公开(公告)号：US4636897A

公开(公告)日：1987-01-13

申请号：US539386

申请日：1983-10-06

申请人： Hitoshi Nakamura ,  Kasuo Shiiki ,  Isamu Yuito ,  Yoshihiro Shiroishi ,  Hideo Fujiwara ,  Kiminari Shinagawa ,  Akemi Iijima

发明人： Hitoshi Nakamura ,  Kasuo Shiiki ,  Isamu Yuito ,  Yoshihiro Shiroishi ,  Hideo Fujiwara ,  Kiminari Shinagawa ,  Akemi Iijima

IPC分类号： G11B5/31 ,  G11B5/127 ,  G11B5/23 ,  G11B5/147 ,  G11B5/187 ,  G11B5/235

CPC分类号： G11B5/1278

摘要： A perpendicular magnetic recording and reproducing thin film head of a structure excellent in magnetic characteristics and easy of fabrication, wherein a lower magnetic layer disposed on a flat nonmagnetic substrate is used as a main magnetic pole, a first insulator layer is formed on the main magnetic pole, a conductor for a coil and a second insulator layer are disposed on the first insulator layer, and an upper magnetic layer which lies in contact with the lower magnetic layer through the first insulator layer at one end thereof and directly at the other end thereof and which overlies the second insulator layer in a part thereof other than both the ends is disposed and used as an auxiliary magnetic pole.

摘要翻译： 磁性特性优良，制造容易的结构的垂直磁记录再生薄膜头，其特征在于，使用设置在平面非磁性基板上的下部磁性层作为主磁极，在主磁体上形成第一绝缘体层 极，用于线圈的导体和第二绝缘体层设置在第一绝缘体层上，并且上磁性层通过第一绝缘体层在其一端直接与下磁性层接触，并且在另一端处 并且在除了两端的部分中的第二绝缘体层之外的位置被布置并用作辅助磁极。