JPH0524868B2 - - Google Patents

Info

Publication number
JPH0524868B2
JPH0524868B2 JP61107457A JP10745786A JPH0524868B2 JP H0524868 B2 JPH0524868 B2 JP H0524868B2 JP 61107457 A JP61107457 A JP 61107457A JP 10745786 A JP10745786 A JP 10745786A JP H0524868 B2 JPH0524868 B2 JP H0524868B2
Authority
JP
Japan
Prior art keywords
plate
shaped
ferrite
surface area
specific surface
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
JP61107457A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62265121A (ja
Inventor
Norimichi Nagai
Akihiko Hirayama
Norio Sugita
Katsunori Fujimoto
Yasutaka Oota
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 JP61107457A priority Critical patent/JPS62265121A/ja
Priority to EP87300779A priority patent/EP0232131B1/en
Priority to US07/008,439 priority patent/US4851292A/en
Priority to EP87300780A priority patent/EP0232132B1/en
Priority to DE8787300780T priority patent/DE3773403D1/de
Priority to DE8787300779T priority patent/DE3773008D1/de
Priority to US07/008,466 priority patent/US4806429A/en
Priority to KR870000794A priority patent/KR870007538A/ko
Priority to KR870000795A priority patent/KR870007539A/ko
Publication of JPS62265121A publication Critical patent/JPS62265121A/ja
Publication of JPH0524868B2 publication Critical patent/JPH0524868B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
JP61107457A 1986-01-29 1986-05-09 板状Ｂａフエライト微粒子粉末及びその製造法 Granted JPS62265121A (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP61107457A JPS62265121A (ja) 1986-05-09 1986-05-09 板状Ｂａフエライト微粒子粉末及びその製造法
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
US07/008,439 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
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
DE8787300780T DE3773403D1 (de) 1986-01-29 1987-01-29 Plaettchenfoermige bariumferritteilchen fuer magnetische aufzeichnung und verfahren zu ihrer herstellung.
DE8787300779T DE3773008D1 (de) 1986-01-29 1987-01-29 Plaettchenfoermige bariumferritteilchen fuer magnetische aufzeichnung und verfahren zu ihrer herstellung.
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
KR870000794A KR870007538A (ko) 1986-01-29 1987-01-30 자기 기록용 판상 바륨 페라이트 입자 및 그의 제조방법
KR870000795A KR870007539A (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
JP61107457A JPS62265121A (ja) 1986-05-09 1986-05-09 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
JPS62265121A JPS62265121A (ja) 1987-11-18
JPH0524868B2 true JPH0524868B2 (enEXAMPLES) 1993-04-09

Family

ID=14459654

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61107457A Granted JPS62265121A (ja) 1986-01-29 1986-05-09 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) JPS62265121A (enEXAMPLES)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2791562B2 (ja) * 1988-10-24 1998-08-27 戸田工業株式会社 Ｂａ及びＦｅを主成分として含む板状酸化物微粒子粉末及びその製造法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62176918A (ja) * 1986-01-29 1987-08-03 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
JPS62265121A (ja) 1987-11-18

Similar Documents

Publication Publication Date Title
JPH0212004B2 (enEXAMPLES)
KR900000429B1 (ko) 자기 기록용 판상 아철산 바륨입자와 그 제조방법
US4851292A (en) Plate-like barium ferrite particles suitable for use in magnetic recording and process for producing the same
KR900000428B1 (ko) 자기기록용 판상 바륨페라이트 입자의 제조방법
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
JPH0524868B2 (enEXAMPLES)
JP2607920B2 (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
EP0349287B1 (en) Plate-like composite ferrite fine particles suitable for use in magnetic recording and process for producing the same
JPS62176921A (ja) 板状Ｂａフエライト微粒子粉末の製造法
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
JP2806619B2 (ja) 針状バリウムフェライト磁性粉の製法
JPH0372014B2 (enEXAMPLES)
JPS63139018A (ja) 板状Ｂａフエライト微粒子粉末の製造法
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
JPS6090829A (ja) バリウムフエライトの処理法
JPH02296733A (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
JP2796189B2 (ja) 針状バリウムフェライト磁性粉の製造法
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
JPH0524869B2 (enEXAMPLES)
JPH0471014B2 (enEXAMPLES)
JPH0645461B2 (ja) 磁気記録用板状Ｂａフエライト微粒子粉末の製造法
JPH0514329B2 (enEXAMPLES)
JPH0377641B2 (enEXAMPLES)