发明名称 Magnetic head
摘要 A magnetic head for write and read of information, the core of which is at least in part composed of magnetic metal thin layers and non-magnetic intermediate metal oxide layers alternately laminated is provided. The metal is a cobalt base amorphous alloy or permalloy and the metal oxide is selected from SiO, Al2O3, MgO and BaTiO3, which has a Vickers hardness of not less than 200 to less than 1,200. The use of the magnetic head does not injure a magnetic recording medium and contributes to improvement of the durability of the magnetic recording medium.
申请公布号 US4948667(A) 申请公布日期 1990.08.14
申请号 US19870026620 申请日期 1987.03.17
申请人 HITACHI MAXELL, LTD. 发明人 MIKAMI, HIROSUKE;FUJIWARA, HIDEO;TOTTORI, TAKESHI
分类号 G11B5/31;G11B5/127;G11B5/147;G11B5/187;G11B5/255 主分类号 G11B5/31
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