发明名称 |
MAGNETIC HEAD |
摘要 |
Magnetic head for a magnetic recording and playback apparatus includes a core of a Mn-Zn-ferrous ferrite having a very high saturation magnetization. The Mn-Zn-ferrous ferrite has a composition (not counting optional substitutions) according to the formula MnaZnbFecIIFeeIIIO4 with 0<a</=0.55 0.06</=b</=0. |
申请公布号 |
JPS58146019(A) |
申请公布日期 |
1983.08.31 |
申请号 |
JP19830017576 |
申请日期 |
1983.02.07 |
申请人 |
PHILIPS' GLOEILAMPENFABRIEKEN NV |
发明人 |
DOUUKO SUTOTSUPERUSU;PIETO FURANSU BONHERUSU;YOHANESU PETORUSU MARIA DAAMEN;ERUKO HERUBEN BITSUSERU |
分类号 |
C01G49/00;C04B35/26;C30B11/00;G11B5/133;G11B5/193;G11B5/255;H01F1/34 |
主分类号 |
C01G49/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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