CN109087769B - 磁记录用六方晶锶铁氧体粉末及磁记录介质 - Google Patents
磁记录用六方晶锶铁氧体粉末及磁记录介质 Download PDFInfo
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- CN109087769B CN109087769B CN201810611324.7A CN201810611324A CN109087769B CN 109087769 B CN109087769 B CN 109087769B CN 201810611324 A CN201810611324 A CN 201810611324A CN 109087769 B CN109087769 B CN 109087769B
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- strontium ferrite
- hexagonal strontium
- ferrite powder
- atoms
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- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical group [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 5
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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
-
- 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
-
- 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
-
- 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
- C01G49/0054—Mixed oxides or hydroxides containing one rare earth metal, yttrium or scandium
-
- 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
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
-
- 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
-
- 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
- C01P2006/90—Other properties not specified above
-
- 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
- G11B5/708—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 addition of non-magnetic particles to the layer
- G11B5/7085—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 addition of non-magnetic particles to the layer non-magnetic abrasive particles
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| JP2017116499A JP6787840B2 (ja) | 2017-06-14 | 2017-06-14 | 磁気記録用六方晶ストロンチウムフェライト粉末および磁気記録媒体 |
| JP2017-116499 | 2017-06-14 |
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| Publication Number | Publication Date |
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| CN109087769A CN109087769A (zh) | 2018-12-25 |
| CN109087769B true CN109087769B (zh) | 2021-06-18 |
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| JP7126267B2 (ja) * | 2017-03-31 | 2022-08-26 | パウダーテック株式会社 | フェライト粉末、樹脂組成物および成形体 |
| JP6754744B2 (ja) * | 2017-09-28 | 2020-09-16 | 富士フイルム株式会社 | マイクロ波アシスト記録用磁気記録媒体、磁気記録装置および磁気記録媒体の製造方法 |
| JP7077241B2 (ja) | 2019-01-11 | 2022-05-30 | 富士フイルム株式会社 | 六方晶ストロンチウムフェライト粉末、磁気記録媒体および磁気記録再生装置 |
| JP7105202B2 (ja) | 2019-01-16 | 2022-07-22 | 富士フイルム株式会社 | マイクロ波アシスト記録用磁気記録媒体、磁気記録装置、および磁気記録媒体の製造方法 |
| JP6985315B2 (ja) * | 2019-02-28 | 2021-12-22 | 富士フイルム株式会社 | 磁気テープ、磁気テープカートリッジおよび磁気記録再生装置 |
| JP2021028858A (ja) * | 2019-08-09 | 2021-02-25 | 富士フイルム株式会社 | 磁気記録媒体および磁気記録再生装置 |
| CN116282188B (zh) * | 2023-03-23 | 2024-09-06 | 中国科学院赣江创新研究院 | 一种钕掺杂锶铁氧体吸波材料及其制备方法 |
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| JP2003059032A (ja) * | 2001-08-20 | 2003-02-28 | Fuji Photo Film Co Ltd | 六方晶系フェライト粉末及びそれを含む磁気記録媒体 |
| JP2010100489A (ja) * | 2008-10-24 | 2010-05-06 | Tdk Corp | フェライト粒子、フェライト粉末及び磁気記録媒体 |
| WO2014208731A1 (ja) * | 2013-06-28 | 2014-12-31 | 富士フイルム株式会社 | 磁気記録用六方晶フェライト磁性粉、六方晶フェライト磁性粒子の製造方法、および磁気記録媒体 |
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| JP5855832B2 (ja) | 2010-01-29 | 2016-02-09 | Ｄｏｗａエレクトロニクス株式会社 | 磁気記録用六方晶フェライト磁性粉末及び該粉末を用いた磁気記録媒体 |
| JP5711086B2 (ja) | 2010-09-30 | 2015-04-30 | 富士フイルム株式会社 | 磁気記録用磁性粉およびその製造方法、ならびに磁気記録媒体 |
| JP5645865B2 (ja) * | 2012-03-30 | 2014-12-24 | 富士フイルム株式会社 | 六方晶ストロンチウムフェライト磁性粉末およびその製造方法、ならびに磁気記録媒体およびその製造方法 |
| JP6280922B2 (ja) * | 2013-09-30 | 2018-02-14 | 富士フイルム株式会社 | 六方晶フェライト粒子の製造方法および磁気記録媒体の製造方法 |
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| JP2003059032A (ja) * | 2001-08-20 | 2003-02-28 | Fuji Photo Film Co Ltd | 六方晶系フェライト粉末及びそれを含む磁気記録媒体 |
| JP2010100489A (ja) * | 2008-10-24 | 2010-05-06 | Tdk Corp | フェライト粒子、フェライト粉末及び磁気記録媒体 |
| WO2014208731A1 (ja) * | 2013-06-28 | 2014-12-31 | 富士フイルム株式会社 | 磁気記録用六方晶フェライト磁性粉、六方晶フェライト磁性粒子の製造方法、および磁気記録媒体 |
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| Publication number | Publication date |
|---|---|
| JP6787840B2 (ja) | 2020-11-18 |
| CN109087769A (zh) | 2018-12-25 |
| US11244701B2 (en) | 2022-02-08 |
| US20180366152A1 (en) | 2018-12-20 |
| JP2019003715A (ja) | 2019-01-10 |
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