Modeling of single pole write head and double-layered medium for 3-D eddy current analysis

Issue title: Proceedings of the tenth International Symposium on Applied Electromagnetics and Mechanics ISEM-Tokyo

Article type: Research Article

Authors: Kanai, Yasushi^{a; *} | Matsubara, Ryo^a | Muraoka, Hiroaki^b | Nakamura, Yoshihisa^b

Affiliations: [a] Department of Information and Electronics Engineering, Faculty of Engineering, Niigata Institute of Technology, 1719 Fujihashi, Kashiwazaki 945-1195, Japan | [b] Research Institute of Electrical Communication, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai 980-8577, Japan

Correspondence: [*] Corresponding author: Yasushi Kanai, Tel.: +81 257 22 8127; Fax: +81 257 22 8122; E-mail: [email protected]

Abstract: Finite-element modeling of single pole (SPT) write head with double-layered medium for perpendicular magnetic recording is investigated. In carrying out 3-D eddy current transient finite-element analysis, reducing the medium area is one key factor for computation time reduction while maintaining sufficient solution accuracy. It is also investigated the number of layer divisions for thin metallic under-layer. The results validate the modeling of SPT head with double-layered medium.

Keywords: perpendicular magnetic recording, write heads, high frequency recording, finite element methods, model validation

DOI: 10.3233/JAE-2002-353

Journal: International Journal of Applied Electromagnetics and Mechanics, vol. 14, no. 1-4, pp. 35-42, 2002