Meandering Coplanar Line Type Thin-Film Magnetic Field Sensor with Direct Bias

Shin Yabukami, Hiroaki Uetake, Kenta Moriya, Tsuyoshi Tominami, Hidehiko Onodera

Research output: Contribution to journalArticlepeer-review


We propose a new simple method to directly apply dc current to the CoNbZr/Cu film of a sensor. A very sensitive thin- film sensor was developed using a meandering coplanar line with biasing conductors fabricated from SrTiO film (0.75 μm thick), amorphous Co85Nb12Zr3 film (1.0 mm × 2.45 mm, 1 μm thick) and Cu/Cr film (2 μm/0.1 μm). We discuss direct bias to CoNbZr film and Cu film under a CoNbZr film and compare it with an application of bias magnetic field. Good sensitivity (phase change over 100 degrees/Oe) was obtained by the proposed method.

Original languageEnglish
Pages (from-to)73-79
Number of pages7
JournalElectronics and Communications in Japan
Issue number3
Publication statusPublished - 2018 Mar
Externally publishedYes


  • bias
  • meandering coplanar line

ASJC Scopus subject areas

  • Signal Processing
  • Physics and Astronomy(all)
  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Applied Mathematics


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