JPS534895A - Manufacture of needle-shaped magnetic iron particles - Google Patents

Manufacture of needle-shaped magnetic iron particles

Info

Publication number
JPS534895A
JPS534895A JP6969476A JP6969476A JPS534895A JP S534895 A JPS534895 A JP S534895A JP 6969476 A JP6969476 A JP 6969476A JP 6969476 A JP6969476 A JP 6969476A JP S534895 A JPS534895 A JP S534895A
Authority
JP
Japan
Prior art keywords
needle
shaped magnetic
magnetic iron
manufacture
iron particles
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
JP6969476A
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 JP6969476A priority Critical patent/JPS534895A/en
Publication of JPS534895A publication Critical patent/JPS534895A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To form needle-shaped magnetic iron particles of high coercive force for the use of recording.
COPYRIGHT: (C)1978,JPO&Japio
JP6969476A 1976-06-16 1976-06-16 Manufacture of needle-shaped magnetic iron particles Pending JPS534895A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6969476A JPS534895A (en) 1976-06-16 1976-06-16 Manufacture of needle-shaped magnetic iron particles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6969476A JPS534895A (en) 1976-06-16 1976-06-16 Manufacture of needle-shaped magnetic iron particles

Publications (1)

Publication Number Publication Date
JPS534895A true JPS534895A (en) 1978-01-17

Family

ID=13410223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6969476A Pending JPS534895A (en) 1976-06-16 1976-06-16 Manufacture of needle-shaped magnetic iron particles

Country Status (1)

Country Link
JP (1) JPS534895A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5763605A (en) * 1980-10-01 1982-04-17 Kanto Denka Kogyo Kk Manufacture of metallic magnetic powder

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4879153A (en) * 1971-12-30 1973-10-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4879153A (en) * 1971-12-30 1973-10-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5763605A (en) * 1980-10-01 1982-04-17 Kanto Denka Kogyo Kk Manufacture of metallic magnetic powder
JPS6349722B2 (en) * 1980-10-01 1988-10-05 Kanto Denka Kogyo Kk

Similar Documents

Publication Publication Date Title
JPS5377612A (en) Cleaning tape for magnetic recorder
JPS5217696A (en) Manufacturing process of ferromagnetic grit
JPS51147312A (en) Magnetic head
JPS51147310A (en) Production method of magnetic head
JPS5237413A (en) Magnetic recorder
JPS534895A (en) Manufacture of needle-shaped magnetic iron particles
JPS5295097A (en) Magnetic recording material
JPS51134615A (en) Integrated magnetic head
JPS5395836A (en) Capstain and its manufacture
JPS5212498A (en) Magnetic alloy
JPS5250204A (en) Tape form magnetic recording material
JPS5240798A (en) Manufacturing method of magnetic powder
JPS5236514A (en) Permanent magnetic alloy and its production
JPS5246266A (en) Magnetic brake
JPS5330800A (en) Peparing magnetic thin film
JPS5216202A (en) Manufacturing method of magnetic recording medium
JPS51115803A (en) Magnetic recording material
JPS5236519A (en) Magnetic alloy
JPS52153708A (en) Magnetic disc and its manufacture
JPS5211909A (en) Magnetic recorder
JPS5236517A (en) Magnetic alloy
JPS527704A (en) Magnetic recorder
JPS5249500A (en) Mnbi alloy magnetic material with excellent oxidation stability
JPS51115372A (en) Continuous magnetic separator
JPS51148699A (en) Process for production of co-containing needle-shaped iron oxide magne tic powder