Title :
Inductive write heads using high-moment pole materials for ultrahigh-density demonstrations
Author :
Yingjian Chen ; Dang, Xiaozhong ; Yinshi Liu ; Jiang, Hai ; Stoev, Kroum ; Liu, Yinshi ; Luo, Peng ; Wang, James ; Chen, Yingjian ; Gu, Shanfan ; Lederman, Marcos ; Krounbi, Mohamad ; Re, Mark
Author_Institution :
Read-Rite Corp., Fremont, CA, USA
Abstract :
High-moment FeCoN soft magnetic films with Bs of 23.5 kG were prepared using reactive dc magnetron sputtering and were used in inductive write heads for both longitudinal recording demonstration at 130 Gb/in2 and perpendicular recording demonstration at 145 Gb/in2.
Keywords :
cobalt alloys; iron alloys; magnetic heads; magnetic moments; magnetic recording; magnetic thin films; magnetisation; perpendicular magnetic recording; soft magnetic materials; sputtered coatings; 23.5 kG; FeCoN; FeCoN soft magnetic films; high-moment pole materials; inductive write heads; longitudinal recording; perpendicular recording; reactive dc magnetron sputtering; ultrahigh-density demonstrations; Coercive force; Corrosion; Magnetic anisotropy; Magnetic films; Magnetic heads; Magnetic materials; Magnetic properties; Perpendicular magnetic recording; Soft magnetic materials; Sputtering;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2003.815452
