JPS5240798A - Manufacturing method of magnetic powder - Google Patents
Manufacturing method of magnetic powderInfo
- 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
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
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)
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 |
-
1975
- 1975-09-25 JP JP50115805A patent/JPS5240798A/en active Granted
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 |