Write heads with pole tip consisting of high Bs FeCoAlO films

Author

Ikeda, Shoji ; Tagawa, Ikuya ; Uehara, Yuji ; Kubomiya, T. ; Kane, John ; Kakehi, M. ; Chikazawa, A.

Author_Institution

Fujitsu Labs. Ltd., Atsugi, Japan

fYear

2002

Abstract

Summary form only given. With a rapid increase in the recording density in recent years, the pole tip materials of write heads are required to enhance magnetic induction Bs so as to write bits on high coercivity media. We have developed the soft magnetic FeCoAlO films with Bs = 2.2 T as write head materials. In this work, we present the film properties (such as magnetic properties, microstructure and corrosion resistance) and the properties of write heads with the pole tip consisting of the FeCoAlO films.

Keywords

cobalt alloys; coercive force; corrosion resistance; electromagnetic induction; iron alloys; magnetic heads; magnetic thin film devices; soft magnetic materials; 2.2 T; FeCoAlO; corrosion resistance; head materials; high coercivity media; magnetic induction; pole tip; pole tip materials; recording density; soft magnetic films; write heads; Magnetic anisotropy; Magnetic films; Magnetic flux; Magnetic heads; Magnetic materials; Magnetic properties; Perpendicular magnetic anisotropy; Perpendicular magnetic recording; Saturation magnetization; Soft magnetic materials;

fLanguage

English

Publisher

ieee

Conference_Titel

Magnetics Conference, 2002. INTERMAG Europe 2002. Digest of Technical Papers. 2002 IEEE International

Conference_Location

Amsterdam, The Netherlands

Print_ISBN

0-7803-7365-0

Type

conf

DOI

10.1109/INTMAG.2002.1000667

Filename

1000667