JPS5275700A - Production of magnetic iron oxide powder including co - Google Patents

Production of magnetic iron oxide powder including co

Info

Publication number
JPS5275700A
JPS5275700A JP50151675A JP15167575A JPS5275700A JP S5275700 A JPS5275700 A JP S5275700A JP 50151675 A JP50151675 A JP 50151675A JP 15167575 A JP15167575 A JP 15167575A JP S5275700 A JPS5275700 A JP S5275700A
Authority
JP
Japan
Prior art keywords
production
magnetic iron
iron oxide
oxide powder
powder including
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
JP50151675A
Other languages
Japanese (ja)
Inventor
Hiroshi Yoshimura
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 JP50151675A priority Critical patent/JPS5275700A/en
Publication of JPS5275700A publication Critical patent/JPS5275700A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To obtain magnetic iron powder including Co, which is desirable material for magnetic recording medium, by treating the magnetized iron powder with Co (OH)2 in the reducing atmosphere and in comparativelyllow temperature.
COPYRIGHT: (C)1977,JPO&Japio
JP50151675A 1975-12-19 1975-12-19 Production of magnetic iron oxide powder including co Pending JPS5275700A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50151675A JPS5275700A (en) 1975-12-19 1975-12-19 Production of magnetic iron oxide powder including co

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50151675A JPS5275700A (en) 1975-12-19 1975-12-19 Production of magnetic iron oxide powder including co

Publications (1)

Publication Number Publication Date
JPS5275700A true JPS5275700A (en) 1977-06-24

Family

ID=15523777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50151675A Pending JPS5275700A (en) 1975-12-19 1975-12-19 Production of magnetic iron oxide powder including co

Country Status (1)

Country Link
JP (1) JPS5275700A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387912A1 (en) * 1977-04-20 1978-11-17 Hitachi Maxell MAGNETIC PARTICLES OF IRON OXIDE CONTAINING COBALT AND THEIR PREPARATION PROCESS
JPS549798A (en) * 1977-06-23 1979-01-24 Hitachi Maxell Ferromagnetic powder for magnetic recording

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387912A1 (en) * 1977-04-20 1978-11-17 Hitachi Maxell MAGNETIC PARTICLES OF IRON OXIDE CONTAINING COBALT AND THEIR PREPARATION PROCESS
JPS549798A (en) * 1977-06-23 1979-01-24 Hitachi Maxell Ferromagnetic powder for magnetic recording
JPS5853495B2 (en) * 1977-06-23 1983-11-29 日立マクセル株式会社 magnetic recording medium

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