JPH0514328B2 - - Google Patents

Info

Publication number
JPH0514328B2
JPH0514328B2 JP60280762A JP28076285A JPH0514328B2 JP H0514328 B2 JPH0514328 B2 JP H0514328B2 JP 60280762 A JP60280762 A JP 60280762A JP 28076285 A JP28076285 A JP 28076285A JP H0514328 B2 JPH0514328 B2 JP H0514328B2
Authority
JP
Japan
Prior art keywords
ferrite
plate
bao
shaped
particles
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 - Fee Related
Application number
JP60280762A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62139124A (ja
Inventor
Tsutomu Katamoto
Norimichi Nagai
Norio Sugita
Masao Kyama
Toshio Takada
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.)
Seisan Kaihatsu Kagaku Kenkyusho
Toda Kogyo Corp
Original Assignee
Seisan Kaihatsu Kagaku Kenkyusho
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 Seisan Kaihatsu Kagaku Kenkyusho, Toda Kogyo Corp filed Critical Seisan Kaihatsu Kagaku Kenkyusho
Priority to JP60280762A priority Critical patent/JPS62139124A/ja
Publication of JPS62139124A publication Critical patent/JPS62139124A/ja
Publication of JPH0514328B2 publication Critical patent/JPH0514328B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
JP60280762A 1985-12-12 1985-12-12 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 Granted JPS62139124A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60280762A JPS62139124A (ja) 1985-12-12 1985-12-12 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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60280762A JPS62139124A (ja) 1985-12-12 1985-12-12 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

Publications (2)

Publication Number Publication Date
JPS62139124A JPS62139124A (ja) 1987-06-22
JPH0514328B2 true JPH0514328B2 (en:Method) 1993-02-24

Family

ID=17629598

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60280762A Granted JPS62139124A (ja) 1985-12-12 1985-12-12 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

Country Status (1)

Country Link
JP (1) JPS62139124A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5358660A (en) * 1988-01-14 1994-10-25 Showa Denko Kabushiki Kaisha Magnetic particles for perpendicular magnetic recording

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56118305A (en) * 1980-02-25 1981-09-17 Dowa Mining Co Ltd Manufacture of magnetic powder
JPS59102823A (ja) * 1982-11-30 1984-06-14 Toshiba Corp 高密度記録用磁性粉の製造方法
JPS59175707A (ja) * 1983-03-26 1984-10-04 Toda Kogyo Corp 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

Also Published As

Publication number Publication date
JPS62139124A (ja) 1987-06-22

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees