JPS57172530A - Vertical magnetic recording body and its manufacture - Google Patents

Vertical magnetic recording body and its manufacture

Info

Publication number
JPS57172530A
JPS57172530A JP56055634A JP5563481A JPS57172530A JP S57172530 A JPS57172530 A JP S57172530A JP 56055634 A JP56055634 A JP 56055634A JP 5563481 A JP5563481 A JP 5563481A JP S57172530 A JPS57172530 A JP S57172530A
Authority
JP
Japan
Prior art keywords
vertical magnetic
magnetic metallic
film
running direction
manufacture
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
JP56055634A
Other languages
Japanese (ja)
Inventor
Kyuzo Nakamura
Yoshifumi Oota
Hiroki Yamada
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.)
Ulvac Inc
Original Assignee
Ulvac Inc
Nihon Shinku Gijutsu KK
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 Ulvac Inc, Nihon Shinku Gijutsu KK filed Critical Ulvac Inc
Priority to JP56055634A priority Critical patent/JPS57172530A/en
Publication of JPS57172530A publication Critical patent/JPS57172530A/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
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent

Landscapes

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

Abstract

PURPOSE:To improve the property of running and that of contact with a head by forming fine grooves in the magnetic film surface of a vertical magnetic metallic film in its running direction. CONSTITUTION:Magnetic metallic powder is stuck on a base surface by vapor deposition, ion plating, sputtering, etc., to form the magnetic film surface of a vertical magnetic metallic thin film, wherein shallow linear grooves of favorably <=0.1mum are formed in its running direction by, for example, abrasive grains, etc. Before the formation of the magnetic metallic thin film, many linear grooves having prescribed depth are formed in the base surface in its running direction and on them, the vertical magnetic metallic film may be formed in a usual method.
JP56055634A 1981-04-15 1981-04-15 Vertical magnetic recording body and its manufacture Pending JPS57172530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56055634A JPS57172530A (en) 1981-04-15 1981-04-15 Vertical magnetic recording body and its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56055634A JPS57172530A (en) 1981-04-15 1981-04-15 Vertical magnetic recording body and its manufacture

Publications (1)

Publication Number Publication Date
JPS57172530A true JPS57172530A (en) 1982-10-23

Family

ID=13004217

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56055634A Pending JPS57172530A (en) 1981-04-15 1981-04-15 Vertical magnetic recording body and its manufacture

Country Status (1)

Country Link
JP (1) JPS57172530A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6148123A (en) * 1984-08-15 1986-03-08 Sumitomo Special Metals Co Ltd Substrate for magnetic disk and its production

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55125533A (en) * 1979-03-14 1980-09-27 Basf Ag Magnetic recording carrier and method of fabricating same
JPS5644121A (en) * 1979-09-17 1981-04-23 Ulvac Corp Magnetic recording body and its manufacture

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55125533A (en) * 1979-03-14 1980-09-27 Basf Ag Magnetic recording carrier and method of fabricating same
JPS5644121A (en) * 1979-09-17 1981-04-23 Ulvac Corp Magnetic recording body and its manufacture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6148123A (en) * 1984-08-15 1986-03-08 Sumitomo Special Metals Co Ltd Substrate for magnetic disk and its production
JPH0330209B2 (en) * 1984-08-15 1991-04-26

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