JPS59207605A - 磁気記録用粉末の製造方法 - Google Patents

磁気記録用粉末の製造方法

Info

Publication number
JPS59207605A
JPS59207605A JP58080763A JP8076383A JPS59207605A JP S59207605 A JPS59207605 A JP S59207605A JP 58080763 A JP58080763 A JP 58080763A JP 8076383 A JP8076383 A JP 8076383A JP S59207605 A JPS59207605 A JP S59207605A
Authority
JP
Japan
Prior art keywords
powder
approximately
magnetic recording
washed
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.)
Granted
Application number
JP58080763A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0531281B2 (mo
Inventor
Tadakuni Sato
忠邦 佐藤
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.)
Tokin Corp
Original Assignee
Tohoku Metal Industries 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 Tohoku Metal Industries Ltd filed Critical Tohoku Metal Industries Ltd
Priority to JP58080763A priority Critical patent/JPS59207605A/ja
Publication of JPS59207605A publication Critical patent/JPS59207605A/ja
Publication of JPH0531281B2 publication Critical patent/JPH0531281B2/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
    • G11B5/70626—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 containing non-metallic substances
    • G11B5/70642—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 containing non-metallic substances iron oxides
    • G11B5/70678—Ferrites

Landscapes

  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP58080763A 1983-05-11 1983-05-11 磁気記録用粉末の製造方法 Granted JPS59207605A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58080763A JPS59207605A (ja) 1983-05-11 1983-05-11 磁気記録用粉末の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58080763A JPS59207605A (ja) 1983-05-11 1983-05-11 磁気記録用粉末の製造方法

Publications (2)

Publication Number Publication Date
JPS59207605A true JPS59207605A (ja) 1984-11-24
JPH0531281B2 JPH0531281B2 (mo) 1993-05-12

Family

ID=13727457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58080763A Granted JPS59207605A (ja) 1983-05-11 1983-05-11 磁気記録用粉末の製造方法

Country Status (1)

Country Link
JP (1) JPS59207605A (mo)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56149328A (en) * 1980-04-21 1981-11-19 Toshiba Corp Manufacture of magnetic oxide material
JPS5842203A (ja) * 1981-09-07 1983-03-11 Toshiba Corp 高密度磁気記録用磁性粉の製造方法
JPS5856302A (ja) * 1981-09-30 1983-04-04 Toshiba Corp 高密度磁気記録用磁性粉の製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56149328A (en) * 1980-04-21 1981-11-19 Toshiba Corp Manufacture of magnetic oxide material
JPS5842203A (ja) * 1981-09-07 1983-03-11 Toshiba Corp 高密度磁気記録用磁性粉の製造方法
JPS5856302A (ja) * 1981-09-30 1983-04-04 Toshiba Corp 高密度磁気記録用磁性粉の製造方法

Also Published As

Publication number Publication date
JPH0531281B2 (mo) 1993-05-12

Similar Documents

Publication Publication Date Title
JPH0134935B2 (mo)
JPS6242337B2 (mo)
JPS59207605A (ja) 磁気記録用粉末の製造方法
US4059664A (en) Method of manufacturing ferrimagnetic material for recording, read out and erase heads utilized in magnetic layer devices
JPS60255628A (ja) 磁気記録用板状Ｂａフエライト微粒子粉末及びその製造法
US3081264A (en) Method of preparing a magnetic recorder powder
JPH0433756B2 (mo)
JP4469995B2 (ja) 低保磁力フェライト磁性粉ならびに磁性塗料および磁気シート
JP2001093716A (ja) 磁気記録媒体用粉末及びその製造方法
JP2001123207A (ja) 磁気記録用Ｆｅ及びＣｏを主成分とする紡錘状合金磁性粒子粉末の製造法
JPS6132407A (ja) 光磁気記録材料の製造方法
JPH06333725A (ja) 高密度フェライト
JPS61117804A (ja) Ｍｎ−Ｚｎ系ソフトフエライト及びその製造方法
JPH03116802A (ja) 磁性材料及びその製造方法
JPS59207604A (ja) 磁気記録用粉末の製造方法
JPH03194905A (ja) 磁気記録用金属磁性粉末の製造方法
US3021283A (en) Ferromagnetic materials with low coefficient of temperature of the initial magnetic permeability
JPS61216306A (ja) 金属磁性粉末およびその製造方法
Lagrange et al. Preparation and properties of hot-pressed Ni-Zn ferrites for magnetic head application
KR20240156869A (ko) 페라이트 전구체를 이용한 m-형 육방정 페라이트의 제조방법 및 이로부터 제조된 m-형 육방정 페라이트를 포함하는 영구 자석
JPH0244098A (ja) 多結晶Ｍｎ−Ｚｎフェライト及びそれを用いた磁気ヘッド
JP3052669B2 (ja) 高い飽和磁化を有する低キュリー点磁気記録粉末
JPS6217365B2 (mo)
JPH0459263B2 (mo)
JPS60260463A (ja) 高密度酸化物焼結体の製造方法