公开(公告)号：US5936815A

公开(公告)日：1999-08-10

申请号：US931743

申请日：1997-09-16

申请人： Seiji Kumagai ,  Junichi Honda ,  Norikatsu Fujisawa ,  Kyu Kanno

发明人： Seiji Kumagai ,  Junichi Honda ,  Norikatsu Fujisawa ,  Kyu Kanno

IPC分类号： G11B5/31 ,  G11B5/127 ,  G11B5/187 ,  G11B5/23 ,  G11B5/147

CPC分类号： G11B5/1276 ,  G11B5/1878 ,  G11B5/127 ,  G11B5/1272

摘要： A thin film type magnetic head that electromagnetic conversion efficiency is improved by making gradually magnetic resistance larger with approaching to a magnetic gap can be provided. There is disclosed a magnetic head including a pair of magnetic core half members having nonmagnetic substrates and magnetic metal films formed on the nonmagnetic substrates and a coil formed at a concave part by a thin film forming process, the pair of magnetic core half members being jointed to each other opposite to each other through a magnetic gap formed between the respective magnetic metal films, the concave part formed on the surface formed by joining at least one of the magnetic metal films and the other magnetic metal film, wherein assistant cores consisting of magnetic materials are joined on the side of the surface by joining a pair of nonmagnetic substrates and the magnetic metal films are formed connected with the assistant cores.

摘要翻译： 可以提供通过使接近磁隙逐渐变大的磁阻来提高电磁转换效率的薄膜型磁头。 公开了一种磁头，其包括具有非磁性基板的一对磁芯半部件和形成在非磁性基板上的磁性金属膜，以及通过薄膜形成工艺在凹部形成的线圈，所述一对磁芯半体连接 通过形成在各个磁性金属膜之间的磁隙彼此相对，通过接合至少一个磁性金属膜和另一个磁性金属膜形成的表面上形成的凹部，其中由磁性金属膜组成的辅助芯 材料通过连接一对非磁性基底而在表面的一侧接合，并且形成与辅助芯相连接的磁性金属膜。