JPS51148699A - Process for production of co-containing needle-shaped iron oxide magne tic powder - Google Patents

Process for production of co-containing needle-shaped iron oxide magne tic powder

Info

Publication number
JPS51148699A
JPS51148699A JP50072915A JP7291575A JPS51148699A JP S51148699 A JPS51148699 A JP S51148699A JP 50072915 A JP50072915 A JP 50072915A JP 7291575 A JP7291575 A JP 7291575A JP S51148699 A JPS51148699 A JP S51148699A
Authority
JP
Japan
Prior art keywords
iron oxide
production
shaped iron
tic powder
containing needle
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
JP50072915A
Other languages
Japanese (ja)
Inventor
Tokio Nakamura
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP50072915A priority Critical patent/JPS51148699A/en
Publication of JPS51148699A publication Critical patent/JPS51148699A/en
Pending legal-status Critical Current

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  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)

Abstract

PURPOSE: To obtain Co-containing needle-saped iron oxide magnetic powder of improved coercive force.
COPYRIGHT: (C)1976,JPO&Japio
JP50072915A 1975-06-16 1975-06-16 Process for production of co-containing needle-shaped iron oxide magne tic powder Pending JPS51148699A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50072915A JPS51148699A (en) 1975-06-16 1975-06-16 Process for production of co-containing needle-shaped iron oxide magne tic powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50072915A JPS51148699A (en) 1975-06-16 1975-06-16 Process for production of co-containing needle-shaped iron oxide magne tic powder

Publications (1)

Publication Number Publication Date
JPS51148699A true JPS51148699A (en) 1976-12-21

Family

ID=13503112

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50072915A Pending JPS51148699A (en) 1975-06-16 1975-06-16 Process for production of co-containing needle-shaped iron oxide magne tic powder

Country Status (1)

Country Link
JP (1) JPS51148699A (en)

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