Detection of surface and subsurface flaws with miniature gmr-based gradiometer

HIGHLIGHTS

  • who: Huu-Thang Nguyen and colleagues from the Department of Mechanical Engineering, National Kaohsiung University of Science and Technology have published the research: Detection of Surface and Subsurface Flaws with Miniature GMR-Based Gradiometer, in the Journal: Sensors 2022, 22, 3097. of /2022/
  • what: The authors propose a novel design of a miniature eddy-current probe using a giant magnetoresistance (GMR) sensor fabricated on a silicon chip. In the present work, a novel half-bridge gradiometer with two cascaded active spin-valve elements on a chip is proposed. For the novel probe design in the . . .

     

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