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Manufacture and use of planar embedded magnetics as discrete components and in integrated connectors

  • US 20100295646A1
  • Filed: 12/01/2009
  • Published: 11/25/2010
  • Est. Priority Date: 01/11/2007
  • Status: Active Grant
First Claim
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1. A integrated planar transformer and electronic component, comprising:

  • a. at least one wideband planar transformer disposed in a planar substrate, wherein each said wideband planar transformer comprises;

    i. a planar substrate, wherein said planar substrate is in a fully-cured and rigid state;

    ii. a ferrite material, wherein said ferrite material is embedded in said fully-cured and rigid planar substrate, wherein said embedding comprises said ferrite material enveloped in an elastic and non-conductive material;

    iii. inter-wound conductors disposed around said embedded ferrite material, wherein said inter-wound conductors comprise top conductors bonded by a first bonding layer to a top surface of said fully-cured and rigid substrate and bottom conductors bonded by a second bonding layer to a bottom surface of said fully-cured and rigid substrate, wherein said bonding layers comprise an insulating adhesive, wherein said top and bottom conductors are connected in an inter-connected pattern by conductive vias disposed on each side of said ferrite material, wherein said conductive vias span through said bonding layers and through said fully-cured and rigid planar substrate forming said inter-wound conductors;

    iv. at least one center tap connected to at least one said inter-wound conductor; and

    b. at least one electronic component, wherein said electronic component is connected to at least one terminal of said wide-band planar transformer.

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