NL7203813A - - Google Patents
Info
- Publication number
- NL7203813A NL7203813A NL7203813A NL7203813A NL7203813A NL 7203813 A NL7203813 A NL 7203813A NL 7203813 A NL7203813 A NL 7203813A NL 7203813 A NL7203813 A NL 7203813A NL 7203813 A NL7203813 A NL 7203813A
- Authority
- NL
- Netherlands
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
- H01F1/065—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 obtained by a reduction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/142—Thermal or thermo-mechanical treatment
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12785171A | 1971-03-24 | 1971-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7203813A true NL7203813A (xx) | 1972-09-26 |
Family
ID=22432291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7203813A NL7203813A (xx) | 1971-03-24 | 1972-03-22 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3755008A (xx) |
| BE (1) | BE781110A (xx) |
| DE (1) | DE2214445A1 (xx) |
| FR (1) | FR2130610A1 (xx) |
| IT (1) | IT954518B (xx) |
| NL (1) | NL7203813A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855016A (en) * | 1971-03-24 | 1974-12-17 | Graham Magnetics Inc | Acicular cobalt powders having high squarenesss ratios |
| US4146504A (en) * | 1974-09-26 | 1979-03-27 | Graham Magnetics Inc. | Porous powders and a method for their preparation |
| US4031786A (en) * | 1975-08-11 | 1977-06-28 | Warwick Electronics Inc. | Tone selector circuit with multiplexed tone data transfer |
| JPS5269807A (en) * | 1975-12-08 | 1977-06-10 | Tdk Corp | Recovering of powder of ferromagnetic metal or alloy |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1838831A (en) * | 1925-08-19 | 1931-12-29 | Ig Farbenindustrie Ag | Metallic core for electromagnets |
| US2503947A (en) * | 1947-03-10 | 1950-04-11 | Comm Engineering Pty Ltd | Method of molidng magnetic powder |
| US2974104A (en) * | 1955-04-08 | 1961-03-07 | Gen Electric | High-energy magnetic material |
| US2885366A (en) * | 1956-06-28 | 1959-05-05 | Du Pont | Product comprising a skin of dense, hydrated amorphous silica bound upon a core of another solid material and process of making same |
| US3188247A (en) * | 1962-10-29 | 1965-06-08 | North American Phillips Compan | Use of the hexagonal phase of the compound (fe, co)2p in particle size permanent magnets |
| US3206338A (en) * | 1963-05-10 | 1965-09-14 | Du Pont | Non-pyrophoric, ferromagnetic acicular particles and their preparation |
| US3255052A (en) * | 1963-12-09 | 1966-06-07 | Magnetics Inc | Flake magnetic core and method of making same |
| US3567525A (en) * | 1968-06-25 | 1971-03-02 | Du Pont | Heat treated ferromagnetic particles |
| US3535104A (en) * | 1969-05-23 | 1970-10-20 | Du Pont | Ferromagnetic particles containing chromium |
| US3669643A (en) * | 1970-05-05 | 1972-06-13 | Bell Telephone Labor Inc | Method for the preparation of small cobalt particles |
| US3663318A (en) * | 1970-10-05 | 1972-05-16 | Du Pont | Process for making ferromagnetic metal powders |
| US3672867A (en) * | 1970-12-07 | 1972-06-27 | Du Pont | Submicron ferromagnetic alloy particles containing cobalt,boron,and zinc |
-
1971
- 1971-03-24 US US00127851A patent/US3755008A/en not_active Expired - Lifetime
-
1972
- 1972-03-22 IT IT67906/72A patent/IT954518B/it active
- 1972-03-22 NL NL7203813A patent/NL7203813A/xx unknown
- 1972-03-23 FR FR7210229A patent/FR2130610A1/fr not_active Withdrawn
- 1972-03-23 BE BE781110A patent/BE781110A/xx unknown
- 1972-03-24 DE DE19722214445 patent/DE2214445A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2130610A1 (xx) | 1972-11-03 |
| IT954518B (it) | 1973-09-15 |
| DE2214445A1 (de) | 1972-09-28 |
| BE781110A (fr) | 1972-07-17 |
| US3755008A (en) | 1973-08-28 |