Write performance of heads with a 2.1-tesla conife pole

Keishi Ohashi, Noboru Morita, Tadaaki Tsuda, Yoshihiro Nonaka

研究成果: Article

30 引用 (Scopus)


We examined the write performance of heads with a CoNiFe /NiFe composite write pole. The saturation induction Bs of the CoNiFe film was 2.1 T (21 kG). The CoNiFe layer thickness was typically 0.5-0.6 μm; and the rest of the write pole was composed of Ni80Fe20. The dual high Bs layer structure with the CoNiFe films on both sides of the write gap gave excellent overwrite performance. It was over 30 dB for a medium that had a high coercivity of 560 kA/m (7.0 kOe).

ジャーナルIEEE Transactions on Magnetics
発行部数5 PART 1
出版物ステータスPublished - 1999 12 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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