JPS547074B2 - - Google Patents
Info
- Publication number
- JPS547074B2 JPS547074B2 JP1016573A JP1016573A JPS547074B2 JP S547074 B2 JPS547074 B2 JP S547074B2 JP 1016573 A JP1016573 A JP 1016573A JP 1016573 A JP1016573 A JP 1016573A JP S547074 B2 JPS547074 B2 JP S547074B2
- Authority
- JP
- Japan
- 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
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
- H01F1/04—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 metals or alloys
- H01F1/06—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 metals or alloys in the form of particles, e.g. powder
- H01F1/061—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 metals or alloys in the form of particles, e.g. powder with a protective layer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
- Chemical Treatment Of Metals (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1016573A JPS547074B2 (de) | 1973-01-24 | 1973-01-24 | |
| GB234474A GB1450241A (en) | 1973-01-24 | 1974-01-17 | Methods of making magnetic metal particles coated with a protective layer |
| CA190,751A CA1017205A (en) | 1973-01-24 | 1974-01-23 | Method of making metal magnetic particles coated with a protective layer |
| IT1975674A IT1009585B (it) | 1973-01-24 | 1974-01-24 | Metodo di produzione di particelle magnetiche di metallo rivestite di uno strato protettivo |
| NL7401010A NL181061C (nl) | 1973-01-24 | 1974-01-24 | Werkwijze voor het maken van een magnetiseerbaar metaalpoeder en magnetisch registratiemedium. |
| FR7402443A FR2214948B1 (de) | 1973-01-24 | 1974-01-24 | |
| DE19742403366 DE2403366C2 (de) | 1973-01-24 | 1974-01-24 | Verfahren zur Herstellung von mit einer Schutzschicht überzogenen ferromagnetischen Teilchen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1016573A JPS547074B2 (de) | 1973-01-24 | 1973-01-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4997738A JPS4997738A (de) | 1974-09-17 |
| JPS547074B2 true JPS547074B2 (de) | 1979-04-03 |
Family
ID=11742658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1016573A Expired JPS547074B2 (de) | 1973-01-24 | 1973-01-24 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS547074B2 (de) |
| CA (1) | CA1017205A (de) |
| DE (1) | DE2403366C2 (de) |
| FR (1) | FR2214948B1 (de) |
| GB (1) | GB1450241A (de) |
| IT (1) | IT1009585B (de) |
| NL (1) | NL181061C (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554804B2 (de) * | 1975-03-22 | 1980-02-01 | ||
| JPS609322B2 (ja) * | 1976-07-13 | 1985-03-09 | 日立マクセル株式会社 | 磁気記録用金属磁性粉末の製造法 |
| JPS5629841A (en) * | 1979-08-12 | 1981-03-25 | Tdk Corp | Magnetic recording medium |
| US4305993A (en) * | 1979-10-09 | 1981-12-15 | Hitachi Maxell, Ltd. | Magnetic recording medium |
| JPS579802A (en) * | 1980-06-20 | 1982-01-19 | Dainippon Ink & Chem Inc | Metallic magnetic powder and its manufacture |
| JPS6036603A (ja) * | 1983-08-10 | 1985-02-25 | Dainippon Ink & Chem Inc | 比表面積の小さな微小金属磁性粉およびその製造方法 |
| JPH0643601B2 (ja) * | 1985-06-12 | 1994-06-08 | 戸田工業株式会社 | 金属鉄粒子粉末又は鉄を主成分とする合金磁性粒子粉末の製造法 |
| JPH0657182A (ja) * | 1992-07-06 | 1994-03-01 | Minnesota Mining & Mfg Co <3M> | 磁性塗料の製造方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD91017A (de) * | ||||
| FR1114250A (fr) * | 1953-12-02 | 1956-04-10 | Electro Chimie Soc D | Perfectionnements à la fabrication d'aimants permanents |
-
1973
- 1973-01-24 JP JP1016573A patent/JPS547074B2/ja not_active Expired
-
1974
- 1974-01-17 GB GB234474A patent/GB1450241A/en not_active Expired
- 1974-01-23 CA CA190,751A patent/CA1017205A/en not_active Expired
- 1974-01-24 FR FR7402443A patent/FR2214948B1/fr not_active Expired
- 1974-01-24 DE DE19742403366 patent/DE2403366C2/de not_active Expired
- 1974-01-24 IT IT1975674A patent/IT1009585B/it active
- 1974-01-24 NL NL7401010A patent/NL181061C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7401010A (de) | 1974-07-26 |
| NL181061B (nl) | 1987-01-02 |
| FR2214948B1 (de) | 1978-03-24 |
| DE2403366C2 (de) | 1986-09-04 |
| NL181061C (nl) | 1987-06-01 |
| CA1017205A (en) | 1977-09-13 |
| IT1009585B (it) | 1976-12-20 |
| DE2403366A1 (de) | 1974-07-25 |
| FR2214948A1 (de) | 1974-08-19 |
| JPS4997738A (de) | 1974-09-17 |
| GB1450241A (en) | 1976-09-22 |