Modeling and simulation of inductive structures for non-invasive medical uses

This paper presents results obtained by simulating the electromagnetic field generated by an inductive planar structure with different parameters using FR4 substrate. The characterization/simulations of these passive devices were conducted using finite element software named Ansys HFSS. The key modeling considerations taken into account are: ground return path, skin depth, and dielectric stack-up simplification and via field simplification. The results were used to assess the possible usefulness of such structure for medical applications that use pulsed electromagnetic field therapy.