JPS61168532A - 磁気記録用バリウムフェライト微結晶の製造方法 - Google Patents
磁気記録用バリウムフェライト微結晶の製造方法Info
- Publication number
- JPS61168532A JPS61168532A JP59175402A JP17540284A JPS61168532A JP S61168532 A JPS61168532 A JP S61168532A JP 59175402 A JP59175402 A JP 59175402A JP 17540284 A JP17540284 A JP 17540284A JP S61168532 A JPS61168532 A JP S61168532A
- Authority
- JP
- Japan
- Prior art keywords
- barium
- barium ferrite
- precursor
- ions
- ferrite
- 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
Classifications
-
- 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
- G11B5/70626—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 containing non-metallic substances
- G11B5/70642—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 containing non-metallic substances iron oxides
- G11B5/70678—Ferrites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0036—Mixed oxides or hydroxides containing one alkaline earth metal, magnesium or lead
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0063—Mixed oxides or hydroxides containing zinc
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0072—Mixed oxides or hydroxides containing manganese
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/009—Compounds containing iron, with or without oxygen or hydrogen, and containing two or more other elements
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/80—Compounds containing cobalt, with or without oxygen or hydrogen, and containing one or more other elements
- C01G51/82—Compounds containing cobalt, with or without oxygen or hydrogen, and containing two or more other elements
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/80—Compounds containing nickel, with or without oxygen or hydrogen, and containing one or more other elements
- C01G53/82—Compounds containing nickel, with or without oxygen or hydrogen, and containing two or more other elements
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
- C01P2004/22—Particle morphology extending in two dimensions, e.g. plate-like with a polygonal circumferential shape
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Power Engineering (AREA)
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59175402A JPS61168532A (ja) | 1984-08-23 | 1984-08-23 | 磁気記録用バリウムフェライト微結晶の製造方法 |
| DE19853529756 DE3529756A1 (de) | 1984-08-23 | 1985-08-20 | Verfahren zur herstellung eines mikrokristallinen hexagonalen bariumferrit-pulvers |
| NL8502314A NL8502314A (nl) | 1984-08-23 | 1985-08-22 | Werkwijze voor de bereiding van microkristallijn bariumferrietpoeder. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59175402A JPS61168532A (ja) | 1984-08-23 | 1984-08-23 | 磁気記録用バリウムフェライト微結晶の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61168532A true JPS61168532A (ja) | 1986-07-30 |
| JPH0261418B2 JPH0261418B2 (cg-RX-API-DMAC7.html) | 1990-12-20 |
Family
ID=15995462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59175402A Granted JPS61168532A (ja) | 1984-08-23 | 1984-08-23 | 磁気記録用バリウムフェライト微結晶の製造方法 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS61168532A (cg-RX-API-DMAC7.html) |
| DE (1) | DE3529756A1 (cg-RX-API-DMAC7.html) |
| NL (1) | NL8502314A (cg-RX-API-DMAC7.html) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6256325A (ja) * | 1985-09-03 | 1987-03-12 | Ube Ind Ltd | バリウムフエライト粉末の製法 |
| JPS6260209A (ja) * | 1985-09-10 | 1987-03-16 | Sony Corp | 六方晶系フエライト磁性粉末の製造方法 |
| JPS62275027A (ja) * | 1985-04-04 | 1987-11-30 | Ishihara Sangyo Kaisha Ltd | 磁気記録用強磁性微粉末の製造方法 |
| JPS63170221A (ja) * | 1987-01-09 | 1988-07-14 | Ube Ind Ltd | バリウムフエライト磁性粉およびその製造方法 |
| JPS63170220A (ja) * | 1987-01-09 | 1988-07-14 | Ube Ind Ltd | バリウムフエライト磁性粉およびその製造方法 |
| JPS63225533A (ja) * | 1987-03-13 | 1988-09-20 | Ube Ind Ltd | バリウムフエライト粉末の製造方法 |
| US5055322A (en) * | 1989-11-02 | 1991-10-08 | Nippon Zeon Co., Ltd. | Method of producing magnetic recording media |
