Antonelli, Terry, Stout & Kraus
Thin film magnetic head having magnetic core including a thin film of cobalt alloy
 A thin film magnetic head is disclosed which includes a substrate, a first magnetic core disposed on the substrate, a second magnetic core forming a magnetic path in conjunction with the first magnetic core, a conductor coil wound in the magnetic path and a gap formed between ends of the first magnetic core and the second magnetic core. At least one of the first magnetic core and the second magnetic core includes a thin film of a cobalt alloy. The cobalt alloy includes 20-70 atomic percent of cobalt, 20-60 atomic percent of nickel, 12-30 atomic percent of iron and 5-32 atomic percent of palladium. 
Hitachi, Ltd.
H G
H01F G11B
inventional inventional
Masanobu Shinji Takao Kouichi Masaaki Toshihiro Tetsuo
Hanazono Narishige Imagawa Nishioka Sano Yoshida Kobayashi