Transient Analysis of Write Head for Hard Disk Drives -Comparison Analysis and Electron Beam Tomography Measurement-

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Kimio Nakamura, Hitachi, Ltd.

Abstract

Transient behavior of magnetic field from a recording head was investigated by the JMAG-Works. Calculated results were compared to the measurement. Magnetic field waveforms were measured by the electron beam tomography. JMAG results were in good agreement with the measurement result.
Key words: magnetic recording, write head, time response analysis, electron beam tomography

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