| US5062983A (en) * | 1989-05-11 | 1991-11-05 | Nippon Zeon Co., Ltd. | Magnetic powder for magnetic recording media |
| US5062982A (en) * | 1989-04-07 | 1991-11-05 | Nippon Zeon Co., Ltd. | Magnetic powder for magnetic recording media |
| JP2009035456A (ja) * | 2007-08-02 | 2009-02-19 | Kanto Denka Kogyo Co Ltd | 薄片状Baフェライト微粒子及びその製造方法 |
| JP2012012253A (ja) * | 2010-06-30 | 2012-01-19 | Toda Kogyo Corp | 六方晶フェライト粒子粉末の製造法、及び六方晶フェライト粒子粉末、並びに磁気記録媒体 |
| CN104671764A (zh) * | 2015-01-29 | 2015-06-03 | 浙江大学 | 一种铌掺杂钡铁氧体吸波粉体材料及制备方法 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3729693A1 (de) * | 1986-09-05 | 1988-05-05 | Sony Corp | Verfahren zur herstellung feiner bariumferritteilchen |
| US4828916A (en) * | 1986-12-27 | 1989-05-09 | Toda Kogyo Corporation | Plate-like magnetoplumbite type ferrite particles for magnetic recording and magnetic recording media using the same |
| DE68925157T2 (de) * | 1988-06-28 | 1996-09-05 | Toda Kogyo Corp | Plättchenförmige feine Ferritteilchen, geeignet zur Verwendung bei magnetischer Aufzeichnung und Verfahren zur Herstellung derselben |
| FR2639647B1 (fr) * | 1988-10-18 | 1990-09-21 | Kodak Pathe | Milieu d'enregistrement magnetique |
| FR2638000B1 (fr) * | 1988-10-18 | 1990-12-14 | Kodak Pathe | Carte a memoire magnetique a grande capacite et procede de fabrication |
| DE69016699T2 (de) * | 1989-04-28 | 1995-08-17 | Ngk Insulators Ltd | Verfahren zur Herstellung von Ferritkristallen und Verfahren zur Herstellung von vorzugsweise dafür verwendeten Ferritpulvern. |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56160328A (en) * | 1980-05-08 | 1981-12-10 | Toshiba Corp | Manufacture of ba-ferrite powder |
| JPS5841647A (ja) * | 1981-08-25 | 1983-03-10 | ゲオルク・フイツシヤ−・アクチエンゲゼルシヤフト | 永久鋳型 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5820890B2 (ja) * | 1974-03-01 | 1983-04-26 | サカイカガクコウギヨウ カブシキガイシヤ | フエライト粒子の製造法 |
-
1984
- 1984-08-23 JP JP59175402A patent/JPS61168532A/ja active Granted
-
1985
- 1985-08-20 DE DE19853529756 patent/DE3529756A1/de not_active Withdrawn
- 1985-08-22 NL NL8502314A patent/NL8502314A/nl not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56160328A (en) * | 1980-05-08 | 1981-12-10 | Toshiba Corp | Manufacture of ba-ferrite powder |
| JPS5841647A (ja) * | 1981-08-25 | 1983-03-10 | ゲオルク・フイツシヤ−・アクチエンゲゼルシヤフト | 永久鋳型 |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62275027A (ja) * | 1985-04-04 | 1987-11-30 | Ishihara Sangyo Kaisha Ltd | 磁気記録用強磁性微粉末の製造方法 |
| JPS6256325A (ja) * | 1985-09-03 | 1987-03-12 | Ube Ind Ltd | バリウムフエライト粉末の製法 |
| JPS6260209A (ja) * | 1985-09-10 | 1987-03-16 | Sony Corp | 六方晶系フエライト磁性粉末の製造方法 |
| JPS63170221A (ja) * | 1987-01-09 | 1988-07-14 | Ube Ind Ltd | バリウムフエライト磁性粉およびその製造方法 |
| JPS63170220A (ja) * | 1987-01-09 | 1988-07-14 | Ube Ind Ltd | バリウムフエライト磁性粉およびその製造方法 |
| JPS63225533A (ja) * | 1987-03-13 | 1988-09-20 | Ube Ind Ltd | バリウムフエライト粉末の製造方法 |
| US5062982A (en) * | 1989-04-07 | 1991-11-05 | Nippon Zeon Co., Ltd. | Magnetic powder for magnetic recording media |
| US5062983A (en) * | 1989-05-11 | 1991-11-05 | Nippon Zeon Co., Ltd. | Magnetic powder for magnetic recording media |
| US5055322A (en) * | 1989-11-02 | 1991-10-08 | Nippon Zeon Co., Ltd. | Method of producing magnetic recording media |
| JP2009035456A (ja) * | 2007-08-02 | 2009-02-19 | Kanto Denka Kogyo Co Ltd | 薄片状Baフェライト微粒子及びその製造方法 |
| JP2012012253A (ja) * | 2010-06-30 | 2012-01-19 | Toda Kogyo Corp | 六方晶フェライト粒子粉末の製造法、及び六方晶フェライト粒子粉末、並びに磁気記録媒体 |
| CN104671764A (zh) * | 2015-01-29 | 2015-06-03 | 浙江大学 | 一种铌掺杂钡铁氧体吸波粉体材料及制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3529756A1 (de) | 1986-02-27 |
| NL8502314A (nl) | 1986-03-17 |
| JPH0261418B2 (cg-RX-API-DMAC7.html) | 1990-12-20 |
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