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In this article a new method to characterize magnetic components is presented. This method is based on the φ(i) loop measurement for any running conditions. This method is suitable for planar magnetic components and does not need any modification of the component.
Two designs of integrated magnetic planar transformer called Face to Face transformer are studied: The first one consists in depositing the copper windings on the magnetic material, the second consists in micromachining the magnetic layer before depositing the conductive layer in order to bury copper windings inside the magnetic material.