CN1155022C - 氧化物磁性材料、铁氧体颗粒、烧结磁体、粘结磁体、磁记录介质和电机 - Google Patents
氧化物磁性材料、铁氧体颗粒、烧结磁体、粘结磁体、磁记录介质和电机 Download PDFInfo
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- CN1155022C CN1155022C CNB988001624A CN98800162A CN1155022C CN 1155022 C CN1155022 C CN 1155022C CN B988001624 A CNB988001624 A CN B988001624A CN 98800162 A CN98800162 A CN 98800162A CN 1155022 C CN1155022 C CN 1155022C
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Abstract
Description
Claims (12)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5685697 | 1997-02-25 | ||
| JP56856/97 | 1997-02-25 | ||
| JP56856/1997 | 1997-02-25 | ||
| JP273931/1997 | 1997-09-19 | ||
| JP27393197 | 1997-09-19 | ||
| JP273931/97 | 1997-09-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1217812A CN1217812A (zh) | 1999-05-26 |
| CN1155022C true CN1155022C (zh) | 2004-06-23 |
Family
ID=26397847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB988001624A Ceased CN1155022C (zh) | 1997-02-25 | 1998-02-25 | 氧化物磁性材料、铁氧体颗粒、烧结磁体、粘结磁体、磁记录介质和电机 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6139766A (zh) |
| EP (2) | EP0905718B1 (zh) |
| CN (1) | CN1155022C (zh) |
| DE (1) | DE69824362T2 (zh) |
| WO (1) | WO1998038654A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104508769A (zh) * | 2012-07-31 | 2015-04-08 | 日立金属株式会社 | 铁氧体烧结磁体的制造方法及铁氧体烧结磁体 |
Families Citing this family (92)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69824362T2 (de) * | 1997-02-25 | 2005-06-16 | Tdk Corp. | Magnetisches Oxidmaterial, Ferritteilchen, gesinterter Magnet, Verbundmagnet, magnetischer Aufzeichnungsträger und Motor |
| WO1999016086A1 (en) * | 1997-09-19 | 1999-04-01 | Tdk Corporation | Oxide magnetic material, ferrite particles, bonded magnet, sintered magnet, method of manufacturing the same, and magnetic recording medium |
| KR20030007531A (ko) | 1997-12-25 | 2003-01-23 | 히다찌긴조꾸가부시끼가이사 | 페라이트 자석 및 그를 포함하는 회전기와 자석롤 |
| US5958284A (en) * | 1997-12-29 | 1999-09-28 | Hitachi Metals, Ltd. | Ferrite magnet and method for producing same |
| CN1147883C (zh) | 1998-01-23 | 2004-04-28 | 日立金属株式会社 | 粘结磁铁、磁力辊及其所用的铁氧体粉的制造方法 |
| CN1167087C (zh) * | 1998-11-26 | 2004-09-15 | 住友特殊金属株式会社 | 铁氧体磁铁粉末、用该磁铁粉末的磁铁及它们的制造方法 |
| US6908568B2 (en) * | 1999-02-15 | 2005-06-21 | Tdk Corporation | Preparation of oxide magnetic material and oxide magnetic material |
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- 1998-02-25 WO PCT/JP1998/000764 patent/WO1998038654A1/ja not_active Ceased
- 1998-02-25 CN CNB988001624A patent/CN1155022C/zh not_active Ceased
- 1998-02-25 EP EP98905643A patent/EP0905718B1/en not_active Revoked
- 1998-02-25 US US09/147,186 patent/US6139766A/en not_active Expired - Lifetime
- 1998-02-25 EP EP04013256A patent/EP1465214B1/en not_active Revoked
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104508769A (zh) * | 2012-07-31 | 2015-04-08 | 日立金属株式会社 | 铁氧体烧结磁体的制造方法及铁氧体烧结磁体 |
| CN104508769B (zh) * | 2012-07-31 | 2017-03-29 | 日立金属株式会社 | 铁氧体烧结磁体的制造方法及铁氧体烧结磁体 |
Also Published As
| Publication number | Publication date |
|---|---|
| US6139766A (en) | 2000-10-31 |
| DE69824362T2 (de) | 2005-06-16 |
| EP0905718B1 (en) | 2004-06-09 |
| DE69824362D1 (de) | 2004-07-15 |
| EP0905718A1 (en) | 1999-03-31 |
| HK1020389A1 (zh) | 2000-06-09 |
| EP1465214A1 (en) | 2004-10-06 |
| CN1217812A (zh) | 1999-05-26 |
| WO1998038654A1 (en) | 1998-09-03 |
| EP1465214B1 (en) | 2012-04-11 |
| EP0905718A4 (en) | 2000-11-29 |
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