JPS57167133A - Production for magnetic recording medium - Google Patents

Production for magnetic recording medium

Info

Publication number
JPS57167133A
JPS57167133A JP56053521A JP5352181A JPS57167133A JP S57167133 A JPS57167133 A JP S57167133A JP 56053521 A JP56053521 A JP 56053521A JP 5352181 A JP5352181 A JP 5352181A JP S57167133 A JPS57167133 A JP S57167133A
Authority
JP
Japan
Prior art keywords
thin film
film layer
metallic thin
base material
recording medium
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
JP56053521A
Other languages
Japanese (ja)
Inventor
Tsunemi Oiwa
Osamu Kitagami
Hideaki Niimi
Kunio Wakai
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.)
Maxell Holdings Ltd
Original Assignee
Hitachi Maxell 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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP56053521A priority Critical patent/JPS57167133A/en
Publication of JPS57167133A publication Critical patent/JPS57167133A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction

Landscapes

  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE:To obtain a recording medium superior in durability, by exposing a base material to the plasma of N2 or O2 to nitride or oxidize the surface after a ferromagnetic metallic thin film layer and/or a metallic thin film layer consisting of Al or the like are formed on the base material. CONSTITUTION:A ferromagnetic metallic thin film layer and/or a metallic thin film layer consisting of one or more among Al, Ti, Cr, and Si are formed on a base material. This ferromagnetic metallic thin film layer or the metallic thin film layer on this thin film layer is exposed to the plasma of gaseous N2 or O2 to nitride or oxidize the surface of the ferromagnetic metallic thin film layer or the metallic thin film layer. For example, a base material 4 where the ferromagnetic metallic thin film layer or the like is formed is set to a substrate 3 in a vacuum tank 1 and is exposed to the plasma of gas generated by a high frequency electrode 6 to nitride or oxidize the surface.
JP56053521A 1981-04-08 1981-04-08 Production for magnetic recording medium Pending JPS57167133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56053521A JPS57167133A (en) 1981-04-08 1981-04-08 Production for magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56053521A JPS57167133A (en) 1981-04-08 1981-04-08 Production for magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS57167133A true JPS57167133A (en) 1982-10-14

Family

ID=12945121

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56053521A Pending JPS57167133A (en) 1981-04-08 1981-04-08 Production for magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57167133A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5982637A (en) * 1982-11-04 1984-05-12 Hitachi Ltd Vertical magnetic recording medium
JPS59178617A (en) * 1983-03-30 1984-10-09 Tdk Corp Manufacture of magnetic recording medium
JPS6199925A (en) * 1984-10-19 1986-05-19 Nec Corp Magnetic storage medium and its production
JPS61133031A (en) * 1984-11-30 1986-06-20 Sony Corp Production of magnetic recording medium
JPS6233336A (en) * 1985-08-06 1987-02-13 Nec Corp Production of magnetic recording medium
JPS632117A (en) * 1986-06-20 1988-01-07 Matsushita Electric Ind Co Ltd Vapor deposition type recording medium and it's production
JPS6310318A (en) * 1986-07-02 1988-01-16 Matsushita Electric Ind Co Ltd Recording medium and its production
JPH03113825A (en) * 1989-09-26 1991-05-15 Matsushita Electric Ind Co Ltd Method and device for producing magnetic recording medium
US10094015B2 (en) 2014-03-25 2018-10-09 Fuji Electric (Malaysia) Sdn, Bhd. Protective layer for a magnetic recording medium, and a method of manufacturing the same

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5982637A (en) * 1982-11-04 1984-05-12 Hitachi Ltd Vertical magnetic recording medium
JPH0416855B2 (en) * 1982-11-04 1992-03-25 Hitachi Seisakusho Kk
JPS59178617A (en) * 1983-03-30 1984-10-09 Tdk Corp Manufacture of magnetic recording medium
JPS6199925A (en) * 1984-10-19 1986-05-19 Nec Corp Magnetic storage medium and its production
JPS61133031A (en) * 1984-11-30 1986-06-20 Sony Corp Production of magnetic recording medium
JPS6233336A (en) * 1985-08-06 1987-02-13 Nec Corp Production of magnetic recording medium
JPS632117A (en) * 1986-06-20 1988-01-07 Matsushita Electric Ind Co Ltd Vapor deposition type recording medium and it's production
JPS6310318A (en) * 1986-07-02 1988-01-16 Matsushita Electric Ind Co Ltd Recording medium and its production
JPH03113825A (en) * 1989-09-26 1991-05-15 Matsushita Electric Ind Co Ltd Method and device for producing magnetic recording medium
US10094015B2 (en) 2014-03-25 2018-10-09 Fuji Electric (Malaysia) Sdn, Bhd. Protective layer for a magnetic recording medium, and a method of manufacturing the same

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