发明名称 Method of manufacturing a perpendicular magnetic recording head
摘要 A main magnetic pole layer is formed on an insulating layer flattened into a high-flatness surface, and a yoke layer having a large film thickness is formed under the main magnetic pole layer independently of the main magnetic pole. The main magnetic pole layer has a front end surface formed in a shape with a width size gradually increasing in a direction of track width as the front end surface departs farther away from an auxiliary magnetic pole layer. A perpendicular magnetic recording head can be provided which can suppress the occurrence of fringing in a recording pattern, and can form the main magnetic pole layer with high pattern accuracy, and can satisfactorily introduce a recording magnetic field to a fore end of the main magnetic pole layer.
申请公布号 US7181829(B2) 申请公布日期 2007.02.27
申请号 US20050222441 申请日期 2005.09.08
申请人 ALPS ELECTRIC CO., LTD. 发明人 TAKAHASHI TORU;YAZAWA HISAYUKI;GOCHOU HIDEKI;KOBAYASHI KIYOSHI;YAMADA MINORU;SATO KIYOSHI;WATANABE TOSHINORI
分类号 G11B5/127;G11B5/31;G11B5/187;H04R31/00 主分类号 G11B5/127
代理机构 代理人
主权项
地址