JPS5240798A - Manufacturing method of magnetic powder - Google Patents

Manufacturing method of magnetic powder

Info

Publication number
JPS5240798A
JPS5240798A JP50115805A JP11580575A JPS5240798A JP S5240798 A JPS5240798 A JP S5240798A JP 50115805 A JP50115805 A JP 50115805A JP 11580575 A JP11580575 A JP 11580575A JP S5240798 A JPS5240798 A JP S5240798A
Authority
JP
Japan
Prior art keywords
magnetic powder
manufacturing
particles
extinct
obtaining
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
JP50115805A
Other languages
Japanese (ja)
Other versions
JPS5528204B2 (en
Inventor
Kunio Wakai
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.)
Maxell Holdings Ltd
Original Assignee
Hitachi Maxell 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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP50115805A priority Critical patent/JPS5240798A/en
Publication of JPS5240798A publication Critical patent/JPS5240798A/en
Publication of JPS5528204B2 publication Critical patent/JPS5528204B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: A method of obtaining Fe particles, Fe3O4 particles, or ϒ-F2O3 particles of needle forms with extinct dewatering holes suitable for magnetic powder of magnetic recording.
COPYRIGHT: (C)1977,JPO&Japio
JP50115805A 1975-09-25 1975-09-25 Manufacturing method of magnetic powder Granted JPS5240798A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50115805A JPS5240798A (en) 1975-09-25 1975-09-25 Manufacturing method of magnetic powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50115805A JPS5240798A (en) 1975-09-25 1975-09-25 Manufacturing method of magnetic powder

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP12936379A Division JPS5547227A (en) 1979-10-05 1979-10-05 Production of magnetic powder

Publications (2)

Publication Number Publication Date
JPS5240798A true JPS5240798A (en) 1977-03-29
JPS5528204B2 JPS5528204B2 (en) 1980-07-26

Family

ID=14671513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50115805A Granted JPS5240798A (en) 1975-09-25 1975-09-25 Manufacturing method of magnetic powder

Country Status (1)

Country Link
JP (1) JPS5240798A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59118146U (en) * 1983-01-28 1984-08-09 株式会社三協精機製作所 Tape recorder back tension switching mechanism
JPS59121748U (en) * 1983-01-31 1984-08-16 株式会社三協精機製作所 tape recorder
JPS59157250U (en) * 1983-04-06 1984-10-22 オンキヨー株式会社 Tape recorder back tension mechanism

Also Published As

Publication number Publication date
JPS5528204B2 (en) 1980-07-26

Similar Documents

Publication Publication Date Title
JPS51149008A (en) Magnetic recording medium manufacturing method
JPS52122213A (en) Production of ferromagnetic metal powder
JPS5240798A (en) Manufacturing method of magnetic powder
JPS5329703A (en) Production of thin magnetic film
JPS5237406A (en) Manufacturing method of magnetic recorder
JPS529900A (en) Manufacturing method of ferromagnetic metallic powder
JPS51134615A (en) Integrated magnetic head
JPS5236798A (en) Magnetic recording substance
JPS5216202A (en) Manufacturing method of magnetic recording medium
JPS5238913A (en) Magnetic head
JPS5212498A (en) Magnetic alloy
JPS51117112A (en) Method of manufacture of high strength material for sintering from cas t iron chip
JPS51115803A (en) Magnetic recording material
JPS5339110A (en) Magnetoresistance effect head
JPS51145304A (en) Manufacturing method of magnetic head
JPS5236519A (en) Magnetic alloy
JPS534895A (en) Manufacture of needle-shaped magnetic iron particles
JPS5259894A (en) Magnetic material
JPS5295097A (en) Magnetic recording material
JPS51138409A (en) Magnetic recording medium
JPS5317314A (en) Magnetic head
JPS5228697A (en) Production method of magnetic powder
JPS5228308A (en) Magnetic head for multi-tracks
JPS527704A (en) Magnetic recorder
JPS5236517A (en) Magnetic alloy