JPS5339706A - Protective film for magnetic recording medium - Google Patents

Protective film for magnetic recording medium

Info

Publication number
JPS5339706A
JPS5339706A JP11454076A JP11454076A JPS5339706A JP S5339706 A JPS5339706 A JP S5339706A JP 11454076 A JP11454076 A JP 11454076A JP 11454076 A JP11454076 A JP 11454076A JP S5339706 A JPS5339706 A JP S5339706A
Authority
JP
Japan
Prior art keywords
protective film
recording medium
magnetic recording
providing
contact
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.)
Pending
Application number
JP11454076A
Other languages
Japanese (ja)
Inventor
Kazuo Kobayashi
Takeo Hinobayashi
Koichi Makino
Wakatake Matsuda
Seiji Hattori
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.)
Fujitsu Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Fujitsu Ltd
Nippon Telegraph and Telephone 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
Application filed by Fujitsu Ltd, Nippon Telegraph and Telephone Corp filed Critical Fujitsu Ltd
Priority to JP11454076A priority Critical patent/JPS5339706A/en
Publication of JPS5339706A publication Critical patent/JPS5339706A/en
Pending legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To prevent pressure demagnetization of contact-start-stop system magnetic disc and reduce causes for head crush by providing a specific protective film on a ferrite thin film with high coercive force.
COPYRIGHT: (C)1978,JPO&Japio
JP11454076A 1976-09-24 1976-09-24 Protective film for magnetic recording medium Pending JPS5339706A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11454076A JPS5339706A (en) 1976-09-24 1976-09-24 Protective film for magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11454076A JPS5339706A (en) 1976-09-24 1976-09-24 Protective film for magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5339706A true JPS5339706A (en) 1978-04-11

Family

ID=14640308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11454076A Pending JPS5339706A (en) 1976-09-24 1976-09-24 Protective film for magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5339706A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157832A (en) * 1983-02-28 1984-09-07 Konishiroku Photo Ind Co Ltd Magnetic recording medium

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115967A (en) * 1974-07-30 1976-02-07 Sharp Kk Denjishudanno seigyokairo

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115967A (en) * 1974-07-30 1976-02-07 Sharp Kk Denjishudanno seigyokairo

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157832A (en) * 1983-02-28 1984-09-07 Konishiroku Photo Ind Co Ltd Magnetic recording medium

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