JPS5647926A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS5647926A
JPS5647926A JP12066979A JP12066979A JPS5647926A JP S5647926 A JPS5647926 A JP S5647926A JP 12066979 A JP12066979 A JP 12066979A JP 12066979 A JP12066979 A JP 12066979A JP S5647926 A JPS5647926 A JP S5647926A
Authority
JP
Japan
Prior art keywords
film
recording medium
alloy
lubricant
corrosion resistance
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
JP12066979A
Other languages
Japanese (ja)
Inventor
Yoshio Nakagawa
Ataru Yokono
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12066979A priority Critical patent/JPS5647926A/en
Publication of JPS5647926A publication Critical patent/JPS5647926A/en
Pending legal-status Critical Current

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  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To improve wear resistance and corrosion resistance by making a metal thin-film magnetic recording medium of a protective-film Ni-P alloy plated film and a film of carbon fluoride on it.
CONSTITUTION: To form the protective film of a recording medium such as a magnetic disk and magnetic drum, ferromagnetic metal plated film (of Co-Ni-P alloy, etc.) 3 is formed as a recording layer on nonmagnetic base 1 with basic plated layer 2 of Cu-Sn alloy interposed. Next, protective film 4 of approximately 0.1μ is formed on layer 3 by Ni-P alloy plating. As a lubricant for abrasion, a carbon- fluoride lubricant such as perfluoroalkyl polyether is applied to form protective film 5. Ni-P alloy plating is accompanied by less defectives such as a pinhole and carbon fluoride lubricant film 5 has excellent wear resistance and corrosion resistance. With the above-mentioned combination, a recording medium of excellent wear resistance and corrosion resistance suitable for the contact, start and stop system can be obtained.
COPYRIGHT: (C)1981,JPO&Japio
JP12066979A 1979-09-21 1979-09-21 Magnetic recording medium Pending JPS5647926A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12066979A JPS5647926A (en) 1979-09-21 1979-09-21 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12066979A JPS5647926A (en) 1979-09-21 1979-09-21 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5647926A true JPS5647926A (en) 1981-04-30

Family

ID=14791979

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12066979A Pending JPS5647926A (en) 1979-09-21 1979-09-21 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5647926A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5888829A (en) * 1981-11-20 1983-05-27 Matsushita Electric Ind Co Ltd Magnetic recording medium and its manufacture
JPS61126627A (en) * 1984-11-26 1986-06-14 Hitachi Ltd Magnetic recording medium
JPS61208618A (en) * 1985-03-13 1986-09-17 Nec Corp Magnetic recording medium
US4759996A (en) * 1986-03-20 1988-07-26 Mitsubishi Denki Kabushiki Kaisha Magnetic recording medium
JPS63231721A (en) * 1987-03-20 1988-09-27 Fuji Electric Co Ltd Magnetic recording medium
JPH01158614A (en) * 1987-12-15 1989-06-21 Tokin Corp Continuous magnetic medium and production thereof
US5133899A (en) * 1989-10-04 1992-07-28 Mizusawa Industrial Chemicals, Ltd. Stabilizer composition for chlorine-containing polymers and process for preparation thereof
US6303227B1 (en) 1997-07-16 2001-10-16 Matsushita Electric Industrial Co., Ltd. Lubricant composition magnetic recording medium, and process for producing magnetic recording medium
US6341420B1 (en) 2000-08-02 2002-01-29 Static Control Components, Inc. Method of manufacturing a developer roller
EP1854909A3 (en) * 2006-05-12 2007-12-26 Denso Corporation Coating structure and method for forming the same

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH034967B2 (en) * 1981-11-20 1991-01-24 Matsushita Electric Ind Co Ltd
JPS5888829A (en) * 1981-11-20 1983-05-27 Matsushita Electric Ind Co Ltd Magnetic recording medium and its manufacture
JPH0533456B2 (en) * 1984-11-26 1993-05-19 Hitachi Ltd
JPS61126627A (en) * 1984-11-26 1986-06-14 Hitachi Ltd Magnetic recording medium
JPS61208618A (en) * 1985-03-13 1986-09-17 Nec Corp Magnetic recording medium
US4759996A (en) * 1986-03-20 1988-07-26 Mitsubishi Denki Kabushiki Kaisha Magnetic recording medium
JPS63231721A (en) * 1987-03-20 1988-09-27 Fuji Electric Co Ltd Magnetic recording medium
JPH0731807B2 (en) * 1987-03-20 1995-04-10 富士電機株式会社 Magnetic recording medium
JPH01158614A (en) * 1987-12-15 1989-06-21 Tokin Corp Continuous magnetic medium and production thereof
JPH0366733B2 (en) * 1987-12-15 1991-10-18 Tokin Corp
US5133899A (en) * 1989-10-04 1992-07-28 Mizusawa Industrial Chemicals, Ltd. Stabilizer composition for chlorine-containing polymers and process for preparation thereof
US6303227B1 (en) 1997-07-16 2001-10-16 Matsushita Electric Industrial Co., Ltd. Lubricant composition magnetic recording medium, and process for producing magnetic recording medium
US6341420B1 (en) 2000-08-02 2002-01-29 Static Control Components, Inc. Method of manufacturing a developer roller
EP1854909A3 (en) * 2006-05-12 2007-12-26 Denso Corporation Coating structure and method for forming the same

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