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MAGNETIC FIELD PROBE AND PROBE HEAD THEREOF

  • US 20140253112A1
  • Filed: 03/06/2014
  • Published: 09/11/2014
  • Est. Priority Date: 03/06/2013
  • Status: Active Grant
First Claim
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1. A probe head comprising:

  • an inner metal layer configured for receiving a magnetic field to be measured;

    a shielding unit configured for shielding the inner metal layer, the shielding unit comprising;

    a first shielding metal layer stacked above the inner metal layer; and

    a second shielding metal layer stacked below the inner metal layer; and

    a filtering unit configured for filtering out an electric field interfering with the inner metal layer, the filtering unit comprising;

    a first filtering metal layer stacked between the first shielding metal layer and the inner metal layer; and

    a second filtering metal layer stacked between the second shielding metal layer and the inner metal layer.

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