Skyworks Solutions, Inc.

Allumax Tti, LLC

Kelvin Mitchell Anderson

Michael David Hill

David Bowie Cruickshank

David Michael Hill

Embodiments disclosed herein relate to using cobalt (Co) to fine tune the magnetic properties, such as permeability and magnetic loss, of nickel-zinc ferrites to improve the material performance in electronic applications. The method comprises replacing nickel (Ni) with sufficient Cosuch that the relaxation peak associated with the Cosubstitution and the relaxation peak associated with the nickel to zinc (Ni/Zn) ratio are into near coincidence. When the relaxation peaks overlap, the material permeability can be substantially maximized and magnetic loss substantially minimized. The resulting materials are useful and provide superior performance particularly for devices operating at the 13.56 MHz ISM band.

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Adamstown, MD, United States of America

Kelvin Mitchell Anderson