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Ferromagnetic powder for dust core

  • US 7,498,080 B2
  • Filed: 04/03/2006
  • Issued: 03/03/2009
  • Est. Priority Date: 06/10/2005
  • Status: Expired due to Fees
First Claim
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1. A ferromagnetic powder for a magnetic core component comprising a plurality of particles, each of the particles including a central core and a shell coated on the central core, the central core being made of magnetic material and configured for providing magnetic property for the magnetic core component, the shell having a higher electrical resistance than the central core and being configured for reducing an eddy current loss of the magnetic core component and for providing a bonding strength between the plurality of particles of the powder, a material for the shell being one of piezoelectric material and ferroelectric material.

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