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Improvement of pulse diagnostic apparatus with array sensor of magnetic tunneling junctions

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9 Author(s)
Kim, S.W. ; Oriental Medicine Institute, Sangji University, Wonju Kangwon-do, Korea ; Hwang, D.G. ; Choi, Y.K. ; Lee, H.S.
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To obtain the spatial feature of arterial pulse, a spatial pulse diagnostic apparatus was designed using a two-dimensional magnetoresistive sensor array. The magnetic-field distribution for the magnet array was simulated using the finite-element method. The field distribution of parallel magnet arrays was observed to be more sensitive and uniform than that of the perpendicular ones. Moreover, the spatial displacements of the magnet array coincided with the output signal of the magnetic tunneling junction sensor array.

Published in:

Journal of Applied Physics  (Volume:99 ,  Issue: 8 )