JPS5264908A - Method for demagnetizing magnetic material - Google Patents

Method for demagnetizing magnetic material

Info

Publication number
JPS5264908A
JPS5264908A JP14100275A JP14100275A JPS5264908A JP S5264908 A JPS5264908 A JP S5264908A JP 14100275 A JP14100275 A JP 14100275A JP 14100275 A JP14100275 A JP 14100275A JP S5264908 A JPS5264908 A JP S5264908A
Authority
JP
Japan
Prior art keywords
magnetic material
demagnetizing magnetic
electromagnetic
demagnerization
damagnetizing
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.)
Granted
Application number
JP14100275A
Other languages
Japanese (ja)
Other versions
JPS579127B2 (en
Inventor
Norio Higuchi
Shigeru Takamatsu
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 JP14100275A priority Critical patent/JPS5264908A/en
Publication of JPS5264908A publication Critical patent/JPS5264908A/en
Publication of JPS579127B2 publication Critical patent/JPS579127B2/ja
Granted legal-status Critical Current

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Abstract

PURPOSE: To provide a method for damagnetizing magnetic material, in which video master tape utilizing nagnetic substance of Co-dope Bertride-type oxide is subjected after electromagnetic demagnetization to another electromagnetic demagnerization under heating thereby to prevent generation of beat therein.
COPYRIGHT: (C)1977,JPO&Japio
JP14100275A 1975-11-25 1975-11-25 Method for demagnetizing magnetic material Granted JPS5264908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14100275A JPS5264908A (en) 1975-11-25 1975-11-25 Method for demagnetizing magnetic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14100275A JPS5264908A (en) 1975-11-25 1975-11-25 Method for demagnetizing magnetic material

Publications (2)

Publication Number Publication Date
JPS5264908A true JPS5264908A (en) 1977-05-28
JPS579127B2 JPS579127B2 (en) 1982-02-19

Family

ID=15281877

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14100275A Granted JPS5264908A (en) 1975-11-25 1975-11-25 Method for demagnetizing magnetic material

Country Status (1)

Country Link
JP (1) JPS5264908A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50110613A (en) * 1974-02-08 1975-08-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50110613A (en) * 1974-02-08 1975-08-30

Also Published As

Publication number Publication date
JPS579127B2 (en) 1982-02-19

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