JPS62176918A - 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 - Google Patents

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

Info

Publication number
JPS62176918A
JPS62176918A JP61018834A JP1883486A JPS62176918A JP S62176918 A JPS62176918 A JP S62176918A JP 61018834 A JP61018834 A JP 61018834A JP 1883486 A JP1883486 A JP 1883486A JP S62176918 A JPS62176918 A JP S62176918A
Authority
JP
Japan
Prior art keywords
particles
ferrite
plate
shaped
zinc
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
JP61018834A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0372014B2 (enrdf_load_stackoverflow
Inventor
Norimichi Nagai
規道 永井
Akihiko Hirayama
平山　彰彦
Norio Sugita
杉田　典夫
Masao Kiyama
木山　雅雄
Toshio Takada
高田　利夫
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.)
Research Institute for Production Development
Toda Kogyo Corp
Original Assignee
Research Institute for Production Development
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 Research Institute for Production Development, Toda Kogyo Corp filed Critical Research Institute for Production Development
Priority to JP61018834A priority Critical patent/JPS62176918A/ja
Priority to DE8787300779T priority patent/DE3773008D1/de
Priority to DE8787300780T priority patent/DE3773403D1/de
Priority to EP87300780A priority patent/EP0232132B1/en
Priority to EP87300779A priority patent/EP0232131B1/en
Priority to US07/008,466 priority patent/US4806429A/en
Priority to US07/008,439 priority patent/US4851292A/en
Priority to KR870000795A priority patent/KR870007539A/ko
Priority to KR870000794A priority patent/KR870007538A/ko
Publication of JPS62176918A publication Critical patent/JPS62176918A/ja
Publication of JPH0372014B2 publication Critical patent/JPH0372014B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
JP61018834A 1986-01-29 1986-01-29 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 JPS62176918A (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP61018834A JPS62176918A (ja) 1986-01-29 1986-01-29 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
DE8787300779T DE3773008D1 (de) 1986-01-29 1987-01-29 Plaettchenfoermige bariumferritteilchen fuer magnetische aufzeichnung und verfahren zu ihrer herstellung.
DE8787300780T DE3773403D1 (de) 1986-01-29 1987-01-29 Plaettchenfoermige bariumferritteilchen fuer magnetische aufzeichnung und verfahren zu ihrer herstellung.
EP87300780A EP0232132B1 (en) 1986-01-29 1987-01-29 Plate-like barium ferrite particles suitable for use in magnetic recording and process for producing the same
EP87300779A EP0232131B1 (en) 1986-01-29 1987-01-29 Plate-like barium ferrite particles suitable for use in magnetic recording and process for producing the same
US07/008,466 US4806429A (en) 1986-01-29 1987-01-29 Plate-like barium ferrite particles suitable for use in magnetic recording and process for producing the same
US07/008,439 US4851292A (en) 1986-01-29 1987-01-29 Plate-like barium ferrite particles suitable for use in magnetic recording and process for producing the same
KR870000795A KR870007539A (ko) 1986-01-29 1987-01-30 자기 기록용 판상 바륨 페라이트 입자 및 그의 제조방법
KR870000794A KR870007538A (ko) 1986-01-29 1987-01-30 자기 기록용 판상 바륨 페라이트 입자 및 그의 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61018834A JPS62176918A (ja) 1986-01-29 1986-01-29 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
JPS62176918A true JPS62176918A (ja) 1987-08-03
JPH0372014B2 JPH0372014B2 (enrdf_load_stackoverflow) 1991-11-15

Family

ID=11982592

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61018834A Granted JPS62176918A (ja) 1986-01-29 1986-01-29 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) JPS62176918A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62265121A (ja) * 1986-05-09 1987-11-18 Toda Kogyo Corp 板状Ｂａフエライト微粒子粉末及びその製造法
JPH01123403A (ja) * 1987-11-06 1989-05-16 Toda Kogyo Corp 磁気記録用板状マグネトプランバイト型フェライト微粒子粉末

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62265121A (ja) * 1986-05-09 1987-11-18 Toda Kogyo Corp 板状Ｂａフエライト微粒子粉末及びその製造法
JPH01123403A (ja) * 1987-11-06 1989-05-16 Toda Kogyo Corp 磁気記録用板状マグネトプランバイト型フェライト微粒子粉末

Also Published As

Publication number Publication date
JPH0372014B2 (enrdf_load_stackoverflow) 1991-11-15

Similar Documents

Publication Publication Date Title
JPH0212004B2 (enrdf_load_stackoverflow)
EP0150580A1 (en) Production of barium ferrite particles
US4806429A (en) Plate-like barium ferrite particles suitable for use in magnetic recording and process for producing the same
JPS62216922A (ja) 磁気記録媒体用六万晶フエライト微粉末及びその製造法
US4781981A (en) Plate-like magnetoplumbite ferrite particles for magnetic recording and process for producing the same
EP0394586B1 (en) Plate-like composite ferrite fine particles for magnetic recording and a process for producing the same
JPS62176918A (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
KR960002626B1 (ko) 판상 바륨페라이트 미분말의 제조방법
JPS6369717A (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
JPH0524869B2 (enrdf_load_stackoverflow)
JP3011787B2 (ja) 針状六方晶系フェライト磁性粉及びその製造方法
JP2889354B2 (ja) 針状バリウムフェライト磁性粉及びその製造法
JPH0614486B2 (ja) 磁気記録用板状複合フェライト微粒子粉末及びその製造法
JPH06104575B2 (ja) 板状Ｂａフエライト微粒子粉末の製造法
JPH0524868B2 (enrdf_load_stackoverflow)
JP3135988B2 (ja) 垂直磁気異方性を有する針状六方晶系フェライト磁性粉及びその製造法
JPS63156303A (ja) 磁気記録用板状マグネトプランバイト型フェライト微粒子粉末の製造法
JP2796189B2 (ja) 針状バリウムフェライト磁性粉の製造法
JPS61295236A (ja) 微粒子状マグネトプランバイト型フエライトの製造法
JPH04149031A (ja) 針状バリウムフェライト磁性粉の製法
JPH0656431A (ja) 垂直磁気異方性を有する針状六方晶系フェライト磁性粉及びその製造法
JPH04362020A (ja) フェライト磁性粉及びその製造方法
JPH0581531B2 (enrdf_load_stackoverflow)
JPS6144719A (ja) 磁気記録用板状Ｂａフエライト微粒子粉末の製造法
JPS60112625A (ja) バリウムフェライト粉末の製法

Legal Events

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