Microwave-Assisted Shingled Magnetic Recording

Simon John Greaves, Yasushi Kanai, Hiroaki Muraoka

研究成果: Article査読

抄録

Simulations of shingled, microwave-assisted magnetic recording were carried out. First, a simplified model of the head field near the corner of the main pole of a write head was used to understand the effect of the spin torque oscillator (STO) position relative to the head. Next, shingled tracks were written and evaluated for two different write head and STO geometries. For shingled recording, locating a rotated STO on the side of the main pole may provide some advantages in that medium grains experience the high-frequency (HF) field for a longer time and the chirality of the HF field does not change as the grains pass by the STO. Recording simulations show that the rotated STO writes smoother track edges at lower densities, but there is little difference in signal-to-noise ratio at high linear densities.

本文言語English
論文番号7110363
ジャーナルIEEE Transactions on Magnetics
51
11
DOI
出版ステータスPublished - 2015 11 1

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学

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