| 发明名称 |
MAGNETIC HEAD HAVING A CORE OF MN-ZN-CO FERROUS FERRITE |
| 摘要 |
A magnetic head for a magnetic recording and playback device. The head comprises a Mn-Zn-ferrous ferrite core having a very high saturation magnetization and magnetic permeability. The Mn-Zn-ferrous-ferrite has a composition according to the formula MnaZnbFecIICoxFe2IIIO4 with 0<a</=0.55 0.06</=b</=0.4 0.34</=c</=0.9 0.0006</=x</=0.006. |
| 申请公布号 |
KR910007871(B1) |
申请公布日期 |
1991.10.02 |
| 申请号 |
KR19830005980 |
申请日期 |
1983.12.17 |
| 申请人 |
N.V. PHILIPS GLOEILAMPENFABRIEKEN |
发明人 |
STOPELS DAEKO;VANHOFF REONARODOOS A.H. |
| 分类号 |
C01G51/00;C04B35/26;C30B29/22;G11B5/133;(IPC1-7):G11B5/133 |
主分类号 |
C01G51/00 |
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