JPS57189340A - Manufacture of magnetic recording medium - Google Patents

Manufacture of magnetic recording medium

Info

Publication number
JPS57189340A
JPS57189340A JP7555881A JP7555881A JPS57189340A JP S57189340 A JPS57189340 A JP S57189340A JP 7555881 A JP7555881 A JP 7555881A JP 7555881 A JP7555881 A JP 7555881A JP S57189340 A JPS57189340 A JP S57189340A
Authority
JP
Japan
Prior art keywords
protective layer
thin film
ion
evaporation
metallic thin
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
JP7555881A
Other languages
Japanese (ja)
Other versions
JPH0120490B2 (en
Inventor
Masahiro Hotta
Yoshiyuki Fukumoto
Yoji Kono
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.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical 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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP7555881A priority Critical patent/JPS57189340A/en
Publication of JPS57189340A publication Critical patent/JPS57189340A/en
Publication of JPH0120490B2 publication Critical patent/JPH0120490B2/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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/85—Coating a support with a magnetic layer by vapour deposition

Landscapes

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

Abstract

PURPOSE:To obtain a magnetic recording medium which is excellent in wear resistance and corrosion resistance, and also is satisfactory in its magnetic characteristic, by constituting it so that an ion of a specific element having specific kinetic energy is made incident onto a ferromagnetic metallic thin film together with neutral evaporation corpuscles for forming a protective layer. CONSTITUTION:A vapor-deposited tape 8 which has provided a ferro-magnetic metallic thin film of cobalt, etc. on a base material such as a polyester film, etc. is shifted to a take-up roll 10 from a feed roll in a vacuum chamber 1, and also an ion source 5, an evaporation source 3 and an acceleration electrode 6 are operated. Subsequently, on the ferromagnetic metallic thin film, a protective layer is formed by making an ion of an element incident, which is selected from B, C, Al, Si, P, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Ag, Mo, Au or Sm, generated from the ion source 5 together with neutral evaporation corpuscles being a material for forming the protective layer, and accelerated so as to have kinetic energy of 10eV-15keV by the acceleration electrode 6.
JP7555881A 1981-05-18 1981-05-18 Manufacture of magnetic recording medium Granted JPS57189340A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7555881A JPS57189340A (en) 1981-05-18 1981-05-18 Manufacture of magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7555881A JPS57189340A (en) 1981-05-18 1981-05-18 Manufacture of magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS57189340A true JPS57189340A (en) 1982-11-20
JPH0120490B2 JPH0120490B2 (en) 1989-04-17

Family

ID=13579623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7555881A Granted JPS57189340A (en) 1981-05-18 1981-05-18 Manufacture of magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57189340A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59207031A (en) * 1983-05-10 1984-11-24 Hitachi Condenser Co Ltd Manufacturing device of magnetic recording medium
JPS60202523A (en) * 1984-03-27 1985-10-14 Mitsubishi Chem Ind Ltd Magnetic recording medium
JPS61133030A (en) * 1984-11-30 1986-06-20 Sony Corp Production of magnetic recording medium
JPH0196822A (en) * 1987-10-09 1989-04-14 Mitsubishi Electric Corp Magnetic recording medium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59207031A (en) * 1983-05-10 1984-11-24 Hitachi Condenser Co Ltd Manufacturing device of magnetic recording medium
JPS60202523A (en) * 1984-03-27 1985-10-14 Mitsubishi Chem Ind Ltd Magnetic recording medium
JPS61133030A (en) * 1984-11-30 1986-06-20 Sony Corp Production of magnetic recording medium
JPH0196822A (en) * 1987-10-09 1989-04-14 Mitsubishi Electric Corp Magnetic recording medium

Also Published As

Publication number Publication date
JPH0120490B2 (en) 1989-04-17

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