Inductor

Abstract

An inductor including: a core having a winding core portion for winding a winding wire and two flange portions disposed on both ends of the winding core portion; and a winding wire wound around the winding core portion for multiple layers, the winding wire including: a forward winding layer having multiple turns on the winding core portion along a forward direction from one of the two flange portions toward the other flange portion; a backward winding layer following the forward winding layer and having at least one turn on the forward winding layer along a backward direction opposite to the forward direction; and a return winding portion following the backward winding layer and passing over the backward winding layer in the forward direction to reach the winding core portion on the forward direction side of the forward winding layer within less than 1/2 turn.

Dependencies are inferred from the claim text.