JPH0261124B2 - - Google Patents

Info

Publication number
JPH0261124B2
JPH0261124B2 JP58098506A JP9850683A JPH0261124B2 JP H0261124 B2 JPH0261124 B2 JP H0261124B2 JP 58098506 A JP58098506 A JP 58098506A JP 9850683 A JP9850683 A JP 9850683A JP H0261124 B2 JPH0261124 B2 JP H0261124B2
Authority
JP
Japan
Prior art keywords
particles
acicular
feooh
water
magnetic
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.)
Expired - Lifetime
Application number
JP58098506A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59222903A (ja
Inventor
Hiroo Mishima
Yoshiro Okuda
Toshiharu Harada
Akira Kosaka
Tomoyuki Imai
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.)
Toda Kogyo Corp
Original Assignee
Toda Kogyo 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 Toda Kogyo Corp filed Critical Toda Kogyo Corp
Priority to JP58098506A priority Critical patent/JPS59222903A/ja
Priority to US06/573,489 priority patent/US4514216A/en
Priority to EP84300567A priority patent/EP0124953B1/en
Priority to DE8484300567T priority patent/DE3462834D1/de
Priority to KR1019840000424A priority patent/KR840008308A/ko
Publication of JPS59222903A publication Critical patent/JPS59222903A/ja
Publication of JPH0261124B2 publication Critical patent/JPH0261124B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G11B5/70605—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys
    • G11B5/70615—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys containing Fe metal or alloys

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Paints Or Removers (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
  • Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
JP58098506A 1983-04-30 1983-05-31 磁気記録用針状晶鉄合金磁性粒子粉末及びその製造法 Granted JPS59222903A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP58098506A JPS59222903A (ja) 1983-05-31 1983-05-31 磁気記録用針状晶鉄合金磁性粒子粉末及びその製造法
US06/573,489 US4514216A (en) 1983-04-30 1984-01-24 Acicular ferromagnetic alloy particles for magnetic recording and process for producing the same
EP84300567A EP0124953B1 (en) 1983-04-30 1984-01-30 Acicular ferromagnetic alloy particles for use in magnetic recording media
DE8484300567T DE3462834D1 (en) 1983-04-30 1984-01-30 Acicular ferromagnetic alloy particles for use in magnetic recording media
KR1019840000424A KR840008308A (ko) 1983-04-30 1984-01-31 자기기록용 침상 강자성 합금입자 및 그의 제조방법(磁氣記錄用針狀强磁性合金粒子 및 그의 製造方法)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58098506A JPS59222903A (ja) 1983-05-31 1983-05-31 磁気記録用針状晶鉄合金磁性粒子粉末及びその製造法

Publications (2)

Publication Number Publication Date
JPS59222903A JPS59222903A (ja) 1984-12-14
JPH0261124B2 true JPH0261124B2 (en:Method) 1990-12-19

Family

ID=14221526

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58098506A Granted JPS59222903A (ja) 1983-04-30 1983-05-31 磁気記録用針状晶鉄合金磁性粒子粉末及びその製造法

Country Status (1)

Country Link
JP (1) JPS59222903A (en:Method)

Also Published As

Publication number Publication date
JPS59222903A (ja) 1984-12-14

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