Thin Film magnetic head
申请(专利)号： US20000478175
专利号： US6757133B1 主分类号： G11B51/47 申请权利人： ALPS ELECTRIC
CO., LTD. 公开国代码： US 优先权国家： JP
申请日： 2000-01-05 公开公告日： 2004-06-29
分类号： G11B51/47 发明设计人： KIYOSHI SATO 申请国代码： US
优先权： 19990113 JP 11-006473
摘 要 附 图：
摘 要：
A thin film magnetic head includes a magnetic lower core layer, a magnetic upper core layer, a coil layer, for inducing a recording magnetic field in the lower core layer and the upper core layer,
formed so as to go around the base of the upper core layer, and a planarizing layer formed in the periphery of the lower core layer, excluding the section exposed to the air bearing surface, so that the surface of the planarizing layer is level with the surface of the lower core layer, the coil layer being formed from on the lower core layer to on the planarizing layer. A method of producing a thin film magnetic head is also disclosed. 主权项：
1. A thin film magnetic head comprising:/na lower core layer comprising a magnetic material; /nan up
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Thin Film magnetic head
