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Method and apparatus of using soft non-ferritic magnetic material in a nuclear magnetic resonance probe

  • US 6,452,388 B1
  • Filed: 06/28/2000
  • Issued: 09/17/2002
  • Est. Priority Date: 06/28/2000
  • Status: Expired due to Term
First Claim
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1. A nuclear magnetic resonance sensing apparatus, comprising:

  • a magnet for inducing a static magnetic field in materials to be analyzed; and

    an antenna assembly for inducing a radio frequency magnetic field within said materials and for detecting nuclear magnetic resonance signals from said materials, the antenna assembly comprising a coil and at least one magnetic core formed from a non-ferritic powdered soft magnetic material having high saturation flux density and a non-conductive bonding agent, said magnetic core having a magnetic permeability μ

    m less than 500 and wherein said saturation flux density is greater than about 0.4 T.

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