Antonelli, Terry, Stout & Kraus, LLP
Thin film magnetic head and assembled construction thereof
A thin film magnetic head having a first magnetic core, a second magnetic core formed on the first magnetic core, a coil disposed between the first magnetic core and second magnetic core, and a non-magnetic insulator body for separating the first magnetic core, second magnetic core and coil with respect to each other. At least one of the first magnetic core and the second magnetic core includes an electroplated thin film with an average crystal grain size smaller than 500 &aring; and the electroplated thin film is made of Ni&#8212;Fe alloy of which Ni is 38 to 60 wt % and Fe is 40 to 62 wt %.
Hitachi, Ltd.
B G G G B G G H
B82Y G11B G11B G11B B82Y G11B G11B H01F
inventional inventional inventional additional inventional inventional inventional inventional
Yoshiaki Masaaki Hisashi Shun-ichi Kenzo Moriaki Takashi Hisano
Kita Sano Takano Narumi Masuda Fuyama Kawabe Yamamoto