| 发明名称 |
Polycrystalline ferromagnetic metal oxide and method of manufacturing the same |
| 摘要 |
A polycrystalline ferromagnetic metal oxide has a density of 97% or more to less than 100%; and a method of manufacturing a polycrystalline ferromagnetic metal comprises a step of treating a polycrystalline ferromagnetic metal oxide under a high pressure reducing gas for high densification.
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| 申请公布号 |
US6638442(B1) |
申请公布日期 |
2003.10.28 |
| 申请号 |
US20000663215 |
申请日期 |
2000.09.15 |
| 申请人 |
SHARP KABUSHIKI KAISHA;TOSHIMA MFG CO., LTD |
发明人 |
NAKANISHI KENJI;OGIMOTO YASUSHI;TSUCHIMINE NOBUO |
| 分类号 |
H01F1/34;C01B13/14;C01G49/00;H01F1/40;H01F10/12;(IPC1-7):H01F1/10;C01F11/00;C01G45/00;C01G44/00 |
主分类号 |
H01F1/34 |
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