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Power management module and method of manufacture

  • US 8,350,657 B2
  • Filed: 01/04/2007
  • Issued: 01/08/2013
  • Est. Priority Date: 06/30/2005
  • Status: Active Grant
First Claim
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1. A power management module, comprising:

  • an inductor including one or more electrical conductors disposed around a ferromagnetic ceramic element formed on a substrate and including one or more metal oxides having fluctuations in metal-oxide compositional uniformity less than or equal to 1.50 mol % throughout said ceramic element, wherein the ceramic element has a crystal grain structure with substantially all grains having a diameter that is less than or equal to 1.5×

    a mean grain diameter.

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