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High frequency transformers and high Q factor inductors formed using epoxy-based magnetic polymer materials

United States Patent

March 29, 2005
View the Complete Patent at the US Patent & Trademark Office
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An electrical component in the form of an inductor or transformer is disclosed which includes one or more coils and a magnetic polymer material located near the coils or supporting the coils to provide an electromagnetic interaction therewith. The magnetic polymer material is preferably a cured magnetic epoxy which includes a mercaptan derivative having a ferromagnetic atom chemically bonded therein. The ferromagnetic atom can be either a transition metal or rare-earth atom.
Sanchez; Robert O. (Los Lunas, NM), Gunewardena; Shelton (Walnut, CA), Masi; James V. (Cape Elizabeth, ME)
10/ 395,993
March 24, 2003
GOVERNMENT RIGHTS This invention was made with Government support under Contract No. DEACO4-94AL85000 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.