JPS5683837A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS5683837A
JPS5683837A JP15950979A JP15950979A JPS5683837A JP S5683837 A JPS5683837 A JP S5683837A JP 15950979 A JP15950979 A JP 15950979A JP 15950979 A JP15950979 A JP 15950979A JP S5683837 A JPS5683837 A JP S5683837A
Authority
JP
Japan
Prior art keywords
recording medium
thin film
substance
magnetic layer
magnetic recording
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
JP15950979A
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 JP15950979A priority Critical patent/JPS5683837A/en
Publication of JPS5683837A publication Critical patent/JPS5683837A/en
Pending legal-status Critical Current

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  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To reduce recording defect and output fluctuation of the magnetic recording medium as much as possible, by providing a region, where the ferromagnetic metal thin film magnetic layer is not stuck in a prescribed pattern, in the film substance end part to form the magnetic layer into stripes in a prescribed pattern.
CONSTITUTION: In case that ferromagentic metal thin film magnetic layer 3 is formed on nonmagnetic film substance 2 to produce a magnetic recording medium, square slit-form nonsticking regions 41, 41,... 45, 45,... of width (b) are formed at equal interval (c) throughout the range of length (a) from end faces near breadtthwise both end parts of substance 2 so that they may be parallel with the breadth direction of substance 2. As the result, magnetic layer 3 is formed into stripes in a prescribed pattern near both end parts. Thus, internal stress accumulated in the thin film when the thin film of the magnetic recording medium is stuck is reduced, and curl and cupping are reduced to reduce recording defect and output fluctuation considerably.
COPYRIGHT: (C)1981,JPO&Japio
JP15950979A 1979-12-08 1979-12-08 Magnetic recording medium Pending JPS5683837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15950979A JPS5683837A (en) 1979-12-08 1979-12-08 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15950979A JPS5683837A (en) 1979-12-08 1979-12-08 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5683837A true JPS5683837A (en) 1981-07-08

Family

ID=15695322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15950979A Pending JPS5683837A (en) 1979-12-08 1979-12-08 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5683837A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01208726A (en) * 1988-02-16 1989-08-22 Kyodo Printing Co Ltd Magnetic recording medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01208726A (en) * 1988-02-16 1989-08-22 Kyodo Printing Co Ltd Magnetic recording medium

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