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Integrated capacitor and inductor having co-located magnetic and electrical energy storage volumes

  • US 9,424,984 B2
  • Filed: 03/05/2014
  • Issued: 08/23/2016
  • Est. Priority Date: 03/05/2014
  • Status: Active Grant
First Claim
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1. A combined inductor and capacitor comprising:

  • an inductor providing a conductor extending between a first and second terminal point through multiple loops defining a surrounded volume;

    a capacitor positioned within the surrounded volume and providing a capacitor structure including opposed conductive plates attached, respectively, to a third and fourth terminal and an insulator separating the opposed conductive plates;

    a high magnetic permeability material distributed within the capacitor structure comprised of at least one of a ferromagnetic and ferrimagnetic material;

    wherein the first and second terminals are electrically separate from the third and fourth terminals;

    wherein the conductive plates and insulator are together wound in a spiral; and

    wherein the high magnetic permeability material operates to increase an inductance of the inductor by a factor of no less than 2 when compared to the inductance of the inductor without the high magnetic permeability material.

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