Patent ID: 7148782

Claim:
An energizable magnetic core for an electromagnetic device comprising, a. a back yoke comprised of an energizable magnetic material and having a back yoke inner face, the back yoke forming a loop such that the back yoke is arranged to provide a magnetic circuit; b. a plurality of legs extending from the inner face of the back yoke in a direction substantially perpendicular to the inner face, each of the plurality of legs being comprised of an energizable magnetic material and having a first end adjacent to the back yoke and a second end extending away from the back yoke; and c. a cover yoke adjacent to the second end of each of the plurality of legs, the cover yoke being comprised of an energizable magnetic material and having a cover yoke inner face, and the cover yoke forming a loop such that the cover loop is arranged to provide a magnetic circuit, wherein the back yoke and cover yoke are disposed with their respective inner faces in axially facing relationship and the energizable magnetic materials of the back yoke, the plurality of legs, and the cover yoke consist essentially of advanced, low loss materials.