Eddy currents in micromagnetic calculations

Author

Torre, Edward Della ; Eicke, Jason G.

Author_Institution

Inst. for Magnetics Res., George Washington Univ., Washington, DC, USA

Volume

33

Issue

2

fYear

1997

fDate

3/1/1997 12:00:00 AM

Firstpage

1251

Lastpage

1254

Abstract

The design of high-speed recording heads requires one to consider the effect of eddy currents on performance. Experiments have shown that even for very thin laminations, there is an appreciable eddy current effect for high recording frequencies. A technique is suggested for including these effects in a micromagnetic calculation. This technique has been implemented in a finite difference calculation and some results are presented. The structure of the computational algorithm is considerably different from conventional eddy current calculations

Keywords

eddy currents; finite difference methods; laminations; magnetic heads; magnetic recording; computational algorithm; eddy current calculations; eddy current effect; experiments; finite difference calculation; high recording frequencies; high-speed recording heads; micromagnetic calculations; very thin laminations; Eddy currents; Finite difference methods; Magnetic domain walls; Magnetic domains; Magnetic heads; Magnetic materials; Magnetic recording; Magnetic separation; Magnetization; Micromagnetics;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.582481

Filename

582481