FR2130609B1 - - Google Patents
Info
- Publication number
- FR2130609B1 FR2130609B1 FR7210228A FR7210228A FR2130609B1 FR 2130609 B1 FR2130609 B1 FR 2130609B1 FR 7210228 A FR7210228 A FR 7210228A FR 7210228 A FR7210228 A FR 7210228A FR 2130609 B1 FR2130609 B1 FR 2130609B1
- Authority
- FR
- France
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0433—Nickel- or cobalt-based alloys
-
- 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
- B22F1/16—Metallic particles coated with a non-metal
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70605—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70605—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys
- G11B5/70621—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys containing Co metal or alloys
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/714—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the dimension of the magnetic particles
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2998—Coated including synthetic resin or polymer
Landscapes
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Hard Magnetic Materials (AREA)
- Magnetic Record Carriers (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12751471A | 1971-03-24 | 1971-03-24 | |
| US228387A US3892673A (en) | 1971-03-24 | 1972-02-22 | Composition of metal salt crystals having a polymeric coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2130609A1 FR2130609A1 (it) | 1972-11-03 |
| FR2130609B1 true FR2130609B1 (it) | 1978-09-01 |
Family
ID=26825704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7210228A Expired FR2130609B1 (it) | 1971-03-24 | 1972-03-23 |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US3892673A (it) |
| JP (1) | JPS5245660B1 (it) |
| AT (1) | AT331052B (it) |
| BE (1) | BE781111A (it) |
| CA (1) | CA972190A (it) |
| CH (1) | CH566396A5 (it) |
| DE (1) | DE2213131A1 (it) |
| ES (1) | ES401098A1 (it) |
| FR (1) | FR2130609B1 (it) |
| GB (1) | GB1382724A (it) |
| IE (1) | IE36220B1 (it) |
| IL (1) | IL39014A (it) |
| IT (1) | IT954521B (it) |
| NL (1) | NL7203970A (it) |
| SE (1) | SE388962B (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3909240A (en) * | 1973-09-28 | 1975-09-30 | Graham Magnetics Inc | Method of producing acicular metal crystals |
| DE2535277C2 (de) * | 1975-08-07 | 1984-10-18 | Basf Ag, 6700 Ludwigshafen | Verwendung von Alkylenoxiden zur Stabilisierung pyrophorer Metallpulverteilchen |
| NO155316C (no) * | 1982-04-23 | 1987-03-11 | Sintef | Fremgangsmaate for fremstilling av magnetiske polymerpartikler. |
| WO1984002031A1 (en) * | 1982-11-10 | 1984-05-24 | Sintef | Magnetic polymer particles and process for the preparation thereof |
| JP4072994B2 (ja) * | 2001-10-11 | 2008-04-09 | 学校法人日本大学 | 磁性粒子 |
| CN101781186A (zh) * | 2009-01-21 | 2010-07-21 | 尤米科尔公司 | 草酸钴粉末及其用于制造具有优良冷压和烧结性质的Co粉末的用途 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2216770A (en) * | 1937-02-11 | 1940-10-08 | Glidden Co | Method of making metal powders and product |
| US2621137A (en) * | 1948-07-13 | 1952-12-09 | Charles Hardy Inc | Reducing metal powders |
| US2791561A (en) * | 1950-04-27 | 1957-05-07 | Gen Aniline & Film Corp | Magnetic powders and method of making the same |
| US3228882A (en) * | 1963-01-04 | 1966-01-11 | Chevron Res | Dispersions of ferromagnetic cobalt particles |
| US3228881A (en) * | 1963-01-04 | 1966-01-11 | Chevron Res | Dispersions of discrete particles of ferromagnetic metals |
| US3574685A (en) * | 1969-01-14 | 1971-04-13 | Ibm | Manufacture of magnetic particles by reacting iron,cobalt,or nickel salts with oxalic acid salts in dialkyl sulfoxide |
-
1972
- 1972-02-22 US US228387A patent/US3892673A/en not_active Expired - Lifetime
- 1972-03-17 IL IL39014A patent/IL39014A/en unknown
- 1972-03-17 DE DE19722213131 patent/DE2213131A1/de not_active Withdrawn
- 1972-03-22 IT IT67909/72A patent/IT954521B/it active
- 1972-03-22 AT AT243672A patent/AT331052B/de not_active IP Right Cessation
- 1972-03-23 FR FR7210228A patent/FR2130609B1/fr not_active Expired
- 1972-03-23 CH CH434372A patent/CH566396A5/xx not_active IP Right Cessation
- 1972-03-23 ES ES401098A patent/ES401098A1/es not_active Expired
- 1972-03-23 CA CA137,973A patent/CA972190A/en not_active Expired
- 1972-03-23 BE BE781111A patent/BE781111A/xx not_active IP Right Cessation
- 1972-03-23 SE SE7203791A patent/SE388962B/xx unknown
- 1972-03-24 JP JP47029693A patent/JPS5245660B1/ja active Pending
- 1972-03-24 GB GB1407672A patent/GB1382724A/en not_active Expired
- 1972-03-24 NL NL7203970A patent/NL7203970A/xx not_active Application Discontinuation
- 1972-03-24 IE IE386/72A patent/IE36220B1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT954521B (it) | 1973-09-15 |
| JPS5245660B1 (it) | 1977-11-17 |
| DE2213131A1 (de) | 1972-09-28 |
| GB1382724A (en) | 1975-02-05 |
| IL39014A (en) | 1976-10-31 |
| ES401098A1 (es) | 1975-07-16 |
| IE36220L (en) | 1972-09-24 |
| ATA243672A (de) | 1975-10-15 |
| AT331052B (de) | 1976-08-10 |
| BE781111A (fr) | 1972-09-25 |
| FR2130609A1 (it) | 1972-11-03 |
| IL39014A0 (en) | 1972-05-30 |
| CA972190A (en) | 1975-08-05 |
| SE388962B (sv) | 1976-10-18 |
| US3892673A (en) | 1975-07-01 |
| CH566396A5 (it) | 1975-09-15 |
| IE36220B1 (en) | 1976-09-15 |
| NL7203970A (it) | 1972-09-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |