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Transformer assembly for a magnetic resonance imaging system

  • US 8,674,799 B2
  • Filed: 06/10/2010
  • Issued: 03/18/2014
  • Est. Priority Date: 06/10/2010
  • Status: Active Grant
First Claim
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1. A transformer assembly for a magnetic resonance imaging (MRI) system, said transformer assembly comprising:

  • a substrate having a first surface and an opposing second surface;

    a first and a second spiral wound inductive coils formed on the first surface and forming a first double spiral arrangement such that the first coil is inductively coupled to the second coil;

    a third and a fourth-spiral wound inductive coils formed on the second surface and forming a second double spiral arrangement such that the third coil is inductively coupled to the fourth coil;

    a plurality of openings extending through the first, the second, the third, and the fourth coils; and

    a pair of pins being inserted into select ones of the plurality of openings through the first, the second, the third, and the fourth coils to adjust a mutual inductance of the transformer assembly in the MRI system.

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