Electric components including coils and methods to fabricate the same by 3d printing

A coil having a small aspect ratio between its length along its magnetic axis and its width traverse to its magnetic axis;

• the coil comprising:
• a body having a bulk 3D printed with non-magnetic electrically insulating material;
• a magnetic channel 3D printed in said body with magnetic material, wherein the magnetic channel comprises:
• at least a pair of flux collectors having respective flux collection facets perpendicular to said magnetic axis of the coil, and a magnetic core of the coil connected between the at least two flux collectors;
• and
• a conductive channel 3D printed in said body with electrically conductive material, wherein the conductive channel comprises an arrangement of conductive windings with a plurality of turns surrounding the magnetic core;
• wherein the magnetic channel is 3D printed with curved path such that one or more sections of the magnetic core extend along a transverse direction with respect to the magnetic axis of the coil and wherein the conductive channel is 3D printed such that said turns of the conductive windings surround one or more of said sections of the magnetic core.

An electronic component comprising at least one coil;

• the electronic component comprising:
• a magnetic channel comprising a magnetic core of the at least one coil, 3D printed with magnetic material;
• and
• a conductive channel 3D printed with electrically conductive material, wherein the conductive channel comprises an arrangement of conductive windings with a plurality of turns surrounding the magnetic core;
• electrical insulation 3D printed with non-magnetic electrically insulating material between the turns;
• wherein 3D printed functional structures of the coil, including said turns and the electrical insulation between them, are each printed with minimal in-layer feature size of at least two voxels of the 3D printing.