发明名称 MAGNETIC RECORDING HEAD
摘要 <P>PROBLEM TO BE SOLVED: To provide a magnetic recording head capable of sufficiently absorbing a leaked magnetic field by a shield, and a storage device. Ž<P>SOLUTION: In the magnetic recording head 44, a recording magnetic field leaks from the tip piece 45a of a truncated pyramid shape during writing of information. In this case, the leaked magnetic field leaks from the tip piece 45a to a shield 46. The leaked magnetic field is guided to the magnetic layer 56 of the shield 46. The shield 46 includes a laminate member constituted of the magnetic layer 56 and a nonmagnetic layer 57 stacked in a direction orthogonal to a medium opposite surface 29, and hence orientation of magnetization is established in an in-plane direction parallel to the medium opposite surface 29 in the magnetic layer 56. As a result, the generation of a leaked magnetic field, more specifically an erasing magnetic field, from the medium opposite surface 29 is prevented. For example, side erasing is prevented. Simultaneously, a steep gradient is established in the recording magnetic field leaked from the tip of the tip piece 45a. Resolution of the recording magnetic field is improved. The magnetic recording head 44 greatly contributes to the increase of a recording density. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
申请公布号 JP2010079970(A) 申请公布日期 2010.04.08
申请号 JP20080245710 申请日期 2008.09.25
申请人 FUJITSU LTD 发明人 NAGASAKA KEIICHI
分类号 G11B5/31 主分类号 G11B5/31
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