JPS5319809A - Production of magnetic recording medium - Google Patents

Production of magnetic recording medium

Info

Publication number
JPS5319809A
JPS5319809A JP9424876A JP9424876A JPS5319809A JP S5319809 A JPS5319809 A JP S5319809A JP 9424876 A JP9424876 A JP 9424876A JP 9424876 A JP9424876 A JP 9424876A JP S5319809 A JPS5319809 A JP S5319809A
Authority
JP
Japan
Prior art keywords
production
recording medium
magnetic recording
magnetic substance
substance layer
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
JP9424876A
Other languages
Japanese (ja)
Inventor
Koichi Shinohara
Yasuo Iijima
Takashi Fujita
Masaru Odagiri
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 JP9424876A priority Critical patent/JPS5319809A/en
Publication of JPS5319809A publication Critical patent/JPS5319809A/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
    • C23C14/02—Pretreatment of the material to be coated
    • C23C14/024—Deposition of sublayers, e.g. to promote adhesion of the coating
    • 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
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
    • C23C14/562—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks for coating elongated substrates

Landscapes

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

Abstract

PURPOSE:Recording density is improved by forming the next magnetic substance layer in the state where the magnetic substance layer is magnetized.
JP9424876A 1976-08-06 1976-08-06 Production of magnetic recording medium Pending JPS5319809A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9424876A JPS5319809A (en) 1976-08-06 1976-08-06 Production of magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9424876A JPS5319809A (en) 1976-08-06 1976-08-06 Production of magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5319809A true JPS5319809A (en) 1978-02-23

Family

ID=14104991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9424876A Pending JPS5319809A (en) 1976-08-06 1976-08-06 Production of magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5319809A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS558618A (en) * 1978-06-29 1980-01-22 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS59142738A (en) * 1983-02-02 1984-08-16 Nec Corp Magnetic recording medium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS558618A (en) * 1978-06-29 1980-01-22 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS5836411B2 (en) * 1978-06-29 1983-08-09 松下電器産業株式会社 magnetic recording medium
JPS59142738A (en) * 1983-02-02 1984-08-16 Nec Corp Magnetic recording medium
JPH0566647B2 (en) * 1983-02-02 1993-09-22 Nippon Electric Co

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