CA1103069A - Methode de preparation de poudres magnetiques - Google Patents

Methode de preparation de poudres magnetiques

Info

Publication number
CA1103069A
CA1103069A CA306,504A CA306504A CA1103069A CA 1103069 A CA1103069 A CA 1103069A CA 306504 A CA306504 A CA 306504A CA 1103069 A CA1103069 A CA 1103069A
Authority
CA
Canada
Prior art keywords
cobalt
iron oxide
magnetic
mol
aqueous solution
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
Application number
CA306,504A
Other languages
English (en)
Inventor
Hideo Tamura
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
Priority claimed from JP7964577A external-priority patent/JPS5413997A/ja
Priority claimed from JP53067490A external-priority patent/JPS6034805B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1103069A publication Critical patent/CA1103069A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Hard Magnetic Materials (AREA)
CA306,504A 1977-07-04 1978-06-29 Methode de preparation de poudres magnetiques Expired CA1103069A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP7964577A JPS5413997A (en) 1977-07-04 1977-07-04 Magnetic recording medium and its manufacture
JP79645/77 1977-07-04
JP67490/78 1978-06-05
JP53067490A JPS6034805B2 (ja) 1978-06-05 1978-06-05 磁性酸化鉄粉末の製法

Publications (1)

Publication Number Publication Date
CA1103069A true CA1103069A (fr) 1981-06-16

Family

ID=26408711

Family Applications (1)

Application Number Title Priority Date Filing Date
CA306,504A Expired CA1103069A (fr) 1977-07-04 1978-06-29 Methode de preparation de poudres magnetiques

Country Status (1)

Country Link
CA (1) CA1103069A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5650131A (en) * 1993-11-01 1997-07-22 Minnesota Mining And Manufacturing Company Process for making goethite
CN113436824A (zh) * 2021-07-07 2021-09-24 上海圣石生物医学科技有限公司 磁性吸波材料、其制备方法、其应用及保健产品

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5650131A (en) * 1993-11-01 1997-07-22 Minnesota Mining And Manufacturing Company Process for making goethite
CN113436824A (zh) * 2021-07-07 2021-09-24 上海圣石生物医学科技有限公司 磁性吸波材料、其制备方法、其应用及保健产品

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Legal Events

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