JPS5455000A - Manufacture of needle-like ferro-magnetic iron oxide powder for magnetic memory material - Google Patents

Manufacture of needle-like ferro-magnetic iron oxide powder for magnetic memory material

Info

Publication number
JPS5455000A
JPS5455000A JP12225177A JP12225177A JPS5455000A JP S5455000 A JPS5455000 A JP S5455000A JP 12225177 A JP12225177 A JP 12225177A JP 12225177 A JP12225177 A JP 12225177A JP S5455000 A JPS5455000 A JP S5455000A
Authority
JP
Japan
Prior art keywords
powder
needle
ferro
iron oxide
magnetic
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.)
Granted
Application number
JP12225177A
Other languages
English (en)
Other versions
JPS613294B2 (ja
Inventor
Toshio Takada
Masao Kiyama
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.)
Research Institute for Production Development
Zaidan Hojin Seisan Kaihatsu Kenkyusho
Original Assignee
Research Institute for Production Development
Zaidan Hojin Seisan Kaihatsu Kenkyusho
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 Research Institute for Production Development, Zaidan Hojin Seisan Kaihatsu Kenkyusho filed Critical Research Institute for Production Development
Priority to JP12225177A priority Critical patent/JPS5455000A/ja
Publication of JPS5455000A publication Critical patent/JPS5455000A/ja
Publication of JPS613294B2 publication Critical patent/JPS613294B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Inorganic Compounds Of Heavy Metals (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
JP12225177A 1977-10-11 1977-10-11 Manufacture of needle-like ferro-magnetic iron oxide powder for magnetic memory material Granted JPS5455000A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12225177A JPS5455000A (en) 1977-10-11 1977-10-11 Manufacture of needle-like ferro-magnetic iron oxide powder for magnetic memory material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12225177A JPS5455000A (en) 1977-10-11 1977-10-11 Manufacture of needle-like ferro-magnetic iron oxide powder for magnetic memory material

Publications (2)

Publication Number Publication Date
JPS5455000A true JPS5455000A (en) 1979-05-01
JPS613294B2 JPS613294B2 (ja) 1986-01-31

Family

ID=14831324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12225177A Granted JPS5455000A (en) 1977-10-11 1977-10-11 Manufacture of needle-like ferro-magnetic iron oxide powder for magnetic memory material

Country Status (1)

Country Link
JP (1) JPS5455000A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0411997Y2 (ja) * 1986-05-12 1992-03-24
JPS62185297U (ja) * 1986-05-19 1987-11-25

Also Published As

Publication number Publication date
JPS613294B2 (ja) 1986-01-31

Similar Documents

Publication Publication Date Title
JPS5638402A (en) High density sintered magnetic body and its manufacture
JPS55154322A (en) Manufacture of iron oxide
JPS5455000A (en) Manufacture of needle-like ferro-magnetic iron oxide powder for magnetic memory material
JPS56109827A (en) Manufacture of iron compound particle for magnetic recording medium
JPS56127710A (en) Production of acicular magnetic metal particle
JPS5247702A (en) Process for producing a recording medium of magnetic iron oxide
JPS56114833A (en) Production of fine particle of iron compound for magnetic recording
JPS54124297A (en) Ferromagnetic powder
JPS56257A (en) Amorphous alloy
JPS5678430A (en) Production of iron compound particle for magnetic recording
JPS55133505A (en) Manufacture of needle ferromagnetic metal particle powder for magnetic memory material
JPS57124404A (en) Manufacture of magnetic iron oxide powder
JPS5635705A (en) Production of magnetic alloy powder
JPS5623201A (en) Production of needle crystal fe-zn alloy magnetic particle powder
JPS5597407A (en) Preparation of needle crystal metallic iron magnetic particulate powder
JPS5275700A (en) Production of magnetic iron oxide powder including co
JPS57106527A (en) Manufacture of needlelike fine particle of iron oxyhydroxide
JPS5626730A (en) Manufacture of needle crystal magnetic iron oxide particle powder
SU989593A1 (ru) Ферритовый материал
JPS5763605A (en) Manufacture of metallic magnetic powder
JPS5620105A (en) Production of acicular crystal metal iron magnetic particle powder
JPS5433256A (en) Treating method of magnetic powder
JPS55128508A (en) Manufacture of alloy magnetic powder
JPS6452002A (en) Acicular magnetized metal fine powder having excellent dispersion and its production
JPS5583207A (en) Preparation of ferromagnetic powder