Integration of High-Frequency Carrier-Type Thin-Film Magnetic Field Sensor with SmCo Thin-Film Bias Magnet

M. Takezawa, Y. H. Kim, K. Ishiyama, M. Baba, N. Ajiro, M. Yamaguchi, K. I. Arai

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

A bridge-connected high-frequency carrier-type thin-film magnetic field sensor is fabricated on a SmCo magnetic thin-film which provides an in-plane dc bias magnetic field to the sensor. The dc bias field of 320 A/m was achieved by using a 3 imi thick SmCo underlayer. The sensitivity obtained was 8. 4 mV/Oe which was 12 times as large as the sensitivity without the SmCo thin-film magnet.

Original languageEnglish
Pages (from-to)3682-3684
Number of pages3
JournalIEEE Transactions on Magnetics
Volume35
Issue number5 PART 2
DOIs
Publication statusPublished - 1999

Keywords

  • Gmi sensor
  • Highfrequency carrier-type thin-film magnetic field sensor
  • Non-uniform bridge-connected sensor
  • Smco thin-film magnet

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