JPS5433257A - Production of ferromagnetic powder - Google Patents

Production of ferromagnetic powder

Info

Publication number
JPS5433257A
JPS5433257A JP9918077A JP9918077A JPS5433257A JP S5433257 A JPS5433257 A JP S5433257A JP 9918077 A JP9918077 A JP 9918077A JP 9918077 A JP9918077 A JP 9918077A JP S5433257 A JPS5433257 A JP S5433257A
Authority
JP
Japan
Prior art keywords
production
ferromagnetic powder
applying
iron oxide
cause
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.)
Pending
Application number
JP9918077A
Other languages
Japanese (ja)
Inventor
Mikio Kishimoto
Akira Matsumoto
Toshinobu Sueyoshi
Kunio Wakai
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.)
Maxell Holdings Ltd
Original Assignee
Hitachi Maxell 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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP9918077A priority Critical patent/JPS5433257A/en
Publication of JPS5433257A publication Critical patent/JPS5433257A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To provide high coercive force which does not cause any change with time by dispersing iron oxide magnetic powder containing cobalt in a liquid form medium, applying a magnetic field thereto and heat treating the same at a temperature below 200°C.
COPYRIGHT: (C)1979,JPO&Japio
JP9918077A 1977-08-18 1977-08-18 Production of ferromagnetic powder Pending JPS5433257A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9918077A JPS5433257A (en) 1977-08-18 1977-08-18 Production of ferromagnetic powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9918077A JPS5433257A (en) 1977-08-18 1977-08-18 Production of ferromagnetic powder

Publications (1)

Publication Number Publication Date
JPS5433257A true JPS5433257A (en) 1979-03-10

Family

ID=14240446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9918077A Pending JPS5433257A (en) 1977-08-18 1977-08-18 Production of ferromagnetic powder

Country Status (1)

Country Link
JP (1) JPS5433257A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03226600A (en) * 1990-01-31 1991-10-07 Kawasaki Steel Corp Electrolytic treatment of surface of metallic material and equipment therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03226600A (en) * 1990-01-31 1991-10-07 Kawasaki Steel Corp Electrolytic treatment of surface of metallic material and equipment therefor

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