Preparation of double layered perpendicular recording media with extremely high resolution

J. Ariake, T. Kiya, N. Honda, K. Ouchi, M. Adamik, Z. Czigany, G. Safran, G. Radnoczi

Research output: Conference article

7 Citations (Scopus)

Abstract

In a double layered perpendicular magnetic recording medium, recording resolution and time decay of output signal have been studied. Introduction of a Stacked intermediate layer (NiFeNb/Ti) between a soft magnetic back layer and a storage layer improves magnetic property of the storage layer. The stacked intermediate layer can reduce the initial growth layer of the storage layer by hetero-epitaxial growth. Time decay of output signal for a medium with the stacked intermediate layer was suppressed within -0.4 dB at 1000 seconds after recording at 100 kFRPI. A reproduced signal at an extremely high linear density of 950 kFRPI has been confirmed by a CF-SPT head for writing and a GMR head with track width of 0.4 micrometer for reading.

Original languageEnglish
Pages (from-to)1573-1576
Number of pages4
JournalIEEE Transactions on Magnetics
Volume37
Issue number4 I
DOIs
Publication statusPublished - júl. 1 2001
Event8th Joint Magnetism and Magnetic Materials -International Magnetic Conference- (MMM-Intermag) - San Antonio, TX, United States
Duration: jan. 7 2001jan. 11 2001

ASJC Scopus subject areas

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

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