-28 静電容量型記録媒体
DE19782812460 DE2812460A1 (de) 1977-03-28 1978-03-22 Informationssignal-aufzeichnungsmedium vom elektrostatischen kapazittaetstyp
NL7803161A NL7803161A (nl) 1977-03-28 1978-03-23 Registratiemedium van het elektrostatische capaciteitstype voor informatiesignalen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52034107A JPS6051166B2 (ja) 1977-03-28 1977-03-28 静電容量型記録媒体

Publications (2)

Publication Number Publication Date
JPS53119017A JPS53119017A (en) 1978-10-18
JPS6051166B2 true JPS6051166B2 (ja) 1985-11-12

Family

ID=12405042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52034107A Expired JPS6051166B2 (ja) 1977-03-28 1977-03-28 静電容量型記録媒体

Country Status (3)

Country Link
JP (1) JPS6051166B2 (enExample)
DE (1) DE2812460A1 (enExample)
NL (1) NL7803161A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5665342A (en) * 1979-10-29 1981-06-03 Victor Co Of Japan Ltd Electrostatic capacity type recording medium for information signal
JPS56117346A (en) * 1980-02-21 1981-09-14 Pioneer Electronic Corp Information recording medium
JPS57177047A (en) * 1981-04-22 1982-10-30 Tokuyama Sekisui Kogyo Kk Electrically conductive resin composition and video disc record
JPS60143454A (ja) * 1983-12-30 1985-07-29 Victor Co Of Japan Ltd 高密度情報信号記録媒体
JPH02189739A (ja) * 1989-01-18 1990-07-25 Hitachi Ltd 情報記録媒体およびその製造法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2997451A (en) * 1957-03-07 1961-08-22 Harry B Miller Conductive phonograph record containing thermoplastic resin and carbon black
US3842217A (en) * 1971-03-22 1974-10-15 Rca Corp Record fabrication of a capacitive type storage medium
US3842194A (en) * 1971-03-22 1974-10-15 Rca Corp Information records and recording/playback systems therefor
JPS5531530B2 (enExample) * 1973-02-28 1980-08-19
DE2502974B2 (de) * 1974-06-20 1977-11-03 Matsushita Electric Industrial Co, Ltd, Kadoma, Osaka (Japan) Abnehmertaster aus einem diamantkern und verfahren zu seiner herstellung
DE2810367C2 (de) * 1977-03-15 1984-12-20 Rca Corp., New York, N.Y. Informationsspeicherplatte

Also Published As

Publication number Publication date
DE2812460B2 (enExample) 1980-03-20
DE2812460C3 (enExample) 1990-01-04
NL7803161A (nl) 1978-10-02
DE2812460A1 (de) 1978-10-05
JPS53119017A (en) 1978-10-18

Similar Documents

Publication Publication Date Title
CA1040583A (en) Metallized video disc having a dielectric coating thereon and method of hardening the same
SU974942A3 (ru) Устройство дл воспроизведени видеосигнала
US3833408A (en) Video discs having a methyl alkyl silicone coating
US3449094A (en) Laminated electrets
JPH02777B2 (enExample)
JPS6051166B2 (ja) 静電容量型記録媒体
US4346468A (en) High density information disc
JPS6318255B2 (enExample)
US4241120A (en) Video discs and molding compositions therefor
US4340629A (en) High density information disc
US4346469A (en) High density information disc
US4342660A (en) High density information disc lubricants
JPS59188860A (ja) 静電容量値の変化検出型再生針
US4436683A (en) Method for fabricating an information signal recorded medium of the electrostatic capacity type
US4561087A (en) Conductive video disc
US4827466A (en) Information signal recording medium electrostatic capacitance type
US4575834A (en) Method of improving the signal-to-noise ratio in a capacitance electronic disc system
US4547545A (en) High density information record made of a conductive resin composition comprising a specific type of dimethylpolysiloxane
DE2818490C3 (de) Preßmasse für die Herstellung formstarrer, scheibenförmiger Informationsträger
EP0143470A3 (en) Information recording medium
JPS59171052A (ja) 高密度情報信号記録媒体
JPS62246158A (ja) 情報記録媒体
JPS61167537A (ja) 情報記録盤製造方法
JPS59171051A (ja) 高密度情報信号記録媒体
US1518443A (en) Sound record and process of making the same