JPS6437714A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS6437714A
JPS6437714A JP19415487A JP19415487A JPS6437714A JP S6437714 A JPS6437714 A JP S6437714A JP 19415487 A JP19415487 A JP 19415487A JP 19415487 A JP19415487 A JP 19415487A JP S6437714 A JPS6437714 A JP S6437714A
Authority
JP
Japan
Prior art keywords
film
diamond
substrate
recording layer
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
JP19415487A
Other languages
Japanese (ja)
Inventor
Hideo Kurokawa
Tsutomu Mitani
Masaru Odagiri
Taketoshi Yonezawa
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 JP19415487A priority Critical patent/JPS6437714A/en
Publication of JPS6437714A publication Critical patent/JPS6437714A/en
Pending legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE:To improve the reliability and durability of a magnetic recording medium suitable for high-density recording by providing a thin magnetic metallic film having microprojections on the surface onto a substrate consisting of a nonmagnetic material and forming a diamond film or diamond-like carbon film on the surface of this thin magnetic metallic film. CONSTITUTION:The diamond-like carbon film is used for the protective metallic film for the medium. For example, PVC (fine particles of SiO2) 2 having <=100Angstrom size are dispersed in the surface of the substrate 1 consisting of a plastic film and the microprojections are formed of the PVC 2 on the surface of the Co-Ni-O recording layer 3 formed on the surface of the substrate 1 by a vapor deposition method. The diamond-like carbon film is formed by a PI-CVD method on the surface of the recording layer 3. The durability is thereby assured even if the projections of the surface of the recording layer are small.
JP19415487A 1987-08-03 1987-08-03 Magnetic recording medium Pending JPS6437714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19415487A JPS6437714A (en) 1987-08-03 1987-08-03 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19415487A JPS6437714A (en) 1987-08-03 1987-08-03 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS6437714A true JPS6437714A (en) 1989-02-08

Family

ID=16319818

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19415487A Pending JPS6437714A (en) 1987-08-03 1987-08-03 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS6437714A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61210518A (en) * 1985-03-13 1986-09-18 Matsushita Electric Ind Co Ltd Magnetic recording medium

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61210518A (en) * 1985-03-13 1986-09-18 Matsushita Electric Ind Co Ltd Magnetic recording medium

Similar Documents

Publication Publication Date Title
AU562407B2 (en) X-y position detector
JPS6437714A (en) Magnetic recording medium
EP0287280A3 (en) Magnetic recording medium process for producing the same
JPS5389706A (en) Magnetic recording medium and its manufacture
JPS5755531A (en) Vertical magnetic recording medium
EP0465269A3 (en) Magneto-optical disk and manufacturing method thereof
JPS6484486A (en) Magnetic recording/reproducing device and magnetic head
JPS5736435A (en) Vertical magnetizing medium
JPS5792402A (en) Magnetic recording and reproducing method
JPS6459627A (en) Production of magnetic recording medium
JPS57113415A (en) Vertical magnetic recording medium
JPS6437713A (en) Magnetic recording medium
JPS57198535A (en) Magnetic recording medium
Yazawa et al. Thin Film Ferromagnetic Layer for Magnetic Recording Media
JPS56163522A (en) Magnetic recording medium
JPS5737718A (en) Magnetic recording medium
JPS54143114A (en) Magnetic recording medium
JPS57127923A (en) Magnetic recording medium
JPS647318A (en) Magnetic recording medium
JPS6459623A (en) Magnetic recording medium
JPS57111827A (en) Thin film magnetic head
EP0391734A3 (en) Magnetooptical recording media and initialization methods thereof
KR890007232A (en) Magnetic recording media
JPS5750324A (en) Magnetic disc substrate
JPS5718012A (en) Vertical magnetization recording magnetic head