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
EP0086005(B1)
申请公布日期
1986.04.16
申请号
EP19830200119
申请日期
1983.01.26
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
STOPPELS, DOEKO;BONGERS, PIET FRANS;DAMEN, JOHANNES PETRUS MARIA;VISSER, EELCO GERBEN
