JPS6413219A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS6413219A
JPS6413219A JP16943987A JP16943987A JPS6413219A JP S6413219 A JPS6413219 A JP S6413219A JP 16943987 A JP16943987 A JP 16943987A JP 16943987 A JP16943987 A JP 16943987A JP S6413219 A JPS6413219 A JP S6413219A
Authority
JP
Japan
Prior art keywords
film
magnetic
carbonaceous
recording medium
obtd
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
JP16943987A
Other languages
Japanese (ja)
Inventor
Michihide Ozawa
Masami Yamashita
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.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo 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 Denki Kagaku Kogyo KK filed Critical Denki Kagaku Kogyo KK
Priority to JP16943987A priority Critical patent/JPS6413219A/en
Publication of JPS6413219A publication Critical patent/JPS6413219A/en
Pending legal-status Critical Current

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  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE:To lower a noise level and to greatly improve reproduced output and C/N by laminating plural stages of laminates consisting of carbonaceous films and magnetic films on a substrate, thereby forming a magnetic recording medium. CONSTITUTION:The carbonaceous film 3 which consists of carbon and is obtd. by sputtering of the carbon or by a plasma polymn. method is formed on the surface of the substrate 1 or the surface of a hard film 2. The magnetic film 4A consisting of Co, platinum alloy, Co-Ni-Cr alloy, etc., is then provided by a sputtering method or vacuum deposition method on the carbonaceous film 3. Plural stages of the carbonaceous films 5 and the magnetic films 6 are laminated on the carbonaceous film 3 and the magnetic film 4 to form the magnetic recording medium. A protective film 7 consisting of the carbonaceous film obtd. by the plasma polymn. method or the film obtd. by sputtering the carbon is formed on the uppermost magnetic film. The magnetic recording medium which has the low noise level and is greatly enhanced in the reproduced output and C/N is thereby obtd.
JP16943987A 1987-07-07 1987-07-07 Magnetic recording medium Pending JPS6413219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16943987A JPS6413219A (en) 1987-07-07 1987-07-07 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16943987A JPS6413219A (en) 1987-07-07 1987-07-07 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS6413219A true JPS6413219A (en) 1989-01-18

Family

ID=15886623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16943987A Pending JPS6413219A (en) 1987-07-07 1987-07-07 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS6413219A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002157730A (en) * 2000-09-11 2002-05-31 Univ Waseda Magnetic recording medium, its manufacturing method and magnetic recording/reproducing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002157730A (en) * 2000-09-11 2002-05-31 Univ Waseda Magnetic recording medium, its manufacturing method and magnetic recording/reproducing device

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