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JPS5384196A - Manufacturing method of magnetic iron oxide - Google Patents

Manufacturing method of magnetic iron oxide

Info

Publication number
JPS5384196A
JPS5384196A JP15923076A JP15923076A JPS5384196A JP S5384196 A JPS5384196 A JP S5384196A JP 15923076 A JP15923076 A JP 15923076A JP 15923076 A JP15923076 A JP 15923076A JP S5384196 A JPS5384196 A JP S5384196A
Authority
JP
Japan
Prior art keywords
iron oxide
manufacturing
magnetic iron
oxide
silicon
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
JP15923076A
Other languages
Japanese (ja)
Inventor
Hiroshi Soma
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP15923076A priority Critical patent/JPS5384196A/en
Publication of JPS5384196A publication Critical patent/JPS5384196A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To prevent loss of needle property, and to improve the recording density of a magnetic disc or others, by making dehydration, transformation and ϒ-iron oxide, after immersion treatment of yellow iron hydro-oxide in water solutin of silicon compound or silicon dispersed liquid.
COPYRIGHT: (C)1978,JPO&Japio
JP15923076A 1976-12-30 1976-12-30 Manufacturing method of magnetic iron oxide Pending JPS5384196A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15923076A JPS5384196A (en) 1976-12-30 1976-12-30 Manufacturing method of magnetic iron oxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15923076A JPS5384196A (en) 1976-12-30 1976-12-30 Manufacturing method of magnetic iron oxide

Publications (1)

Publication Number Publication Date
JPS5384196A true JPS5384196A (en) 1978-07-25

Family

ID=15689173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15923076A Pending JPS5384196A (en) 1976-12-30 1976-12-30 Manufacturing method of magnetic iron oxide

Country Status (1)

Country Link
JP (1) JPS5384196A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105271434A (en) * 2015-11-16 2016-01-27 南通宝聚颜料有限公司 Method for preparing regular-octahedron ferric oxide black pigment through ferric yellow mother liquor water extracts
CN110026195A (en) * 2019-05-05 2019-07-19 河北师范大学 A kind of high activity α-Fe2O3Nanometer sheet and its preparation method and application

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105271434A (en) * 2015-11-16 2016-01-27 南通宝聚颜料有限公司 Method for preparing regular-octahedron ferric oxide black pigment through ferric yellow mother liquor water extracts
CN110026195A (en) * 2019-05-05 2019-07-19 河北师范大学 A kind of high activity α-Fe2O3Nanometer sheet and its preparation method and application
CN110026195B (en) * 2019-05-05 2021-09-03 河北师范大学 High-activity alpha-Fe2O3Nanosheet and preparation method and application thereof

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