JPH0261412B2 - - Google Patents
Info
- Publication number
- JPH0261412B2 JPH0261412B2 JP58231876A JP23187683A JPH0261412B2 JP H0261412 B2 JPH0261412 B2 JP H0261412B2 JP 58231876 A JP58231876 A JP 58231876A JP 23187683 A JP23187683 A JP 23187683A JP H0261412 B2 JPH0261412 B2 JP H0261412B2
- Authority
- JP
- Japan
- Prior art keywords
- acicular
- acicular particles
- iron carbide
- surface treatment
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
- H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Carbon And Carbon Compounds (AREA)
- Hard Magnetic Materials (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58231876A JPS60122712A (ja) | 1983-12-07 | 1983-12-07 | 表面処理を施した炭化鉄を含有する針状粒子及びこれから成る磁性塗料用材料 |
DE8484104661T DE3469820D1 (en) | 1983-04-25 | 1984-04-25 | Acicular particulate material containing iron carbide |
EP84104661A EP0123318B1 (en) | 1983-04-25 | 1984-04-25 | Acicular particulate material containing iron carbide |
KR1019840006585A KR890002666B1 (ko) | 1983-12-07 | 1984-10-23 | 표면처리제로 피복된 탄화철 함유 침상입자물질 |
BE0/213877A BE900884A (fr) | 1983-11-17 | 1984-10-24 | Materiau sous forme de particules aciculaires contenant du carbure de fer. |
CA000466189A CA1320033C (en) | 1983-11-17 | 1984-10-24 | Acicular particulate material containing iron carbide |
US06/918,783 US4842759A (en) | 1983-04-25 | 1986-10-14 | Acicular process for producing particulate material |
US07/327,461 US5151206A (en) | 1983-04-25 | 1989-03-22 | Acicular iron carbide particulate material and process for producing same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58231876A JPS60122712A (ja) | 1983-12-07 | 1983-12-07 | 表面処理を施した炭化鉄を含有する針状粒子及びこれから成る磁性塗料用材料 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60122712A JPS60122712A (ja) | 1985-07-01 |
JPH0261412B2 true JPH0261412B2 (enrdf_load_stackoverflow) | 1990-12-20 |
Family
ID=16930404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58231876A Granted JPS60122712A (ja) | 1983-04-25 | 1983-12-07 | 表面処理を施した炭化鉄を含有する針状粒子及びこれから成る磁性塗料用材料 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS60122712A (enrdf_load_stackoverflow) |
KR (1) | KR890002666B1 (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61154110A (ja) * | 1984-12-27 | 1986-07-12 | Mitsui Toatsu Chem Inc | 磁気記録用針状性炭化鉄微粒子及びその製造方法 |
JPS6285403A (ja) * | 1985-10-09 | 1987-04-18 | Tdk Corp | 磁気記録媒体 |
JP2658599B2 (ja) * | 1990-02-02 | 1997-09-30 | 日本ゼオン株式会社 | 磁性塗料及び磁気記録媒体 |
-
1983
- 1983-12-07 JP JP58231876A patent/JPS60122712A/ja active Granted
-
1984
- 1984-10-23 KR KR1019840006585A patent/KR890002666B1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
KR850005125A (ko) | 1985-08-21 |
JPS60122712A (ja) | 1985-07-01 |
KR890002666B1 (ko) | 1989-07-22 |
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