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Multi-Layer Inductive Element for Integrated Circuit

  • US 20080252407A1
  • Filed: 10/04/2006
  • Published: 10/16/2008
  • Est. Priority Date: 10/05/2005
  • Status: Abandoned Application
First Claim
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1. An inductive element comprising:

  • a substrate;

    a first layer on the substrate having a thickness greater than one micrometer and arranged as a first set of adjacent non-intersecting conducting segments;

    a ferromagnetic-based located on the first layer and having a ferromagnetic inner core area;

    at least one other on the ferromagnetic-based body and arranged as a second set of adjacent non-intersecting conducting segments;

    and a plurality of conductive vias in the ferromagnetic-based body arranged to connect respective ones of the first set of adjacent non-intersecting conducting segments to respective ones of the second set of adjacent non-intersecting conducting segments, therein providing a contiguous conductive wrap around the inner core area for use in power conversion.

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