JPS5671827A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS5671827A
JPS5671827A JP14924079A JP14924079A JPS5671827A JP S5671827 A JPS5671827 A JP S5671827A JP 14924079 A JP14924079 A JP 14924079A JP 14924079 A JP14924079 A JP 14924079A JP S5671827 A JPS5671827 A JP S5671827A
Authority
JP
Japan
Prior art keywords
film
recording medium
magnetic recording
substrate
silicone oil
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
JP14924079A
Other languages
Japanese (ja)
Inventor
Atsutaka Yamaguchi
Tsunemi Oiwa
Naoto Akaha
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.)
Maxell Holdings Ltd
Original Assignee
Hitachi Maxell 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 Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP14924079A priority Critical patent/JPS5671827A/en
Publication of JPS5671827A publication Critical patent/JPS5671827A/en
Pending legal-status Critical Current

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  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To increase the durability and acidproof characteristics by forming the film of macromolecular substance including specific silicone oil, on the surface of metal magnetic thin film including Co formed on the substrate of a magnetic recording medium.
CONSTITUTION: On the substrate of polyester film, the magnetic thin film of metal including cobalt such as cobalt-iron alloy is formed. Next, in forming the film of macromolecular substance consisting of one or two types selected from vinyl chloride copolymer, polyvinyl butyral copolymer and polymethyl methacrylate on the surface, the coefficient of friction of film can be reduced by containing the modified silicone oil taking the chemical compound as the major composition by 1W20wt% in this film as expressed in equation (at least one out of R1, R2 is -R3COOR4 and the rest is methyl, R3 is alkylene of C2WC20; R4 is H, CH3; m is 0W100; n is 1W100).
COPYRIGHT: (C)1981,JPO&Japio
JP14924079A 1979-11-17 1979-11-17 Magnetic recording medium Pending JPS5671827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14924079A JPS5671827A (en) 1979-11-17 1979-11-17 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14924079A JPS5671827A (en) 1979-11-17 1979-11-17 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5671827A true JPS5671827A (en) 1981-06-15

Family

ID=15470939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14924079A Pending JPS5671827A (en) 1979-11-17 1979-11-17 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5671827A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58218043A (en) * 1982-06-14 1983-12-19 Tdk Corp Magnetic recording medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58218043A (en) * 1982-06-14 1983-12-19 Tdk Corp Magnetic recording medium

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