发明名称 Magnetic head and method for production thereof
摘要 A magnetic head comprising a lower magnetic pole formed on a wafer, a nonmagnetic write gap layer formed on the lower magnetic pole, an upper magnetic pole formed on the nonmagnetic write gap layer and provided with a pole tip possessing a thin leading end, two depressed parts formed in the lateral directions from directly below the lateral sides of the pole tip and opposed to each other across areas equal in width with the pole tip, a protective layer of a nonmagnetic insulating material adapted to fill the depressed parts and, at the same time, cover the upper magnetic pole and the lower magnetic pole, and a coil nipped between the opposed parts of a nonmagnetic insulating layer interposed between the upper magnetic pole and the lower magnetic pole.
申请公布号 US5966277(A) 申请公布日期 1999.10.12
申请号 US19970999285 申请日期 1997.12.29
申请人 FUJITSU LIMITED 发明人 KOSHIKAWA, TAKAO;NAGAI, ATSUHIKO
分类号 G11B5/187;G11B5/31;G11B5/39;G11B5/40;(IPC1-7):G11B5/31 主分类号 G11B5/187
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