发明名称 Narrow top pole of a write element
摘要 In a method of manufacturing a top pole of a write element for use in a disc drive storage system, a first trench is formed on a top surface of a bottom pole, the first trench includes a first opening defined by opposing first side walls and an exposed portion of the top surface located therebetween. Next, a second trench is formed within the first trench. The second trench includes a second opening defined by opposing second side walls formed adjacent the first side walls and a gap member formed on the exposed portion of the top surface of the bottom pole between the second side walls. Finally, a top pole is formed in the second opening, which is narrower than the first opening.
申请公布号 US6788496(B2) 申请公布日期 2004.09.07
申请号 US20010934816 申请日期 2001.08.22
申请人 SEAGATE TECHNOLOGY LLC 发明人 TOLMAN CHARLES H.;AMIN NURUL
分类号 G11B5/31;(IPC1-7):G11B5/147 主分类号 G11B5/31
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