JPS5217801A - Recording needle - Google Patents

Recording needle

Info

Publication number
JPS5217801A
JPS5217801A JP5880075A JP5880075A JPS5217801A JP S5217801 A JPS5217801 A JP S5217801A JP 5880075 A JP5880075 A JP 5880075A JP 5880075 A JP5880075 A JP 5880075A JP S5217801 A JPS5217801 A JP S5217801A
Authority
JP
Japan
Prior art keywords
recording needle
over
membrane
needle
recording
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
JP5880075A
Other languages
Japanese (ja)
Other versions
JPS5323683B2 (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 JP5880075A priority Critical patent/JPS5217801A/en
Publication of JPS5217801A publication Critical patent/JPS5217801A/en
Publication of JPS5323683B2 publication Critical patent/JPS5323683B2/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

Landscapes

  • Electronic Switches (AREA)

Abstract

PURPOSE:To lengthen lifetime of recording needle by providing additional coat of surface protective membrane consisted from carbonized titanium film, etc., over the conductive cohesion membrane of titanium etc., as previously formed over the surface of the tip of diamond or sapphire recording needle.
JP5880075A 1975-05-16 1975-05-16 Recording needle Granted JPS5217801A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5880075A JPS5217801A (en) 1975-05-16 1975-05-16 Recording needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5880075A JPS5217801A (en) 1975-05-16 1975-05-16 Recording needle

Publications (2)

Publication Number Publication Date
JPS5217801A true JPS5217801A (en) 1977-02-10
JPS5323683B2 JPS5323683B2 (en) 1978-07-17

Family

ID=13094653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5880075A Granted JPS5217801A (en) 1975-05-16 1975-05-16 Recording needle

Country Status (1)

Country Link
JP (1) JPS5217801A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100468823B1 (en) * 1998-02-04 2005-04-06 삼성전자주식회사 High Density Data Storage with Diamond Tips and How It Works

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100468823B1 (en) * 1998-02-04 2005-04-06 삼성전자주식회사 High Density Data Storage with Diamond Tips and How It Works

Also Published As

Publication number Publication date
JPS5323683B2 (en) 1978-07-17

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