JPS5616940A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS5616940A
JPS5616940A JP9197879A JP9197879A JPS5616940A JP S5616940 A JPS5616940 A JP S5616940A JP 9197879 A JP9197879 A JP 9197879A JP 9197879 A JP9197879 A JP 9197879A JP S5616940 A JPS5616940 A JP S5616940A
Authority
JP
Japan
Prior art keywords
recording medium
metal
magnetic recording
amorphous metal
thickness
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
JP9197879A
Other languages
Japanese (ja)
Inventor
Saburo Ishibashi
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Priority to JP9197879A priority Critical patent/JPS5616940A/en
Publication of JPS5616940A publication Critical patent/JPS5616940A/en
Pending legal-status Critical Current

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  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To obtain the metal thin film type magnetic recording medium excellent in corrosion resistance, wear resistance and durability, by providing nonmagnetic amorphous metal layer on the ferromagnetic substance metal layer on the base.
CONSTITUTION: The amorphous metal (about 600W950 in Vickers hardness and about 120W140μΩcm in electric resistivity) of nonmagnetism, shown in M1-X YX (where: M is Ni, Cr, Mo, Al etc., Y is Si, P,B,C and x is 0.1W0.5) is used. That is, on the base consisting of nonmagnetic material such as polyester and aluminum, the metal magnetic substance layer about 0.1W1μm in thickness such as Fe, Ni is provided and the said amorphous metal is vapordeposited (or sputtered) further on it, to form the protective film 0.01W0.1μm in thickness for the recording medium.
COPYRIGHT: (C)1981,JPO&Japio
JP9197879A 1979-07-19 1979-07-19 Magnetic recording medium Pending JPS5616940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9197879A JPS5616940A (en) 1979-07-19 1979-07-19 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9197879A JPS5616940A (en) 1979-07-19 1979-07-19 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5616940A true JPS5616940A (en) 1981-02-18

Family

ID=14041586

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9197879A Pending JPS5616940A (en) 1979-07-19 1979-07-19 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5616940A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0194518A (en) * 1987-10-06 1989-04-13 Hitachi Ltd Magnetic recording medium
US4909634A (en) * 1988-07-04 1990-03-20 Sanyo Chemical Industries, Ltd. Stirring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0194518A (en) * 1987-10-06 1989-04-13 Hitachi Ltd Magnetic recording medium
US4909634A (en) * 1988-07-04 1990-03-20 Sanyo Chemical Industries, Ltd. Stirring device

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