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MAGNETIC SENSOR DEVICE

  • US 20190056461A1
  • Filed: 03/14/2017
  • Published: 02/21/2019
  • Est. Priority Date: 03/30/2016
  • Status: Active Grant
First Claim
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1. A magnetic sensor device comprising:

  • a magnet;

    a magnetic-resistance-effect-element mounted substrate including a magnetic-resistance-effect-element mounted body mounted on a surface thereof opposite to a surface thereof facing the magnet, the magnetic-resistance-effect-element mounted body formed along a longitudinal direction of the magnet;

    a case that accommodates or retains the magnet and the magnetic-resistance-effect-element mounted substrate; and

    a magnetic shield to cover the case except for the surface of the magnetic-resistance-effect-element mounted substrate on which the magnetic-resistance-effect-element mounted body is mounted, whereinthe magnetic shield comprises;

    a bottom that faces a surface of the case, the surface being disposed so as to oppose the magnetic-resistance-effect-element mounted substrate across the magnet, andside walls standing from the bottom toward a side adjacent to the magnetic-resistance-effect-element mounted substrate, the side walls being spaced from each other in a transverse direction intersecting the longitudinal direction, the side walls extending in the longitudinal direction of the magnet, andthe side walls have ends on the side adjacent to the magnetic-resistance-effect-element mounted substrate, the ends being located between a position of a surface where the magnetic-resistance-effect-element mounted substrate opposes the magnet and a position of a surface where the magnetic-resistance-effect-element mounted body is mounted on the magnetic-resistance-effect-element mounted substrate.

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