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Overview of magneto-resistive probe heads for nanoscale magnetic recording applications

Authors
Journal
Journal of Magnetism and Magnetic Materials
0304-8853
Publisher
Elsevier
Publication Date
Volume
264
Identifiers
DOI: 10.1016/s0304-8853(03)00107-0
Keywords
  • Magnetic Recording
  • Magnetoresistive Probe Heads
  • Terabit Per Square Inch Data Storage
Disciplines
  • Design

Abstract

Abstract This work investigates various types of reader designs as applied to magnetic recording. Reciprocity principle is used to study playback response. It is shown that both shielded and not shielded differential readers exhibit magnetic playback properties advantageous for achieving extremely high areal bit densities. Modified design of differential readers with one MR sensor is proposed to overcome the manufacturability issues associated with a conventional double-MR sensor differential reader.

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