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Numerical advanced characterization of magnetic recording media

V. IONITA1,* , L. PETRESCU1

Affiliation

  1. MAGNAT Research Centre, Univ.“Politehnica” of Bucharest, Spl. Independentei-313, Bucharest, 060042, Romania

Abstract

The paper presents some considerations about the classical Preisach model accuracy for floppy disk and bank card materials. The numerical Preisach function is identified on a uniform Preisach triangle mesh, using 40 experimental first order reversal curves (FORC) which are obtained by a vibrating sample magnetometer. The tests include the major cycle, minor cycles of first order and an open path including reversal curves of first, second and third order..

Keywords

Magnetic recording media, Hysteresis curves, Preisach model.

Submitted at: March 15, 2006
Accepted at: May 18, 2006

Citation

V. IONITA, L. PETRESCU, Numerical advanced characterization of magnetic recording media, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 3, pp. 998-1000 (2006)