JPS59106107A - 磁気記録媒体用粒子の製造方法 - Google Patents
磁気記録媒体用粒子の製造方法Info
- Publication number
- JPS59106107A JPS59106107A JP57216658A JP21665882A JPS59106107A JP S59106107 A JPS59106107 A JP S59106107A JP 57216658 A JP57216658 A JP 57216658A JP 21665882 A JP21665882 A JP 21665882A JP S59106107 A JPS59106107 A JP S59106107A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- magnetic
- magnetic recording
- particles
- 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
Landscapes
- Magnetic Ceramics (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57216658A JPS59106107A (ja) | 1982-12-10 | 1982-12-10 | 磁気記録媒体用粒子の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57216658A JPS59106107A (ja) | 1982-12-10 | 1982-12-10 | 磁気記録媒体用粒子の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59106107A true JPS59106107A (ja) | 1984-06-19 |
| JPS6331924B2 JPS6331924B2 (2) | 1988-06-27 |
Family
ID=16691899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57216658A Granted JPS59106107A (ja) | 1982-12-10 | 1982-12-10 | 磁気記録媒体用粒子の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59106107A (2) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62100418A (ja) * | 1985-10-23 | 1987-05-09 | バイエル・アクチエンゲゼルシヤフト | W構造をもつ微細な等軸ヘキサフエライト顔料類 |
| US5358660A (en) * | 1988-01-14 | 1994-10-25 | Showa Denko Kabushiki Kaisha | Magnetic particles for perpendicular magnetic recording |
-
1982
- 1982-12-10 JP JP57216658A patent/JPS59106107A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62100418A (ja) * | 1985-10-23 | 1987-05-09 | バイエル・アクチエンゲゼルシヤフト | W構造をもつ微細な等軸ヘキサフエライト顔料類 |
| US5358660A (en) * | 1988-01-14 | 1994-10-25 | Showa Denko Kabushiki Kaisha | Magnetic particles for perpendicular magnetic recording |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6331924B2 (2) | 1988-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4636433A (en) | Magnetic powders for magnetic recording media and magnetic recording media employing said magnetic powder therein | |
| US6099957A (en) | Plate-like ferrite particles with magnetoplumbite structure and magnetic card using the same | |
| US3770500A (en) | Magnetic materials and method of making same | |
| US20090098411A1 (en) | Method of manufacturing ferrite powder, ferrite powder, and magnetic recording media | |
| JP2010100489A (ja) | フェライト粒子、フェライト粉末及び磁気記録媒体 | |
| JPS62216922A (ja) | 磁気記録媒体用六万晶フエライト微粉末及びその製造法 | |
| US5605753A (en) | Magneto-plumbite ferrite particles for magnetic card, process for producing the same, and magnetic card using the same | |
| US5576114A (en) | High density magnetic recording medium containing hexagonal system ferrite powder | |
| US5277977A (en) | Ferromagnetic stabilized ultrafine spherical hexagonal crystalline Fe2 | |
| US5221322A (en) | Method of making ferromagnetic ultrafine particles | |
| EP0247681B1 (en) | Magnetic material, magnetic recording medium, and method of manufacturing a magnetic material | |
| Obol et al. | Magnetic properties of Co/sub 2/Y-type hexaferrite particles oriented in a rotating field | |
| JPS6242337B2 (2) | ||
| US5256479A (en) | Ferromagnetic ultrafine particles, method of making, and recording medium using the same | |
| JPS59106107A (ja) | 磁気記録媒体用粒子の製造方法 | |
| JP3024974B2 (ja) | 高保磁力板状マグネトプランバイト型フェライト粒子粉末及びその製造法 | |
| JPS6217841B2 (2) | ||
| CN109735215B (zh) | 一种磁性层及其制备方法 | |
| JP4469995B2 (ja) | 低保磁力フェライト磁性粉ならびに磁性塗料および磁気シート | |
| JP2001093716A (ja) | 磁気記録媒体用粉末及びその製造方法 | |
| JPS6355122A (ja) | 磁性粉末 | |
| JP2799590B2 (ja) | 磁気記録媒体 | |
| EP0397885B1 (en) | Magnetic powder, its production method, magnetic recording medium and magnetic recording method | |
| JPH06290924A (ja) | 磁性粉およびそれを用いた高密度磁気記録媒体 | |
| JPS63170219A (ja) | フエライト粉末の製造方法 |