JPS5374004A - Manufacture of magnetic recording medium - Google Patents

Manufacture of magnetic recording medium

Info

Publication number
JPS5374004A
JPS5374004A JP15047176A JP15047176A JPS5374004A JP S5374004 A JPS5374004 A JP S5374004A JP 15047176 A JP15047176 A JP 15047176A JP 15047176 A JP15047176 A JP 15047176A JP S5374004 A JPS5374004 A JP S5374004A
Authority
JP
Japan
Prior art keywords
magnetic recording
manufacture
recording medium
metallic film
vaporcoated
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
JP15047176A
Other languages
Japanese (ja)
Inventor
Toshiaki Kunieda
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 JP15047176A priority Critical patent/JPS5374004A/en
Publication of JPS5374004A publication Critical patent/JPS5374004A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/04—Coating on selected surface areas, e.g. using masks
    • C23C14/042—Coating on selected surface areas, e.g. using masks using masks

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

PURPOSE:To increase the slitting efficiency for metallic film type magnetic recording tape, and also to contrive to prevent furrowing, by arranging alternately the vaporcoated portion of ferromagnetic metallic film and the non-vapor-coated portion, on the long-and wide raw substrate.
JP15047176A 1976-12-14 1976-12-14 Manufacture of magnetic recording medium Pending JPS5374004A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15047176A JPS5374004A (en) 1976-12-14 1976-12-14 Manufacture of magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15047176A JPS5374004A (en) 1976-12-14 1976-12-14 Manufacture of magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5374004A true JPS5374004A (en) 1978-07-01

Family

ID=15497625

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15047176A Pending JPS5374004A (en) 1976-12-14 1976-12-14 Manufacture of magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5374004A (en)

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