マイクロマグネティクスの磁気記録への応用I 磁気記録·再生シミュレータの概要

摘要

Micromagnetics simulators have been utilized in the numerous fields of magnetic recording as an effective tool not only for understanding complicated magnetic recording phenomena, but also for designing writers, recording media and readers. Many researchers and engineers engaged in magnetic recording need to have their own micromagnetic simulators and to run these easily to solve the problems they encounter. Hayashi et al., previously described micromagnetics in detail from the fundamental side. The aim of the present lecture is to stimulate interest and to provide concrete ways of implementing micromagnetic simulators for magnetic recording. The lecture comprises of five parts: outline of micromagnetic simulator, advanced magnetic recording medium models, recording head models, GMR head models, and their applications to future technologies. In the first part we outline micromagnetic simulators, focusing on ways of programming them for multilayered media.