JPS5274329A - Production of stylus for video disc apparatus - Google Patents

Production of stylus for video disc apparatus

Info

Publication number
JPS5274329A
JPS5274329A JP50151434A JP15143475A JPS5274329A JP S5274329 A JPS5274329 A JP S5274329A JP 50151434 A JP50151434 A JP 50151434A JP 15143475 A JP15143475 A JP 15143475A JP S5274329 A JPS5274329 A JP S5274329A
Authority
JP
Japan
Prior art keywords
stylus
production
disc apparatus
video disc
film
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.)
Granted
Application number
JP50151434A
Other languages
Japanese (ja)
Other versions
JPS5627934B2 (en
Inventor
Fumio Hosomi
Kiyotaka Wasa
Shigeru Hayakawa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP50151434A priority Critical patent/JPS5274329A/en
Publication of JPS5274329A publication Critical patent/JPS5274329A/en
Publication of JPS5627934B2 publication Critical patent/JPS5627934B2/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
    • G11B9/07—Heads for reproducing capacitive information
    • G11B9/075—Heads for reproducing capacitive information using mechanical contact with record carrier, e.g. by stylus

Abstract

PURPOSE:To prolong the service life of the stylus by forming a thin film of a specific metal on the end surface part of a diamond stylus, heat-treating said film at a specific temperature range, then caronizing said film in a carbonizing gas thereby obtaining conductive electrode.
JP50151434A 1975-12-17 1975-12-17 Production of stylus for video disc apparatus Granted JPS5274329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50151434A JPS5274329A (en) 1975-12-17 1975-12-17 Production of stylus for video disc apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50151434A JPS5274329A (en) 1975-12-17 1975-12-17 Production of stylus for video disc apparatus

Publications (2)

Publication Number Publication Date
JPS5274329A true JPS5274329A (en) 1977-06-22
JPS5627934B2 JPS5627934B2 (en) 1981-06-27

Family

ID=15518519

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50151434A Granted JPS5274329A (en) 1975-12-17 1975-12-17 Production of stylus for video disc apparatus

Country Status (1)

Country Link
JP (1) JPS5274329A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5637838A (en) * 1979-09-05 1981-04-11 Sanyo Electric Co Ltd Structutre and manufacture of reproducing stylus
FR2479633A1 (en) * 1980-03-28 1981-10-02 Rca Corp READING POINT FOR DISC CONTAINING INFORMATION, ESPECIALLY VIDEO

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5637838A (en) * 1979-09-05 1981-04-11 Sanyo Electric Co Ltd Structutre and manufacture of reproducing stylus
FR2479633A1 (en) * 1980-03-28 1981-10-02 Rca Corp READING POINT FOR DISC CONTAINING INFORMATION, ESPECIALLY VIDEO

Also Published As

Publication number Publication date
JPS5627934B2 (en) 1981-06-27

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