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Thin film magnetic head recessed partially into su

2020-08-23 来源:钮旅网
专利内容由知识产权出版社提供

专利名称:Thin film magnetic head recessed partially

into substrate and including planarizationlayers

发明人:Yoshitaka Sasaki,Atsushi Iijima申请号:US10419087申请日:20030421公开号:US06671135B2公开日:20031230

专利附图:

摘要:A combination magnetic head includes a reading head portion and a writinghead portion successively stacked on a substrate. A magnetic shield layer is formed on a

portion of the substrate between a recessed portion formed in a surface of the substrateand an air bearing surface. A shield gap layer with a magnetoresistive reproducingelement embedded therein is formed on the magnetic shield layer. A first magnetic layerhas a pole portion formed on the shield gap layer and an extended portion extendingalong a bottom wall of the recessed portion. A thin film coil has a portion provided onthe extended portion and fully embedded within the recessed portion such that theportion of the thin film coil is closer to the substrate than the reproducing element.

申请人:TDK CORPORATION

代理机构:Oliff & Berridge, PLC

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